B.E polymer syllabus stucture

UNIVERSITY OF PUNE

Structure of BE (Polymer) 2003 Course

Sub. No.

Subject Teaching Scheme(Hrs / Week)

Examination Scheme(Marks)

Lec Pr. Drg. Paper TW Pr. Or TotalSemester – I

409361 Polymer Structure & Property Relationship

4 2 - 100 25 50 - 175

409362 Polymer Processing Operations - I

4 2 - 100 25 - 50 175

409363 Polymer Composites & Blends

4 2 - 100 25 - - 125

409364 Mould & Die Design 4 - 4 100 25 - 50 175

409365 Project - 2 - - - - - -

409366 Elective *a. Polymer Reaction Engineering b. Rubber Technologyc. Surface Coating and Adhesived. Advanced Polymer Rheology

4 - - 100 - - - 100

Total 20 8 4 500 100 50 100 750

Semester – II

409367 Elective *a. Specialty Polymersb. Fiber Technology c. Mechanics of Compositesd. Packaging Technology

4 - - 100 - - - 100

409368 Product Design & Computer Applications

4 2 2 100 25 - 25 150

409369 Polymer Processing Operations - II

4 2 - 100 25 - 50 175

409370 Industrial Management & Process Economics

4 - - 100 - - - 100

409371 Polymer Testing 1 2 - - 25 50 - 75

409365 Project Work - 4 - - 100 - 50 150

Total 17 10 2 400 175 50 125 750

Total of Semester I&II 61 Hrs. 900 275 100 225 1500

Th : Theory TW : Term Work Pr : Practical Or : Oral

/tt/file_convert/5526f562497959f60f8b4684/document.doc

409361 : POLYMER STRUCTURE & PROPERTY RELATIONSHIP

Teaching Scheme : Examination Scheme :Lectures : 4 hrs./week Paper : 100 Marks/3 hrs.Practicals : 2 hrs./Week T.W. : 25 Marks

Oral : 50 MarksTotal : 175 Marks

Objective The course tries to rationalize vast body of information available about structure , properties and application of different polymers. The end properties are studied as a function of type of atoms, polymer structure, molecular weight and molecular weight distribution, molecular orientation, crystallinity, types of secondary forces among the chain and molecular flexibility.

Section IUnit I (8)Effect of following factors on various properties such as mechanical, thermal, electrical, barrier etc.Chemical compositionIntermolecular forcesMolecular flexibility Influence of above factors on super molecular structure

Unit II (8)Effect of chemical groups on Adhesion. Types of bonds and their strength, effect of crystallinity and amorphous nature on structure and properties.Thermoplastic structure effect on various properties like mechanical, chemical, thermal, weathering, etc. Unit III (8)Effect of various additives on polymer properties.Requirement of molecular wt. and its distribution for various processing techniques and its effect on various properties like mechanical, chemical, electrical etc.Study of electrical properties like resistivity and dielectric property & factors affecting them.

Section IIUnit IV (8)Molecular flexibility and freedom of rotation of bonds. Effect on properties like flexibility & thus Tg.Intermolecular order, 1st & 2nd order transition, super cooled state, fringed micelle theory, spherulite growth & effect of its growth on properties.

Unit V (8)Thermodynamic & kinetic forces affecting crystallinity. Effect of crystallization on various properties like processing, mechanical, thermal, electrical, optical, chemical etc. Orientation & relation between crystallization & orientation. Effect of orientation on various properties.

Unit VI (8)Intermolecular bonding like London Dispersion forces (LDF), induced and permanent dipoles. Effect of these bonding on structure & thus various properties like melting, solubility, etc.H-bonding, effect of polarity, bonding on polymer properties.Polymer Macrostructure and its effect. Time-Temperature superposition & WLF equation.


List of experiments:

1] To study DSC, its working and applications along with interpretation of few spectras for various polymer systems.

2] To study TGA, its working and applications along with interpretation of few case studies from thermo gram of polymer.

3] To study FTIR spectroscopy working & application and to understand the identification chart to identify polymer from the spectra obtained. Also to study various other parameters of polymer system, like blends, co-polymers, additives, etc.

4] To study working of GPC to find M.W., M.W.D. polydisperity, etc.

5] To study X-ray diffraction, its working and application along with interpretation of the d-spacing from the spectra obtained & thus have morphology understood.

6] To find out the swelling of rubber in various solvents and thus find out its degree of crosslinking, etc.

7] To find out the permeability of LDPE film towards various solvents; & study the importance of barrier properties & factors affecting them.

8] To study & find out the % of vinyl acetate in EVA.

9] To study preparation, working importance, and application of thin layer chromatography (TLC).

10] To study the relationship between MFI & VA content in EVA.

11] To study the importance of scanning electron microscope for studying the morphology of polymer system.

12] To develop & study the growth of sphurelits.

From the above, any 10 experiment to be performed.

Reference Books :

1. Polymer Structure, Properties and Applications - R.D. Deanin.2. Introduction to Polymer Crystallization - Allan Sharples, St. Martin’s Press, N.Y.,

1966.3. Macromolecular Physics - Berhard Wunderlich , Academic Press, N.Y.4. Properties and Structure of Polymers - A.V. Tobolsky, John Wiley & Sons, New

York, 1960.5. Structure and Properties of Polymers - H.V. Boenig, J.Wiley & Sons, N.Y., 1973.


409362 : POLYMER PROCESSING OPERATIONS - I



Objective : The subject prepares the student for understanding of various polymer processing operations from rheological and processing equipment point of view. The subject deals with basic processes like extrusion, blow moulding, thermoforming, compression moulding, transfer moulding and various injection moulding processes.

Section IUnit I (8)Extrusion – Fundamentals of the extrusion process, basic operation, Solids conveying, Drag induced conveying melting mechanism, Power consumption in metering zone. Extruder design, screw design construction and operation. Extrusion dies for specific products lines. Controlling the extrusion process. Heat-transfer and Heat-content considerations. Downstream equipment and Auxiliary units for extrusion lines. Extrusion process and plants for profiles, pipes, blown film (monoloyer and multiplayer), monofilaments, strapping, cast film, sheet, cable, coating and laminating. Equipment for sizing, cooling, take off, cutting, winding, orientation, processing parameters, and their effect on product quality, Measurement and control, Trouble shooting. Unit II (8)Blow Moulding – Fundamentals of the process, Complete blow moulding operations. Extrusion blow moulding, Injection blow moulding, Stretch blow moulding. Blow moulding machines, start-up and shut-down procedures, Process control, Blow moulding plants. Parisan wall thickness control, Parisan swell, Parisan inflation, Cutting devices, Process parameters and their effect on product quality control, Moulding defects - causes and remedy. Unit III (8)Thermoforming – Basic process Thermoforming machines and plants, thermoforming materials, Analysis of sheet heating, Stretching and wall thickness distribution. Simple vacuum forming, drape forming, air-slip forming, Pressure forming, Drape forming, blister forming, Solid-phase pressure forming, Plug-assist forming. Process factors in thermoforming. Overtation and heat reversion, Defects in thermoformed articles and remedies. Equipment details. Section II

