Cov teeb meem muaj txiaj ntsig zoo nrog kev sib kis yooj yim

Polyester knitted ntaub yog dyed rau qhov kub thiab nias thiab feem ntau raug teeb meem los ntawm teeb meem xws li xim xim, xim stains, tsis ncaj zas xim, rov ua dua tshiab, txuas thiab txhuam. Qhov no txhais tau hais tias oligomers thiab dye coalescence yog tsim nyob rau hauv cov nqaij thaum lub sij hawm txheej txheem dyeing. Cov kev ntsuas tshwj xeeb los tiv thaiv cov xim xim thiab stains raug txheeb xyuas thiab taw qhia los ntawm txhua cov txheej txheem, kom cov teeb meem zoo tuaj yeem txo qis hauv ntau lawm.

Polyester knitted fabrics, suav nrog polyester-npog cov paj rwb thiab polyester-paj rwb blended knitted ntaub, feem ntau ntsib teeb meem xws li xim xim thiab me ntsis ntawm cov ntaub saum npoo tom qab tawg dyeing ntawm qhov kub thiab kub siab nyob rau hauv cov khoom lag luam tiag tiag. Cov menyuam yaus tsis muaj peev xwm rov kho tau tom qab kho los kho, tab sis cov neeg tsis tuaj yeem kho tsis tau thiab tuaj yeem txiav rau tom qab kab, ua rau muaj kev poob loj heev.

Cov roj carbon polyester yog hydrophobic hluavtaws. Ntawm ib sab tes, cov qauv tsim ntawm polyester tsis muaj cov pab pawg nquag xws li cellulose fibers lossis protein ntau uas tuaj yeem ua ke nrog cov hnyuv ntxig; ntawm qhov tod tes, cov lwg me me ntawm polyester raug sib sau ua ke thiab tsuas muaj qhov khoob me me hauv cov kab, yog li ntawd thaum kub qis, lub zog thermal ntawm cov lwg me me hloov lawv qhov chaw mus rau ib qho me me.

Yog li ntawd, polyester knitted ntaub dispersing dyeing xav tau dyed los ntawm kub thiab kub siab dyeing

Disperse dyeing

Hauv qhov kub thiab kub siab dyeing. Cov txheej txheem ntawm dyeing polyester fibers nrog disperse dyestuff.

Daim ntawv ntawm cov khoom tawg xim sib tov hauv cov tshuaj pleev xim thiab ntawm cov fibers nyob rau ntau qhov hloov.

① Firstly, disperse dyestuff yog cov khoom tawg yooj yim yog cov khoom tawg (ntau ib zaug crystalline zas xim molecules) los ntawm cov khoom tawg nyob rau hauv cov kua aqueous, tsim cov tshuab kev tawg.

(II) Thib ob, raws li qhov kub nce, qhov thermal txav ntawm cov xim lwg me me sib zog thiab lawv maj mam sib txawv mus rau hauv ib lub xeev-siv lead ua ib leeg.

(III) Thaum kawg, cov xim disperse nyob hauv nws ib lub xeev crystalline nkag mus rau hauv cov fibers, hloov tsheb hauv cov fibers thiab ncav cuag sib npaug.

Cov xim sib xyaw xim hauv cov xim tov txuas ntxiv nkag mus rau sab hauv ntawm cov fibers, thaum ib qho kev faib ua feem ntawm cov xim disperse sab hauv cov fibers tau pauv los ntawm sab hauv ntawm cov fibers mus rau cov xim tov. Lub tshuab zas xim kom ncav cuag qhov sib luag ntawm txhua theem ntawm cov txheej txheem tawg xim. Nyob rau txhua theem ntawm cov txheej txheem dyeing, ib qho khoom ua kua ntawm cov khoom tawg yooj yim tso tawm los ntawm cov khoom tawg thaum lawv muaj lub zog txaus los tsim cov muaju loj dua (lossis recrystallisation) ua ke nrog lwm cov kua ci ntawm cov khoom tawg. Thaum cov khoom siv tsim ua dua tshiab no loj txaus, lawv tsim cov xim zas lossis cov stains uas tuaj yeem ua rau kom qhov kev txiav ntau ntawm cov yas thiab yuav pab cov txheej txheem dyeing kom tiav sai li sai tau.

