COIR FIBRES ex!.3rp r)i llrc Ir L] r ot .o.oDul pa|f, cocos nucllra lt irnt. rhese liLrre\ ar. !'id€lt c!lIrared jrr rtre tIi)ti.s, p.r itutart\ ii indin. Sri LaJilia, Nfalnrsta, lf d!.esia ard thiti!!rirj(js. Ilorlertr Indi! and Sritanta a.c the mair r)r!duce.\.t C!i, liLrres aft targclr ur.d nr tlt nianul cl re |t r!dr..o ale nnd \.nle raDge .llur ishinus srrh as !rats, !rartiDgs. r(.qs. .rr!e1s. .asJiinnll! lDsLrtatior.r.l irn. i( a !thg rrateriats, l tre rhlsical chrra.i!,rist, s !iid Jheuri.rI .omDosilt.Lrsr.1 thc sflirrliDg qrialjrt ,: .::: br lhe a.r o. r)t enzr nrij r.:r: lhe !reserl sr,jdr ha. beeD c.rfti(red q,iltr alie\ I l a.hie!c subnaltial redu.lilrl h Lhe risidil\ ot c.tr tihres tliron!:h a!!r!pri!le srtreDtDg r'hi.lr is essfDtirt or loir sritinil! thr!ugh Itgh sp€cd Softening of coir fibres Physical and chemical impurities Present in coir fibres Il(.cluni(:alty erlJ ad ed and r€tr{,d.oir titrr.s werc rcsted Ibr rhe le.rrh !iisrtbn dllli!'uh. HeDce. n,lte,,ingotejiJ Uhres is neccssarr to cnhanc. thetr spinnabitill: s.mr rei.ar.il srodi(s wG (D,iucr(d cdicr tu inpro|e (tie {ttn(js.I.oir ibrcs lad'narabh!nCVr ha.l1rie.L ilittr oil!n.l $aler Bhal I \' et ai'ha.l trse(t Dicr. o.ganisms ard prabu lt\.had u{,d nnD! orga.l. ird iDorganic .trelr cal\ lo lion an(l prcsence .t ptrr si.a r,,r.j :::: mi.al jnprriric\ u!ios an.tr ir:: . . lhodsr'.T|c.e\uh!!r.!jr:!r:: :-. _. \Ic( haric. , .\ rrar:: , h!!,e fhlsn.at !rd .her,:. i .,... , .. ll fic hrne ol li , tJ,ir-r::.:::::::.:. iitr.es. rhe e\1.n. .,: ::I:::i ::. i :: i :. llN a( ar{nrf.l j \ irn!nire rhe llcxjbititl o1 .o I libres. lD all Llj.se re.tjdqucs llcribilit)- of roj, litr.es t,as improir.d ro unc e\tcDr. bul rh. imp.oichenl \,as Dor Il )uDd s!llicictlt lo ctr|an.c t|c spirnabilitr ol ..i, larlier, Slt R-\ condtrclcd erlensire trial5 0I solleDine ol pti.aprle l.nl fibr.s 111r.Fr lor: rds efhar.ifg its \!iDrabllttr!, Studics \ ere llso.arried our t. imtr olc Length/Breadrh reito rL B Exrension ai b.ea ( r!.) Flerural rlOidiiy lovnes,cm:) Moistur€.€sain ar 6sot RH 95.O 3 5.0 2ao 0.45 2a.a 200 o 40.0 10.50 Softening of coir fibres to rmprove flexibility _ KAvijayakumar and M Kvittopa The SoLth tnd a Texule Fesearch Associat of (S TFA). Co mbalore 64j 014 . ,ir librc arc !ro\,id(rt n T,tbt.,s I hD.t -l /rae 10 drc prcsence 0t hiEh qLartitr rlli!rif. !,ir libre ts rery.hard. lir aus; The present study has been conducted with a view to achieve substan_ tial reduction in the rigidity of coir fibres thlough appropriate softening which is essen- tial for coir spinning through high speed spinning machinery. ilhe nilari\,eb. lorer lcnerhrbrcadth :nrio slinning o1 .oir llbrcs is rather Asian Textile Journat . S"pt".Oo:OOe . aS-
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COIR FIBRES
ex!.3rp r)i llrc Ir L] r ot.o.oDul pa|f, cocosnucllra lt irnt. rhese liLrre\ar. !'id€lt c!lIrared jrr rtretIi)ti.s, p.r itutart\ ii indin.Sri LaJilia, Nfalnrsta,lf d!.esia ard thiti!!rirj(js.Ilorlertr Indi! and Sritantaa.c the mair r)r!duce.\.t