Unit IV (8)Specialized injection moulding processes - Gas assist injection moulding, Two colour pattern making injection moulding, Two colour two component injection moulding machine and process, injection moulding of Thermosets, injection moulding of DMC, Reaction injection moulding. Unit V (8)Compression moulding - Basic principle and moulding cycle, Moulding materials, effect of bulk factor, Flow properties, Cure time, temperature and pressure on moulding cycle; effect of preheating and performing. Defects & remedy in presses for moulding; specifications; controls calculations of number of cavities based on rate of production. Basic principles of mould design; cavity, punch; methods of ejection, Heating of moulds. Types of compression moulds. Moulding of thermoplastics, Thermosets, Dough moulding compounding, SMC. Analysis of compression moulding; flow rate , compaction force for moulding.Unit VI (8)Transfer moulding - Basic principle and moulding cycle. Advantages & limitation of the process.Types - integral pot and auxiliary ram transfer. Process parameters and their effect on product quality. Moulding defects, causes & remedies; Transfer moulding of Thermosets, Transfer moulding of DMC.


Types of transfer presses, specifications. Clamping tonnage calculations, moulding defects and applications, design of transfer moulds.Transfer moulding, materials, flow properties. Auxiliary plant equipments like, performing machines Safety devices.

List of experiments:

1. Study and working of compression molding of PF

2. Preparation of DMC on sigma mixer & its compression molding

3. Study of Transfer moulding technique.

4. Vacuum and plug assisted thermoforming of HIPS.

5. Study of various techniques of blow molding.

6. Study of blow molding of PET.

7. To study loss in properties after regrinding.

8. Study and working of blown film plant.

9. By varying haul – off speed, temperature, blow ratio, screw speed, cooling etc and

observing the effect on film properties.

10. Study of Gas-Assisted injection molding.

11. Study of various parts of single screw extruder like screw geometry , dies, etc.Any ten from above topics

Reference Books :

1. Thermosetting plastics Practical Moulding Technology – J.F. MonkGeorge Godwin Ltd,

2. Blow moulding Handbook – Rosato 3. Thermoforming Handbook - Thorne - Plastics Engineering Handbook - J. Frados.

Van Nostrand.4. Fundamentals of Polymer Processing - Stanley - Middleman5. Plastics extrusion Technology - Ed. Hensen. Hanser Publications.6. Thermoforming - J.L. Throne.7. Plastics Engineering - J. Crawford. Pergamon Pres Oxford.8. Polymer Extrusion - Chris Rauwendaul. Hanser publication Munich 1987.9. Polymer Processing - Mckelvy J. Wiley New York.


409363 : POLYMER COMPOSITES & BLENDS


Total : 125 Marks

Objective Polymer composites offer an unique flexibility to the designer. They combine oriented fibers with polymer matrices, thus providing extra strength in the direction of fiber. These light weight super strong material are also corrosion resistant. It is, therefore, not surprising that they find wide spread applications in automotive, aviation, construction and marine industry. This elementary course initiates the students in manufacture, testing and application of composite materials. In section I polymer blends are discussed. Polymer blends and alloys is cost effective methods of altering properties of existing polymers. Thus enhancing application envelop of polymeric material. They are also considered as molecular composites.

Section – I

Unit I (8)Introduction, classification, advantages of blends over conventional polymers, significance of polymer blends, different steps involved in designing of a blend Different methods of blending.

Unit II (8)Thermodynamics of polymer blends. Role of comptiblisers in blend technology. Techniques of comptiblisation. Significance of blend morphology.

Unit III (8)Different types of commercial blends involving engineering, commodity & elastomer and specialty polymer, and their applications. I.P.N. technology and it’s application Rheology of blends.

Section II

Unit IV (8)Definitions and fundamentals of polymer composites. Short fiber, long fiber, particulate and nano composites. Different types of reinforcement & matrices used in composites glass fiber, carbon fiber, aromatic polyamide fibers, HWWHDPE fibers, natural fibers. Use of adhesion promoters. Relevant thermoplastic & thermo set matrices. Role of mould release agent.

Unit V (8)Methods of manufacturing fiber reinforced composites such as hand lay up, spray lay up, pultrusion, resin transfer, filament winding vacuum bagging, prepreg moulding. Tooling used in composites. Effect of process parameters on end properties.

Unit VI (8)Applications of FRP, trouble shooting and repair of composites. Sandwich structures and cellular structure. Nano composites. Various kinds of nanofillers used in thermoplastic and thermoset matrices. Properties and applications of nano composites.


List of Experiments: (Any 10)

1. Study of different types of reinforcements.2. Study of different types of polymer (thermoplastic and thermo set) matrices, used

in composite.3. Study of formulations for epoxy, unsaturated polyester, vinyl ester resins and

accessories use for the manufacture of FRP laminates.4. Study of different techniques for blend preparation and criteria for selecting blend

components.5. Preparation of thermoplastic polymer blend via melt blending.6. Preparation of polymer blend via solution casting or by latex blending. 7. Preparation of blend interpenetrating polymer networks methodology. 8. Preparation of filled polymer blends.9. Preparation of particulate filled FRP. 10. Preparation & characterization by actual testing of single layered configurations of

isotropic, orthotropic lamina. 11. Preparation and characterization of by actual testing symmetric laminates.12. Preparation and characterization by actual test of anti symmetric laminates.13. Preparation & characterization by actual test of non-symmetric laminates. 14. Preparation of Natural Fiber Reinforced Thermoplastics or Thermoset Composites.15. Preparation of Thermoplastic fiber Reinforced Composites.

Reference Books :

1. Polymer Blends - D.R. Paul and Newman2. FRP Technology - R.A. Weatherhead, Applied Science Publishers, London.3. Fiber Reinforced Composites - P.K. Mallide, Marcel Dekker Inc. New York.4. Plastics Engineering Handbook - J.L. Fradoj, Van Nastrand Reinhold Co., New York.5. Polymer Alloys and Blends - Folkes.6. Polymer Alloys and Blends - Thermodynamics & Rheology - L.A. Utracki Hanser

Publishers, New York.


