VAE rau hauv kev kho txoj cua: Tshem tshaj tawm qhov sov thiab qhov nyob tau siab

Paub txog VAE thiab nws lub rooj hauv kev kho tshuaj ntawv

Yog dab tsi VAE thiab yog li cas nws ua haujlwm rau hauv kev kho ntawv

VAE, uas tseem yog 'vinyl acetate ethylene', yuav ua tau thaum vinyl acetate sib sau rau nrog ethylene monomers. Qhov no tsim qhov polymer emulsion uas tuaj yeem tswj hwm thiab tuaj yeem tswj hwm qhov tshuaj tshiab uas tau muaj nyob rau hauv kev tshuaj tshiab ntawm cov khoom tshuaj. Qhov uas tso VAE los ntawm qhov kev ua haujlwm yog nws ua haujlwm raws li qhov tshuaj tshiab uas txhawb cov khoom tshuaj los ntawm qhov sib sau rau nrog cov khoom tshuaj thiab qhov sib sau rau nrog cov khoom tshuaj hauv qhov kev sib sau. Vim tias nws muaj qhov kev ua haujlwm ntawm cov khoom tshuaj uas tsis tuaj yeem sib sau, VAE tuaj yeem sau rau hauv cov khoom tshuaj raws li qhov xav tau, thiab tso cov khoom tshuaj uas tuaj yeem tswj hwm thiab tuaj yeem tswj hwm thiab tuaj yeem tswj hwm rau hauv cov khoom tshuaj. Txoj kev tshuaj tshiab ntawm Textile Research Journal xyoo twg tau hais tias, vim tias nws muaj qhov kev ua haujlwm ntawm cov khoom tshuaj uas tsis tuaj yeem sib sau, VAE tuaj yeem sau rau hauv cov khoom tshuaj raws li qhov xav tau, thiab tso cov khoom tshuaj uas tuaj yeem tswj hwm thiab tuaj yeem tswj hwm thiab tuaj yeem tswj hwm rau hauv cov khoom tshuaj. Txoj kev tshuaj tshiab ntawm Textile Research Journal xyoo twg tau hais tias, vim tias nws muaj qhov kev ua haujlwm ntawm cov khoom tshuaj uas tsis tuaj yeem sib sau, VAE tuaj yeem sau rau hauv cov khoom tshuaj raws li qhov xav tau, thiab tso cov khoom tshuaj uas tuaj yeem tswj hwm thiab tuaj yeem tswj hwm thiab tuaj yeem tswj hwm rau hauv cov khoom tshuaj. Txoj kev tshuaj tshiab ntawm Textile Research Journal xyoo twg tau hais tias, vim tias nws muaj qhov kev ua haujlwm ntawm cov khoom tshuaj uas tsis tuaj yeem sib sau, VAE tuaj yeem sau rau hauv cov khoom tshuaj raws li qhov xav tau, thiab tso cov khoom tshuaj uas tuaj yeem tswj hwm thiab tuaj yeem tswj hwm thiab tuaj yeem tswj hwm rau hauv cov khoom tshuaj. Txoj kev tshuaj tshiab ntawm Textile Research Journal xyoo twg tau hais tias, vim tias nws muaj qhov kev ua haujlwm ntawm cov khoom tshuaj uas tsis tuaj yeem sib sau, VAE tuaj yeem sau rau hauv cov khoom tshuaj raws li qhov xav tau, thiab tso cov khoom tshuaj uas tuaj yeem tswj hwm thiab tuaj yeem tswj hwm thiab tuaj yeem tswj hwm rau hauv cov khoom tshuaj. Txoj kev tshuaj tshiab ntawm Textile Research Journal xyoo twg tau hais tias, vim tias nws muaj qhov kev ua haujlwm ntawm cov khoom tshuaj uas tsis tuaj yeem sib sau, VAE tuaj yeem sau rau hauv cov khoom tshuaj raws li qhov xav tau, thiab tso cov khoom tshuaj uas tuaj yeem tswj hwm thiab tuaj yeem tswj hwm thiab tuaj yeem tswj hwm rau hauv cov khoom tshuaj. Txoj kev tshuaj tshiab ntawm Textile Research Journal xyoo twg tau hais tias, vim tias nws muaj qhov kev ua haujlwm ntawm cov khoom tshuaj uas tsis tuaj yeem sib sau, VAE tuaj yeem sau rau hauv cov khoom tshuaj raws li qhov xav tau, thiab tso cov khoom tshuaj uas tuaj yeem tswj hwm thiab tuaj yeem......

