Dec 18, 2014
Contents
Handbook Introduction iii Preface v Contributors ix
1. Detergents: Technical and Practical Challenges 1 Guy Broze
2. Surfactants: Classification 7 Louis Oldenhove de Guertechin
3. Surface Activity 47 Patrick Durbut
4. Surfactant Solubility 99 Robert G. Laughlin
5. Anionic—Cationic Surfactant Mixtures 133 Ammanuel Mehreteab
6. Polymer-Surfactant Interactions: Their Behavior at the Solid-Liquid Interface 157 Anne-Marie Misselyn-Bauduin
7. Emulsions 181 Alain Jacques
8. Microemulsions 253 Jean-Louis Salager
9. Equilibrium and Dynamics of Surfactant Adsorption Monolayers and Thin Liquid Films 303 Krassimir D. Danov, Peter A. Kralchevsky, and Ivan B. Ivanov
10. Foam in Consumer Products 419 Germaine Zocchi
11. Surfactant Interactions with Skin 433 Thomas G. Polefka
vii
viii
12. Models for Studying Surfactant Interactions with the Skin 469 Marc Paye
13. Properties of Builders: Nonphosphate Builders 511 Daniel Joubert, Robert Gresser, and Jean-Pierre Cuif
14. Polymers in Detergents 559 Paolo Zini
15. Oxygen Bleaches 597 Vince Croud
16. Hypochlorite Bleach 619 John A. Church
17. Applications of Hypochlorite 631 Michel Julemont
18. Detergent Enzymes: A Challenge! 639 Andre Crutzen and Miriam L. Douglass
19. Perfumes in Detergents 691 John Ramsbotham
20. The Use of Colorants in Soaps and Detergents 721 Robert L. Mahaffey, Jr.
21. Disinfection and Preservation in Detergents 743 Frangoise Siquet
22. Rheological Modifiers for Aqueous Solutions 757 Amjad Farooq
Index 787
Index
Acyl glutamate, 20 Acyl peptide, 20-21 Acyl sarcoside, 21 Adhesion improvement in coating, 22, 23, 24,
27 Adhesion tension, 72, 74, 91, 93
method, 89 Adsolubilization, 177, 178 Adsorbant for granulate solid detergents,
512-513 Adsorption
of anionic-cationic surfactant mixtures, 144
under barrier control, 316-319 under diffusion control, 312-316 driving forces, 47-48 effectiveness, 52 electro-diffusion control, 319-322 free-energy, 54-57 at interfaces, 104 isotherm
most frequently used equations, 309-310
van der Waals-type, 307-308 from micellar solutions, 322-326 polymers, 164-165
on laundry fabrics, 566-567 surface excess concentration, 49-54 surfactants on solids, 7, 24, 27, 29, 30 thermodynamics from surfactant solutions,
305-308 and wetting, 74
AEOS, 11-12, 15 AES, 11-12 Alcohol ethoxy sulfates (AEOS), 11-12, 15 Alcohols {see also Alkanols or Fatty
alcohols), 30-31
Alfen process, 30 Alfol process, 30 Alkanol
influence of, on microemulsion, 274-279, 287, 294-296
lipophilic linker role, 276, 294-296 Alkanolamides, 35-36 Alkanolamide sulfates, 12 Alkyl amines, 21 Alkyl aryl sulfonates, 14-16 Alkyl carbohydrate esters, 37, 39-40 Alkyl ether phosphates, 18-20 Alkyl ether sulfates (AES), 11-12 Alkyl phosphates, 18-20 Alkyl polyglucosides (APG), 34-35 Alkyl sulfates, 10-11 Alkyl sulfonates, 13-14 a-Aminoglutaric acid, 20 a-Olefins, 13, 30 a-Olefin sulfonates (AOS), 13-14 a-Sulfo fatty acid esters (ASME), 17-18 a-Sulfo methyl tallowate (ASMT), 18 Alumina, 783 Amido-amines, 22, 26 Amine oxide, 28, 40, 633-634 Amino acid, 20 Amphiphilic character, 7 Amphiphobic character, 42 Amphoglycinate, 28 Amphopropionate, 28 Amphoteric surfactants, 28-30
acyl ethylenediamine, 28-29 disinfection, 745-746 JV-alkyl amino acid, 29-30 JV-alkyl imino acid, 29-30
Analysis of hypochlorite, 620-622 Anionic—amphoteric complex, 28
787
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788 Index
Anionic-cationic complex, 21, 23 Anionic surfactants, 8-21
acyl-amino acid salts acyl glutamate, 20 acyl peptide, 20-21 acyl sarcoside, 21
carboxylate salts (or soaps), 8-9 disinfection, 745-746 ester carboxylates, 9-10 ether carboxylates, 10 phosphate esters, 18-20 sulfates, 10-12
