| 阳离子水性聚氨酯研究进展 |
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| 引用本文： | 陆金昌,李仙尹,欧朝霞,陈麟. 阳离子水性聚氨酯研究进展[J]. 涂料工业, 2011, 41(1): 72-75 |
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| 作者姓名： | 陆金昌 李仙尹 欧朝霞 陈麟 |
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| 作者单位： | 1. 华东理工大学材料科学与工程学院,上海,200237
2. 上海材料研究所,上海,200437 |
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| 摘 要： | 介绍了阳离子水性聚氨酯的发展概况,包括阳离子水性聚氨酯的优点,目前存在的主要缺点,合成机理、合成方法及合成原料。简述了预聚物中R[n(—NCO)∶n(—OH)]值、亲水扩链剂的用量、中和剂的种类及中和度等因素对阳离子水性聚氨酯性能的影响。概述了阳离子水性聚氨酯的各种改性方法,包括环氧树脂改性、羟基硅烷改性、丙烯酸酯改性、纳米粒子改性等。介绍了阳离子水性聚氨酯在皮革涂饰剂、胶粘剂、织物整理剂等方面的应用概况,并对其发展方向作了展望。
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| 关 键 词： | 水性聚氨酯 阳离子 改性 |
Progress in Cationic Waterborne Polyurethane |
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| Lu Jinchang,Li Xianhui,Ou Zhaoxia,Chen Qi. Progress in Cationic Waterborne Polyurethane[J]. Paint & Coatings Industry, 2011, 41(1): 72-75 |
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| Authors: | Lu Jinchang Li Xianhui Ou Zhaoxia Chen Qi |
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| Affiliation: | Lu Jinchang1,Li Xianhui2,Ou Zhaoxia2,Chen Qi1(1.School of Materials Science and Engineering,East China University of Science and Technology,Shanghai 200237,China,2.Shanghai Research Institute of Materials,Shanghai 200437,China) |
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| Abstract: | This article has described the development of cationic waterborne polyurethane in aspects of advantages,disadvantages,mechanism of synthesis,the methods of synthesis and the raw materials for synthesis.The influencing factors on properties of cationic waterborne polyurethane were summarized,including the R[n(—NCO)∶n(—OH)] value of prepolymer,the content of hydrophilic chain extender,neutralizer and neutralization degree.Various modification methods for cationic waterborne polyurethane were also introduced,including modification with epoxy resin,hydroxy-terminated silane,polyacrylate and nano-particle.The applications of cationic waterborne polyurethane in coating of leather,adhesive and coating of textile were given,and the development trend of the cationic waterborne polyurethane was described. |
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| Keywords: | waterborne polyurethane cation modification |
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