Nipa Sulfur Blue 7

Nọmba CAS:1327-57-7

Awọn ohun-ini: bluish-eleyi ti lulú. Insoluble ninu omi, tiotuka ninu iṣuu soda sulfide ojutu jẹ alawọ ewe-grẹy. O jẹ bulu-eleyi ti o ni sulfuric acid ti o ni ifọkansi ati pe o ti fomi po si ojoro buluu dudu kan. Awọn dai di a ina ofeefee ina awọ olifi ninu awọn ipilẹ mọto lulú ojutu, ati awọn atilẹba awọ le ti wa ni pada lẹhin ifoyina; Parẹ patapata ni iṣuu soda hypochlorite ojutu; O wa ni dudu eleyi ti lori ogidi sulfuric acid

Ọna iṣelọpọ: nitrosation ti phenol sodium nitrite ati sulfuric acid lati ṣe agbejade p-nitrosyphenol, condensation pẹlu o-toluidine tituka ninu acid sulfuric, idinku ati vulcanization pẹlu iṣuu soda polysulfide pẹlu nọmba irisi sulfur kan, ati lẹhinna nipasẹ ifoyina gaasi, ati nikẹhin nipasẹ sisẹ. , gbigbe, fifun pa ati itọju idiwọn lati ṣe awọn ọja. Lilo ohun elo aise (kg/t) O-toluidine (99%) 165-210 phenol (ile-iṣẹ) 185-220 sodium nitrite 195-230 caustic soda (100%) 1-20 soda eeru (ile-iṣẹ) 920-1120 imi-ọjọ (sulfuric acid) 100%) 900-1160 imi-ọjọ (99%) 430 soda sulfide (63.5%) 480-620 Yuan lulú 10

Nlo: O dara fun didin owu, hemp, viscose ati awọn aṣọ rẹ, ati pe o tun le ṣee lo fun dyeing fainali. Ọja yii jẹ awọ awọ buluu akọkọ ti ọgagun, awọ jẹ imọlẹ diẹ sii. Dyeing ilana iduroṣinṣin ko dara, rọrun lati oxidize ọgọrun pupa eti, petele, pupa iranran ati awọn miiran abawọn, paapa Sulfur blue BRN, Sulfur blue 7 jẹ rọrun lati Titunto si. Lilo awọ paadi le dinku eti pupa, erythema ati awọn abawọn miiran. Nitoripe nọmba awọn ipele ti iṣuu soda polysulfide ti a lo ninu iṣelọpọ ọja yii yatọ, awọn awọ iṣowo ni awọn awọ oriṣiriṣi. Ina bulu ni a npe ni Sulfur blue 7, ina pupa buluu ni a npe niSulfur Blue 7, ati ina pupa ni a npe ni Sulfur blue 7, eyi ti o yẹ ki o san ifojusi si nigba lilo. Sulfur blue 7 le ṣe iṣelọpọ nipasẹ lilo o-nitroethylbenzene, ọja nipasẹ-ọja ni iṣelọpọ chloramphenicol, dipo o-toluidine

Ile-iṣẹ wa ni akọkọ gbejadeEfin dudu, Efin Black Liquid, Sulfur Blue 7.Perennial okeere to Bangladesh. India. Pakistan. Egipti, ati Iran. Mejeeji ipese ati didara jẹ iduroṣinṣin paapaa. Diẹ pataki ni anfani idiyele