alkyl ether sulfate, 11-12 alkyl sulfate, 10-11
sulfonates, 12-18 alkyl aryl sulfonate, 14-16 alkyl sulfonate, 13-14 fatty acid isethionate, 18 fatty acid tauride, 18 sulfo fatty acid ester, 17-18 sulfosuccinate, 16-17
Antibacterial products, 750-751 Antifoaming agent, 20, 41 Antimicrobial agent (see Germicidal
surfactants) Antistatic effect, 19-20, 22, 23-24, 29, 37,
40 AOS, 13, 14 APG, 34, 35 Applications
adhesion tension, 90—93 microemulsions, 297-298 triglycerides, 91
Aromachology, 711 Aromatherapy, 711 ASME, 17, 18 ASMT, 18 Autodigestion, 669, 671, 673
Beta (see Interaction parameter) Betaines, 25-26 Binding of surfactants, 443-444, 453, 470 Biocidal efficacy of TAED, 612-615 Biodegradability, 27, 34, 39, 42 Biomolecules
enzyme, 447-448, 459, 475 extraction, 446-447, inflammatory mediators, 459 natural moisturizing factor, 451
Bleach(es) activators, 602-615 cleaners, 634-635 decomposition reactions, 626-627
[Bleach(es)] disinfection, 746-747 European business, 631-635 hypochlorite, 619-637 oxygen, 597-617 peracids, 615-616 scented, 633 thickened, 633-634
Bleach resistance of amine oxide, 40 Bleaching mechanism, 599-600 Bleaching systems, 4, 597-637, 643, 657, 673 Block copolymer, 26, 31, 33 Branched copolymer, 565 Builders, 4, 511-595, 672, 675
basic functions, 512-517 calcium and magnesium ions, 530-543 enviromental aspects, 517 future, 584-587 incrustration build up, 541-542 physico-chemical properties, 518-530 silicates, 543-557 soaps, 542-543 synergisms, 573-574
Ca ions, 672-673, 675 Carboxylate salts, 8 -9 Castor oil, 35 Catalyst, 14, 30, 36
Friedel-Crafts, 14 Cationic surfactants, 21-28
alkylamines, 21-22 alkylimidazolines, 22-23 disinfection, 744-745 esterified quaternaries, 27-28 ethoxylated alkylamines, 26-27 quaternary ammonium salts
alkyl betaine, 25-26 heterocyclic, 24 tetraalkyl(-aryl), 23-24
Chemical potential, 107-109 Chlorine (see Hypochlorite) Clay, 778-781 Cloud point, 8, 32, 33, 34, 40, 41, 115-118,
134-135, 186 of anionic-cationic surfactant complexes,
145-148 Coalescence, 186 Collagen, 20, 437, 471 Colloidal dispersion, ripening of, 105-106 Color
history in soaps and detergents, 724-726 measurement, 736-738 representation, 722-724
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Index 789
Colorant, 598, 721-742 classes, 726-732 nomenclature, 732-733 polymeric, 729-730 regulated, 730 selection, testing and performance, 7 3 3 -
736 toxicology and safety, 738-740
Color Index, 732-733 Comb-like surfactants, 41 Concentration, 657, 661 Consumer product, 434, 442 Contact angle, 71-74, 82, 89, 347-355 Contact line, 347-351 Copolymer synthesis and structure
description, 562-565, 759 Corneocytes, 435, 489 Corrosion inhibition, 19-20, 21, 22, 23, 27,
40 Cosurfactant, 30, 254, 255, 272, 274-275 Creaming, 187-188 Critical micelle concentration (CMC), 58-60 Critical point, 260, 263 Critical surface tension, 42 Crystal
factors affecting solubility, 114-115 hydrates, 113 metastable, 113 solubility (see Krafft boundary)
Curvature, 267, 268
DEA, 9, 27, 35 Denaturation, 669-674 Deodorization, 635-636
,r. Dermis, .43.7 Detergency, 69, 81, 90 Detergent(s)
effect of builder, 513-516 enzymes, 639-690 perfumes in, 691-720 powder, 512-513 technical and practical challenges, 1-5
Diethanol amine (DEA), 9, 27, 35 Diffusion
coefficient, 104, 152 through unstirred boundary layers, 103
Dimethicone, 42 Dioctyl sulfosuccinate, 273, 294 Dipole moment
in amine oxide, 40 in ethylene glycol chain, 32
Discontinuous cubic phase (see Liquid-crystal)
Dishwashing, automatic, 587-594 bleach, 599 use of enzymes, 685 use of TAED, 611
