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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默認(rèn)
常備現(xiàn)貨
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純度
- 請(qǐng)選擇
- 99+%
- 99%
- 98+%
- 98%
- 97+%
- 97%
- 96+%
- 96%
- 95+%
- 95%
- 93%
- 90+%
- 90%
規(guī)格
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- 1mg
- 2mg
- 5mg
- 10mg
- 25mg
- 50mg
- 100mg
- 250mg
- 1g
- 5g
- 10g
- 25g
- 100g
- 500g
- 1000g
- 1kg
清空選項(xiàng)
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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
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BD013840521667-99-8AR
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¥826.00100g常備現(xiàn)貨
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Acid Green 16
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BD12745012768-78-4Absorbance(E1%1cm) min. 1100(H2O, 638.0 to 642.0 nm)
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¥860.005g
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Eriochrome Red B
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BD1274523618-63-1dye content 85%
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¥966.0025g
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5,5'-(1,1-Dioxido-3H-benzo[c][1,2]oxathiole-3,3-diyl)bis(2-hydroxy-3-methylbenzoic acid) trisodium salt
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BD3062863564-18-998+%
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¥312.005g
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Sodium 3-((5-chloro-2-hydroxyphenyl)diazenyl)-4,5-dihydroxynaphthalene-2,7-disulfonate
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BD008321271058-92-098%
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¥103.00100g
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Sodium 5-amino-4-hydroxy-3-((2-hydroxy-5-nitrophenyl)diazenyl)naphthalene-2,7-disulfonate
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BD013102413564-28-197%
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¥284.001g