双端丙烯酰氧基丙基聚硅氧烷改性聚丙烯酸酯合成及性能

纺织学报 ›› 2013, Vol. 34 ›› Issue (12): 90-0.

双端丙烯酰氧基丙基聚硅氧烷改性聚丙烯酸酯合成及性能

孙晓芳¹,吴明华^1,2,孙段冰¹

1. 浙江理工大学生态染整技术教育部工程研究中心
2. 浙江理工大学先进纺织材料与制备技术教育部重点实验室

收稿日期:2012-11-27 修回日期:2013-08-31 出版日期:2013-12-15 发布日期:2013-12-16
通讯作者: 吴明华 E-mail:wmh@zstu.edu.cn

Synthesis and performance of polyacrylate latex modified with double terminated acryloyloxy-propyl polysiloxane

Received:2012-11-27 Revised:2013-08-31 Online:2013-12-15 Published:2013-12-16
Contact: Ming-Hua Wu E-mail:wmh@zstu.edu.cn

摘要/Abstract

摘要： 采用双端丙烯酰氧基丙基聚硅氧烷改性聚丙烯酸酯，并应用于涂料印花。研究了改性单体加入方式及用量对改性乳液和胶膜性能的影响，测定了改性聚丙烯酸酯胶乳、胶膜以及其涂料印花性能，并与双端丙烯酰氧基聚醚聚硅氧烷改性聚丙烯酸酯进行了比较。结果表明：采用混合法加入有机硅改性单体，其用量为8%~10%时，乳液聚合具有较高的单体转化率和较低的凝聚率；改性胶乳粒径为62nm左右，且分布较窄；改性胶膜具有较低的吸水率和较高的断裂功，涂料印花织物具有较好的色牢度和柔软性。与双端丙烯酰氧基聚醚聚硅氧烷改性聚丙烯酸酯相比，双端丙烯酰氧基丙基聚硅氧烷改性聚丙烯酸酯胶膜具有较强的疏水性和拉伸性能，相应其涂料印花具有较好的耐湿摩擦牢度。

关键词: 双端丙烯酰氧基丙基聚硅氧烷, 乳液聚合, 有机硅改性, 聚丙烯酸酯, 涂料印花

Abstract: A silicone modified polyacrylate latex was synthesized with double terminated acryloyloxy-propyl polysiloxane as modifier, and applied in pigment printing. The effects of addition methods of modifier and its dosages on the properties of modified latex and modified latex film were studied, the properties of modified latex, latex film and pigment printing were measured, and compared with that of the polyacrylate latex modified with double terminated acryloyloxy-polyether polysiloxane. The results showed that when modifier was added by being mixed with acrylate monomer, and its dosage was 8%~10%, the monomer conversion of emulsion polymerization was higher, the agglomerate rate was lower; the particle size of emulsion was about 62nm and its distribution was narrow, the modified film had low water absorption and higher fracture work, and the pigment printing fabric had good color fastness and soft handle. Compared with the polyacrylate latex modified with double terminated acryloyloxy-polyether polysiloxane, the polyacrylate latex film modified with double terminated acryloyloxy-propyl polysiloxane had better hydrophobic property and tensile properties, so its pigment printing had resistance to wet rubbing fastness.

Key words: double terminated acryloyloxy-propyl polysiloxane, emulsion polymerization, organic silicone modification, polyacrylate, pigment printing

孙晓芳吴明华孙段冰. 双端丙烯酰氧基丙基聚硅氧烷改性聚丙烯酸酯合成及性能[J]. 纺织学报, 2013, 34(12): 90-0.

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