Dye

Cov khoom no yog tsim rau dyeing thiab papermaking ntawm ntau yam ntaub ntawv pov tseg thiab ntoo pulp, nrog rau cov xim cardboard, hniav puag ntawv, chaw ua hauj lwm ntawv, zaub mov ntim ntawv thiab ntawv tshwj xeeb. Nws kho tau zoo mottled hues thiab npub tom qab tones ntawm pulp, thiab txhim kho xim uniformity ntawm cov khoom ntawv. Nws nta zoo compatibility, tsis muaj hlau clogging thiab tsis muaj lub tog raj kheej adhesion. Nws cov qauv tshwj xeeb molecular cov ntaub ntawv ruaj khov ua ke nrog cov ntawv fibers, ua kom zoo ib yam thiab ntev - xim, nrog rau kev tiv thaiv zoo heev rau fading thiab xim tsiv teb tsaws. Nws yog dav siv nyob rau hauv zus tau tej cov ntau yam xim ntawv cov khoom.

Nws raug nquahu kom dilute cov dyes mus rau qhov xav tau concentration nrog dej sov, tom qab ntawd ntxiv rau hauv lub hauv siab sib tov los yog ua ntej lub kiv cua twj tso kua mis. Kev sib xyaw txaus hauv cov pulp yuav tsum tau ua kom muaj xim zoo ib yam. Tsis txhob sib xyaw cov xim sib txawv los tiv thaiv nag lossis daus. Qhov ntau npaum li cas nyob ntawm lub hom phiaj xim qhov tob thiab hom pulp, feem ntau yog li ntawm 0.01% mus rau 0.5% raws li qhov cub- qhuav pulp. Kev sim kuaj ua ntej yog pom zoo kom paub meej tias qhov pom zoo npaum li cas.