| 聚氨酯固-固相变材料微相分离结构与相变原理分析 |
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| 引用本文： | 高毅.聚氨酯固-固相变材料微相分离结构与相变原理分析[J].中国塑料,2011,25(3):25-28. |
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| 作者姓名： | 高毅 |
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| 作者单位： | 中国工程物理研究院化工材料研究所 |
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| 基金项目： | 四川省生物质改性材料工程技术研究中心开放基金资助项目(09ZXBK07) |
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| 摘 要： | 分别利用固-液相变材料聚乙二醇(PEG)为软段,1,4-丁二醇(BDO))为扩链剂,按照不同的质量百分比与多元醇改性二苯基甲烷-二异氰酸酯(改件MDI)反应制得一系列聚氨酯固-同相变材料(PUPCM).利用偏光显微镜(POM)、差示扫描量热仪(DSC)等测试方法对其升温-降温热循环过程形态结构与性能变化进行在线观察.同...
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| 关 键 词： | 聚氨酯 相变材料 微相分离 相变实质 |
| 收稿时间： | 2010-11-2 |
Microphase Separation Structure and Analysis of Phase Transition Theory of Polyurethane Phase Change Materials |
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| GAO Yi,TIAN Chunrong,WANG Jianhua.Microphase Separation Structure and Analysis of Phase Transition Theory of Polyurethane Phase Change Materials[J].China Plastics,2011,25(3):25-28. |
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| Authors: | GAO Yi TIAN Chunrong WANG Jianhua |
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| Affiliation: | GAO Yi,TIAN Chunrong,WANG Jianhua*(Institute of Chemical Materials,China Academy of Engineering Physics,Mianyang 621900,China) |
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| Abstract: | Using polyethylene glycol(PEG) as soft segments,1,4-butanediol(BDO) as chain extender,and modified MDI as curing agent,a series of polyurethane phase change materials(PUPCM)was obtained.The change in morphology and properties of PUPCM during heating-cooling cycles was online observed using polarization microscope(POM),differential scanning caborimetry(DSC),and other testing methods.Atomic force microscope(AFM) revealed that the nature of phase change during the thermal cycling was the crystalline-amorphous ... |
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| Keywords: | polyurethane phase change material microphase separation phase change essence |
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