Yuav ua li cas dye textiles nrog ncaj dyes? Ntau tus neeg tsis paub yuav ua li cas siv cov dyes ncaj qha rau dye textiles, qhov tseeb, dyeing textiles tsis yooj yim heev, koj tsuas yog yuav tsum paub qhov kev ua tau zoo ntawm cov dyes ncaj qha, ua ke nrog cov kauj ruam meej.
Direct dyes yog dab tsi? Direct dyes muaj nyob rau hauv daim ntawv ntawm sulfonic acid los yog antelope raws li sodium ntsev, uas yuav ionize cov xim anions thiab sodium ions ntawm cov xim nyob rau hauv dej. Direct dyes yog siv rau flax nyob rau hauv tej yam kev mob ntawm nruab nrab los yog qaug zog alkali.
Nyob rau hauv nruab nrab los yog tsis muaj zog puag tej yam kev mob, cellulose fibers tsim cellulose ions, fiber nto nrog tsis zoo nqi, sodium ions nyob ib ncig ntawm lub fiber vim qhov kev txiav txim ntawm coulomb gravity (uas yog, lub gravitational kev txiav txim ntawm ob tug zoo thiab tsis zoo nqi Coulomb quab yuam yog muab faib ua lub ntiajteb txawj nqus. thiab repulsion ntawm tib tus nqi ntawm cov nqi yog repulsion), yuav tsum tau hloov mus rau fiber ntau interface, nyob rau saum npoo ntawm fiber ntau los ua diffusion txheej tis, qhov concentration yog siab tshaj ntawm fiber ntau interface, thiab nrog rau qhov nce ntawm qhov kev ncua deb ntawm fiber ntau interface, qhov concentration maj mam txo kom txog thaum nws sib npaug rau cov concentration ntau hauv cov tshuaj dye.
Yuav kom tswj tau tus nqi nruab nrab, yuav tsum muaj qhov sib npaug ntawm dye anion hloov mus rau fiber ntau hauv cov txheej txheem dye pigment anion hloov mus rau fiber ntau interface, vim hais tias lub coulomb quab yuam yog nyob deb, cov xim xim anion yog thawj zaug repulsed los ntawm Cov ions tsis zoo ntawm cov fiber ntau, tsuas yog cov vim yog kev sib tsoo lossis dyeing kub nce, Tsuas yog cov xim xim xim anion nrog lub zog siab dua tuaj yeem kov yeej lub zog diffusion los ntawm lub zog quab yuam, tawg los ntawm qee yam teeb meem thiab nkag mus rau qee qhov kev ncua deb, thiab lub van der Waals quab yuam raws li lub zog nyob ze ua lub zog tseem ceeb, yog li rub cov xim xim anion rau saum npoo ntawm cov fiber ntau thiab raug adsorbed los ntawm qhov chaw ntawm fiber ntau. Ntxiv diffusion mus rau sab hauv ntawm thaj tsam amorphous ntawm cov fiber ntau kom ua tiav cov txheej txheem dyeing diffusion dyeing, thiab cov txheej txheem dyeing yog pib dhau.
Yog li, thaum koj nkag siab tias cov dyes ncaj qha yog dab tsi, ces koj tuaj yeem siv cov dyes ncaj qha rau cov khaub ncaws, paj rwb, thiab txhua yam ntawm textiles.