Disinfection, 597, 743-755 by bleaching agents, 597, 623, 746-747 efficacy testing, 747-750 germicidal surfactants, 8, 21, 22, 24 surface, 635-636 surfactants used in, 744-746
Distribution in EO chain length (see also Ethoxylation degree), 31, 37
DLVO theory, 183-185, 358-363 DTDMAC, 243-249 Dye (see also Colorant), 728-730
Edible surfactants, 38 Electrical double layer, 183-184 Emulsion(s), 181-251
applications fabric softener, 243-249 hair conditioner, 249-250
definition, 181 formulation, 188-231
carbon number method, 196-197 HLB method, 192-196 phase diagrams, 199-204 solubilization method, 197-199
instability, 186-188 processing, 231-243
low energy emulsification, 240-243 mixing, 232-240 sequence of ingredient addition, 2 3 1 -
232 rheology, 217-231 stability, 182-186
evaluation, 204-217 Enthalpy, 55-57, 64 Entropy, 48, 55-57, 64, 163, 256, 258, 266 Enzyme(s), 5, 447-448, 459, 475, 639-690
activity determination, 654-657 units, 654-655
amylases, 642, 647-648, 675 bleach, 653-654 catalysis mechanism, 668-669 cellulases, 642-643, 651-653 deactivation, 643, 669-673 development
gene technology, 678-679 hybridization, 676-677 protein engineering, 677-678
lipases, 648-651
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790 Index
[Enzyme(s)] production
fermentation, 679-680 granulation, 680
proteases, 641-642, 644-645, 675 protection, 673-676 stability, 641, 660-661, 672 stabilization systems
chemical, 674-675 physical, 662, 675-676
structure, 674-675 EO/PO block copolymer, 31, 33-34, 41 Epidermis, 434-436 Equilibria in hypochlorite solutions, 622-623 Equilibrium
surface tension (anionic -cationic complexes), 148-152
surfactant adsorption monolayers and thin liquid films, 303-418
Essential Oils, 695 antimicrobial properties of, 701 semiochemical properties of, 701-702
Ester(s) alkyl carbohydrate esters, 39-40 of carboxylic acids, 9-10 of ethoxylated fatty acids, 36-37 glycerol esters, 37-38 glycol esters, 37-38 sorbitan esters, 38-39 sorbitol esters, 38-39
Esterified quaternaries (Esterquats), 27-28 Ether(s)
alkanolamide ether sulfates, 12 alkyl ether phosphates, 18-20 alkyl ether sulfates, 11-12 alkylpolyglucosides, 34-35 carboxylic acid, 10 ether carboxylates, 10 ether carboxylic acids, 10 fatty alcohol ethers, 31-33 of oils and fats, 35
Ethoxylated alcohols, 31-33 cloud point, 32 degradation by oxidation, 32 HLB number, 32
Ethoxylated alkyl amines, 26-27 Ethoxylated fatty acids, 36-37 Ethoxylation degree, 12, 26, 31 Ethylene diamine, 26 Ethylene oxide (EO), 12, 26, 31-32
Fatty acid isethionate, 18 Fatty acid tauride, 18
Fatty acid(s), 9, 16, 18, 35, 36-37, 39 isethionate, 18 natural sources of, 9 tauride, 18
Fatty alcohols, 10, 16, 18, 30-31 Fatty amines, 21-22, 26 Fatty ester sulfonates (FES), 17 Films, of uneven thickness, 356-357 Fire-fighting foam, 30 Flocculation, 187 Flotation, 79, 81, 82 Flotation process, 22, 43 Fluorosurfactants, 42-43 Foam
feel of, 421 resistance to soil, 421, 422, 426 rinsing of, 421, 422 as a sensory attribute, 419, 421, 422 as a signal of efficacy, 419, 421, 423 tests to measure and characterize, 423-426
dynamic methods, 425-426 specially developed methods, 426 static methods, 424-425
Foam control antifoams, 426-429
choice of, 427 hydrophobic material, 428 mechanisms, 427 surface-active material, 427, 428
in automatic dishwashing machine, 429 in automatic laundry washing machine,
422, 428-429 foam stabilizers, 429-431
electrolytes, 430 polymers and proteins, 430-431 surfactants, 430
inhibition, 20, 33-34, 37, 41 mechanism of foam stability, 429
Foam description quality, 420, 423 quantity, 420, 423 terminology, 420