Ib qho ntxiv, qhov solubility ntawm disperse dyestuff hauv dej yog qhov tsawg heev thiab cov tshuaj pleev plhu hauv cov xim zas xim yuav tsum tau ua kom tawg hauv cov xim da dej hauv kev ncua los ntawm qhov ntau ntawm cov khoom tawg thaum dyeing polyester fibers.

Yuav kom ua tiav cov txiaj ntsig dyeing zoo, qee qhov nyiaj ntawm dyeing pabcuam yog feem ntau ntxiv.

Cov koom haum feem ntau siv nyob rau hauv kev kub thiab kev kub ntxhov ntawm cov xov paj polyester muaj cov khoom thauj uas ua kom cov yas ua ke, surfactants uas daws cov khoom tawg yooj yim los yog khov kho qhov tsis zoo hauv kev ncua, thiab lwm yam. polyester cov fibers.

Kev txheeb xyuas qhov ua rau cov xim pob thiab me ntsis

Muaj ob hom xim xim thiab teeb meem uas tshwm sim thaum dyeing polyester knitted ntaub hauv qhov kub thiab siab thiab siab tshuab dyeing.

Ib qho yog vim lub coalescence ntawm lub cev ntas txias, cov xim xim tsis zoo. Nws tuaj yeem raug kho nrog tus neeg sawv cev kho lossis rov ua dua tshiab tom qab stripping; qhov ib yog vim kev tsim cov oligomer hauv fiber ntau thiab ua rau nyuaj rau tshem tawm cov xim nqaij, xim chaw.

1 、 Vim li cas rau cov xim pob thiab xim av tsim los ntawm oligomer

Oligomer, tseem hu ua zwitterion, yog yam khoom uas tsis muaj cov tshuaj molecular uas muaj nyob sab hauv polyester fiber nrog tib lub qauv tshuaj zoo ib yam li cov polyester fiber. Nws yog qhov ua tau los ntawm cov txheej txheem spinning nyob rau hauv polyester feem ntau polyester muaj 1% mus rau 3% oligomer, feem ntau ntawm oligomer yog 3 ethyl terephthalate los ua lub nplhaib sib txuas thaum qhov kub siab tshaj 120 ℃, oligomer tuaj yeem yaj nyob rau hauv cov xim da dej thiab crystalline nag lossis daus los ntawm kev daws, thiab cohesion ntawm cov zas ua ke.

Thaum txias, lawv tau muab tso rau saum npoo av ntawm cov tshuab lossis cov ntaub los ua cov tawv nqaij, me ntsis thiab lwm yam tsis xws luag thaum cov khoom tawg xim feem ntau nyob ntawm 130 ° C txog li 30min kom paub meej qhov tob tob thiab ceev vim li ntawd.

Lub teeb xim tuaj yeem xaiv tau los tuav ntawm 120 ° C rau 30min, xim tsaus yuav tsum tau kho ua ntej ua ntej zas. Tsis tas li ntawd, zas xim nyob rau hauv cov teeb meem alkaline kuj yog cov tshuaj zoo rau oligomerisation.

2. Ua rau xim dots thiab me ntsis los ntawm zas coalescence

Pre-kev kho mob

Nws feem ntau ntseeg tias kev ua ntej kho ntawm paj rwb knitted ntaub muaj qhov zoo rau qhov zoo ntawm dyeing, thaum tsis txaus mloog yog them rau qhov kev kho ua ntej ntawm polyester dyeing. Nrog kev ua haujlwm tsis zoo de-oiling tus neeg sawv cev me ntsis lossis tsis txhua yuav cuam tshuam nrog kev zas ncaj ncaj, kev zas xim zoo teeb meem tom qab kev ua xyem xyav ntawm kev ua haujlwm tsis zoo ntawm tus neeg teb xov tooj.

