Sulfur Black BR ​​sisungunuka m'madzi, Momwe mungadayire

Zovala za denim zopakidwa utoto ndi Sulfur Black BR ​​ndizodziwika kwambiri.Zida zopaka utoto zomwe timagwiritsa ntchito zimagwiritsa ntchito njira yosindikizira mosalekeza ndikudaya shaft ya warp, ndipo kupanga kwake kumakhala kokhwima.Sulfur Black BR ​​sisungunuka m'madzi, koma, imatha kusungunuka mu sodium sulfide solution pobwerera ku mtundu wobisika.Thupi lobisikali litha kupakidwa utoto pa ulusi wa cellulose kuti amalize utoto.Maonekedwe a utoto wa sulfure ndi ofanana ndi utoto wachindunji ndi utoto wa vat.The reductant ya Sulfur Black BR, sodium sulfide, imakhala ndi kuchepa kofooka, kotero sikophweka kuti sulfure wakuda achepetse.Panthawi imodzimodziyo, Sulfur Black BR ​​ndi yokhazikika pa kutentha kwakukulu.Utoto wa Sulfur Black BR ​​ukachepetsedwa ndikusungunuka ndi sodium sulfide, umapanga thiophenol, yomwe imasinthidwa kukhala sodium sulfide ndikusungunuka.
Njira ya utoto yopangidwa ndi utoto wa sulfure wochepetsedwa ndi sodium sulfide sikhazikika mokwanira.Utoto wa Sulfur Black BR ​​umangofunika kutsukidwa kwathunthu kuti uchotse sodium sulfide yotsalira pansaluyo ndipo ukhoza kukhala oxidized mokwanira ndi mpweya.Kuchuluka kwa sodium sulfide yogwiritsidwa ntchito kubwezeretsa ndi kusungunula Sulfur Black BR ​​sikungathe kuwerengedwa molondola.
Mukadaya ulusi ndi utoto wa Sulfur Black BR, uyenera kukhala ndi okosijeni kuti ukhale utoto wosasungunuka ndikukhazikika pa ulusi.sulfure wakuda akhoza kukhala oxidized bola ngati wachapidwa ndi mpweya wabwino.Mukadaya ndi utoto wothamanga kwambiri wa leuco pawiri, utotowo ukakhala ndi mpweya kapena sodium sulfide ndi wosakwanira, umapangidwa ndi okosijeni msanga kuti upangitse banga.Utoto wosiyana ndi wakuda wa sulfure ukhoza kupakidwa ndi fixing agent kuti mtundu usachedwe.Copper sulphate imatha kuyambitsa brittle fiber ya Sulfur Black BR, kotero kuti sulphate yamkuwa singagwiritsidwe ntchito kukonza.