Muaj pes tsawg hom spandex ywj rau hauv xov paj?
Spandex cov xov paj tau spun nrog lwm cov xov mus rau hauv cov xov xov elastic hauv peb hom sib txawv: xov spandex tub ntxhais, xov paj spandex xov thiab xov paj xov spandex npog. Cov hauv peb hom xov paj yog cov qauv yooj yim hais txog kev ua haujlwm thiab cov qauv yam ntxwv. Lawv cov kev siv thiab cov ntaub weaving yog vim li no kuj txawv heev. Cov qauv ntawm peb hom xov paj tau qhia hauv daim duab.
Qhov twg spandex fiber ntau tuaj qhov twg thiab lawv qhov khoom tseem ceeb yog dab tsi?
Spandex yog ib qho ntawm cov kab spandex, suav paub thoob ntiaj teb ua Spandex thiab hauv Suav teb li Spandex, uas yog qhov tseeb tsuas yog ib ntawm cov pawg loj ntawm spandex fibers. Spandex (Polyurethane Fiber) hu ua PU fiber ntau, muaj ob ntau yam, ib qho yog ua los ntawm cov roj ntsha uas tsis muaj ntxhiab tsw ntau thiab polyester saw ntu ntu uas muaj hydroxyl inlay copolymer, hu ua polyester spandex, lwm yam ntau yam yog ua los ntawm cov ntxhiab diisocyanate thiab polyether saw ntu muaj cov hydroxyl inlay copolymer, raug xa mus rau polyether spandex. Ib tus neeg sawv cev ua lag luam lub npe rau polyester spandex yog Vyrent thiab tus sawv cev ua lag luam npe rau polyether spandex yog Lyera
Cov khoom tseem ceeb ntawm spandex fibers yog: lawv feem ntau muaj qhov elongation ntawm 500 mus rau 700% lossis ntau dua, thiab lawv muaj qhov zoo elastic rov qab. Kev rho tawm yog 97% ntawm 200% elongation thiab tshaj 99% ntawm 50% elongation.
Ntau yam spandex txheeb ze ntom qhov sib txawv yog me me, feem ntau 1.20 ~ 1.25, tawg lub zog ntawm 4.41 ~ 8.82cN / tex (0.5 ~ 1.0g / denier), polyester spandex lub zog yog tsawg, polyether spandex lub zog yog siab dua. Kev nqus dej noo feem ntau yog 0.3% -1.2%, qhov sib xyaw ua kom sov noo noo haum siab yog me ntsis siab dua li ntawm monofilament, kub tsis kam yog feem ntau hauv 95 ~ 150 ℃ thaum khaws cia rau ib lub sijhawm luv luv yuav tsis ua kom puas lub fiber, muaj kev nyab xeeb ironing kub ntawm 150 ℃ lossis qis dua.
Cov fibers hlawv qeeb thiab tsim cov gel zoo li qhov seem tom qab hlawv. Kev siv zas xim tau zoo, tuaj yeem zas ntau yam xim, muaj zog sib xws rau cov dyes. Zoo acid thiab alkali tsis kam, tshuaj dawb thiab tsis muaj pwm.
Spandex dyeing
Spandex tuaj yeem raug zas xim nrog disperse dyes thiab acid dyes, tab sis qhov ceev nrawm ntawm ob hom dyes tsis dhau, thiab kev sim tau pom tias cov tshuaj tiv thaiv kev tiv thaiv rau nylon (dyed nylon stretch ntaub) thiab disperse cationic dyes (dyed CDP stretch fabric) yog yeej tsis-staining rau spandex. Nrog rau txoj kev pabcuam raws li qhov nruab nrab, nylon tuaj yeem tiv thaiv nrog cov zas ua kom muaj zog thiab qhov nrawm thiab qhov tob tau zoo heev.
Muaj tsawg heev kev ntshiab spandex npuag rau ntawm kev ua lag luam, yog li spandex dyeing tsis tau paub. Cov ntshiab txaij spandex tau siv nrog kev sib xyaw nrog cov khaub ncaws uas tsis tshua muaj hlua lossis tsis ncav kom ntxiv qhov elasticity thiab rov qab ntawm cov ntaub. Thiab yog tias qhov xim spandex tsis zoo nrog rau qhov ntsiab lus thaum lub ncab ncab npuag qhib lossis nias, yuav muaj teeb meem nrog spandex txia, uas yuav xav tau spandex dyeing.
Rau spandex dyeing lub teeb xim
Lub nrawm ntawm disperse dyes ntawm spandex zoo dua li ntawm cov kua qaub ua si nyob rau hauv tib yam kev mob, tab sis kev ceev nrawm ntawm cov khoom tawg xim sib txawv ntawm spandex kuj txawv.
Spandex yog cov muaj fiber ntau elasticity, yog li nws feem ntau dyed ntawm 100 ° C lossis qis dua, suav tias qhov kub siab ua kom ntev ntev yuav ua rau spandex poob elasticity.
