Interaction of a non-aqueous solvent system on bamboo,
cotton,polyester and their blends: the effect on abrasive wear
resistanceMuhammet Uzuna,b, Karthick Kanchi Govarthanama,c,
Subbiyan Rajendrana,n,Erhan SancakbaInstitute for Material Research
and Innovation, The University of Bolton, Bolton, BL3 5AB, United
KingdombDepartment of Textile Education, Marmara University, 34722,
Goztepe, Istanbul, TurkeycFothergill Engineered Fabrics,
Littleborough, OL15 0LR, United Kingdoma rti cle in foArticle
history:Received 4 June 2014Received in revised form20 October
2014Accepted 22 October 2014Available online 31 October
2014Keywords:Trichloroacetic acid-Methylene
chloridemodicationPolymer modicationBambooOrganic
cottonPolyesterAbrasive wear resistanceabstractThis article
investigates the use of Trichloroacetic acid-Methylene chloride
(TCAMC) solvent system witha view to study the abrasive wear
resistance of bamboo, cotton, organic cotton, polyester (PES),
cotton/bamboo and polyester/cotton blended woven fabrics. The
fabrics were treated with different concentra-tions of 1%, 5% and
10% of TCAMC for 5, 30 and 60 mins at room temperature. Martindale
Abrasion Testerwas employed to test the abrasive wear resistance of
fabrics. The weight loss of fabrics was checked
afterevery1000abrasivecycles. Theresultssuggest that
thebamboofabric, without
TCAMCtreatment,possessesanabrasivewearresistancethat
iscomparabletothatof organiccottonfabric.
However,cotton/bambooblendfabricwasfoundtohaveenhancedabrasion
wearresistancethanthatof100%bamboo fabric. The results also
indicate that the TCAMCtreatment enhancedthe abrasionwearresistance
of 100% bamboo and 100% organic cotton fabrics. The treatment does
not inuence the wearresistance of 100% cotton and its blends. The
abrasive wear resistance of untreated polyester (PES)
fabricwastestedandcomparedwithcellulosicsanditwasfoundthatPESpossessedhigherabrasivewearresistance.
However, the abrasive wear resistance of TCAMC treated PES
decreased considerably.& 2014 Elsevier B.V. All rights
reserved.1. IntroductionThe interest in sustainable and organic
natural bres hasincreasedsignicantlyintherecentyears. Amongnatural
bres,bamboobre is considered as more environment friendly becauseof
itsquickdegradability. Bamboobresarelignocellulosicandthey are very
soft, have higher dye take-up, antimicrobial,
requirenopesticideduringplantingandareclassedasorganic.
Bamboobresareusedinvariousapplicationssuchastextilegarments,textilereinforcedcomposites[14].Theycanbeblendedwitharange
of syntheticbres such as polypropylene, polyamide, polye-ster and
polyolen. Blended yarns and reinforced
compositescontainingbamboobrespossessenhancedthermomechanicalcharacteristics,
impact resistance, exural modulus, oxygenper-meation, chemical and
moisture properties [5]. Although bamboois an emerging naturalbre,
cotton is still dominated for a varietyof applications. However,
cottonis not consideredtobe fullyenvironment friendlybre as it is
highly susceptible to infestation.Itisreported[68]thatmorethan10%of
pesticides(includingherbicides,
insecticidesanddefoliants)areusedoncottoncrops.Organic cottonis
fullyenvironmental friendlybecause it doesnot
involvegeneticmodicationof theseedsorpesticidesandchemical
fertilisers. Productionof organic cottonhas superioradvantages for
the environment but is more expensive thannormal
cottonduetotheincreaseinproductioncostandlowerefciency.
