媒介染料是一类酸性染料,原称酸性媒介染料。染料分子结构中含有能与金属离子络合的基团,染色时或染色后,需用金属媒染剂处理,以提高被染物的色牢度。常用的媒染剂是铬盐,有时也用铜盐、铝盐、铁盐等。主要用于蛋白质纤维的染色,也可用于聚酰胺纤维的染色。使用媒介染料着色的织物,具有较高的耐晒(色)牢度和耐皂洗(色)牢度,但色光较暗;同时在印染废水中常含有重金属离子,增加三废治理的难度。

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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
¥751.00100g常备现货
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¥860.005g
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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+%
¥3799.001kg
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BD008321271058-92-098%
¥103.00100g
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BD013102413564-28-197%
¥129.001g
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