| PU/BA-HEMA互穿网络型聚合物的合成及性能 |
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| 引用本文： | 张静丽,吴冬梅,张勤勤,杨冬亚,邱凤仙.PU/BA-HEMA互穿网络型聚合物的合成及性能[J].化工进展,2009,28(9). |
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| 作者姓名： | 张静丽 吴冬梅 张勤勤 杨冬亚 邱凤仙 |
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| 作者单位： | 江苏大学化学化工学院,江苏,镇江,212013 |
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| 基金项目： | 江苏省自然科学基金(BK2008247);;中国博士后科学基金(20070420973);;江苏省博士后科研资助计划项目(0602037B);;江苏省教育厅自然科学基金(08KJB150004)资助 |
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| 摘 要： | 以异佛尔酮二异氰酸酯(IPDI)、二羟甲基丙酸(DMPA)为硬段,聚醚多元醇(N220)为软段,以丙烯酸丁酯(BA)和甲基丙烯酸羟乙酯(HEMA)改性,制备了水性聚氨酯(PU)分散液,测定了水分散液及其膜的物理性能和力学性能。结果表明,与未改性的PU水分散液相比,改性聚氨酯水分散液的粒径均有所增大,表面张力减小,力学性能和硬度提高。HEMA的引入,形成了具有化学交联的核-壳互穿网络结构的聚合物,说明改性材料中分子链硬段与PA分子链具有较高的相容性。
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| 关 键 词： | 水性聚氨酯 丙烯酸树脂 核壳 乳液 |
Preparation and properties of interpenetrating polymer networks from PU/BA-HEMA |
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| ZHANG Jingli,WU Dongmei,ZHANG Qinqin,YANG Dongya,QIU Fengxian.Preparation and properties of interpenetrating polymer networks from PU/BA-HEMA[J].Chemical Industry and Engineering Progress,2009,28(9). |
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| Authors: | ZHANG Jingli WU Dongmei ZHANG Qinqin YANG Dongya QIU Fengxian |
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| Affiliation: | School of Chemistry and Chemical Engineering;Jiangsu University;Zhenjiang 212013;Jiangsu;China |
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| Abstract: | Waterborne polyurethane(PU) aqueous dispersions were prepared by the modification with butyl acrylate(BA) and 2-hydroxyethyl methacrylate(HEMA),in which the PU was synthesized from isophorone diisocyanate(IPDI) with dihydroxymethylpropionic acid(DMPA) as the hard segment and polyether polyols(N220) as the soft segment.The physical and mechanical properties of the prepared aqueous dispersions and membranes were investigated.Results showed that the modified PU has a larger particle size,a smaller surface tens... |
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| Keywords: | waterborne polyurethane acrylic resin nuclear-shell emulsion |
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