Rog ntawm Vinyl Acetate Ethylene rau hauv kev sib txuas ntawm cov kab

Thaum siv rau hauv cov ntawv, VAE tsim cov kev sib txuas zoo heev rau ntawm cov hydroxyl groups uas muaj nyob rau hauv cov cellulose fibers thiab cov carbonyl groups nyob rau hauv nws lub polymer chains los ntawm qhov uas tseem hu ua qhov anchor thiab bridge mechanism. Qhov uas ua rau no yuav tshwm sim yog qhov uas cov kev sib txuas no yuav pab tshem qhov kev sib txuas rau ntawm cov fibers kom zoo dua, tab sis tsis ua rau cov khoom yuav muaj qhov txaus siab lossis qhov tsis zoo rau lub ce. Cov lus test tau xav tau tias muaj qhov zoo heev. Cotton uas tau siv VAE muaj qhov sib txuas rau ntawm cov fibers zoo dua li 40% vim tias siv cov acrylic treatments thib ob, raws li ASTM standards. Thiab muaj qhov zoo dua ib yam: vim tias muaj qhov ethylene rau hauv VAE, cov ntawv yuav tuaj yeem khaub ncaws thiab khaub ncaws ntau dua li 200,000 zaug ua ntej thaum muaj qhov tshwm sim ntawm kev siv, raws li ISO testing guidelines. Qhov kev sib npaug ntawm kev nyab xaiv thiab kev sib npaug ntawm kev sib txuas zoo rau lub ce no yog qhov uas ua rau cov neeg tsim cov ntawv siv VAE ntau heev rau hauv cov kev tsim cov warp knitting thiab cov ntawv tsis muaj qhov sib txuas (nonwoven products) uas muaj kev nyab xaiv thiab kev sib txuas zoo rau lub ce yog qhov tseem ceeb heev.

Tshuaj ntxiv qhov ntsuas ntawm cov khoom sib tw los ntawm VAE polymers

Yam VAE polymers yuav ua li cas los txo qhov ntsuas ntawm cov khoom sib tw rau qhov ntsuas ntawm qhov ntsuas ntawm cov khoom sib tw

Thiab thaum suav nyob rau hauv cov khoom sib tw, VAE yuav tsim qhov ntsuas ntsuas ntsuas uas yuav txo qhov ntsuas ntawm cov khoom sib tw rau 30-35% vim tias cov khoom sib tw yuav tsis muaj qhov ntsuas ntsuas ntsuas. Cov khoom yuav ua li no los txo qhov ntsuas ntawm cov khoom sib tw thiab yuav tsis txo qhov ntsuas ntawm cov khoom sib tw. Nyob rau hauv cov kev sim nyob rau hauv qhov chaw tsim khoom, ntau yam khoom sib tw tau qhov ntsuas uas neeg hu ua "qhib". Ntau yam khoom sib tw tau qhov ntsuas ntawm cov khoom sib tw rau 8/10 yam khoom sib tw tau qhov ntsuas ntawm cov khoom sib tw rau 2023.

Kev tso cai: Cov khoom sib tw cotton uas tau txais VAE vs. cov khoom sib tw cotton uas tsis tau txais VAE

Thaum peb ua kev tshawb xyuas seb VAE yuav ua li cas rau qhov cotton thiab nws qhov yuam kev ntau dua thaum peb txuas ntxiv, cov lus nug tau muaj qhov zoo heev. Thaum cotton tau txuas ntxiv 50 zaug, cov khoom uas tau muab siv VAE tso cia still muaj 89% ntawm qhov yuam kev ntau dua ntawm nws lub ce tsa, thaum cotton tsis tau muab siv VAE tso cia tsuas muaj 54%. Thaum peb saib rau qhov kev ntsuas qhov ntau ntau ntawm cov ntaub, peb pom qhov lus nug ntxiv. Qhov Ra tau nyob hauv qhov ntau ntau tau ploj 41%, los ntawm 1.41 micrometers mus rau 0.83 micrometers thaum siv VAE emulsion 8%. Qhov uas ua rau no ua tau zoo li no yog qhov uas peb hu ua "ethylene driven covalent bonding" uas nyob hauv qhov molecular level thiab nyob hauv qhov cotton fibers. No ua rau muaj qhov txiaj ntsig zoo dua li cov khoom uas muaj qhov yuam kev ntau dua uas peb siv tsa, uas yuav ploj mus thaum peb txuas ntxiv thiab ua rau cov ntaub yuav nyob nruab nrab. Ntawm VAE treatment, qhov yuam kev ntau dua yuav nyob hauv cov ntaub thiab tsis yog nyob hauv qhov ntaub.

