分散染料染色法制备的彩色聚(苯乙烯-丙烯酸)纳米球

doi:10.11944/j.issn.1000-0518.2015.01.140117

摘要/Abstract

摘要：

在低于聚合物纳米球玻璃化转变温度(110.69 ℃)的条件下,用两种分散染料对聚(苯乙烯-丙烯酸)[P(St-co-AA)]纳米球染色,研究了染色温度(75~95 ℃)和染料用量(1%~5%)对纳米球上染料吸附量的影响。结果表明,染色温度越高,分散染料用量越大,所得到聚合物纳米球的颜色越深越鲜艳。分子结构中氨基和羟基数量多的分散蓝2BLN在纳米球上的吸附量低于相同染料用量时分散红FB的吸附量。经过染色后纳米球的表面变得很粗糙,粒径增加23 nm。用彩色纳米球对经过阳离子化处理的棉织物进行染色,利用很少量的彩色纳米球,就可以使织物获得较深且鲜艳的颜色。

关键词: 分散染料, 苯乙烯-丙烯酸共聚物, 彩色纳米球, 吸附量

Abstract:

Two disperse dyes were used to color poly(styrene-co-acrylic acid)[P(St-co-AA)] nanospheres at temperatures below the glass transition temperature of the nanoshperes(110.69 ℃). Then we studied the effect of temperature(75~95 ℃) and dye concentration(1%~5%) on the dye content adsorbed on the nanopheres.The results show that the higher the dyeing temperature the more the dye stained on the nanospheres. Increasing the dye concentration of dyeing bath results in higher dye contents on the nanospheres. Higher dye contents gave brighter and deeper colors of the nanospheres. The dye contents of the nanospheres colored with disperse blue 2BLN, which has two amino groups and two hydroxyl groups, are lower than the dye contents of the nanospheres colored with disperse red FB, which has one amino group and one hydroxyl group. After being dyed, the nanospheres become very rough and the size increases 23 nm. The cotton fabrics after cationic modification were dyed with the colored nanospheres. The dyed cotton fabrics obtain deep and bright colors with a very small amount of the colored nanospheres.

Key words: disperse dye, poly(styrene-co-acrylic acid), colored nanosphere, dye content

中图分类号:

O641

夏效杰, 房宽峻, 任斌, 蔡玉青, 张建波, 赵云国, 郝龙云. 分散染料染色法制备的彩色聚(苯乙烯-丙烯酸)纳米球[J]. 应用化学, 2015, 32(1): 64-70.

XIA Xiaojie, FANG Kuanjun, REN Bin, CAI Yuqing, ZHANG Jianbo, ZHAO Yunguo, HAO Longyun. Colored Poly(styrene-co-acrylic acid) Nanospheres Prepared by Dyeing with Disperse Dyes[J]. Chinese Journal of Applied Chemistry, 2015, 32(1): 64-70.

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