C!i, liLrres aft targclrur.d nr tlt nianul cl re |tr!dr..o ale nnd \.nle raDge.llur ishinus srrh as !rats,!rartiDgs. r(.qs. .rr!e1s..asJiinnll! lDsLrtatior.r.lirn. i( a !thg rrateriats, l trerhlsical chrra.i!,rist, s !iidJheuri.rI .omDosilt.Lrsr.1
thc sflirrliDg qrialjrt ,: .:::br lhe a.r o. r)t enzr nrij r.:r:
lhe !reserl sr,jdr ha.beeD c.rfti(red q,iltr alie\ I la.hie!c subnaltial redu.lilrlh Lhe risidil\ ot c.tr tihrestliron!:h a!!r!pri!le srtreDtDgr'hi.lr is essfDtirt or loirsritinil! thr!ugh Itgh sp€cd
Softening of coirfibres
Physical andchemical impuritiesPresent in coir fibres
h!!,e fhlsn.at !rd .her,:. i .,... , .. llfic hrne ol li , tJ,ir-r::.:::::::.:.iitr.es. rhe e\1.n. .,: ::I:::i ::. i :: i :.llN a( ar{nrf.l j \irn!nire rhe llcxjbititl o1 .o I
libres. lD all Llj.se re.tjdqucsllcribilit)- of roj, litr.es t,asimproir.d ro unc e\tcDr. bulrh. imp.oichenl \,as Dor Il )uDds!llicictlt lo ctr|an.c t|cspirnabilitr ol ..i,
The present study hasbeen conducted with aview to achieve substan_tial reduction in therigidity of coir fibresthlough appropriatesoftening which is essen-tial for coir spinningthrough high speedspinning machinery.
ilhe nilari\,eb. lorer lcnerhrbrcadth:nrio slinning o1 .oir llbrcs is rather
Asian Textile Journat . S"pt".Oo:OOe . aS-
COIR FIBRES
displa.ed slojllr tlnards thc licc ri,d .!the libre For deriatilD ol I nnn 1i e J
lr.nr.rigiial r,.sitior. the disrlaceDle.iI is n.i!d rnd 1|c sa.re is eluessed ai
,,iaier sol!ble rnatrers
D25
3.005.25
32. S6
0.15
2 7520.oo264
Results and discussions
Effect of softening on rigidityof coil fibres
ser erll softaliirg trials ('sf .rtl.,lLr usins dilf.r.ni.heni.als afa
:rLrr.r.s !. .oir 'ibr.s. I hc solt€Djrg- heDi.ali af(l srilrirlri l)a.arLclc.s1cr. .hoscD lieepin! rir in!rd lh!.rriI rh ri1). i.d the !r.pertics oI coirjib cr Srir. r1 lhe imtorlrfl: lr ialsdnd.rlr icn ar. briellt' des.rib(d
SfinrLrg rrir!s r,e.e iarri.d out lor
i!ir'ju1e and ..ir shaL bleDded F,rrria!!l(r ;(l i(rr6lr and if')r)l usiDs all Lhf
.l,rmical ond .rrr nr. lrcalcd librei!.rrfles 1a! llirfr ir) r,nl + in rir{LiLledjnr{. [!cr n]nDiDg st sLeDl . !|sell o,i Lhe
nrlterii,g. this mar b. due L.lher.rfolal tr.!k,nr ..
IL is dis..rj)tLrlr h)D the al)1,1,. librc drrnrg cheDi.at sohc; trs.rlLal chemirr solLrfjDg redLr(.slLrx,, .rt riBidi r .t .oir tibr c\ b! EIIect of softening on Conclusion
r-o.centrar on 5ta, 1A%, 21on,3Oyo and 40o,/orerperarure : 100,C
Concerrrat on : san, 1Aon, 2a%,309, and 40o/^l.mpe ature 100!C
Corce.rrarion : alr, 1O%, 2a%,3Oo/o and 409/oIernperaiu.e : l Oo'C
Cofcenlrat or 1 s/1, 5 s/1, .nd jo !r
Concenrr.ilo.: 1 g/t, b glt, ard jO s1l
COIR FIBRES
rlnint .i Dla[ l]br.s lilie Ac/.noLr'/edeenrent
the authors are lhanklil to Dr.lrindalr Ilasr Dire.i.rr SIIRA llr lisgridan.e d[ing th8 progress ol this!tutrrl IIanl$ nr. alsl) duc lo UrDclasis fhar1.!!dh!!t 5cnio t.jcinilir!fi.er. spiDriDg dn,lsnD. SITR,\ lo hisguidan.e throughout the course ol
R.h.rt R Frri i, Eirr iid .rhe r rntih(i, \'\rdi inn Prb rlri.q L nr r..1,
I rnrbr . !. zaa! PiU! .19!.