Duetotheeconomicandefciencyreasons, organiccotton production
currently is around 1% of all the normal cottoncrops in the world
[910].The abrasion and tensile strength of textilebres depend
mainlyonmolecular structure(crystallineandamorphous regions)
andarrangement of molecular chains inbres. The properties of
brescanbeimprovedeitherbychangingtheirgeneticcharacterorbysuitablechemical
modicationtoreorganisebrestructure. Sincechangingbre genetics is a
time-consuming long-term process, thesurface modication by using
suitable chemicals is mostly preferred[11]. Inaddition,
themechanical propertiesof cottoncanalsobeaffected by convolutions,
spiral angles, structural reversals, strengthof inter-brillar bonds
andinherentstrains. Thepresenceofweaklinks in cottonbre,which
depends on the growth of cotton, alsoaffects the tensile
properties.. It is known that increase in moisturecontent of
cellulosic bres increases the tensile strength
andelongation.Moisture allows the residual stresses present in
cottontorelaxandhencetheincreaseintensileproperty[12]. Amongvarious
properties, abrasivewear resistance is consideredtobeContents lists
available at ScienceDirectjournal homepage:
www.elsevier.com/locate/wearWearhttp://dx.doi.org/10.1016/j.wear.2014.10.0060043-1648/&
2014 Elsevier B.V. All rights reserved.nCorresponding author. Tel.:
44 1204 903559; fax: 44 1204 399074.E-mail address:
[email protected] (S. Rajendran).Wear 322-323 (2015) 1016crucial
during weaving and for determining the durability of
fabrics,apparelsandgarments.Itshouldbe mentionedthatcellulose
andcellulosic blends inuence the abrasive wear resistance. For
instance,the abrasive wear resistance of bamboobres and their
blends withcottonareinferiortothatofviscose
andtheirblendswithcottonalthough thesebres are cellulosics
[1316].Itisknownthatthefunctional propertiesof
wearabletextilesdepend on bre types, polymer molecular structure
andfabricstructures. It is possible to alter the properties of
polymeric materialsbysolvent-polymer-modicationprocess.
Oneapproachthat hasbeen explored to a considerable extent is the
structural modicationof regular polymeric bres making use of highly
interacting solvents.It
hasbeendemonstratedthattheinteractingpowerof Trichlor-oacetic
acid-methylene chloride (TCAMC) solvent system with Poly-ethylene
terephthalate (PET) is very high and the regent attacks
thepolymermatrix, disintegratesandnallydissolvesoutthePET
atabout25%(w/v)concentrationin5 minutesatroomtemperaturecondition
[1721]. It is expected that at certain lower concentrationof TCAMC
treatment, the compact structure of PET opens up and as aresult,
molecular rearrangements may take place. Due to
thispolymericchange, severalphysico-chemicalpropertiesofthe
yarncould be modied. Accordingly it can be explained that the
solubilityparameter of TCAMC reagent is very close to the
solubility parameterof PET. It was hypothesised that at certain
lower concentrations ofTCAMCtreatment the compact structure of
polyester opens up[1721]. Theeffectof
TCAMConcellulosicssuchascottonyarnswerepublishedelsewhere[11]. It
is concludedthat theTCAMCreagent modies the internal structure of
the cellulose and conse-quentlythisaltersthemechanical andphysical
propertiesof thebres. Inthisarticle, theinuenceof TCAMCreagent
onfabricsmade from bamboo, normal cotton, organic cotton and their
blendswithpolyesterarediscussed.
ItisexpectedthattheactionoftheTCAMCreagent
onbambooandcottonwouldnot bethesamebecausethebamboo, beingabast
bre, contains not onlypurecellulose but also signicant amount of
non-cellulosic constituentsthat include lignin. This signicantly
affects the abrasive wearresistanceof materials. It
shouldbestressedthat thechangeinwear resistance of fabrics due to
TCAMC treatment has beenthoroughly investigated but the effect of
the reagent on pilling hasnot been studied although abrasive wear
leads to pilling.2. Experimental2.1. MaterialsPlainwovenfabrics
that possess thefollowingdimensionalproperties (Table 1) were
procured in the UK.2.2. TCAMC treatmentThe laboratory grade
Trichloroacetic acid (CCI3.COOH), Methy-lenechloride(CH2.CI2),
andAcetone(CH3.CO.CH3)wereusedfortreatingthefabrics.
