Ua rau cov khaub ncaws daj
1. Yees duab daj
Diam duab yellowing yog hais txog yellowing ntawm qhov chaw ntawm textile khaub ncaws los ntawm molecular oxidation cracking cov tshuaj tiv thaiv vim hnub ci los yog ultraviolet lub teeb.Diam duab yellowing yog feem ntau nyob rau hauv lub teeb xim khaub ncaws, bleaching fabrics thiab whitening fabrics.Tom qab cov ntaub yog raug rau lub teeb, lub teeb lub zog yog pauv mus rau lubntaubdye, uas ua rau tawg ntawm dye conjugated lub cev thiab ces ua rau lub teeb fading thiab ntaub nto yellowing.Ntawm lawv, pom lub teeb thiab ultraviolet lub teeb yog lub ntsiab tseem ceeb uas ua rau fading ntawm azo dyes thiab phthalocyanine dyes.
2. Phenolic yellowing
Phenolic yellowing feem ntau yog NOX thiab phenolic tebchaw sib cuag thiab hloov thiab ua rau yellowing ntawm ntaub nto.Lub ntsiab reactive tshuaj feem ntau yog cov antioxidants muaj nyob rau hauv cov khoom ntim, xws li butyl phenol (BHT).Tom qab tawm hauv lub Hoobkas, cov khaub ncaws thiab khau yuav nyob rau hauv lub sijhawm ntev ntawm kev ntim khoom thiab kev thauj mus los.Yog li BHT nyob rau hauv cov khoom ntim yuav hnov mob nrog NOX hauv huab cua, uas ua rau yellowing.
3.Oxidation daj
Oxidation yellowing yog hais txog yellowing los ntawm oxidation ntawm fabrics los ntawm cua los yog lwm yam khoom.Textile garments feem ntau yog siv cov dyes los yogpabhauv dyeing thiab xov.Tom qab lawv tiv nrog oxidizing gases, yuav muaj oxidation-txo thiab ua yellowing.
4.Whitening agent yellowing
Tus neeg sawv cev whitening yellowing feem ntau tshwm sim ntawm lub teeb xim ntaub.Thaum cov residual whitening agent rau ntawm cov khaub ncaws saum npoo ntawm cov khaub ncaws tsiv teb tsaws vim qhov chaw cia ntev, nws yuav ua rau cov neeg ua kom dawb huv hauv zos thiab cov khaub ncaws daj.
5.Softening tus neeg sawv cev yellowing
Cov cationic ions nyob rau hauv lub softening auxiliaries siv nyob rau hauv lub finishing txheej txheem ntawm cov khaub ncaws yuav oxidized thaum raug tshav kub, lub teeb thiab lwm yam kev mob.Qhov ntawd ua rau yellowing ntawm softening qhov chaw ntawm cov ntaub.
Txawm hais tias yellowing yog muab faib ua tsib hom uas tau hais los saum no, hauv kev siv tiag tiag, cov khaub ncaws daj tshwm sim feem ntau tshwm sim los ntawm ntau yam laj thawj.
Yuav tiv thaiv khaub ncaws daj li cas?
1.Nyob rau hauv cov txheej txheem ntau lawm, cov tuam txhab lag luam yuav tsum sim txo qis kev siv cov tshuaj ntxuav hniav dawb, qis dua tus neeg sawv cev whitening yellowing standard.
2.Nyob rau hauv qhov chaw hauv kev ua tiav, qhov kub thiab txias yuav tsum tsis txhob siab dhau.Kub kub yuav ua rau cov dyes los yog auxiliaries nyob rau saum npoo ntawm daim ntaub tshwm sim oxidation cracking, thiab ces ua rau cov ntaub yellowing.
3.Nyob rau hauv cov txheej txheem ntawm kev ntim khoom, khaws cia thiab kev thauj mus los, yuav tsum tau siv cov khoom ntim nrog qis BHT.Thiab qhov chaw cia thiab kev thauj mus los yuav tsum khaws cia ntawm qhov kub thiab txias kom deb li deb tau kom tsis txhob muaj phenolic yellowing.
4.Nyob rau hauv cov ntaub ntawv ntawm phenolic yellowing ntawm textile khaub ncaws vim ntim, thiaj li yuav txo tau poob, ib tug tej yam npaum li cas ntawm cov hmoov txos yuav tawg nyob rau hauv qab ntawm lub ntim thiab lub thawv yuav tsum tau muab kaw rau 1 mus rau 2 hnub, ces qhib. thiab muab tso rau 6 teev.Tom qab qhov tsw ploj mus, lubkhaub ncawstuaj yeem rov ntim dua.Yog li ntawd yellowing tuaj yeem kho tau mus rau qhov siab tshaj plaws.
5.Nyob rau hauv txhua hnub hnav, tib neeg yuav tsum tau xyuam xim rau kev tu, ntxuav thiab maj mam thiab tsis txhob raug lub sij hawm ntev.
Post lub sij hawm: Jun-21-2022