Qhov tseeb, polyester hauv cov khoom siv raw ntawm cov khoom lag luam thiab cov txheej txheem ntawm cov roj sawv cev, yooj yim heev rau kev zas xim cov teeb meem zoo, xws li cov paj xim, qhov sib txawv ntawm cov xim, cov xim xim, xim pob, thiab lwm yam, yog li yuav tsum tau kho ua ntej zas. Xaiv tus neeg sawv cev de-oiling kom tsim tau kub kom txog 90 ° C rau 10min thiab tom qab ntawd qis dua qhov ntsuas kub rau kev ntxuav.

Tshaj tawm ntawm cov xim da dej thiab cov koom haum pabcuam

I. Kev xaiv tsis ncaj

Thaum dyeing cov xim tsaus nti feem ntau, lub caij nyoog ntawm thermal kev sib tsoo nce vim tias qhov zas xim hauv qab qhov kub thiab zas rau qhov kub. Dye molecules yog qhov nquag ua kom rov ua dua thiab tsim cov pob thiab tsuas me, thaum lub xov tooj ntawm cov tub lim dej ntau dhau los yuav ua rau me ntsis thiab cov dots yog tias siv tsis raug.

II. Xaiv tsis zoo ntawm cov pabcuam

Cov khoom tsis zoo tawg thaum kub nrog lub fiber sab hauv, lub cev tsis huv nyob rau hauv lub zas xim ua ke nrog cov cohesion nyob rau saum npoo ntawm cov ntaub ua rau muaj xim pob, xim xim, sib txawv ionic ntxiv} Kun nrog yooj yim kom hnov ​​mob los tsim lub mis tawg. Yog li, qhov tsim ntawm nag lossis daus ntawm daim ntaub. Ua cov chaw xim, xim xim.

③ npuag gram zoo thiab dawb paug npuag muaj peev xwm

Thaum dyeing hauv tib lub tshuab dyeing, zoo gram zoo ntawm knitted ntaub vim cov qauv nruj. Zas tsis yooj yim rau kev nkag mus rau hauv fiber hauv, gram zoo hauv 300 curryz saum toj ntawm cov ntaub knitted ntau dua 200g / m2 nyias lub teeb knitted ntaub yog feem ntau tsim cov xim pob, xim pob. Thaum cov pam ntau dhau nrog lub tog raj kheej, uas ua rau kev khiav hauj lwm tsis zoo, kuj yooj yim los ua cov xim pob, xim pob.

Da dej piv

Dyeing da dej piv yog me me, zas xim tso rau hauv qhov kub thiab qhov nruab nrab dyeing tshuab hauv lub thermal tsoo caij nyoog kuj nce, yooj yim los tsim xim pob, cov xim xim.

Kev ntsuas kom tiv thaiv kom tsis txhob muaj xim thiab pob

1, ua ntej dyeing daim ntaub siv 100% NaOH 3%, nto tshuaj ntxuav dej 100%, ntawm 130 ℃ rau 60min, da dej piv 1:10 ~ 1:15 siv txoj kev kho xim rau cov xov polyester muaj qee qhov yaig, tab sis kom tshem tawm oligomer tau txais txiaj ntsig zoo kawg rau polyester filament npuag tuaj yeem txo qhov" polar teeb" ;. Rau cov xov paj luv thiab nruab nrab tuaj yeem txhim kho cov pilling thiab pilling tam sim no.

2 、 Tswj kev zas xim kub hauv qab 120 thiab siv cov txheej txheem tsim nyog dyeing kom txo qis ntawm oligomers thiab kom tau txais qhov qub xim nyob hauv qhov tob.

3 、 Ntxiv kev faib tawm kev tiv thaiv colloid cov koom haum thaum zas xim tuaj yeem tsim txawm tias cov nyhuv dyeing thiab tiv thaiv cov oligomers los ntawm kev ua kom zoo ntawm cov ntaub.

4 、 Tom qab dyeing, cov xim dej cawv tau tso tawm ntawm lub tshuab sai ntawm qhov kub ntawm qhov siab tshaj plaws rau 5rnin, vim tias oligomers tau sib faib rau qhov zas xim dej hauv qhov kub ntawm 100-120 ° C, thiab yooj yim kom muaj ntau dua thiab nag lossis daus ntawm cov khoom siv dyed thaum lub ntsuas kub qis dua 100 ° C tab sis qhov no ua rau nws yooj yim rau qee cov ntaub tuab los ua cov ntaub ntawv quav.