Topreparethereagent, desiredamount
oftrichloroaceticacidisweighedandaddedinto100 mlofmethy-lene
chloride. For example, 1% concentration is prepared by mixing1 g of
trichloroacetic acidwith100 ml of methylene
chloride.Thefabricspecimens of 100 mm100 mmwerepreparedandweighed.
Pre-treatment of these fabrics with reagent was carriedout in a
specially made closed trough at room temperature
(20oC).Thefabricspecimenswereimmersedinthereagent of
desiredconcentrations of 1%, 5%and10%(w/v) for 5, 30, and60
mindurations.
Thefabricstosolventratioweremaintainedat1:100andthecontentswereshakenmanuallyat
regular intervalstoensureuniformtreatment. After the treatment, the
specimenswere rinsed with pure methylene chloride followed by
acetone toremoveanyadheringreagentonthefabrics.
Thetreatedfabricsweresqueezedandair driedat atmospheric condition,
takingadvantage ofthe quick evaporation of acetone at room
tempera-ture [22].2.3. Abrasive test specimen preparation and
testingThe test was performed using Martindale Abrasion
Tester(James Heal Abrasive Cloth SM25) (Fig. 1) in accordance with
ENISO 12947-2:198. Standard wool abradant fabrics were used whichis
plain weave with warp 17 yarns/cm and weft 13 yarns/cm.
Theabradantwaskeptsameforeachsamplebutthenewabradantwas used for
every new sample. The abrasion test was carried outatve replicates
for each sample. Before testing, the fabrics wereconditionedfor24
hoursatatmosphericconditionsof20 1Cand65%RH. The abrasive wear test
determines the resistance toabrasionoftextilefabrics.
Themeasurementoftheresistancetoabrasion of textile fabrics relies
on several parameters such as themechanical properties
ofthebres,the dimensions ofthebres,the structure of the yarns, the
construction of the fabrics, the typeand kind ofnishing
[2223].Firstly the treated and untreated fabrics specimens were cut
intocircular specimens of 38 mmdiameter usingapress cutter
andplaced on the specimen holder. The test was performed at
apressureof 9 kPaandduringthat timethemachinespeedwasmaintained at
50 rubs per minute. After every 1000 rubs,
sampleswereweighedtodeterminetheweightlossduetoabrasion.
Thefrequencyatwhichthetestwasstoppedatevery1000rubshasbeen
optimised from previous experience by utilising similar fabricson
Martindale Abrasion Tester. The endpoint was determined by aTable
1Fabric properties.Fabrics 100% Bamboo 100% Cotton 100%Organic
Cotton 100% Polyester 70% Bamboo 30% Cotton 65%Polyester
35%CottonWeight (g/m2) 177.56 160.94 157.72 213.92 199.23
200.15Height (mm) 0.20 0.45 0.35 0.45 0.25 0.15Bulk density (g/m3)
0.888 0.358 0.451 0.856 0.443 1.334Fig. 1. Martindale abrasion
tester.M. Uzun et al. / Wear 322-323 (2015) 1016 11specied number
of cycles or the formation of a hole in thespecimen's test area,
whichever comesrst.3. Results and discussion3.1. Effect of TCAMC
treatment on fabric
structureThechangesinthenumberofends(warpthreadspercenti-metre) and
picks (weft threads per centimetre) of normal cotton,organiccotton,
bamboo, PESandblendsafterTCAMCtreatmentare depicted in Table 2 and
Table 3 respectively. It can be observedthat
therearenonoticeablechanges intheends andpicks
ofcellulosicfabricsafter theTCAMCtreatment, irrespective
ofcon-centrationandtime. However, theendsandpicks of
syntheticfabric (100% PES) increase with increase in concentration
and time.A maximum of 11% increase in ends and 15% in picks are
observedin the case of 10% at 60mins. A similar increasing trend is
also seenin the case of treated PES/cotton blended fabrics but the
extent ofincreasein ends and picks is decreased when compared to
plain100%PES treatedfabric. Thiscouldbeexplainedby thefactthatthe
interaction of TCAMC with the PET polymer is higher than thatof
cellulosicbre. The high interaction of PET polymer and
solventsystem may be linked with their solubility parameter values.