Foam in consumer products, 419—432 Foam profile
according to product application, 421-423 automatic dishwashing, 423 bar soaps, 421 facial cleansers, 421 foam baths, 421 hand dishwashing, 422 hard surface cleaners, 423 household cleaners, 422 laundry cleaning, 422-423 shampoos, 421
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Index 791
[Foam profile] shaving foams, 422 shower gels, 421 toothpastes, 421
overfoaming, 423 quick breaking foam, 422
Foam properties with respect to product function, 419-420
in automatic dishwashing machines, 420, 423
in automatic laundry washing machines, 420, 422
in hard surface cleaners, 420, 422, 423 in shaving foams, 420, 422 in toothpastes, 420, 421
Force(s) depletion, 372-374 electrostatic, 663, 670 fluctuation wave, 377-379 hydrodynamic, 381-394 hydrogen bonding, 663, 666 hydrophobic interaction, 666, 667 ionic correlation, 366—367 London's dispersion, 663 oscillatory structural, 367-372 peristaltic, 379 protrusion, 377-378 repulsive hydration, 363-366 steric polymer adsorption, 374-377 undulation, 378-379
Fragrance {see perfume) Free energy
Gibbs', 108-109 microemulsion, 256, 258-260 partial molar, 108-109
Free oil, 14 Fungicide, 22
Germicidal surfactants, 8, 21, 22, 24 Gibbs dividing surface, 49-50 Gibbs equation, 51, 152, 305 Glutamic acid, 20 Glycerol esters, 37-38 Glycinates, 28-29 Glycol esters, 37-38
Hexagonal phase {see Liquid-crystal) Historical background, 253-256 HLB (Hydrophilic-lipophilic balance), 8, 19,
31-32, 37, 276, 281 HLB number, 32, 281 HLB temperature, 282 method for emulsion formulation, 192-196 required HLB, 281
Hydrolysis, 7, 8, 11, 16, 17, 19, 20, 21, 22, 28, 29, 37
Hydrophilic character, 7, 11, 26 Hydrophobic character, 7, 22, 41, 42 Hydrophobic effect, 48, 64 Hydrotrope, 15, 19, 25 Hypochlorite
analysis, 620-622 applications, 631-637 bleach, 619-629 chemical reactions, 622-628 history, 631
Imidazoline, 22-23, 24, 27, 28 In vitro tests,
cell culture, 477 corneosurfametry, 478 enzyme inhibition, 475 hemolysis test, 474 penetration test, 449, 475-477 pH rise test, 473 Skintex, 479 swelling test, 471 zein test, 471
In vivo tests, cumulative irritation test, 485 ethics, 481 extraction test, 489 flex wash test, 487 forearm wash test, 486 Frosch Kligman soap chamber test, 484 hand soaking test, 487 home use test, 488 modified soap chamber test, 485 occlusive patch test, 483 open application test, 482 stripping test, 489
Incrustation, 532-533 Indane, 14-15 Inhibitors
corrosion, 19-20, 21, 22, 23, 27 crystal growth, 539-540, 569-573
Interaction parameter, 149-151 Interactions
hydrophilic, 267-269, 293, 294 lipophilic, 267-269, 293, 294
Interface adsorption at, 104 thermodynamics, 332-342
Interfacial tension, 266, 285-286, 290 detergency, 67-69 liquid-liquid, 66, 67 methods, 87, 88
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792 Index
[Interfacial tension] and micellar structure, 68 microemulsion, 68, 88 middle-phase ultra-low tension, 285-286 and surfactant isomers, 285-286
International Fragrance Association (IFRA), 694
Inversion temperature (PIT), 282 Ionic polymers {see Poly electrolytes), 161 Ionic surfactants, 8-30
amphoteric, 28-30 anionic, 8-21 cationic, 21-28
Irritation evaluation
barrier function measurement, 449, 4 7 5 -477, 495-497
colorimeter measurement, 493-495 hydration measurement, 497-499 instrumental, 493-499 self perception, 499-500 visual, 491-492
factors affecting, 457, 500-504 histological changes, 460 prediction of, 445-446, 471-475 subclinical, 488-490 surfactant-induced, 457, 463
Isethionate, 18 Iso-NOBS, 604-605 Isoelectric point (IEP), 25, 28, 29, 78, 172 Isomer distribution in LAS, 14-15 Isoquinoleine, 24
