| 有机硅烷偶联剂对水性聚氨酯材料性能的影响 |
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| 引用本文： | 赖小娟,沈一丁,王磊. 有机硅烷偶联剂对水性聚氨酯材料性能的影响[J]. 功能材料, 2011, 42(3): 490-493 |
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| 作者姓名： | 赖小娟 沈一丁 王磊 |
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| 作者单位： | 陕西科技大学化学与化工学院; |
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| 基金项目： | 国家自然科学基金资助项目(50973057); 陕西省自然科学基金资助项目(2010JQ6013,2009JQ6003) |
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| 摘 要： | 以IPDI为硬段,PTMG1000为软段,TMP为交联剂,APTES为封端剂,合成了一系列硅烷偶联剂改性水性聚氨酯乳液,并制备了水性聚氨酯的固化膜.FT-IR分析表明,APTES上的一NH2 与聚铵酯的端--NCO发生反应,成功地将硅烷结构引入聚氨酯分子中.TG分析表明,APTES的改性,提高了聚氨酯热稳定性.随着w(...
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| 关 键 词： | 聚氨酯 硅烷偶联剂 结构 机械性能 耐水性 |
Effect of silane coupling agent on the properties of aqueous polyurethane |
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| LAI Xiao-uan,SHEN Yi-ding,WANG Lei. Effect of silane coupling agent on the properties of aqueous polyurethane[J]. Journal of Functional Materials, 2011, 42(3): 490-493 |
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| Authors: | LAI Xiao-uan SHEN Yi-ding WANG Lei |
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| Affiliation: | LAI Xiao-juan,SHEN Yi-ding,WANG Lei(College of Chemistry and Chemical Engineering,Shaanxi University of Science & Technology,Xi'an 710021,China) |
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| Abstract: | A series of waterborne polyurethane modified by silane coupling agent were prepared with isophorone isocyanate as hard segment,polyether polyol as soft segment,trimethylol propane as crosslinking agent and 3-aminopropyltriethoxysilane(APTES) as end capping agent for polyurethane prepolymer.The films of waterborne polyurethane were prepared.Mechanical properties,water contact angle and water resistance of the films were measured.The particle size and distribution of the emulsion was tested by dynamic laser l... |
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| Keywords: | polyurethane silicane coupling agent structure mechanical properties water absorption |
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