Kev Tshawb Xyuam thiab Kev Tshawb Xyuam ntawm Cov Neeg Siv rau qhov ntsuas qhov yooj yim thiab qhov nyob zoo

Tshuas rau cov khoom sib xyaw thiab cov neeg siv (n=150), cov khoom siv uas tau txais kev siv VAE tau muaj qhov nyob zoo dua 23% thaum siv rau 8-hour. Qhov tshawb xyuam ntawm PhabrOmeter pab tso cai rau qhov no: cov khoom siv uas muaj qhov tsis yooj yim dua 15% yog qhov uas neeg siv tsis nyob zoo, tab sis cov khoom siv VAE tau muaj qhov tsis yooj yim 27–33% tab sis yuav tsum muaj qhov yooj yim rau kev siv, thiab qhov no sib koom rau qhov neeg siv nyob zoo.

Tshuas qhov nyob tau hauv lub sijhawm ntev los ntawm cov khoom VAE

Cov khoom VAE tshuas qhov nyob tau hauv lub sijhawm ntev los ntawm kev ua kom cov khoom sib xyaw zoo dua, uas yog qhov tseem ceeb rau cov khoom siv uas tau txais kev siv hauv qhov kev siv tshwj xeeb thiab kev siv dua dua.

Tshuas qhov nyob tau hauv lub sijhawm ntev los ntawm kev ua cov khoom VAE

Thaum siv rau hauv cov ntaub, VAE ua tau cov ntawv uas muaj txoj kev nyuaj thiab muaj kev tswj hwm, uas pab txhawb cov ntawv ntau yam los ntawm kev sib txuas cov ntawv ntau yam, thiab qhia txog kev tsis zoo ntawm cov ntawv. Txhawb kom muaj kev paub ntawm Textile Research Journal xyoo twg, thaum cov ntawv tau siv VAE nyob rau hauv 18-22% ntawm cov ntawv, lawv yuav muaj kev nyuaj dua 30-40% nyob rau hauv kev nyuaj ntawm kev tswj hwm. Qhov uas pab VAE ua tau zoo li no yog qhov ethylene pab cov ntawv nyob rau hauv kev tswj hwm thiab vinyl acetate pab cov ntawv nyob rau hauv kev sib txuas. Ob qhov no pab ua tau cov ntawv nyob rau hauv kev nyuaj thiab tsis nyuaj, uas yog qhov zoo heev rau kev siv hauv tsev sib kho, uas muaj kev nyuaj thiab kev tswj hwm.

Kev nyuaj ntawm kev hlau thiab kev nyuaj ntawm kev rub: Tswv yim ntawm kev test hauv tsev sib kho

Kev test standard nyob rau hauv AATCC 135 thiab ISO 12947-2 qhia tias VAE muaj kev ua haujlwm zoo heev:

Lub tshuab no txhais tau tias VAE muaj peev xwm nyob hauv qhov kev txuas ntxiv thiab qhov kev sib kua ntau dua.

Kev ua haujlwm ntawm lub sijhawm siab rau cov khoom siv denim thiab khoom siv rau haujlwm

Kev ua haujlwm ntawm lub sijhawm 12 hlis pom tias denim uas muaj VAE nyob hauv nws tsis tuaj yeem loss 92% ntawm qhov kev nyob zoo tshiab tom qab 100 zaug ua kom sov rau hauv tsev ua haujlwm. Rau cov khoom siv rau haujlwm, cov thawj tswv tsev ua haujlwm tham tias muaj kev ceev ntau dua 60% rau cov khoom siv rau haujlwm uas muaj VAE, uas qhia tias VAE muaj kev nyab xeeb rau kev nyob zoo ntawm khoom siv.