It
ispublishedelsewhere[13]thattheinteractionofthesolventandthepolymerishighwhenthesolubilityparametervalueof
thesolvent is close to the solubility parameter valueofthe
polymer.ThechangesinendsandpicksofTCAMCtreatedPESfabricsaremainlyduetothechangesinthemorphologyof
bresandnestructure of bres. The morphological structure of
cellulosics andpolyesterisdescribedindetail elsewhere[24].
Increaseinendsand picks in a specic area of fabric after the
treatment isexplainedbythefactthatthediameterofyarnisinuencedbythe
treatment andconsequently the bres swell, followedbyshrinks, and
ultimately the fabric structure tightens which resul-ted in high
number of ends and picks.3.2. Effect on abrasive wear resistanceThe
abrasive wear resistance of normal cotton, organic cotton,bamboo,
polyester and blends are depicted in Table 4. It should bementioned
that the extent of damage due to abrasion
wasinspectedvisuallyandspecimenswereweightedat theendof1000 rubs
interval, and found that there is no noticeable abrasivewear in all
the fabrics up to 10000 rubs. However, it is observedthat the
treatedorganic cottonshows the appreciable signofdegradation after
10000 rubs irrespective of treatment concentra-tionandtime(Fig.
3c). After25000rubs, theuntreatedorganiccotton fabric started
deteriorating whereas untreated normalcotton, bamboo, polyester and
blends fabrics withstand theresistanceagainstabrasion(Fig. 3a-f).
ItisobviousfromTable4that after 32000rubs, unlikenormal cotton,
bamboo, PESandblends, the organic cotton did not resist the
abrasive
force,perhapsduetolessnumberofpicksinaspecicarea(Table3)and
consequently the fabric structure is severely deteriorated.After
34000 rubs the 100% bamboo fabric was damaged,(Fig. 2a). At
70000rubs cotton, cotton/bambooandpolyester/cotton blended fabric
showed a few weak points but after 90000rubs they are severely
deteriorated (Figs. 2b, h, i) and thus ceasingits resistance to
abrasion.The TCAMC treatment helps to enhance the abrasion
propertiesof organic cotton, the probable reasons are discussed in
thefollowing sections. Fig. 3.After
100.000rubs100%Polyesterstillhasnot abraded. 100%PES based fabrics
were subjected to 250.000 rubs tond the effectof TCAMC treatment on
the fabrics. It can be observed from Table 4that
theabrasivewearresistanceof polyesterdecreasedasthetreatment time
and the concentration increased. It has beenshowninprevious
studythat, at extremetreatment condition(5%TCAMC),
theabrasivewearresistanceof at polyesteryarnincreased four times
than that of the control [24]. It is well knownthat PETbres are
partially crystalline in nature and are comprisedof
repeatedethylenesegment units as well as aromatic rings,which
inuence the intrinsic stiffness of the chain [25]. Thecurrent study
was conducted on 100% Polyester fabric. It is likelyTable 2Number
of ends per centimetre in treated and untreated
fabrics.Untreatedfabrics5 mintreatment30 mintreatment60
mintreatment1% 5% 10% 1% 5% 10% 1% 5% 10%100% Cotton 30 28 30 30 30
30 31 30 30 30100% Organic cotton 36 36 36 36 38 36 36 36 38 38100%
Bamboo 60 60 60 62 58 60 58 60 60 5870/30% Bamboo/Cotton70 70 73 72
72 70 72 72 70 70100% Polyester 27 28 28 27 31 29 28 30 30 3065/35%
Cotton/Polyester41 40 40 40 40 42 42 42 40 44Table 3Number of picks
per centimetre in treated and untreated fabrics.Untreatedfabrics5
mintreatment30 mintreatment60 mintreatment1% 5% 10% 1% 5% 10% 1% 5%
10%100% Cotton 26 25 25 25 25 25 25 25 26 26100% Organic cotton 13
12 12 12 12 12 12 13 12 12100% Bamboo 44 44 46 44 46 44 46 46 42
4670/30% Bamboo/Cotton44 45 46 44 46 45 46 46 44 46100% Polyester
27 26 28 25 30 29 26 30 30 3165/35% Cotton/Polyester24 24 26 24 24
26 26 24 25 26Table 4Effect of TCAMC treatment on abrasive wear