5 、 Dyeing nrog alkaline cov neeg mob muaj peev xwm txo tau qhov kev txhim kho ntawm oligomers thiab tshem tawm cov roj tus neeg sawv cev ntawm daim ntaub, tab sis dyes haum rau cov kab mob alkaline yuav tsum siv.

6 、 Tom qab zas xim, huv nrog nrog tus neeg sawv cev txo qis, ntxiv 32.5% (380Be) NaOH 3-5mL / L, kev tuav pov hwm hmoov 3 ~ 4g / L, kho ntawm 70 ℃ rau 30min, tom qab ntawd ntxuav txias, ntxuav kub, ntxuav txias, nruab nrab nrog acetic acid.

7, siab gram zoo knitted npuag dyeing da dej piv hauv 1:10 lossis ntau dua, thiab xaiv xa cov ntaub npuag tuab dua cov yauv tshuab hauv dyeing Yog tias los ntawm cov khoom nruab nrab, yuav tsum nyob hauv chav da dej me me piv dyeing tshuab dyeing, ces yuav tsum tsim nyog los txo cov nqi ntawm daim ntaub muaj peev xwm los xyuas kom meej tias cov ntaub khiav ceev.

8. Rau qee yam cov xoos xaim uas cuam tshuam rau cov hlau ions, xws li Red 3B (Liab 60), cov dej muag yuav tsum tau siv rau kev tsim khoom los tiv thaiv cov tsos xim thiab stains.

9 、 Ntxiv dag zog rau kev tswj hwm ntawm qhov chaw tsim khoom, tsim cov txheej txheem kom yog ntawm kev siv dyeing thiab cov khoom siv tshuaj, ntxiv rau cov koom haum thiab cov tshuaj pleev ua kom sib cais ib qho los ntawm ib qho, nruj me ntsis txwv tsis pub sib xyaw xim thiab cov khoom siv yam tsis muaj teeb meem, thiab cov xeb yuav tsum tau lim ua ntej nkag rau hauv lub tank Cov.

Cov xim tsis huv, rov ua dua, kho thiab ua kom zoo

1. Tsis zas xim

Qhov ntsuas qib homogeneity ntawm cov xim nqus tau cuam tshuam txog qhov sib piv ntawm cov xim sib txawv thiab tus nqi nqus tau. Thaum lub caij nqus cov xim, qhov kev taw qhia ntawm cov kua ntws tau hloov pauv txhua txhua 8 mus. Txo cov da dej sib piv ntawm 1:12 txog 1: 6 hloov qhov homogeneity ntawm kev ua luam dej-hloov mus rau theem, txawm hais tias cov neeg tsis sib xws ntawm kev zas yog ntau tshaj tawm thaum pib. Thaum tov thiab dyeing, tsuas yog xaiv dyes nrog cov khoom sib xws diffusion tsis txaus los xyuas kom homogeneous dyeing.

Txij ntawm no, qhov sib xyaw sib xyaw ua lub luag haujlwm tseem ceeb. Yog tias peb dyes siv nyob rau hauv tib tus nqi, nws yog qhov tseeb siv cov dyes uas muaj cov yam ntxwv zoo tib yam. Txawm li cas los xij, yog tias qhov ntau npaum ntawm ob lub dyes yog qhov loj dua, thiab qhov sib txawv ntawm cov xim thib peb yuav tsum qis dua, txwv tsis pub nws nrawm dua li lwm ob lub dyes kom nqus tau qhov nrawm, yooj yim los ua kom tsis muaj xim.

2 、 Recrystallisation zoo

Cov khoom tawg yooj yim feem ntau vim qhov rov ua kom sov thiab ua kom txias, rov ua dua qub, ntau dua 1nm, ntxiv cov khoom tawg, tuaj yeem txo cov khoom ua recrystallisation kom tsawg. Thaum lub sij hawm zas, thaum lub zas xim da dej txias txias los ntawm 130 ° C txog 90 ° C, qee qhov dyestuffs zoo li rov ua dua tshiab yooj yim, ua rau muaj kev sib txhuam tsis zoo ntawm kev zas xim thiab txawm thaiv ntawm lub lim hauv qhov kub thiab lub tshuab dyeing siab.

