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媒介染料是一類酸性染料,原稱酸性媒介染料。染料分子結(jié)構(gòu)中含有能與金屬離子絡(luò)合的基團(tuán),染色時(shí)或染色后,需用金屬媒染劑處理,以提高被染物的色牢度。常用的媒染劑是鉻鹽,有時(shí)也用銅鹽、鋁鹽、鐵鹽等。主要用于蛋白質(zhì)纖維的染色,也可用于聚酰胺纖維的染色。使用媒介染料著色的織物,具有較高的耐曬(色)牢度和耐皂洗(色)牢度,但色光較暗;同時(shí)在印染廢水中常含有重金屬離子,增加三廢治理的難度。

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1667-99-8 5-((3-Carboxy-5-methyl-4-oxocyclohexa-2,5-dien-1-ylidene)(2,6-dichloro-3-sulfophenyl)methyl)-2-hydroxy-3-methylbenzoic acid, trisodium salt
BD013840521667-99-8AR
¥826.00100g常備現(xiàn)貨
12768-78-4 Acid Green 16
BD12745012768-78-4Absorbance(E1%1cm) min. 1100(H2O, 638.0 to 642.0 nm)
¥860.005g
3618-63-1 Eriochrome Red B
BD1274523618-63-1dye content 85%
¥966.0025g
3564-18-9 5,5'-(1,1-Dioxido-3H-benzo[c][1,2]oxathiole-3,3-diyl)bis(2-hydroxy-3-methylbenzoic acid) trisodium salt
BD3062863564-18-998+%
¥312.005g
1058-92-0 Sodium 3-((5-chloro-2-hydroxyphenyl)diazenyl)-4,5-dihydroxynaphthalene-2,7-disulfonate
BD008321271058-92-098%
¥103.00100g
3564-28-1 Sodium 5-amino-4-hydroxy-3-((2-hydroxy-5-nitrophenyl)diazenyl)naphthalene-2,7-disulfonate
BD013102413564-28-197%
¥284.001g
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