Keratin, 21, 435, 443, 445, 470 Krafft
boundary, 111-115 point temperature, 134
L3 ("sponge") phase, 117-118 LAB, 14 Lamellar phase {see Liquid-crystal) Langmuir adsorption isotherm, 305-307 Lanolin, 35 Laplace equation, 86 LAS, 14-16, 33 Line tension, 347-351 Linear alkylbenzene (LAB), 14 Linear alkylbenzene sulfonates (LAS), 1 4 -
16,33 Lipids
epidermal lipids, 434, 437-442 extraction, 453, 475 molecular architecture, 440-442
[Lipids] role, 440, 475 skin surface lipids, 442
Lipophilic character, 7 Liquid-crystal(s), 261-263
cubic, 262, 263 discontinuous cubic phase, 119-120 hexagonal, 262 hexagonal phase, 119,122-123 isotropic, 263 lamellar, 261 lamellar phase, 120, 122-123 transition
lyotropic, 262 thermotropic, 262
Liquid-liquid interface, 66, 67 Lower consolute boundary {see Cloud point) Lower consolute temperature (LCT), 32 Lucassen-Reynders equation, 74
Malodorants chemical nature, 706-708 Malodors in products, 706
base malodors, 713 malodor-neutralizing chemicals, 710 perception mechanism, 708
Mass-balance equation, 310-312 MES, 17 Metastable
crystals, 113 Krafft boundaries, 113
Methyl ester sulfonates (MES), 17 Micelle(s)
growth, 379-381 polymer-surfactant interaction, 159 reverse or inverse, 67, 273 rod-like, 68, 262
Micellization effect of structure (chain length symmetry
and branching), 138-140 free-energy, 63-65 model, 60-63 surfactant structure relation, 57-60
Microemulsion and alkane carbon number (ACN), 284-
286 bicontinuous structure of, 264, 265, 268,
283, 297 components, 269-271 free energy, 256, 258-260 hydrophobic effect, 257 intermolecular forces, 256-258 middle-phase, 264, 265, 268
solubilization parameter, 290-292
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Index 793
[Microemulsion] salt effect, 283 surfactant to cosurfactant ratio, 274-275,
277- 279 terminology, 254-256 Winsor classification, 263-269
Microorganisms, 676, 679 Mineralization, 532-533 Mixed micelles, 25 Mixture, anionic-cationic surfactant, 133—
155 Molecular diffusion, 186 Monolayers, 303-418
flexural properties, 332-342 Morpholine, 24 Myristic alcohol, 30
Nonhydrocarbon surfactants, 40-43 alkoxylated polysiloxanes, 40-42 fluorosurfactants, 42-43
Nonionic polymers EO/PO copolymers, 31, 33-34, 41 polymer-surfactant interaction, 160, 161
Nonionic surfactants, 30-40 alcohols, 30-31 alkanolamides, 35-36
ethoxylated alkanolamide, 36 amine oxide, 40 esters, 36-40
alkyl carbohydrate ester, 39-40 of ethoxylated fatty acid, 36-37 (ethoxylated) glycerol ester, 37-38 (ethoxylated) glycol ester, 37-38 (ethoxylated) sorbitan ester, 38-39 (ethoxylated) sorbitol ester, 38-39
ethers, 31-35 alkoxylated alcohol, 31-33 alkyl polyglucoside, 34-35 EO/PO block copolymer, 33-34 ethoxylated oil and fat, 35
Non-phosphate builders, 511-595
Oleum, 12, 14 Omega ester sulfonate, 17 Organic acid, 9, 16, 22 Organosilicones, 40-42 Oxidizing agents {see Bleaching systems) Oxo-alcohols, 30 Oxo-process, 30 Oxygen bleaches, 597-617
Packing, 52, 57, 68 Paraffin sulfonates (PS), 13-14
Particle size determination, 210-217 Particulate soil, 7 Pearlescent agent, 37 PEG, 31, 33, 36-37 Pentaacetylglycoluril (PAG), 604-605 PEO alkylethers (polyoxyethylene alcohols),
51, 74, 91, 93 Peracids, 615-616 Perborates, 601 Percarbonate, 602 Perfume(s), 5, 691-720
absorption on inorganic solids, 700-701, 713-714
adaptation to the base, 704 antimicrobial properties of, 701 biodegradation of, 694 brief, 692 chemical and physical properties, 695-702 chemical reactions
in perfumes, 695, 696 with product base, 696, 697