Cov kev sib npaug ntawm VAE thiab cov khoom siv rau kev sib npaug

Thaum sib npaug nrog cov khoom siv rau kev sib npaug methylolated melamine, VAE ua cov hluav taws xob hauv qhov kev sib npaug ntawm polymer, uas ua rau kev nyab xeeb rau kev xyuam hauv dej nce 55% thiab kev nyab xeeb rau qhov ceev ntau dua los ntawm 160°C. Cov kev sib npaug no pab ua cov khoom siv uas tsis muaj kev cuam tshuam los ntawm qhov ceev ntau dua, tab sis tsis muaj kev cuam tshuam rau qhov kev sib xyuas ntawm phab ntsuas.

Kev tshaj tso VAE rau kev ua haujlwm hauv kev ua haujlwm

Thaum siv cov khoom tshuaj VAE, cov thawj tshuaj yuav tsum xaiv nt between cov txheej txheem pad-dry-cure thiab cov txheej txheem spray. Cov luj qhia hauv lab xwb qhia tias cov txheej txheem pad yuav tau txais ntau npaum 98% ntawm qhov cov ntawv muaj kev cover zoo tshaj plaws thaum cov ntawv tau muaj kev soaks zoo heev, uas yog qhov zoo rau cov ntawv teknikal uas kev sib sau zoo tshaj plaws yog qhov tseem ceeb tshaj plaws. Cov txheej txheem spray yog zoo dua rau cov ntawv nyooj ntsuab li chiffon vim nws txo lub sijhawm ua haujlwm npaum 30%. Tiamsis, kev kho cov kab laug yog tsis zoo tshaj plaws rau cov txheej txheem spray. Thaum muaj kev tshawb nrhiav los ntawm cov neeg ua haujlwm hauv yav dhau los ntawm 2023, cov denim uas tau siv cov khoom tshuaj spray tau qhia tias muaj kev nyab xeeb ntau npaum 15% tsis zoo dua rau cov ntawv uas tau ua los ntawm cov txheej txheem padding. Cov txheej txheem padding yuav tsum siv ntau npaum 22% ntawm kev siv hluav taws liab per meter ntawm cov ntawv, tab sis lawv yuav tshwm sim ntau dua rau kev siv cov ntawv tsis tau siv raws li qhov tseem ceeb vim cov rollers uas siv rau kev kawb qhov ntau npaum twg ntawm cov khoom tshuaj yuav tau siv.

Qhov ntau npaum VAE zoo tshaj plaws thiab cov qhov kev kho

Kuam paub zoo rau VAE thiab kuam paub zoo rau kev siv yuav tsum tau txais qhov zoo tshaj plaws ntawm qhov ntsuas ntau npaum 8 thiab 12 percent ntawm qhov loj ntawm cov khoom thiab qhov ceev ntawm kev ua kom muaj qhov ceev ntawm 140 thiab 160 degrees Celsius rau nyob ib puag ncig 90 thiab 120 seconds. Yog li cov khoom yog ntau dua 15%, cov khoom yuav tshwm sim ntau dua, thiab yuav muaj qhov ntsuas ntau dua nyob rau hauv kev siv drape testing. Thaum kawg, yog li tsis ua kom muaj qhov ceev zoo rau hauv 130 degrees Celsius, nws yuav loss 40% ntawm qhov zoo rau kev ua kom muaj qhov ceev tom qab 50 zaug siv rau kev ua kom muaj qhov ceev. Cov kev siv tshiab tau qhia tias lawv siv qhov kev ua kom muaj qhov ceev uas lawv hu ua gradient curing. Lawv pib ntawm qhov ceev ntau npaum 110 degrees rau kom cov khoom yuav ntau dua, tom qab ntawd lawv yuav ntau dua rau 150 degrees rau kom cov khoom yuav muaj qhov ceev. Qhov kev siv no yuav pab kom cov khoom yuav muaj qhov ceev ntau dua nyob rau hauv 20% thiab yuav muaj qhov ceev zoo tshaj plaws.