resistance on cellulosics and polyester.Untreated fabric 5 min
treatment 30 min treatment 60 min treatment1% 5% 10% 1% 5% 10% 1%
5% 10%100% Cotton 90000 90000 90000 90000 90000 90000 84000 90000
90000 90000100% Organic cotton 32000 44000 54000 52000 44000 52000
34000 46000 54000 52000100% Bamboo 34000 30000 44000 36000 48000
40000 28000 40000 42000 4000070/30 Bamboo/Cotton 90000 90000 90000
90000 90000 90000 70000 84000 90000 90000100% Polyester 250000
235000 175000 140000 210000 160000 140000 210000 160000 10000065/35
Cotton/ Polyester 100000 100000 100000 100000 100000 100000 100000
100000 100000 100000M. Uzun et al. / Wear 322-323 (2015) 1016
12that the action of solvent on fabric would be different from that
ofat polyester yarn published earlier [24].There has been no
noteworthy difference betweencontrolandTCAMCtreatedcotton,
cotton/bamboo,
cotton/polyesterandpolyesterfabricsintermsofabrasion. But,
100%bamboofabric'sabrasivewear resistance increasedby25%andorganic
cottonfabric'sabrasivewearresistancealsoincreasedby35%with5%TCAMCtreatmentfor
5 min.It isfound,in previous studies,
thatthecottonyarnstreatedwithTCAMCpossesseshigherworkofrupturethantheuntreatedcontrol
ones. Thereis asignicantincrease inbre cohesion of treated sample
over the control. Theincrease of abrasion properties of fabrics can
also be explained bythe higher elongation and increase in work of
rupture of TCAMCtreated yarns [12].The current test results show
that the bamboo fabric is capableof sustaining abrasion at par with
organic cotton fabrics and bothof
themgainedenhancedabrasivewearresistanceafterTCAMCtreatment due to
their cellulosic nature. It can be explainedthat cellulosicbres,
after treatment with TCAMC solvent
system,increasesthecohesionbetweenbresandwhichcontributestothe
increase inabrasive wear resistance andstrength. This
isfurthersupportedbythesurfacemodicationof bresobservedonSEM(Fig.
4). Previous researchhas also shownthat suchtreatments increase the
cohesion betweenbres [17,18].3.3. The weight loss of fabricsThe
percent weight loss, which is the difference between speci-men mass
before and after abrasion, as shown in Table 5. The weightof
thefabricafterevery1000rubsisshowninFig. 3(A-F). Itisobservedthat
theweight loss of 100%bamboofabricincreasedsubstantially after
TCAMC treatment. Similarly the increase inweight loss is also
observed in normal cotton irrespective of treat-ment time
andconcentrationexcept 10%treatment for 60 min.Besides, it is also
observed there are considerable differences noticedbetween
treatments of normal cotton (Fig. 3(A)). It can also be seenthat
the rate of weight loss is comparable between organic cottonand
bamboo. Similar observation is also observed in normal cottonand
its blends.Fig. 2. Structural damage of untreated and treated
samples due to abrasion (A). 100% Bamboo after 34,000 rubs
(untreated) (B). 100% Cottonafter 90,000 rubs (untreated),(C). 100%
Organic Cottonafter 32,000 rubs (untreated) (D). 100% Bamboo after
40,000 rubs (treated) (E). 100% Cottonafter 90,000 rubs (treated)
(F). 100% Organic Cottonafter52,000rubs(treated)(G).
100%Polyesterafter250,000rubs(untreated)(H).
70%Bamboo/30%Cottonafter90,000rubs(untreated)(I).
65%Cotton/35%Polyesterafter100,000 rubs (untreated) (J). 100%
Polyester after 100,000 rubs (treated) (K). 70% Bamboo/30% Cotton
after 90,000 rubs (treated) (L). 65% Cotton/35% Polyester after
100,000rubs (treated).M. Uzun et al. / Wear 322-323 (2015) 1016
13It can be observed that the weight loss of 70/30
bamboo/cotton(Fig. 3(D)) is similar for up to 40,000 rubs and the
difference becomesnoticeable after 40,000 rubs.Whereas,the weight
loss was similarforupto60000rubsfor 100%cotton(Fig. 3(A)).