Ntau lub tshuaj pleev plhu tuaj yeem pleev xim rau ntawm spandex nrog cov koom haum pabcuam xws li nruab nrab, uas tau ua lag luam hu ua spandex coloring agents lossis spandex coloring agents.
Lub hauv paus ntsiab lus ntawm kev ua yog dav raws li hauv qab no.
Raws li cov kab mob acid, amide daim ntawv cog lus thiab lwm pab pawg tsis pub dhau lub spandex ionise thiab ua zoo them, tus neeg sawv cev ntawm spandex xim cuam tshuam nrog nws thiab cov xim kho tus neeg sawv cev yog tsau rau ntawm spandex, raws li tus neeg sawv cev ntawm spandex muaj cov amino ions zoo, yog li cov xim thiab tus neeg sawv cev ntawm spandex xim kuj tuaj yeem ua ke.
Nylon reactive dyes
Cov kev cai ntawm spandex dyeing (nrog tus neeg saib xyuas xim spandex)
1. Txoj cai dav dav ntawm kev ceev nrawm ntawm spandex tom qab zas: ntxuav> hws (acid)> kev siv dej ua ntej, thiab cov nplauv ntub dej ntxuav lub sijhawm tau zoo dua li qhov siv roj txhuam ziab.
Kev txheeb xyuas ntawm cov laj thawj, spandex tom qab xim nyob rau hauv lub xeev ntub dej zas xim los yog spandex xim tus neeg sawv cev thiab zas xim ua ke nyob rau sab nraud siab ntawm lub sijhawm ntev yuav tshwm sim tsiv teb tsaws, thiab yog cov txheej txheem qeeb (spandex yog hydrophobic fiber, dej molecules yuav tsis nrawm rau hauv lub fiber sab hauv, zas xim yuav tsis nrawm nrawm), yog li nws cov kev ntxuav sai yog qhov zoo dua, ua raws li cov kua qaub nyob rau hauv cov hws hws, spandex spandex ntawm cov nyiaj amide los yog spandex Cov colorant ntawm cov amino ionization, tuaj yeem ntes kev tsiv chaw ntawm lub zas xim los yog spandex colorant thiab zas ua ke, yog li cov kua qaub ua kom lub hws sai yog qhov zoo dua li qhov nruab nrab ntawm cov dej immersion xim xim ceev. Ntawm qhov tsis sib thooj, qhuav tawm los ua kom muaj cua sov nyob rau hauv kev ua ntawm kev txhuam, uas ua rau thermal tsiv ntawm dyes rau ntawm qhov chaw spandex, uas tsis tshwm sim nyob rau hauv cov huab cua ntub.
2. Rhaub dej qab zib cov hmoov tshauv tom qab spandex dyeing yuav txo nws txoj kev nrawm los ntawm li 0.5 qib, qhov no yog vim hais tias nyob rau hauv cov xwm txheej alkaline, kev sib xyaw ntawm spandex xim tus neeg sawv cev nrog cov fiber ntau thiab zas xim yuav raug rhuav tshem thiab yog li qhov nrawm yuav txo. Thib ob, tom qab qhov spandex dyeing nrog cationic xim kho tus neeg sawv cev, nws qhov ceev ceev tau zoo dua li cov tshuaj pleev xim anionic kho tus neeg sawv cev, cationic xim kho tus neeg sawv cev tuaj yeem hnov mob nrog dej-soluble pawg ntawm lub zas xim (-SO3-), kaw cov dej-soluble. pab pawg, txo cov dej-solubility ntawm cov xim, thiab cov xim txhim kho tus neeg saib xyuas mus rau hauv zaj duab xis nyob rau saum npoo ntawm fiber ntau, tuaj yeem cais cov zas xim kom qhuav, kev sib txhuam kom ceev yuav tau txhim kho raws li.
3, acid, disperse thiab nylon nrog reactive dyestuff dyed spandex lub hnub tshav nrawm yog phem dua li cov ntaub polyester lossis nylon ntsiab. Qhov laj thawj tseem ceeb rau qhov no yog tias lub crystallinity ntawm spandex yog tsawg thiab nws yog nyob rau hauv lub xeev elastic siab nyob rau hauv chav tsev kub, yog li nws yooj yim dua rau huab cua nkag mus rau sab hauv ntawm cov kab thiab rau xim hloov tshwm sim nyob rau hauv kev ua ntawm hnub ci.
Thaum paj rwb poplin yog xim dub
Spandex yuav qhia dawb thiab feem ntau tuaj yeem raug zas xim los ntawm kev ntxiv me me ntawm kev tawg lossis kua qaub rau cov xim zas xim kom nws tau pleev xim nrog spandex, txawm hais tias kev saib xyuas yuav tsum tau them rau qhov teeb meem nrawm.
