Thiourea
Khoom taw qhia
Thiourea yog cov organic sulfur compound, tshuaj formula CH4N2S, dawb thiab glossy crystal, iab saj, ntom 1.41g / cm³, melting point 176 ~ 178 ℃. Siv rau hauv kev tsim tshuaj, dyes, resins, molding hmoov thiab lwm yam ntaub ntawv raw, kuj siv los ua roj hmab vulcanization accelerator, hlau ntxhia flotation tus neeg saib xyuas thiab hais txog. Nws yog tsim los ntawm kev ua ntawm hydrogen sulfide nrog txiv qaub slurry los tsim calcium hydrosulfide thiab ces calcium cyanamide. Nws tuaj yeem npaj tau los ntawm melting ammonium thiocyanide, lossis los ntawm kev ua yeeb yam cyanamide nrog hydrogen sulfide.
Technical Index
Kev siv
Thiourea feem ntau yog siv los ua cov khoom siv raw rau kev sib txuas ntawm sulfathiazole, methionine thiab lwm yam tshuaj, thiab tseem tuaj yeem siv los ua cov khoom siv raw rau dyes thiab dyeing auxiliaries, resins thiab molding hmoov, thiab tseem tuaj yeem siv ua vulcanization accelerator rau roj hmab. , tus neeg sawv cev flotation rau hlau cov zaub mov, lub catalyst rau zus tau tej cov phthalic anhydride thiab fumaric acid, thiab raws li ib tug hlau xeb. inhibitor. Hais txog cov khoom siv yees duab, nws tuaj yeem siv los ua tus tsim thiab toner, thiab tseem tuaj yeem siv rau hauv kev lag luam electroplating. Thiourea kuj tseem siv rau hauv daim ntawv diazo photosensitive, hluavtaws cob coatings, anion exchange resins, germination promoters, fungicides thiab ntau lwm yam. Thiourea kuj tseem siv los ua chiv. Siv nyob rau hauv kev tsim tshuaj, dyes, resins, molding hmoov, roj hmab vulcanization accelerator, hlau ntxhia flotation agents thiab lwm yam raw khoom.