Similarly, 100%bamboo(Fig. 3(B)) and100%organiccotton(Fig. 3(C))
lost theirweight at asimilarrateforupto15%and20%respectively.
Theweight loss between samples is at acceptable levels.In the case
ofpolyester, both control and treated, the fabrics withstand the
abrasiveforcesupto50,000rubswithout
noticeablechangesinlossb/wsamples and beyond that the change in
weight loss is not noticeable.3.4. Scanning electron microscopy
studiesThe surface characteristics of the fabrics were
investigatedbefore and after treating the fabrics, with different
concentrationsof the solvent system over different time periods, by
SEM (HITACHIS-3400) in the normal mode. All the fabric specimens
werexedbyadhesivetapeontothesampleholderandwerecoatedwithgold by
using Sputter Coater (SC 7620). Fig. 4 represents the SEMimages of
fabrics treated at 10% for 60 min.SEM examination of 100% bamboo
fabrics (Fig. 4A &D) revealsthat there is no swelling but there
are changes in thebre structurewhich makes the bre surface
smoother. One possible explanation isthe treatment removes the non
cellulosic constituents from bamboo[10].
Thisissubstantiatedbytheincreaseinthenumberof rubsduring abrasion
from 34000 to 40000. It can also be observed thatthe convolutions
on the surface of the 100% organic cotton treatedwiththe reagent
(Fig. 4andF) are increasednoticeably
whencomparedwithuntreatedones.Itislikelythatthiscontributestothe
increase in the abrasive wear resistance of 100% organic cottonfrom
32000 to 52000 rubs. Similar trend is also observed on
treated100%normal cotton. However,
thedegreeofincreaseinconvolu-tions in the treated normal cotton is
less and therefore the abrasivewear resistance is unaffected.4.
ConclusionsTheinuenceofTCAMCreagentonabrasivewearresistanceoffabrics
made from normal cotton, organic cotton, bamboo, polyesterandits
blends has beeninvestigated. Different concentrations
ofTCAMCreagentwereusedforvaryingtimestostudytheeffectofstructural
changes andits inuences onabrasivewear resistance.TCAMCreagent
interacts withthe bres byopeningthe brillarinterstices and entering
the interlinking regions between crystallites,and changes their
surface characteristics. It can be observed that
theabrasivewearresistanceof 100%bamboofabricincreasedby25%when
treated with 5% TCAMC for 5 minutes or 1% TCAMC treatmentfor 30
minutes. The abrasive wear resistance of treated organic
cottonfabric increased irrespective of concentration of reagent and
time. It
isalsoobservedthatthechangeinabrasivewearresistancebetweenorganic
and normal cotton is mainly due to the difference in numberof ends
and picks in a specic surface area. It is established that theTCAMC
reagent increases the abrasive wear resistance of both
bamboo0.190.200.210.220.230.240.250 20 40 60 80 100Weight
(grams)No. of Rubs ('000)100% Normal CottonUntreated Fabric1% -5
min5% -5 min10% -5 min1% -30 min5% -30 min10% -30 min1% -60 min5%
-60 min10% -60 min0.110.130.150.170.190.210 10 20 30 40 50Weight
(grams)No. of Rubs ('000)100% BambooUntreated Fabric1% -5 min5% -5
min10% -5 min1% -30 min5% -30 min10% -30 min1% -60 min5% -60 min10%
-60 min0.110.130.150.170.190 20 40 60Weight (grams)No. of Rubs
('000)100% Organic CottonUntreated Fabric1% -5 min5% -5 min10% -5
min1% -30 min5% -30 min10% -30 min1% -60 min5% -60 min10% -60
min0.130.150.170.190.210.230.250 20 40 60 80 100Weight (grams)No.