409364 : MOULD AND DIE DESIGN



ObjectiveTo impart the knowledge of injection mold design so that the students by time they join the industry, will be fully acquainted with mold making i.e. manufacturing aspects and mold design i.e the design calculations and drafting part. This enables them to learn the polymer processing subject in a meaningful way.

Section IUnit I (10) General arrangement of components of a 2 plate mold. Design of feed system, ejection system and cooling system.

Unit II (6)Design of underfed moulds.

Unit III (8)Constructional features of split mould and their actuation techniques.

Section IIUnit IV (8)Hot runner moulds, their general arrangement, design of hot runner block, types of secondary nozzles. Heating systems used.

Unit V (6)Mould fabrication techniques like spark erosion, milling, polishing procedure, costing of moulds and their maintenance

Unit VI (10)Extrusion die design : Basic considerations in die design, constructional features in pipe die and blown film die. Determination of pressure drop and die swell throughpipe & film die.

List of Practicals :

Design and drawing of –(a) Two plate moulds.(b) Three plate mould.(c) Dies for pipe, blown film.At least one design problem each Based on above.Mould fabrication practical- Manufacture of simple cavity and core and/or standard mould components.

Reference Books :

1. Injection Mould Design - R.C.W. Pye.2. How to make Injection Moulds - Menges.3. Extrusion Dies - Walter Michaeli.4. Dies for Plastics Extrusion - M.V. Joshi


409365 : PROJECT WORK

Teaching Scheme : Examination Scheme :Term-I : 2 hrs./week Theory : 100 MarksTerm-II : 4 hrs./Week Oral : 50 Marks

Total : 150 Marks

Students will be allotted projects either individually or in groups. The detailed statement of project problem will contain literature review and experimental investigation or product design or process design relevant to the field of Polymer Engineering. Students will submit bound and typed project report at the end of year.

Every student will be orally examined in the topic of the project and in the related area of specialization.


409366 (a) : POLYMERIZATION REACTION ENGINEERING AND TECHNOLOGY

Teaching Scheme : Examination Scheme :Lectures : 4 hrs./week Paper : 100 Marks/3 hrs.

Total : 100 Marks

Objective 1. To understand the distinguishing features of and challenges involved in polymer

manufacturing processes as compared to monomer manufacturing processes.2. To get acquainted with technologies used for manufacturing polymers at commercial

scale.Section I

Unit I (8)Distinctive features of polymers and polymerization reactor as compared with monomers and their reactors. Changes in viscosity density and rate constant with conversion.

Unit II (8)MW / MWD obtained for anionic, free radical, step growth polymerization in batch reactor, plug flow react homogeneous continuous stirred tank reactor.

Unit III (8)Kinetic aspects of heterogeneous polymerizations,Viz. Suspension polymerization, emulsion polymerization (esp. Smith Ewart Model), Ziegler-Natta polymerization.Role of interphase mass transfer in choice and design of polymerization reactor (esp. Step growth polymerization reactors)

Section IIUnit IV (8)Descriptive account of reactor systems used for the following products. Polyvinyl Chloride, Polystyrene, Poly Ethylene Terephthalate, Nylon 6, Nylon 66, Styrene Butadiene Rubber.

Unit V (8)Models for Tromsdoyff effect in both step growth and chain growth polymerization.

Unit VI (8)Qualitative account of control engineering considerations in operation of batch and continuous polymerization process.

Reference Books :

1. Polymerization Process ModelingNeil A. Datson, Rafael Galvan, Robert L. Laurence, Mathew Tirrel1996 VCH Publishers , Inc.

2. Control of Polymerization ReactorsF.Joseph Schork, Pradeep B. Deshpande & Kenneth W. Leffew,

Marcel Dekker 1993.3. Reaction Engineering of Step Growth Polymerization

Gupta S. & AnilkumarPlenum Press, New York 1987.

4. Encyclopedia of Polymer Science & Engg. 2nd Edition.


409366 : Elective (b ) RUBBER TECHNOLOGY Teaching Scheme : Examination Scheme :Lectures : 4 hrs./week Paper : 100 Marks/3 hrs.

Total : 100 Marks Objective Elastomers are an important area of Material Science where polymeric materials are exclusively used. These materials find wide spread applications in automotive, aviation, marine, electrical industries. In this course the details pertaining to raw materials, formulations, processing, testing, applications have been presented. A sound understanding of these polymeric materials would equip the students for careers in rubber industry.

Section IUnit I (8)Revision of basic concepts and stages in rubber technology. Rubber Elasticity: Physics of raw and vulcanized rubber. Kinetic & thermodynamics theory of rubber elasticity. Stress strain relationships for vulcanized rubber. Molecular basis for material to act as a rubber.Unit II (8)Chemical and additives used in rubbers : Need for addition, function, level and stage of addition of various additives such as:

a. Peptizers: mechanism of mastication and role of peptizers, examples.b. Antioxidants : classification and examples, antiozonants.c. Accelerators : classification according to cure rate, criteria for selection, mode of functioning,

examples for various rubbers.d. Activators.e. Fillers; particulate, non-reinforcing, examples and effect on properties.f. C black : types, features important in reinforcing action, mechanism of reinforcement,

methods of incorporation.g. Chords and fabrics.h. Blowing agents.i. Colorants.j. Processing aids : Tackifiers, plasticizers, softeners, extender oils.

Unit III (8)Review of elastomeric materials- selection criteria for elastomers for in tended applications & mastication and compounding behaviour. Principles of compounding, design of compounds, machinery and method used for compounding. Vulcanization of rubbers: Vulcanization by Sulphur and by other methods.Chemical reactions, factors affecting rate of vulcanization.

Section IIUnit IV (8)Machinery, methods and processing parameters for processing of rubbers by

a. Extrusionb. Calendaringc. Injection mouldingd. Compression moulding and Injection – Compression moulding.

Unit V (8)Technology of manufacture of products such as

a. Tyesb. Tubesc. Beltsd. Cellular productse. Hollow products hoses f. Cablesg. Fortwearh. Latex products such as dipped gords i. Foams

Unit VI (8)Determination of cure rate of rubbers. Testing and analysis of raw rubber, compounds and vulcanizates. Testing finished rubber products, test methods & fundamentals. Reference Books :1. Rubber Technology and Manufacture, C.M. Blow, C. Hepburn, Butterworths Pub. 1985.2. Rubber Technology Handbook, C. Hoffman, Hanser Pub. 1989.3. Synthetic Rubbers: Chemistry and Technology, D.C. Blackley.4. Science and Technology of Rubbers, J.E. Mark, Ermas, F.R. Eirich, Academic Press 1994.5. Rubber Processing Technology, Materials and Principles, J.L. White, Hanser Publishers,

1995.


