| 双重交联水性聚氨酯的结构及其性能研究 |
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| 引用本文： | 赖小娟,沈一丁,王磊,李刚辉. 双重交联水性聚氨酯的结构及其性能研究[J]. 功能材料, 2011, 42(5): 940-943 |
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| 作者姓名： | 赖小娟 沈一丁 王磊 李刚辉 |
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| 作者单位： | 陕西科技大学,化学与化工学院,陕西,西安,710021 |
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| 基金项目： | 国家自然科学基金，陕西省自然科学基础研究计划资助项目 |
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| 摘 要： | 制备了酮肼交联及硅烷偶联双重改性水性聚氨酯.利用红外光谱(ATR-FTIR)和热失重法对膜结构及性能进行表征.ATR-FTIR证实成膜时酮肼交联反应的发生.TGA表明,DDP和KH550含量的增大提高了胶膜的热稳定性.当m(KH550)为10%,m(DDP)增大时,涂膜拉伸强度从20.09MPa增大到29.56MPa,...
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| 关 键 词： | 交联 水性聚氨酯 酮肼交联 KH550 性能 |
Structure and properties of double crosslinking waterborne polyurethane |
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| LAI Xiao-juan,SHEN Yi-ding,WANG Lei,LI Gang-hui. Structure and properties of double crosslinking waterborne polyurethane[J]. Journal of Functional Materials, 2011, 42(5): 940-943 |
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| Authors: | LAI Xiao-juan SHEN Yi-ding WANG Lei LI Gang-hui |
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| Affiliation: | LAI Xiao-juan,SHEN Yi-ding,WANG Lei,LI Gang-hui(College of Chemistry and Chemical Engineering,Shaanxi University of Science & Technology,Xi'an 710021,China) |
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| Abstract: | Ketone hydrazine crosslinking and silane coupling waterborne polyurethane(WPU) was prepared by using DDP as chain expanders and KH550 as end capping agent.The structure and property of the WPU films was confirmed by means of ATR-FTIR and TGA.FTIR results indicated that the reaction between ketone carbonyl and hydrazine has happened during the film curing.TGA indicated that thermal stability of the films are improved by increasing DDP and KH550 content.when m(KH550)=10% and DDP content increases,tensile stre... |
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| Keywords: | KH550 |
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