al5 R Co r l1! ertlr.rLn l)l)|.tr1.s3 r. \e! a.L rl ,rf nrLr. Iie.ear( h, Ne* Lrr h lrrbil, Page I iJ
ridnrnnbhrn ( \', ao r bretolibr.f'rrr Pr...ri.i nrruii.tLr. a. r \{).l ir. , .r4., P1g. .1
Brir \, (!nra; K li, P; nra a !nrn.l. : ai .rntl r'trr rlru li N 5.fnarlf! .rCln F !. C.i, \1r u( l-, l9ll FrE.
f'rrr! c\, r\ re! e\r o he .henr rrrL
in. ihe .hemi.r r..lr r. .E! oi .. ,
i IrL. Prrt P( i r nrr) tr!illlent! .
!.inari.! i.!l lr !d.tr r!, Co r, v.lunriN!.+ 19i6 l'a!e ll
rlri Lr! i !\!r nl nfn ll -'
ah-- inin, f'n.ifrl. L..rr F l)rf:e\til. rr.!(is Vo rm. ,1.1, N!
rr ni D! i !r,anr! et i Bilt nn..rr.! rnt i b e!, rhe Tr\r . ni r!r:\'1rr.ire!ter 1005 I'iF. l.lS !j03 ifid I lr : l!r:rl5Fe.ir.rti.n i)r rlrl lr.frra
S 193:l!19!,5le. ri,_.rt or lo R!iti
nl a Doia sni r in. K 'ah! imrf , !. ef.. in.L i..hn. .g\tre nrr!ir.tur. .i l!t. trorui -
S TRA,I:. Dlrnrr,.ltl.l, P.8! l:Il.ri.f \! F i.n Hei' e I i.! :Ph!r .i IoIP ries !1 terti e rlir :T(\r . fst tLte, 4rn.r€lte, !1,
L sing the rrcwly developedmethod, chemically soflened
coir fibres as (,ell as untreatedcoir tibres were tested for
ilr.!l1s on lil.fu rlgidilr' !Lrlairlfdi rir ih. ff(l! a.vrloF.d SITll.\:.: l1L, L l ..D!ares 1a\'.rrablt rvitLl
,.: Lrl,lairjrd j. lljr rllssi.rl ridg
!hcnicxl soltenitrg ol .oir ljbres: 1! r r.nd.n.r l. r.d!.. Lhc lircar. .i \ .L lhr lil.rr\ rrrl l. ntr)r{i 1h.
E
Premier Focuses on Innovative Quality Solutions at thenational seminar at Tex Spares 2OO6 exhibition
Premier p.cscnte.l a.omprchcnsiv. pape. od theapFliciion ofparameters !ike Hai. Count, Relative Sho.t Fibre
.orrent. nep cLassificatlon etc towarcl! fincling optinl!msolurion lor the problems facecl by ihe mjlls in India at ihere.ently concludecl narional seminar. organised by SIMA on
Mr I N Singh Tqtile Commissioner, Government oi !ndiainaLguraieci the Premier staLl. Speaking o. the occasion, MrSriclhar Vara.laraj, Manag ng Director. Premie. Evolvics said.'Piemier has always focusecl on solving ihe qualiiy p.oblems
faced by ihe mills. We have done that by bujlding inteLligeriihe sidelines of dre Tex Spares2006 exhibiiior in Coimbalorc.
Delivering rhe lecrure, Mr 5CokuLakrishnan. senior iextilemnnafier ci!ed vaious case siucliesfode by Prenrier in undeELrnding.tn.i applyine the above$.amerers He also broughtio theroii.c of ovcr lOOfclcgatcs that:rc!c pakunclcrsa.c avajiablc in
::emier also .einfo.ced the:-_-.e:r or lnsineered QualiB/ (lQ), :- :r.!ses on ihe optimum-:::' ..d use.l based quality
quality testing and monitoringmachines. This has beencomplemented with on groundinitiaiives like appll.ationclevelopnent. reference casestudies. customised t.aining anciDnovative ways of post salesservice, like the Dr Q-interneibaseclseruice prosram.
Our €ffort js to conlinuousl)innovate ancl bring about pracncnl
easy ro implemeni soiuiions io.
Premier also.lisplayecl thenew improvecl Xeni the
and cost ol pro.lucing'. --- .l
:_:-:s_:lso showc.sed an aray olqualig' solurions atihe-., :r.f= lao{r dhibinon
contaminarion detector in the Blow Room. The cenrra.afta.tion w6 the IQON the ultifrate forelgD fibe clearer ALson .lisplay was the popuiar lQ Qualicentre- the full feaiure