409366 : Elective (c) SURFACE COATINGS AND ADHESIVESTeaching Scheme : Examination Scheme :Lectures : 4 hrs./week Paper : 100 Marks/3 hrs.

Total : 100 Marks Section – I Surface Coating

Objective Surface coatings and adhesives are an important area of Material Science where polymeric materials are finding increasing applications. This segment of industry caters to the needs of construction industry, automobile industry, ship building industry, aviation industry, electrical insulation industry where a large number of materials such as paints, varnishes, enamels and laquors are extensively used for functional as well as aesthetic reasons. In the first section, effort has been made to introduce the student to various aspects of manufacture, testing and applications of these materials. Second section deals with adhesives – manufacturing, testing and applications.Unit I (8)Film formation, flow and rheology, film properties, adhesion, exterior durability, corrosion control, architectural coating, product coatings. Ingredients – resins and binders, pigments and extenders, solvents & additives, drying oils. Unit II (8)Types and classification of paints based on compositions and applications. Alkyd, acrylic, epoxy, urethane, silicone, Phenolics, natural resins etc. Paints, enamels, lacquers, varnishes, emulsion paints. Water based paints and solvent based paints. Industrial paints & decorative paints. Paints for special application. Various methods of application : Brushing, spraying, rolling, powder coating etc.Unit III (8)Quality control measures. Viscosity, gloss, weathering resistance, mechanical properties, colour, coverage, volatile organic content, impact resistance, hiding power, appearance, package stability, colour retention, good adhesion, chalking resistance, mildew resistance, resistance to salt spray, alkali resistance, etc. Health and safety aspects.

Section – II AdhesivesUnit IV (8)Theories of adhesion. Diffusion, electrostatic, surface energetics and wettability, mechanical interlocking theory. Guidelines for good adhesion. Advantages & disadvantages of using adhesives. Unit V (8)Type of adhesives. Structural adhesives. Epoxy, acrylic, elastomeric modified adhesive, PU adhesives, natural producer based adhesives, pressure resistive adhesives, hot melt adhesives. Solvent & emulsion based adhesives. Health and safety Unit VI (8)Testing: Mechanical testing of adhesive bonding. Chemistry and uses of adhesives. Surface characteristics of various substrates. Various types of joints used in Adhesion Bonding. Manufacture of adhesives. Properties and Testing of Adhesives. (as per ASTM standards), tack, viscosity, cure time, etc.Reference Books :1. Organic coating Technology Vol. I & I H.F. Payne.2. Paints and Surface coatings - by Lambourne (new )3. Oil Colour Chem. Asso. - surface coatings Vol. I & II. 4. Paint Technology Manuals Vol. I to VI5. Encyclopedia of Chemical Technology Vol. I page no. 445 - 446 6. Encyclopedia of Chemical Technology Vol. VI page no. 669 – 760, Vol. XVII

page no. 1049 – 10827. Oil & Colour Chemists Association, Surface coatings Vol. I, Champman & Hall,

1984. 8. Oil & Colour Chemists Association, Surface coatings Vol. II, Champman & Hall,

1984.9. Datta P.K. & Gray J.S. Surface Engineering Vol.I Fundamentals of coatings. Londan.

Royal Society of London, 1993.


10. Datta P.K. & Gray J.S. Surface Engineering Vol.II Fundamentals of coatings. Londan. Royal Society of London, 1993.

11. Datta P.K. & Gray J.S. Surface Engineering Vol.III Fundamentals of coatings. Londan. Royal Society of London, 1993.


409366 : (d) ADVANCED POLYMER RHEOLOGY


Total : 100 Marks

Objective To impart the basic understanding of polymer rheology so as to prepare them for understanding of its role in polymer processing and product design. The subject syllabus is designed such that students can undertake higher level of research in polymer rheology.

Section I

Unit I (8)Introduction to Rheological Principals. Non Newtonian fluids, time-dependent fluids, time dependent fluids, elastic viscous fluids. Introduction to tensors, stress tensors and strain tensors, Baric equations of fluid mechanics - Continually equation, Couchy equation, Navier – stokes equation.

Unit II (8)Melt Flow Analysis. Laminar flow thru circular c/s, annulus, slit, parallel plates, irregular profiles. Flow analysis using rheological models like power law, Ellis model. Turbulent flow analysis, turbulence dampling. Rheological models for extensional viscosity. Transition between laminar & turbulent flow, Ryan Johnson. Application of Ryan Johnson

Unit III (8)Viscoelasticity behavior. Stress relaxation, relaxation modulus, creep compliance dynamic modulus, dynamic compliance, dynamic viscosity, Mechanical models – Maxwell model, Voigt – kelvin model, Zener model, Boltzmann Principle of Superposition.

Time-temperature correspondence, time-temperature superposition, WLF equation, Glass-transition and theories of glass transition - free volume theory, thermodynamic theory and kinetic theory. Molecular theories – Reuse theory, Doi – Edward theory, Curtis – bird model. Introduction to -non linear viscoelasticity.

Section IIUnit IV (8)Parameters influencing polymer Rheology.Effect of temperature, activation energy, effect of on viscosity, effect of molecular wt & distribution on viscosity, molecular at dependence of zero shear viscosity, effect of slinking, crystallinity branching, copolymerization, effect of fillers, fiber filled polymer melts, effect of plasticisers, shear rate dependence of viscosity.Rheology of multiphase systems, rheology of immaculate polymer blends, phase separated block & graft copolymers.

Unit V (8)Rheometry. Study of rotation. Rheometry & surface Rheometer. Basic concept of constant stress & constant strain, Different types of Rheometers – Oscillatory Cone and plate Rheometer, Concentric cylinder, parallel disk Rheometer, concentric rotating disk Rheometer, controlled stress rotational Rheometer, Torque Rheometers – Extruder type, sliding plate Rheometers, sliding cylinder Rheometer.


Unit VI (8)Rheology in Polymer & Rubber processing : Rheology as applicable to processes.I] Calender & two roll millII] Single screw and twin screw extrusionIII] Blow mouldingIV] Injection moulding V] Forming processesVI] Thermoforming VII] Sheet extrusionVIII] Film blowingIX] Compression mouldingX] Wire coatingXI] Rubber extrusionXII] Internal mixers

Reference Books :

1. Rheology of filled polymer systems by Aroon V. Shenoy; Klyunner Academic Publishers.

2. Polymer Advances in polymer chemical physics Yu.g.Yan ov sky and Yu.A.Bisistov.3. The Mesoscopic theory of polymer dynamics Valadimir N. Pokrovski; Klower

academic publishers.4. Polymer & composite rheology by Rakesh K. Gupta.5. Polymer Melt Rheology; F.N. Cogswell, George Good Ltd. 6. Applied Rheology in Polymer Processing B.R. Gupta. 7. Introduction to Polymer Viscoelasticity John J. Aklonis and W.J. Mackmight John

Niley & Sons.8. Melt Rheology & its Role in Plastics processing theory & applications John M.

