Characterization of Polyurethane/Montmorillonite Nanocomposites: Morphology and Thermodynamics

Sun Ce; Wang Zanru; Wang Qiong; Cao Jun; Li Wenlong; Tan Haiyan; Zhang Yanhua

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Characterization of Polyurethane/Montmorillonite Nanocomposites: Morphology and Thermodynamics

机译：聚氨酯/蒙脱石纳米复合材料的表征：形态学和热力学

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In this work, a series of polyurethane/montmorillonite (PU/MMT) nanocomposite films were prepared by in-situ polymerization method. The effect of MMT contents on the properties of the films was investigated using various test methods. MMT enhanced the thermal stability of the films, and the glass transition temperature of PU/MMT films was increased because MMT limited the movement of molecular chains of PU. MMT was well-dispersed in the nanocomposites because the agglomeration of MMT was inhibited by mechanical force. Especially in the PU/4% MMT nanocomposite, MMT showed the best dispersibility. This study showed that the addition of MMT effectively improved the properties of the PU/MMT nanocomposite films.

机译：在这项工作中，通过原位聚合方法制备了一系列聚氨酯/蒙脱石（PU / MMT）纳米复合膜。使用各种试验方法研究了MMT含量对膜性能的影响。 MMT增强了薄膜的热稳定性，因为MMT限制了PU的分子链的运动，PU / MMT膜的玻璃化转变温度增加。 MMT良好地分散在纳米复合材料中，因为MMT的聚集被机械力抑制。特别是在PU / 4％MMT纳米复合材料中，MMT显示出最佳的分散性。该研究表明，添加MMT的添加有效改善了PU / MMT纳米复合膜的性质。

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来源
《Journal of Polymers and the Environment》 |2021年第5期|1460-1466|共7页
作者
Sun Ce; Wang Zanru; Wang Qiong; Cao Jun; Li Wenlong; Tan Haiyan; Zhang Yanhua;
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作者单位

Northeast Forestry Univ Key Lab Biobased Mat Sci & Technol Minist Educ Harbin 150040 Peoples R China;

Northeast Forestry Univ Key Lab Biobased Mat Sci & Technol Minist Educ Harbin 150040 Peoples R China;

Wenzhou Polytech Wenzhou 325000 Peoples R China;

Northeast Forestry Univ Key Lab Biobased Mat Sci & Technol Minist Educ Harbin 150040 Peoples R China|Northeast Forestry Univ Postdoctoral Res Stn Mech Engn Harbin 150040 Peoples R China;

Northeast Forestry Univ Key Lab Biobased Mat Sci & Technol Minist Educ Harbin 150040 Peoples R China;

Northeast Forestry Univ Key Lab Biobased Mat Sci & Technol Minist Educ Harbin 150040 Peoples R China;

Northeast Forestry Univ Key Lab Biobased Mat Sci & Technol Minist Educ Harbin 150040 Peoples R China|Northeast Forestry Univ Postdoctoral Res Stn Mech Engn Harbin 150040 Peoples R China;

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正文语种 eng
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Polyurethane; Montmorillonite; X-ray photoelectron spectroscopy; Electron microscopy; Dynamic mechanical analysis;

机译：聚氨酯;蒙脱石;X射线光电子能谱;电子显微镜;动态机械分析;

Characterization of Polyurethane/Montmorillonite Nanocomposites: Morphology and Thermodynamics

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