Denim khaub ncaws dyed nrog Sulfur Black BR yog nrov heev.Cov khoom siv dyeing uas peb siv tau txais cov txheej txheem ntawm kev luam ntawv tas li thiab dyeing ntawm warp ncej, thiab cov txheej txheem ntau lawm kuj paub tab.Sulfur Black BR yog insoluble hauv dej, tab sis, nws tuaj yeem yaj hauv cov tshuaj sodium sulfide los ntawm kev rov qab mus rau cov xim zais.Lub cev xim no tuaj yeem dyed ntawm cellulose fibers kom tiav cov txheej txheem dyeing.Cov khoom ntawm sulfur dyes zoo ib yam li cov dyes ncaj qha thiab vat dyes.Cov reductant ntawm Sulfur Black BR, sodium sulfide, muaj qhov tsis muaj zog txo qis, yog li nws tsis yooj yim rau kev txo cov sulfur dub.Nyob rau tib lub sijhawm, Sulfur Black BR yog qhov ruaj khov ntawm qhov kub thiab txias.Thaum Sulfur Black BR dye raug txo thiab yaj nrog sodium sulfide, nws tsim thiophenol, uas hloov mus rau hauv sodium sulfide thiab yaj.
Cov tshuaj dye muaj li ntawm sulfur dyes txo los ntawm sodium sulfide tsis ruaj khov txaus.Cov Sulfur Black BR dye tsuas yog yuav tsum tau ntxuav tag nrho kom tshem tawm cov seem ntawm sodium sulfide ntawm cov ntaub thiab tuaj yeem ua kom tag nrho oxidized los ntawm huab cua.Tus nqi ntawm sodium sulfide siv los kho thiab yaj Sulfur Black BR tsis tuaj yeem suav tau raug.
Tom qab dyeing cov fiber ntau nrog Sulfur Black BR dye, nws yuav tsum tau oxidized kom nws ua insoluble dye thiab tsau ntawm fiber.sulfur dub tuaj yeem oxidized yog tias nws ntxuav thiab tso cua.Thaum dyeing nrog dyes nrog ceev oxidation tus nqi ntawm leuco compound, yog hais tias cov dye yog raug rau huab cua los yog sodium sulfide tsis txaus, nws yuav oxidized ntxov ntxov ua stain.Dyes uas tsis yog leej faj dub tuaj yeem kho nrog tus neeg saib xyuas kom txhim kho xim ceev.Copper sulfate tuaj yeem ua rau lub nkig fiber ntau ntawm Sulfur Black BR, yog li tooj liab sulfate tsis tuaj yeem siv los kho.
Post lub sij hawm: Oct-28-2022