Dealy, Kurt F. Wissburn, Chapman & Hall.


409367 : (a) SPECIALITY POLYMERS AND APPLICATIONS


Total : 100 Marks

Objective To familiarize the students with specific classes of newer generation of polymers.

Section IUnit I (9)Liquid Crystalline Polymers. Theory of liquid crystallinity, classification, synthesis, structure property relationship, rheology of liquid crystalline polymers, blends of liquid crystallize polymers, self reinforced composites, applications of liquid crystalline polymers.

Unit II (9)Conducting polymers. Theory of conduction for conductors, semi conductors and conducting polymers. Band theory. Synthesis of conducting polymers processing of conducting polymers. Applications and recent advances. Unit III (8)Heat resistant polymers. Requirements for heat resistance, determination of heat resistance. Synthesis and applications of heat resistant polymers like polyamides, polyamide – imide, polyether – imides, PPS, PPO, PEEK, engineering plastic blends, abalative plastics.

Section IIUnit IV (6)Photosensitive polymers. Their synthesis, curing reactions. Applications in various fields. Membranes, their types, methods of casting and their applications.

Unit V (8)Bio-Polymers. Study of natural biopolymers and synthetic biopolymers and their applications like bioassays, biocatalysts etc. Biomaterials. Their medical applications, control release theory, scaffold materials, orthopedic applications, rehabilitation aids etc.,

Unit VI (8)Polymers in agricultural applications. Green houses, mulches, control release of agricultural chemicals, seed coatings. Polymers in construction – PVC, PP Polymer concretes – Resins and fikces used their properties.

Materials used in communication.

Reference Books :

1. Polymers for High Technology Electronics and Photonics - M.J. Bowden and S.R. Tumer, Amer Chem Soc., 1987.

2. Recent Advances in Liquid Crystalline Polymers - Chapoy. 3. Engineering Polymers - R.W. Dyson, Chapman & Hall, New York, 1990.


409367 : (b) FIBER TECHNOLOGY


Total : 100 Marks Objective To understand the natural & synthetic sources of obtaining fibers along with their manufacturing techniques. Understanding the importance of modification of synthetic fibers to imitate natural fibers & also to study the effect of the structure of polymer used on the application of fibers.

Section IUnit I (8)Definition of fiber, denier, yarn, filament. Classification of fibers, advantages & disadvantages of synthetic over natural fibers. Molecular requirements of fiber forming polymers. Stages involved in production of fibers, like A – Polymerization,B – Fiber spinning

1. Melt spinning2. Solution spinning

a. Wet spinningb. Dry spinningc. Comparison of wet & dry spinningd. Dry-Jet wet spinning

C – Effect of spinning speed on morphology D – High speed spinningE – H4S spinningUnit II (8)Various sources of obtaining natural fibers. Raw materials and polymerization technique used to obtain synthetic fibers; e.g. Polyester; polyamide, acrylics, PP, PVC, PVA, Aramid, etc.Unit III (8)Function of Spin finish, its chemical composition & methods of application. Stretching and drawing methods, texturing techniques, false twist process, Draw texturing, Air Jet texturing, Stuffer box texturing.

Section IIUnit IV (8)Staple fiber production process with the steps involved. Fiber structure properties & identification. Structural changes taking place during spinning, drawing and heat setting and it effect on properties of fibers. Unit V (8)Mass coloration methods. Mass coloration advantages and disadvantages. Dyeing of synthetic fibers in loose fiber & yarn form. Carrier dyeing, High temperature dyeing, Thermosol process, Acid & basic dyeing. Unit VI (8)Modified synthetic fibers with methods of their obtaining & their advantages.

Reference Books :

1. A. Ziabicki Fundamentals of Fiber Formation. John Wiley New York, 1976.2. A. Ziabicki and H. Kawari, High speed fibre spinning, John Wiley, New York, 1976.3. A.A. Vaidya, Production of synthetic fibers, Prentice Hall of India. 1988.4. V.B. Gupta and V.K. Kothari, manufactured fibre technology, Chapman and Hall,

London, 1997.5. Fiber technology by Ghosh


409367 : Elective (c) MECHANICS OF COMPOSITES


Total : 100 Marks

Objective To understand the mechanics of composites from the micro and macro level so as to prepare the students for undertaking product design of composites. The subject imparts the understanding of failure theories and classical lamination theory.

Section IUnit I (8)Manufacturing processes. Fiber reinforced composites, particulate composites. Various types of fibers and flakes. Aspect ratio.Study of following manufacturing techniques from process, process parameters and application point of view.

1. Hand lay-up2. filament winding3. Resin transfer moulding 4. Pultrusion

Effect of processing parameters of above on the properties of end products.

Unit II (8)Macromechanical behaviour of a lamina : Stress strain relations for anisotropic materials, Engineering constants for orthotropic materials, Restrictions on elastic constants, Invariant properties of an orthotropic lamina, Biaxial strength theories for an orthotropic lamina

1. Maximum stress theory2. Maximum strain theory3. Tsai-Hill theory4. Tsai-Wu tensor theory

Unit III (8)Micromechanical behaviour of a lamina : Mechanics of materials approach to stiffness i.e determination of engineering constants for the lamina,Halpin-Tsai equations, Elasticity approach to stiffness, Particulate composites, Mechanics of materials approach to strength. Tensile and compressive strength in fiber direction

Section IIUnit IV (8)Macromechanical behaviour of a laminate : Classical lamination theory , Symmetric laminates, Antisymmetric laminates, Nonsymmetric laminates, Inversion of stiffness equations, Cross-ply laminate stiffnesses, Theoretical and experimental cross-ply laminate stiffness, Angle-ply laminate stiffnesses, Theoretical and experimental angle-ply laminate stiffnesses, Strength of laminates, Interlaminar stresses, Design of laminates using invariants of the laminate

Unit V (8)Sandwich structures: Sandwich structures and cellular structures. Modes of failure, critical load transfer loading of structural sandwich composites, type of sandwich failures. Case studies for design and processing of beams, channels, pipes, storage tanks, boat hulls and automobile parts etc.

Unit VI (8)Testing of the composites :Tensile test methods & analysis, Compressive properties & test, Flexural properties & test, In plane shear properties & test, Weibull distribution for test result analysis, Inter laminar shear


strength. Fatigue test methods- Tension- tension fatigue, Flexural fatigue, Inter planer shear fatigue, Torsional & Compressive fatigue, variables in fatigue performance. Impact properties & test- Charpy, Izod, Drop weight impact tests Low energy impact tests,. Other properties- Pin bearing strength, damping properties, thermal conductivity & coefficient of thermal expansion. Long term properties- Creep test, stress rupture.

