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首页> 外文期刊>Journal of Applied Polymer Science >Pigment dyeing of polyamide-epichlorohydrin cationized cotton fabrics
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Pigment dyeing of polyamide-epichlorohydrin cationized cotton fabrics

机译：聚酰胺-表氯醇阳离子化棉织物的染色

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摘要

A synthesized cationic reagent named polyamide-epichlorohydrin (PAE) was used to cationize cotton fabrics which were dyed with nanoscale pigments after PAE modification. The results showed that when the PAE concentration was below 7% (owf), the K/S value increased nearly linearly with increasing of PAE concentration, and excess that concentration the K/S value did not increase further. With increasing the pH value of cationization bath, the K/S value increased first and then decreased, the maximum K/S value appeared at pH 9-10. Cotton fabrics cationized at 80°C for 20 min exhibited the best cationizing result. Both the pigment uptake and the color strength reached their own maximum values when the dye bath was neutral. When the pigment concentration was 1% (owf) the addition of 1g/L sodium chloride in the dye bath could decrease the pigment uptake while for 5% (owf) pigment concentration the uptake increased with increasing the amount of sodium chloride.
机译：合成的阳离子试剂聚酰胺-表氯醇（PAE）用于阳离子化棉织物，该织物在PAE改性后用纳米级颜料染色。结果表明，当PAE浓度低于7％（owf）时，K / S值随PAE浓度的增加几乎呈线性增加，而超过该浓度的K / S值则没有进一步增加。随着阳离子化液pH值的升高，K / S值先升高后降低，最大K / S值出现在pH 9-10时。在80°C下阳离子化20分钟的棉织物表现出最佳的阳离子化效果。当染料浴为中性时，颜料的吸收和色强度均达到其自身的最大值。当颜料浓度为1％（owf）时，在染浴中添加1g / L氯化钠会降低颜料的吸收，而对于5％（owf）颜料浓度，其吸收会随着氯化钠含量的增加而增加。

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