侧氨基聚硅氧烷改性聚氨酯涂层剂的制备与性能

doi:10.11949/j.issn.0438-1157.20150421

化工学报 ›› 2015, Vol. 66 ›› Issue (11): 4710-4715.DOI: 10.11949/j.issn.0438-1157.20150421

• 材料化学工程与纳米技术 • 上一篇下一篇

侧氨基聚硅氧烷改性聚氨酯涂层剂的制备与性能

雷海波^1,2, 罗运军², 冯丽娟¹, 王宝义³

1 潍坊科技学院山东半岛蓝色经济工程研究院, 山东潍坊 262700;
2 北京理工大学材料科学与工程学院, 北京 100081;
3 中国科学院高能物理研究所, 核分析技术重点实验室, 北京 100049

收稿日期:2015-04-03 修回日期:2015-05-06 出版日期:2015-11-05 发布日期:2015-11-05
通讯作者: 罗运军
基金资助:
山东省自然科学基金项目(BS2014CL029);潍坊市科技发展计划(2014GX042)。

Synthesis and characterization of side aminopolysiloxane modifiedpolyurethane textile coatings

LEI Haibo^1,2, LUO Yunjun², FENG Lijuan¹, WANG Baoyi³

1 Shandong Peninsula Blue Economy and Engineering Research Institute, Weifang University of Science and Technology, Weifang 262700, Shandong, China;
2 School of Materials Science &Engineering, Beijing Institute of Technology, Beijing 100081, China;
3 Key Laboratory of Nuclear Analysis Techniques, Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China

Received:2015-04-03 Revised:2015-05-06 Online:2015-11-05 Published:2015-11-05
Supported by:
supported by the Natural Science Foundation of Shandong Province (B52014CL029).

摘要/Abstract

摘要：

以侧氨基聚硅氧烷(SAPDMS)、聚四氢呋喃醚、聚乙二醇为混合软段,二羟甲基丙酸为亲水扩连剂,1,4-丁二醇为硬段调节剂,与异佛尔酮二异氰酸酯反应合成了水性有机硅改性聚氨酯(WSSPU),并以WSSPU为基础制备了防水透湿织物涂层剂。分别采用红外光谱、差热扫描量热仪、动态力学分析仪、正电子湮灭寿命谱等表征了WSSPU膜的组成与微观结构,考察了WSSPU膜的力学性能和涂层织物的防水透湿性能。结果表明,当侧氨基聚硅氧烷用量(质量比)< 15%时,可以制得稳定的乳液。聚硅氧烷改性后膜内部微相分离结构更加明显,自由体积空洞变大,透湿性能提高。

关键词: 侧氨基聚硅氧烷, 聚氨酯, 防水透湿, 乳液, 涂层, 复合材料

Abstract:

The water-borne side aminopolysiloxane modified polyurethanes (WSSPU) were prepared by polyaddition reaction using poly(tetramethylene oxide)glycol, polyethylene glycol, and side aminopolysiloxane as soft segments, dimethylolpropionic acid as hydrophilic chain extender, 1,4-butanediol as hard segment regulator and isophorone diisocyanate. The waterproof and moisture permeable textile coating agent was then fabricated based on WSSPU. The chemical composition and microstructure of WSSPU were characterized by infrared spectroscopy, differential scanning calorimetry, dynamic mechanical analyzer and positron annihilation lifetime spectroscopy, respectively. The mechanical properties of WSSPU films, the waterproofness and breathability of the coated fabric were determined. The results showed that the stable emulsion can be obtained at the amount of SAPDMS (mass ratio) below 15%. The modified polyurethane membranes had more serious micro-phase separation structure and increased free hole volume, resulting in improved moisture permeability.

Key words: aminopolysiloxane, polyurethane, waterproof and moisture permeable, emulsions, coatings, composites

中图分类号:

TQ314.2

雷海波, 罗运军, 冯丽娟, 王宝义. 侧氨基聚硅氧烷改性聚氨酯涂层剂的制备与性能[J]. 化工学报, 2015, 66(11): 4710-4715.

LEI Haibo, LUO Yunjun, FENG Lijuan, WANG Baoyi. Synthesis and characterization of side aminopolysiloxane modifiedpolyurethane textile coatings[J]. CIESC Journal, 2015, 66(11): 4710-4715.

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侧氨基聚硅氧烷改性聚氨酯涂层剂的制备与性能

Synthesis and characterization of side aminopolysiloxane modifiedpolyurethane textile coatings

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