Reference Books :

1. N.P.Cheremisinoff (Ed), ‘Fibre-glass Reinforced Plastics’, Noyce Pub. 1988.2. P.K.Malik, Fibre Reinforced composites, Marcel Deckar, 1988.3. N.L.Hancex, R.M.Mayer, Design Data for Reinforced Plastics, Chapman Hall, 19944. Raymond Seymour , Reinforced Plastics : Properties and Applications, The Materials

Information Society, 1991.5. R.A.Shenoi, J.F.Wellicome,” Composite materials in Maritime Structures’,Vol-1 and

2., Cambridge University Press,1993.6. Mechanics of Composite Material , Robert Jones, McGraw hill company7. Composite Materials processing, fabrication, and applications, Vol.I, Mel M.

Schwartz, Prentice Hall PTR, N.J. 19968. Composite Materials processing, fabrication, and applications, Vol.II, Mel M.

Schwartz, Prentice Hall PTR, N.J. 19969. Fiber Composites In Infrastructure, Vol. I, H. Saadatmanesh M.R.Ehsani, 1998

U.S.A. 10. Fiber Composites In Infrastructure, Vol. II, H. Saadatmanesh M.R.Ehsani, 1998

U.S.A.


409367 : Elective (d) Packaging Technology


Total 100 Marks

ObjectivePlastic material offer unique advantage in the area of packaging from asthetic and functional point of view. Objective of this course is to initiate the student in the emerging area of plastic packaging technology.

Section I

Unit I Packaging

a) Historical background, definition of packaging as an integral part of production and marketing. Basic concepts – Physical and Physico-chemical such as colligative properties, gas laws, surface tension, dialysis, diffusion, energy measurements, etc. Package – components, separation, clearance, support, positioning, cushioning, weight distribution, suspension and closures.

Packaging Characteristicsa) Physical characteristics of the product – physical state, weight, centre of gravity,

symmetry, fragility, rigidity, surface finish, etc.b) Physico-chemical characteristics – susceptibility to water, water vapour, gases, odour,

heat, light – mechanism of spoilage. c) Principles of Corrosion and its prevention.d) Compatibility – permissible plasticisers in plastics and coating media, their migration to

food – can lining compounds and lacquers for containers for fruit and vegetables, fish, meat and other products.

e) Package design – factors influencing design / product-package relationship.

Unit II Packaging Materials and ancillary materials

Technology, manufacture, conversion, properties, applications, advantages, limitations, trends in use and forecast for future:

a) Paper and specialty papers.b) Paper Board – Folding cartons.c) Cellulosic film and laminates.d) Plastics – Polyethylene, Polypropylene, polystyrene, polyvinyl chloride, polyvinylidene

chloride, nylon, polyester films, laminates and other combinations. e) Expanded polystyrene, Expanded polyethylene, Bubble film.f) Aluminium foil.g) Laminations and coatings.h) Collapsible tubes, closures.i) Composite containers, composite drums and paper tubes.j) Textiles – Jute textiles – Sacks.k) Multiwall paper sacks and plastic Woven sacks.l) Wood & wooden containers, Boxes, Plastic Crates, Wire bound packing cases, Plywood

cases.m) Corrugated Boards and Boxes – Combinations with various materials


Unit III Ancillary Materialsa) Adhesives :1 Theory and principles of adhesion and factors affecting board strength.2 Different types of adhesives – vegetable, animal, inorganic and synthetic.3 Adhesive tapes – gum tapes, pressure sensitive tapes, their manufacture and applications. b) Cushioning : 1. Physical concepts in cushioning, energy, impact load and concept of shock as complex of

deceleration and impulse time.2. Prevention of shock damage to articles by various means and their measurement.3. Types of cushioning materials and properties – space fillers-cork, paper shavings, wood-

wool, saw dust, coir dust, paddy straw and dry grass. Resilient materials – rubberised hair, rubberised coir, polystyrene and polystyrene and polyurethane foams, springs, metal shock mounts, etc.: Non-resilient system – rigid foams, honeycomb, etc.

c) Reinforcements – straps – steel, plastic, rayon-based, - wires, bailing hoops etc.d) Stitching methods - bags, paper and textiles, corrugated board boxes and stitching

appliances.e) Seals and closures.f) Lining compounds and lacquers for tin containers.g) Labels and labelling including instant labels.h) Ink jet printing and bar coding.i)

Section II

Unit IV Packaging Of Food Products

(a) Agriculture produce.(b) Processed and dehydrated food.(c) Milk and milk products.(d) Meat and poultry products.(e) Marine products – Shrimps.(f) Spices

Packaging Of Other Specific Items(a) Pharmaceuticals.(b) Tea.(c) Cosmetics and perfumery.(d) Soaps, detergents & shampoos.(e) Chemicals and fertilizers.(f) Petroleum products.(g) Pesticides.(h) Light Engineering Goods and domestic appliances.(i)(j) Heavy machinery and equipment’s.(k) Textiles and Garments.(l) Handicrafts.

Unit V Packaging Process, Machinery & Equipments

(a) Packaging processes and machinery – types, characteristics and specialties; selection and specification.

(b) Equipment for canning, paper – board carton, flexible packaging, etc.

Printing in packaging(a) Graphic design – Preparation and reproduction of art work.(b) Printing Techniques – Letterpress. Flexography, Lithography, Gravure, Silkscreen.(c) Printing inks and Print evaluation.

Unit VI Test procedure, standard and quality control


1. For packaging materials – physical, physico – chemical, resistance to light, insect and mould/fungus.

2. For packaged goods – Unit package: compatibility studies, shelf-life studies –with reference to flexible, rigid packs, different types of seals, closures etc. Bulk packages –

Evaluation of transport – worthiness of filled packages – physical and climatic hazards.3. Standards for packaging material – rigid, non – rigid and ancillary material.4. Standards for export packages – labeling and marketing regulation.5. Packaging quality control criteria.6. Sampling, variables and attributes, 7. Implication of ISO – 9000.8. Eco Packaging and regulation.