chemical stability of, 696, 697 classification of, 693 color association with, 712 composition of, 691, 695 description of, 693 discoloration on storage, 716 in formulations, 713-718
containing hypochlorite, 717 fabric conditioner, 714-715 hard surface cleaners, 715-716 heavy-duty laundry powders, 713-714 light-duty laundry, 715 manual dishwash liquids, 716 soaps and syndet bars, 717-718
functionality: control of product base odor,
705-710, 716 impact of, 705 influence of on moods and emotion, 711 interactions with product base, 691 long-lasting, 703-705 microencapsulation, 698, 700-701 models, structures and jargon descriptors of
odors, 702-705 natural, norms and guidelines, 694 as oil phase of microemulsion, 716 phase partition of, 698, 699 physical chemistry of, 698-700 postaddition
impact on physical stabilty, 698 impact on viscosity, 698, 715
quality control of, 692 release, 701
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794 Index
[Perfume(s)] safety issues, 694 selection, 693 semiochemical properties of, 701-702 solubility in oil, 698 solubility in water, 698 stability testing, 694 substantivity, 699, 703-705, 706 toxicity issues, 694 volatility, 699
back, base, middle, head notes, 702-705 malodor counter action, 708-710 malodor masking, 709
Persalts, 600-602 pH, 643, 645, 657, 670 Phase
behavior, 263-269 diagram
CMC tie-line, 265 critical point, 263 tie-line, 263, 264 tie-triangle, 265
inversion temperature (PIT), 8, 282, 2 0 5 -206
middle, 264, 265, 268 miscibility gap, 258-260 pseudo-ternary phase diagram, 277 ternary phase diagram, 259 transition, 258-260
Phase diagrams in emulsion formulation, 199-204
Phosphate {see Builder) Phosphate esters, 18-20 Phosphating agents, 19 Phosphobetaine (Phostaine), 25 Pigment {see Colorant) Poloxamines, 26 Polyacrylate, 559-595 Polydimethylsiloxanes, 40-42 Polyelectrolytes {see Polymers), 157-179 Polyethylene glycol (PEG), 31, 33, 36-37,
160 Polymer(s)
adsorption, 164-165 on laundry fabric, 566-567
amphoterics, 767 for automatic dishwashing, 587-591 anionic, 764-766 basic description, 559-565 cationic, 766-767 in detergents, 559-595 in low-phosphate formulations, 574-579 natural, 770-777
[Polymer(s)] nonionic, 762-764 rheological behavior of water-soluble
polymers, 759-762 steric adsorption, 374-377 surfactant association, 157-179 in zero-phosphate formulations, 579-584
Polymer-surfactant interaction, 157-179 applications, 177-178 binding ratio, 160, 161 classification, 158 complex formation, 159, 160, 169 electrostatic, 161 free energy, 160 hexadecyltrimethylammonium bromide
(CTAB), 167 hydrophobic, 162, 166 lithium dodecylsulfate, 174, 175 polyacrylamide, 165 polyethylene oxide (PEO), 160, 169, 170 polystyrenesulfonate (PSS), 166 polyvinyl alcohol (PVA), 168 polyvinyl pyrrolidone (PVP), 159, 168,
172-178 sodium dioctyl sulfosuccinate, 175-177 sodium dodecylsulfate (SDS), 159-161,
163-166, 170-173 surface tension, 159
Polypropylene glycol (PPG), 31, 33, 36 Polysiloxanes, 40-42 PPG, 31, 33, 36 Preservation, 5, 743-755
evaluation methods, 753-754 principles, 751-753
Processing agents, 512-513 Propoxylated alcohols, 31 Propylene oxide (PO), 31 Protein
denaturation, 445-446, 471-475 helix, 666-667, 678 structure, 663-667
PS, 13-14 psi-Sulfo fatty acid ester, 17 Pyridine, 24
Quaternary compounds, 23-28 betaines, 25-26 heterocyclic ammonium salts, 24 tetraalkyl(-aryl)ammonium salts, 23-24
Quateraizing agents, 27
Random copolymer, 564 Research Institute for Fragrance Raw
Materials (RIFM), 694
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Index 795
Rheological modifiers, 5, 757-785 Rheology, 217-231
of adsorption monolayers, 326-332 of anionic-cationic surfactant mixtures,