Thib ob, rau polyester ncab thiab nylon stretch npuag dyed dub nrog spandex, tus nqi me me ntawm spandex xim tus neeg sawv cev ntawm kwv yees li 0.3% tuaj yeem raug ntxiv rau xim da dej thaum dyeing polyester ncab npuag, thiab nylon stretch npuag dyed nrog spandex xim tus neeg sawv cev tuaj yeem txuas ntxiv ncaj qha rau cov xim da dej, kom qhov teeb meem ntawm spandex xim tuaj yeem daws tau qhov teeb meem. Rau lwm cov xim ntawm spandex, qhov teeb meem yuav daws tau los ntawm kev sib piv nrog rau saum toj no.
Vim li cas denim spandex poob nws elasticity?
Spandex cov xov tseem ceeb tau ua ntau dua thiab ntau dua nyob rau hauv cov ntaub denim ua cov khoom siv tsawg, cov khoom siv ua kom siab, thiab kev sib txig ntawm spandex ncaj qha txiav txim qhov kev nce qib ntawm txheej txheem ntxuav denim. Ntxiv nrog rau qhov tsis zoo ntawm cov xov spandex ncab xov nws tus kheej, uas yog nquag ploj ntawm elasticity, nws kuj tseem cuam tshuam los ntawm ntau yam sab nraud.
I. Enzyme hmoov rau txheej txheem ntxuav fermentation
Raws li enzyme hmoov yog qhov sib xyaw ua ke, qhov sib txawv hauv nws cov tshuaj lom neeg sab hauv yuav cuam tshuam qhov poob ntawm spandex, tshwj xeeb tshaj yog cov tshuaj ua kom tsis haum. Lub enzyme hmoov siv hauv paus tsis muaj qhov tshwm sim no.
II. Cov Sodium hypochlorite (dej tshuaj dawb)
Raws li spandex nws tus kheej tsis yog chlorine resistant, chlorine bleach txheej txheem muaj kev cuam tshuam zoo rau qhov elasticity ntawm spandex, thaum lub siab ntawm cov tshuaj dawb, pH thiab lwm cov tshuaj tiv thaiv kuj tseem ua lub luag haujlwm tseem ceeb hauv kev puas tsuaj rau spandex elasticity, nrog hnyav tshuaj kev puas tsuaj.
Cov hauv qab no yog qee cov kev xaiv uas tau hais txog rau kev poob qis ntawm spandex elasticity.
1, yuav xav tau chlorine bleach denim, pre-chlorine bleach nrog spandex anti-brittle agent 1-3g / L (1/10 ntawm cov tshuaj dawb) hauv dej da dej khiav 1-2 feeb, maj mam nce qhov kub kom txog 40 40 , tshuaj ntxuav dej peb zaug ntxiv, thawj zaug rau ntxiv 1/5 ntawm tag nrho cov dej tshuaj ua kom dawb, zaum ob rau ntxiv 2/5 ntawm tag nrho cov dej tshuaj, zaum kawg yuav ntxiv dej ntxiv 2/5 tshuaj ua kom dej, raws li cov tshuaj ua haujlwm ntawm lub sijhawm ua haujlwm tiag.
2, tom qab tshuaj, thaum txhuav, rau hauv dej, dej kub yuav maj mam poob, qhov laj thawj ntawm kev ua yog tiv thaiv qhov kub kom tsis txhob poob thiab ua rau spandex brittle poob, poob ntawm elasticity.
Peb, muag muag
Vim tias cov qauv sib txawv ntawm cov koom haum tsim cov khoom muag, cov roj silicone, thiab lwm yam, qee qhov muag, silicone roj ntawm spandex elasticity kev puas tsuaj, mas vim nws cov khoom sib xyaw hauv ib qho me me ntawm cov ntsiab lus daws, uas muaj qhov cuam tshuam rau spandex elasticity. Thiab muaj cov roj silicone, softener cia li tsis muaj cov kuab tshuaj no, tsis muaj kev cuam tshuam rau spandex elasticity, xaiv cov roj silicone txoj kev kho kom zoo nkauj.
IV. Cov kuab tshuaj
Raws li cov txheej txheem spandex weaving muaj cov roj silicone uas muaj roj, nws txoj kev dyeing thiab cov txheej txheem xav tau tshem tawm cov roj, thiab ntau tus neeg ua haujlwm kho cov dej muaj cov kuab tshuaj, uas muaj kev cuam tshuam loj ntawm spandex elasticity kev puas tsuaj.
V. Kev txiav lub cev
Raws li cov yam ntxwv ntawm denim yog nostalgic, yog li ntau tus yuav tsum tau ua lub cev tawg, txiav kev ua, nws tawg ntawm spandex elastic txhob lo lo ntxhuav tsis muaj zog, ua rau spandex blistering phenomenon, xov paj liab kuj tseem yooj yim kom tawg, uas ua rau poob ntawm elastic.
Thib rau, ziab qhov kub thiab txias
General denim muaj cov xov paj spandex kom qhuav kub yog qis dua 60 ℃, dhau ntawd ua rau kub dhau lawm yuav yog kev puas tsuaj rau spandex ywj.
