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- Contact Person : Mr. Xiao john
- Company Name : Hangzhou Showland Technology Co., Ltd.
- Tel : 86-571-88920516
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reactive dyes
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Reactive dyes are used to dye fibres. The dyes contain a reactive group, either a heterocycle or an activated double bond, that, when applied to a fibre in an alkaline dye bath, forms a with an group on the cellulosic fibre.
R = Chromophore
Cell = Cellulose
Reactive dyeing is now the most important method for the coloration of cellulosic fibres. Reactive dyes can also be applied on and ; in the latter case they are applied under weakly acidic conditions. Reactive dyes have a low utilization degree compared to other types of dyestuff, since the functional group also bonds to water, creating .
Rank | Name of Dyes | Pattern |
1 | brill yellow R 4GLN 150% |
|
2 | golden yellow R-4RFN 100% |
|
3 | golden yellow RES 150% |
|
4 | yellow R-3RD 150% |
|
5 | Orange R-2RLN 100% |
|
6 | Orange RES 150% |
|
7 | Scarlet R-3G 100% |
|
8 | Scarlet RES 150% |
|
9 | Red R-2BF 100% |
|
10 | Red R-3BF 100% |
|
ES
reactive dyes