144 creep, 221-224 oscillatory testing, 224-226 simple shear, 218-221 surfactants, 757-770 viscoelasticity, 220 of water-soluble polymers, 759-762
Rinse aid, 34 Ripening of colloidal dispersions, 105-106
Safety allergy, 641, 680-681, 683 of colorants, 738-740 environment, 643, 683-685 human, 641, 680-683 irritation, 680-683 textiles, 643, 683 toxicity, 681
Salting-out effect, 25 Sanitization (see Disinfection) Saponification, 9 Saponin, 39 Sarcosinate, 21, 28 SAS, 13-14 Schiff's Base, 695, 716 Secondary paraffin sulfonates (SAS), 13-14 Sedimentation, 187-188 Self-assembly structures, 271-276
polymers, 273 vesicles, 273
Sequestration calcium and magnesium ions, 567-569 criteria for efficacy of builders, 534-535
Shampoos (see Surfactant(s), in personal care applications)
Silicate adsorption at liquid-solid interfaces, 557 builder properties, 543-557 physical chemistry, 544-553
Silicon dioxide (amorphous), 781-783 Skin
animal skin, 448, 476 barrier function, 437-442, 448, 453-457,
475, 495-497 cells, 435-437 condition, 502 dryness, 450, 492 erythema, 491, 493 excised, 477, 479 function, 437-442
[Skin] inflammation, 458 lipids (see Lipids) penetration, 448 redness, 491, 493 roughness, 452 sensitivity, 501 site, 502 structure, 434-437 tightness, 452
SLS, 10-11 SNOBS, 604-605 Soap, 8-9, 17
as builder, 542-543 bar, 9, 14, 18
Sodium dioctylsulfosuccinate, 74-76 Sodium dodecylsulfate, 76, 79 Sodium lauryl sulfate (SLS), 10-11, 462 Sodium paraffin sulfonate, 93 Sodium xylene sulfonate (SXS), 15 Soil removal, 641-642, 659
mechanisms of, 642, 650, 668-669 Solid-liquid interface, 69-82
alumina, 166, i74, 175 hematite, 172-174 polymer adsorption, 164, 165 polymer-surfactant interaction, 165-177
alumina, 166, 174, 175 hematite, 172-174 quartz, 167 silica, 169, 170
quartz, 167 silica, 169, 170 silicate adsorption, 557 surfactant adsorption, 162-164
Solubility all-or-nothing, 126-127 boundaries in aqueous surfactant systems,
110-124 dodecyldimethylphosphine oxide, 125 of ethoxylate nonionics in water, 32 fundamentals of, 106-110 in hydrogen-bonding solvents, 126 liquid (see Cloud point) liquid crystal, 118-120 iV-dodecanoyl-n-methylglucamine, 121-122 nonaqueous, 124-127 nonionic surfactants, 123-124 product, 112-113 qualitative aspects, 107-110 quantitative aspects, 106-107 small crystals, 114 sodium palmitate, 122-123
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796 Index
[Solubility] surfactants, 99-131 variation with temperature, 120-124
Solubilization, 289-297 polymer-surfactant interaction, 178 triglycerides, 296-297
Solubilization capacity, 293-298 influence of alkanols, 294-296
Solubilization parameter, 290 Sorbitan esters, 37, 38-39 Sorbitol esters, 37, 38-39 Spreading
coefficient, 71 driving force, 72
Stability of builder properties over time, 516-517 of hypochlorite, 623-628
Stain removal {see Soil removal) Stratum corneum
structure, 435, 437, 440, 451 swelling, 446, 471
Sucrose esters, 37, 39-40 Sugar esters, 39-40 Sulfation, 10-11 Sulfobetaine, 25 Sulfonation, 12-14 Sulfone, 14 Sulfosuccinamate, 16-17 Sulfosuccinate, 16-17 Sulfur trioxide (S0 ), 12, 14 Sultaine {see Sulfobetaine) Sultone, 13 Superamide, 35 Surface
activity: effect of structure (chain length symmetry and branching), 138-140
aggregates, 92 excess concentration, 50-52, 56, 77, 92,
152 forces
electrostatic, 361-363 in thin liquid films, 357-381 van der Waals, 358-361
high-energy, 76-81 layer saturation, 103 low-energy, 70, 73-76 pressure, 54-56 roughness, 90 viscosity, 327-332
Surface tension, 181-182 dynamic, of anionic-cationic complexes,
152-153 equilibrium, of anionic-cationic
complexes, 148-152