Kev tiv thaiv kev ntsuas

1 、 Khaws 100 ℃ kom ntev, lub pluaj zam yog qhov yooj yim rau kev coagulate, kho cov cua kub ceev ntawm 100 ℃ txog 130 ℃.

2 、 Yog tias tau zas xim sib npaug lawm, cov xaim dej hauv cov xim da dej yuav rov ua dua tshiab thiab ntau dua cov khoom xa tuaj yuav tsum tau ntxiv.

3, qee qhov dos quinone hom liab disperse dyes xws li CI disperse liab 53, 60, 92, 121, 132, 159, thiab lwm yam nyob rau hauv qhov zas xim ze rau qhov kawg, txawm tias nws qhov kev txiav txim siab qis dua qib siab, tab sis kuj yooj yim kom tshwm sim recrystallisation, zas xim tsaus xim thaum pom tseeb. Tshwj xeeb tshaj yog thaum dyeing nrog dej nyuaj, nws yog qhov yooj yim chelate nrog hlau ions, thiab cov chelates uas tau ua tiav yog tsis tshua yaj nyob rau hauv kev zas xim, tawm hauv cov xim xiav lossis xim xim ntawm daim ntaub.

Lwm qhov cuam tshuam uas tuaj yeem ua rau recrystallisation yog qhov sib ntxiv ntawm cov koom haum thaum sib hloov, roj winding thiab alkaline seem. Cov teeb meem no tuaj yeem zam tau zoo los ntawm kev txhim kho los yog ntxiv cov chelating tus neeg sawv cev rau cov xim da dej ua ntej zas. Thaum cov xim av tshwm sim, kev txo kev ntxuav los sis kua qaub yuav raug siv los tshem tawm lawv.

3 ached Daim ntawv txuas thiab scorched zoo

Cov Cuam Tshuam: ua kom lub zog ntawm solubility ntawm cov khoom tawg yooj yim, txo cov hluav taws xob electrostatic kev sib tsuam, ntxiv rau qhov tsoo tus nqi ntawm cov xim zas ua kom muaj zog thiab nce lawv lub zog kev ua tiav. Nyob rau hauv dav dav, qhov ntau dua cov xim dyeing thiab kub thiab lub sijhawm zas ntev dua, ntau dua qhov muaj peev xwm ntawm kev nplaum thiab txhuam. Dyeing auxiliaries xws li cov neeg nqa khoom thiab cov qib kev sawv cev yuav cuam tshuam lub dispersant tov hauv qhov zas, yog li txo qis kev tawg nyob ruaj khov.

Kev ntsuas txhawm rau txhim kho kev ruaj khov thaum lub sij hawm dyeing

Kev rho tawm ntawm cov tshuaj pleev plhu ntawm 40 ° C thiab siv cov kev sib cais.

② Cov ntsuas kub zoo kom zoo tshaj thaum cua sov cov tshuaj ntxuav.

Siv cov khoom xa khoom tawg nrog kev tiv thaiv colloidal.

Tsis txhob siv cov khoom pab uas muaj qhov huab ua rau huab cua sov.

⑤ ntxuav tawm tag nrho cov dyestuffs thiab xov paj koom haum suav nrog emulsifiers ua ntej zas.

(vi) Thaum zas xim ntawm qhov kub thiab txias, cov kws nqa khoom thiab cov khoom lag luam uas tsis yog ionic yuav tsum tsis txhob ntxiv kom txog thaum feem ntau ntawm cov xim tau nyob ntawm daim ntaub.

(vii) Tsis muaj cov tshuaj ntsev coj los siv thiab tsuas yog cov kua qaub acetic acid siv los kho tus nqi pH.

(viii) Yarns lossis cov ntaub qhwv cov ntaub qhwv xim yuav tsum tsim kom muaj cov qauv zoo nkauj ua ntej thiab kuaj sim yuav tsum tau nqa tawm kom ntseeg tau tias qhov kev nyab xeeb ntawm cov tawg xim tawg.