Reference Books:

1. Honlon J F, Package Engineering. McGraw Hill,19842. Intel: Packaging Handbook . Intel,1992.3. Bruins Paul F: Packaging With Plastics.Gordon &Breach,1974.4. Turtle Ivor:Plastics Packaging.Pira,1990. 5. Active Packaging for food application by Aaron L. Brodel. , Eugene R. Strupinstes,

Lauri R.Kline.6. Advances in Plastic Packaging Technology, by John Briston.7. Plastic Films by J.H. Briston.8. Foods and Packaging Materials-Chemical Interactions Edited by Faul Actarmann.9. Food packaging & preservation, Edited by M. Mathlouthi.10. Hand Book on Modern Packaging Industries, by NIIT.11. Food Packaging Technology Hand Book, By NIIR.


409368 : PRODUCT DESIGN AND COMPUTER APPLICATIONS

Teaching Scheme : Examination Scheme :Lectures : 4 hrs./week Paper : 100 Marks/4 hrs.Practicals : 2 hrs./week Oral : 25 MarksDrawing : 2 hrs/week T.W. : 25 Marks

Total : 150 Marks

Objective The objective of the subject is to impart the knowledge of product design based on their understanding of polymer rheology and mechanics of composites. The subject prepares the students for mould and die design which are studied from the product design point of view.

Section IUnit I (8)Product Design : Procedure and steps, Flowchart in product design. Structural foam product design, Mechanical properties, Short term and long term properties. Relaxation, Recovery of plastics, Maxwell model, Kelvin model, Zener model for visco elastic deformation. Design methods using deformation data, Pseudo - Elastic design methods for plastics, load bearing products; Stress concentration, Intensity factor, Fracture behavior of plastics, Energy approach to fracture. Creep failure of plastics, Fatigue, Impact behavior of plastics. Finite element analysis for product design, modeling and meshing for computer simulation.Parallel Engineering approach to product design.

Unit II (8)Composites Tensor notations, Stress-strain relationship for orthotropic materials, Stress-strain relationships for plane stress in orthotropic materials, Biaxial strength theories for orthotropic lamina like

1. Maximum stress theory 2. Maximum strain theory3. Tsai – Hill theory4. Tsai – Wu tensor theory

Classical Lamination theory, resultant laminate forces & moments, symmetric laminates, Anti symmetric laminates, Non-symmetric laminates

General design considerations for plastic product : Snap fit assemblies, Press fit or shrink fit assemblies. Design considerations for ribs, corner radii.

Unit III (8)Simulation methods for computer flow analysis.Constitutive equations for flow analysis.Modeling for flow analysis.Pressure drops across runner gate etc. Packing profile analysis, Fill analysis, Runner balancing, Optimum gate locations, Volumetric shrinkage, Flow leaders, Flow restrictors, Warpage analysis.Various vis cosity models used in flow analysis like Ellis model, CORREAU model, Cross model, Erying – prandtl model, Muensteadt model etc.


Section IIUnit IV (8)General layout of molds for internally threaded components. Different methods of ejection like rotating cores, collapsible cores etc. Mechanisms used for core rotation.

Unit V (8)Design calculations for internally threaded components.

Unit-VI (8)Design calculations for split molds and molds with side cores.

List of Practicals :

1. Practicals for design of injection moulded components and analysis with software.

2. Design and drawing of at least 3 sheets.Hot runner mould.Split moulds (injection)Moulds for undercut (injection)

Reference Books :

1. Flow Analysis of Injection Moulds - Peter Kenedy.2. Plastics Product Design - Beck.3. Modeling of polymer processing - O’Brian.4. Plastics Engineering - R.J. Crawford Pergamon Press.5. Designing with Plastics and Composites - Rosato & Rosato6. Fibre Reinforced composites - P.K.Malik, Marcel Deckar, 1988.7. Mechanics of Composite Material - Robert Jones, Macgrow hill company


409369 : POLYMER PROCESSING OPERATIONS – II

Teaching Scheme : Examination Scheme :Lectures : 4 hrs./week Paper : 100 Marks/3 hrs.Practicals : 2 hrs./Week Oral : 50 Marks

T.W. : 25 MarksTotal : 175 Marks

Objective The subject prepares the student for understanding of basic processes like calendaring, rotational moulding and other casting methodologies. The subject also imparts the knowledge of post moulding operations like printing and other decorative methods. The subject also prepares the students for machining operations carried out on plastics.

Section IUnit I (8)Calendaring - Basic Process, material and products, Calendaring plant. Types of Calendars, Roll construction, Roll configurations, drives, Heating system, film and sheet lines. Laminating and embossing lines. Various parameters, control and their effect on quality; defects, causes and remedyCalendaring lines – General purpose line, pre-calender (compounding and lini), post-calender train. Special lines and arrangements, calendered flooring lines, lamination with calender. Analysis of calendaring – (Through put), pressure profile through calendar, flow and pressure generation at calendar nip, roll separation forces and methods of compensation. Roll bending, Roll deflection, Methodologies to take care of roll bending & deflection. Sheet gange thickness control.

Unit II (8)Rotational moulding - Basic process, materials and products parameters; Temperature, speeds, cooling; Effect on product quality; Control system. Bubble formation of rotational molding, Methods of bubble removal, effect of internal pressure in rotational molding, Multilayer rotational moulding, Rotational moulding of Nylon, Polyethylene etc., rotational moulding of liquid polymer. Rotational moulding equipments, drive, batch type and continuous type machines.Rotational moulding process analysis - mould temperature rise, heat and melt flow in rotational moulding. Cycle time calculations.

Unit III (8)Other polymer processing operations - Such as dip coating, slush moulding, polymer casting matched metal moulding, Liquid reservoir moulding, Solid phase forming. Post moulding operations like printing and decoration methods : Printing Equipments used for on line printing and batch printing. Types of inks used printing techniques on for plastics products.Decorating methods. Surface preparation, Electroplating, Vacuum metallizing, Texturising, Special effects like rainbow effect, Hot stamping, Embossing. Description of the equipment used for these processes.

Section IIUnit IV (8)Fibre spinning - Basic principles of fluid flow during fibre spinning, analysis of melt spinning, materials used, auxiliary equipments and downstream equipments used in fibre spinning and melt spinning. Trouble shooting, control of various process parameters and their effect on product quality.


Unit V (8)Recycling - Individual steps in the process and their purposes, standard of recycling, production waste, washing and recycling of contaminated waste. Integrated recycling and compounding. Typical equipments used for recycling. Metal detection and separation, cutting mills, crammer feeder, screen changer energy balance, specific energy consumption.

Unit VI (8)Finishing Operations :Machining : Special guidelines for machining of polymers with respect to tool geometry and other machining parameters. LASER machining.Welding - Details of welding process, equipment specifications. Types and classification of welding techniques, surface preparation, defects observed. Joining and assembling of plastics Adhesive bonding, techniques, joints, designing of joints for bonding adhesives. Mechanical fasteners, insets, standard machine screws, self tapping screws, Bosses, bolts and nuts, rivets, spring clips, Hinges, mails snap fitting, integral hinges.

