| 丙烯酸酯改性磺酸型水性聚氨酯乳液的合成及性能研究 |
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| 引用本文： | 张秀娥,王平华,刘春华,鲍刚,陈跃飞.丙烯酸酯改性磺酸型水性聚氨酯乳液的合成及性能研究[J].中国涂料,2011,26(12):26-31. |
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| 作者姓名： | 张秀娥 王平华 刘春华 鲍刚 陈跃飞 |
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| 作者单位： | 合肥工业大学化工学院高分子材料科学与工程系,合肥,230009 |
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| 摘 要： | 以甲苯二异氰酸酯(TDI-80)、聚酯二元醇为主要原料,1,4-丁二醇(BDO)为小分子扩链剂,丙烯酸羟乙酯(HEA)为封端剂,乙二胺基己磺酸钠(N60)为亲水扩链剂,成功制备了封端型水性聚氨酯乳液(WPU)。再以甲基丙烯酸甲酯(MMA)和丙烯酸丁酯(BA)对上述乳液进行接枝共聚,成功制备出丙烯酸酯-水性聚氨酯复合乳液(WPUA)。通过红外(FTIR)、透射电镜(TEM)、热重分析(TGA)、耐水性和力学性能测试等分析手段研究了WPUA乳液及其涂膜的结构与性能。结果表明,WPUA乳液具有良好的室温贮存稳定性及成膜性能,与WPU乳液相比,WPUA乳液粒径有所增大,且粒子呈核壳结构。其胶膜的耐热性、耐水性和力学性能较WPU胶膜均有所提高。
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| 关 键 词： | 磺酸盐 丙烯酸酯 水性聚氨酯 接枝共聚 |
Synthesis and Performance Study of Acrylate Modified Waterborne Sulfonic Polyurethane Emulsion |
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| Zhang Xiu'e,Wang Pinghua,Liu Chunhua,Bao Gang,Chen Yuefei.Synthesis and Performance Study of Acrylate Modified Waterborne Sulfonic Polyurethane Emulsion[J].China Paint,2011,26(12):26-31. |
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| Authors: | Zhang Xiu'e Wang Pinghua Liu Chunhua Bao Gang Chen Yuefei |
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| Affiliation: | Zhang Xiu'e,Wang Pinghua,Liu Chunhua,Bao Gang,Chen Yuefei(Department of Polymer Science and Engineering,Hefei University of Technology,Hefei 230009,Anhui Province) |
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| Abstract: | With toluene diisocyanate(TDI-80) and polyester diol as main raw materials,1,4-butylene glycol(BDO) as small molecule chain-extender,hydroxyethyl acrylate(HEA) as end capping agent,and ethylenediamine sulfonate(N60) as hydrophilic chain-extender,we have successfully prepared the end-capped waterborne polyurethane emulsion(WPU).Making the emulsion further undergo the graft copolymerization with methyl methacrylate(MMA) and butyl acrylate(BA),the acrylate-waterborne sulfonic polyurethane emulsion(WPUA) is giv... |
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| Keywords: | sulfonate acrylate water-borne PU graft copolymerization |
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