[Surface tension] isotherm, 51 methods, 83-87
Surfactant(s) adsorption on solids, substantivity, 7, 8, 10,
21, 24, 27, 29, 30, 42 affinity difference (SAD), 281, 288-289 aggregation, 57 in agrochemical applications, 16, 17, 18,
20, 24, 27, 41 alkyl chain length, 453 amphoterics, 8, 28-30 anionic(s), 7, 8 -21 , 651, 671, 673 anionic-cationic mixture, 133-155
adsorption, 144 rheological behavior, 144 soluble pseudononionic complexes, 145-
153 based on (poly)glycosides, 34-35, 39-40 beneficial associations, 33, 40 cationic(s), 8, 21-28, 643, 673 chemical potential, 280, 288 classification, 8-43 colligative properties, change in, 58 compatibility with skin, mildness, 8, 10,
12, 15, 17, 18, 21, 24, 25-26, 27, 28, 29, 34, 35, 40
-critical association concentration (CAC), 159
ethymology , 7 in fabric softening applications, 8, 22, 2 3 -
24, 27, 29 in food industry, 38, 40 in hair conditioning applications, 8, 10, 21,
22, 23, 24, 27, 30, 42, 43 in household liquid cleaners, 10, 12, 14,
15, 20, 26, 30, 33, 36, 37, 40 in industrial and institutional applications,
14, 15, 16, 17, 20, 22, 27, 29, 33, 36, 37, 40, 41, 43
in laundry detergents, 8, 9, 12, 14, 15, 18, 26, 33, 34
in textile industry, 16, 17, 18, 20, 22, 27, 37, 40, 41
interaction with skin, 442-464 molecular weight, 453 nonionic(s), 8, 30-40, 673 occupied area, 51 in oral care applications, 12, 14 parameters, 284, 285 partition into phases, 276, 289 in personal care applications, 8, 9, 10, 11,
12, 14, 16, 18, 20, 21, 24, 27, 29, 30, 33, 34, 35, 36, 37, 38, 39, 40, 42
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Index
[Surfactant(s)] phase diagram of insoluble complexes,
136-138 polar head group, 453 polymer interaction {see Polymer-surfactant
interaction) self-thickening, gelling effect, viscosity
builders, 7, 11, 12, 34, 35, 36, 38, 40 sensitivity to water hardness, 7, 12, 18, 19,
20, 25, 28, 29, 33, 34, 37 solubility, 99-131
of ethoxylate nonionics in water, 32 practical utility, 101-104 role in product performance, 101
structure, 133-134, 285, 286 suppliers list, 43-46 surface excess concentration, 50-52, 56,
77, 92, 152 usage as foam inhibitors, 20, 33-34, 37
SXS, 15 Syndet bar, 18 Synesthesia, influence on perfume selection,
711-713
TAED, 606-615 biocidal efficacy, 612—615
TAGU, 604-605 Taurate, 18 Tauride, 18, 28 TEA, 9, 15, 21 Temperature, 658, 661-662, 669-670, 676
solubility variation, 120-124 stability of colorants, 734
Terpenes, 715-716 Tests on animals, 480 Tetraline, 14-15 Thickeners
associative, 777-778 inorganic
alumina, 783 amorphous silicon dioxide, 781-783 clays, 778-781
organic, 770-777
797
Thin liquid films, 303-418 hydrodynamic forces, 381-394 stabilized by surfactants, 342-357 surface forces in, 357-381 thermodynamic description, 343-346
Tie-triangle, 265 Toxicology
of colorants, 738-740 of perfumes, 694
Transepidermal water loss (TEWL), 454 Transitions
lyotropic, 262 thermotropic, 262 Winsor diagrams, 263-269
Tricritical point, 260, 293 Triethanolamine (TEA), 9, 15, 21 Triglyceride(s), 35, 73, 75, 91, 296-297
Upper consolute temperature (UCT), 32
Vesicle(s), 273, 297 of anionic-cationic surfactant complexes,
140-142
Water hardness, surfactant sensitivity, 7, 12, 18, 19, 20, 25, 28, 29, 33, 34, 37
Wave, capillary, 394-404 Wetting, 69-82
capacity, 42-43 and cleaning process, 81-82 nonpolar surfaces, 72-76 polar surfaces, 76-81 thermodynamics, 69-72
Whitening, laundry, 635 Winsor diagrams, 263-269
Young's equation, 71
Zeolites {see Builders) Zeta potential determination, 206-210 Ziegler process, 13, 30 Zwitterionic behavior, 25, 28, 30
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