Kev nyab xeeb thiab kev nyab xeeb ntawm VAE rau kev siv rau cov ntaub

Kev tso tawm VOC ntau npaum ntau thiab kev siv raws li cov kev siv rau cov ntaub nyab xeeb

VAE tso out rau qhov VOCs li 86 peb cent tsis meej dua li cov ntaub ntawv acrylate tshwj xeeb raws li cov lus qhia ntawm Textile Exchange los ntawm 2023, uas ua VAE yog qhov zoo dua thaum peb xav txog cov ntaub ntawv uas muaj kev sib tw zoo. Vim tias VAE yog qhov muaj dej, no yog qhov tswv yim uas tuaj yeem tshuaj xyuas rau cov kev kawm ntawm kev nyab xeeb thiab tuaj yeem tshuaj xyuas rau cov kev kawm ntawm OEKO-TEX Standard 100 thiab tuaj yeem tshuaj xyuas rau cov kev kawm ntawm GOTS. Qhov tseeb tias cov kev kawm no tau txais yog qhov tseeb vim tias cov phab ntsa tuaj yeem txo qhov ntau ntawm cov khoom tshuaj tshaib uas nyob hauv qhov chaw ua haujlwm ntawm lawv, thiab lub tswv yim Bluesign tuaj yeem tshuaj xyuas rau cov khoom sib tw uas lawv tau ua tiag, uas yog qhov tseeb uas ntau cov phab ntsa ntaub ntawv xav tau.

Kev puas tsuaj ntawm kev nyab xeeb thiab kev tshaib tau los ntawm VAE

Cov lus nug rau cov dej tsis zoo tsoo tias VAE residues (cov ntaub tshuaj tshiab uas tsis tau siv) yuav ploj hauv qhov muaj oksijen dua li cov ntaub tshuaj tshiab uas tsis tau siv ib yam, thiab qhov no yog raws li cov lus nug uas tau pub tseg rau hauv Biodegradation Journal lub cim thaum kawg ntawm lub lim tiam thaum kawg. Ces yog dab tsi ua rau qhov no dhau? Cov ntaub tshuaj ethylene yog qhov pab cov microbe (ntawv qhia) mus txhawb rau kev ploj cov ntaub tshuaj. Ntawm peb puag ncig rov tshem tshem, peb puag ncig rov tshem tshem ntawm cov ntaub tshuaj no yuav ploj los ntawm cov khoob tshuaj (compost) tom qab tshem tshem peb lub hlis. Qhov tshwj xeeb ntxiv rau VAE yog tias nws tsis tau cuam tshuam rau hauv cov dej thiab tsis tau cuam tshuam rau hauv qhov tseem ceeb ntawm cov dej. Qhov tsis cuam tshuam no yog qhov tshwj xeeb heev rau qhov kev tswj cov dej tsis zoo raws li ZDHC Foundation xav, thiab nws tuaj yeem sib npaug rau ntau yam kev tswj cov ntaub tshuaj tshiab hauv ntau yam tsev tswj hwm.

FAQ Qeb

VAE yog dab tsi, thiab nws ua li cas rau kev pab rau cov ntaub tshuaj?

VAE, lossis vinyl acetate ethylene, yog ib qho polymer emulsion uas siv rau kev tshuaj tshiab rau cov ntaub tshuaj. Nws pab rau kev nyuaj rau cov fiber, kev nyuaj rau kev nyuaj, thiab kev nyuaj rau kev nyuaj, thiab nws tso cai rau kev nyuaj thiab kev nyuaj.

Yam li cas VAE sib piv rau cov kev txuas ntxiv ntawv tshiab?

VAE muaj qhov nyab xeeb thiab qhov nyab xeeb rau cov dej txuas dua li cov kev txuas uas siv starch, thiab muaj qhov nyab xeeb rau qhov ua haujlwm ntawm ntawv thiab qhov ncaj ncees rau ntau zaug txuas.

Cov kev pab ntawm kev nyab xeeb rau lub vijyam ntawm VAE yog dab tsi?

VAE tsis txhawb tso cia ntau yam VOCs thiab tso cia ntau dua, yog li nws yog qhov leej twg uas nyab xeeb thiab siv tau raws li cov kev nyab xeeb zoo ib yam li OEKO-TEX thiab GOTS.

Cov xwm txheej zoo tshaj plaws rau kev siv VAE rau ntawv yog dab tsi?

VAE yuav tsum siv raws li 8-12%, thiab yuav tsum kho raws li 140-160°C rau kev siv zoo tshaj plaws. Cov kev kho nrog qhov kub sib txawv yuav pab tso cia qhov ncaj ncees thiab qhov nyab xeeb rau kev tshem.