of Rubs ('000)70/30 Bamboo/Cotton Untreated Fabric1% -5 min5% -5
min10% -5 min1% -30 min5% -30 min10% -30 min1% -60 min5% -60 min10%
-60 min0.180.190.200.210.220.230.240.250.260.270 20 40 60 80
100Weight (grams)No. of Rubs ('000)65/35 Polyester/Cotton Untreated
Fabric1% -5 min5% -5 min10% -5 min1% -30 min5% -30 min10% -30 min1%
-60 min5% -60 min10% -60 min0.200.250.300.350.400 50 100 150 200
250Weight (grams)No. of Rubs ('000)100% PolyesterUntreated Fabric1%
-5 min5% -5 min10% -5 min1% -30 min5% -30 min10% -30 min1% -60
min5% -60 min10% -60 minFig. 3. (A). Weight loss of 100% cotton
fabric treated with TCAMC (B). Weight loss of 100% bamboo fabric
treated TCAMC (C). Weight loss of 100% organic cotton fabric
treatedwith TCAMC (D). Weight loss of 70/30 bamboo/cotton fabric
treated with TCAMC (E). Weight loss of 70/30 polyester/cotton
fabric treated with TCAMC (F). Weight loss of100% polyester fabric
treated with TCAMC.M. Uzun et al. / Wear 322-323 (2015) 1016 14and
organic cotton fabrics. However, the degree of interaction
betweenthe reagent andthe normal cottonis less
andconsequentlytheabrasion is unaffected. In the case of blends, a
noticeable increase
inabrasivewearresistancewasobservedin70/30bamboo/cottonbutthe 65/35
cotton/polyester blendedfabric was unaffectedby theTCAMCtreatment.
Theabrasivewear resistanceof 100%polyesterfabrics is considerably
decreased due to the TCAMC treatment.The effect of TCAMC on the
weight loss is negligible in most ofthe fabrics which were analysed
in this study. The highest weightloss changes were observed in
normal cotton fabric that is around10%. The above conclusions were
further conrmed by comparingthe SEM images of thebres, before and
after treatment.AcknowledgementsThe study is supported partly by
The Turkish Council of HigherEducationincollaboration
withMarmaraUniversity, Turkeyandthe University of Bolton,
U.K.References[1] I.R. Hardin, S.S. Wilson, R. Dhandapani, V.
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270273.Fig. 4. Comparison of SEM morphologies of fabrics before
treatment and after treatment with 10% TCAMC solvent system for 60
min. (A). 100% Bamboo before (B)
100%Cottonbeforetreatment(C).100%Org. Cottonbeforetreatment(D).
100%Bambooaftertreatment(E). 100%Cottonaftertreatment(F). 100%Org.
Cottonaftertreatment(G). 100%Polyester beforetreatment (H).
70/30%Bamboo/Cottonbeforetreatment ,
(I).65/35%Polyester/Cottonbeforetreatment (J).
100%Polyesteraftertreatment(K). 70/30% Bamboo/Cottonafter treatment
(L). 65/35% Polyester/Cotton after treatment .Table 5Weight loss
percentage of TCAMC treated samples.Untreated fabric 5 min
treatment 30 min treatment 60 min treatment1% 5% 10% 1% 5% 10% 1%
5% 10%100% Cotton 10.6% 20.1% 12.3% 12.0% 20.9% 13.9% 19.9% 12.0%
10.1% 8.0%100% Organic cotton 24.0% 20.4% 27.6% 22.6% 28.0% 27.6%
29.7% 20.7% 19.5% 16.8%100% Bamboo 28.7% 31.3% 32.1% 33.8% 33.1%
30.2% 35.5% 30.1% 31.1% 26.3%70/30 Bamboo/Cotton 19.4% 37.3% 24.1%
16.5% 24.8% 32.8% 36.0% 32.3% 23.9% 17.0%100% Polyester 5.2% 5.5%
4.4% 6.2% 5.5% 8.0% 5.5% 5.9% 12.0% 9.1%65/35 Polyester/Cotton
10.6% 12.4% 10.8% 9.7% 14.8% 10.8% 15.2% 12.8% 10.2% 8.2%M. Uzun et
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