List of experiments :

1. Study of Rotational moulding machine.

2. Rotational moulding of HDPE.

3. Effect of process parameters (temperature, speed ration of the two axes, cooling etc.) on the quality of a rotationally moulded product.

4. Design and fabrication of rotational molding molds and study of various methods mounting.

5. Demonstration & study of screen printing on plastics.

6. High frequency welding of PVC and study of other methods of welding.

7. Study of Hot stamping equipment.

8. Machining of plastics. (e.g. acrylics etc.)

9. Study of construction and working of a calendaring unit.

10. Study of melt spinning of fibres.

11. Study and working of solvent cementing technique.

(Any Eight experiments of the above).

Reference Books :

1. Plastics Engineering Handbook - J. Frados. Van Nostrand.2. Fundamentals of Polymer Processing - Stanley - Middleman3. Rotational Moulding of Plastics - R.J. Crawford.4. Synthetic Fibres - V.V. Vaidya5. Calendaring of plastics - R.A. Elden, A.D. Swan London Iliffe books.


409370 : INDUSTRIAL MANAGEMENT & PROCESS ECONOMICS


Total : 100 Marks

Objective The subject prepares the students for basic principles of management, cost and accountancy practices. The subject deals with the scheduling, inventory control and project management. Objective of the syllabus is prepare the students for undertaking managerial responsibilities in the industrial operations.

Section IUnit I (8)Principles, functions and types of manufacturing organization, various motivation theories, leadership traits, application of ergonomics in industry, plant layouts, material handling and safety.Basic cost-elements, cash flow statement, discounted cash flow, equipment costing, total cost, methods of cost allocation,, joint cost and accounting of by products. Cost-volume-profit-analysis. Break even point. Payback period. Break even point for multi product simulation. Pricing and decision process: Opportunity cost relevance and contribution approach, incremental cost, ROI, pricing for new product. Full cost pricing, organization, layout and ergonomics and costing.

Unit II (8)Analysis of balance sheet:Statement of income and expenditure. Return on investment, earning per share, debt equity.Financial Management of project.Capital structure analysis, Debt equity ratio, fixed capital, working capital, cost of finance, interest calculations, prime cost, overhead cost, allocation of overheads, methods of raising finance shares, debentures and financial

Unit III (8)Depreciation, cost control and estimation of cost:Concept of depreciation, various methods of determination of depreciation. Introduction to taxes, sales tax, excise octroi etc. insurance. Cost of quality, budgetary control, cost control, cost reporting and corrective action, capital cost control Estimating the cost of material, machining, labour and overhead costs.

Section II Unit IV (8)Linear programming – The simplex method, sensitivity analysis, transportation model, assignment and routing problem. Sequencing problem, problems with n-jobs and two machines, problems with n-jobs and m machines.

Unit V (8)Decision theory & games, decision trees, decisions under uncertainly, game theory.Project – Management – by PERT & CPM, Project – control, probability considerations in project – scheduling.

Unit VI (8)Inventory management, ABC analysis, economic lots size problems, buffer stock or safety stock, determination of buffer stock, inventory control with price-breaks, purchase inventory problems.

Reference Books : 1. Plant Design and Economics for Chemical Engineers, Peters, Timmer hous,

MacGraw-Hill.


2. Chemical Process Economics, Hapel J., Jerdan D.G.3. Cost Accounting, Prasad N.K.4. Cost Accounting, B.K. Bhar, Academic Publishers, Culculta.5. Kanappan D., Augustine A.G. Mechanical Estimating and Costing MacGraw-Hill,

New Delhi.6. Manufacturing Cost Engineering Handbook E.M. Malstrom, Mareel Dekker Ine New

York 1984.


409371 Polymer Testing

Teaching Scheme : Examination Scheme :Practicals : 2 hrs./Week T.W. : 25 MarksLecture : 1 hrs./Week Pr. Exam : 50 Marks

Total : 75 Marks

Objective:To understand polymer testing related to short term as well as long term mechanical properties, thermal as well as electrical properties.

Unit I (8)Need for testing - Different national and international standards with their test methods and their importance. Mechanical Properties - short term and long term mechanical properties , their significance and importance. a) Determination of tensile strength, elongation at break, tensile modulus; etc. b) Different types of Impact tests : Determination of impact tests for different polymeric

materials. c) Study of creep and fatigue.

Unit II (8)

Electrical Properties : Their importance and significanceDifferent types of electrical properties and correlation between structure and electrical properties. a) Determination of surface and volume resistance. b) Determination of Break down voltage and Dielectric strength etc.Thermal Properties a) Determination of heat deflection temperature ( HDT ) b) Determination of vicat softening point VST)

C) Determination of melting point and softening point for different polymers

Unit III (8) Chemical Properties : a) Determination of chemical resistance. b) Determination of solvent resistance. c) Study of weathering property. d) Determination of limiting oxygen index.Barrier Properties : Their significance and importance a) Study of Barrier properties.Various other test like optical, chemical, pressure etc. for the end products.


List of Experiments :

1] To determine the tensile strength and percentage elongation of film in machine and transverse direction.

2] To determine the tensile strength at break & yield & % elongation of dumbbell shaped specimens of various polymers.

3] To determine the izod impact strength for various polymer.

4] To determine the falling dart impact strength for films.

5] To determine the heat deflection temperature.

6] To determine the vicat softening temperature.

7] To determine the coefficient of friction of films.

8] To determine the specific gravity of rubber sample.

9] Study of volume & surface resistivity.

10] To find out environmental stress crack resistance for polyethylene samples.

11] To carry out water absorption test for various polymers.

12] Study of miscellaneous test for products like pipes, containers, etc.

From the above any 10 experiments are to be performed.

Reference Books :

1. R.B. Brown, Handbook of Plastics Test Method, George Godwin Limited, 1981.2. Brown and Vishnu Shah, Handbook of Plastic Testing Technology, A. Wiley -

Interscience Publication.3. G.V. Eves, Handbook of Plastics Test Methods, J.A. Mead, M.M. Riky.


409365 : PROJECT WORK

Teaching Scheme : Examination Scheme :Term-I : 2 hrs./week Theory : 100 MarksTerm-II : 4 hrs./Week Oral : 50 Marks

Total : 150 Marks

Students will be allotted projects either individually or in groups. The detailed statement of project problem will contain literature review and experimental investigation or product design or process design relevant to the field of Polymer Engineering. Students will submit bound and typed project report at the end of year.

Every student will be orally examined in the topic of the project and in the related area of specialization.


B.E polymer syllabus stucture

Documents