PBT/改性坡缕石纳米复合材料的结构和微观力学性能
Microstructure and Micro-Mechanial Properties of PBT/Modified AT Nanocomposites
查看参考文献12篇
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文摘
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采用熔融共混法制备了PAS改性AT/PBT纳米复合材料.结果表明:PBT/AT复合材料中的AT在低含量时可以达到纳米级的良好分散,而高含量时出现AT的团聚体;与PBT复合后.AT的典型衍射峰未变化,且AT对基体PBT的晶型也几乎没有影响.AT的加入对PBT的热分解过程影响不大.微观力学结果表明:作为纳米级填料的AT在含量较低时可以对复合材料的黏度和蠕变性能产生明显影响,而随着AT含量的进一步增加,由于AT本身的团聚,其影响作用减弱.AT作为纳米级填料的纳米效应是其使PBT微观力学性能改变的机理. |
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其他语种文摘
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Modified AT/PBT PNC were prepared by melt compounding. The results showed that a nanoscale dispersion of AT throughout the PBT matrix for lower AT content was achieved,however,aggregates of AT appeared for the composites with higher AT content. After compounded with PBT,the typical diffraction peaks of AT had no change. And the addition of AT had no effect on crystal type of PBT. The addition of AT into PBT matrix had almost no influence on thermal decomposition of PBT. As a nanoscale filler, the AT with lower content caused significant effects on viscosity and creep of the composites,and for the composites with higher AT content the actions weakened. The mechanism of AT reinforcing polymer matrix was its nanoscale effects. |
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来源
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塑料
,2009,38(2):95-97,117 【扩展库】
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关键词
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AT
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PBT
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复合材料
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结构
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黏弹性
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地址
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1.
河南科技大学, 河南, 洛阳, 471003
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河南科技大学, 洛阳市高分子科学与纳米技术重点实验室, 河南, 洛阳, 471003
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中国科学院兰州化学物理研究所, 固体润滑国家重点实验室, 甘肃, 兰州, 730000
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语种
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中文 |
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文献类型
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研究性论文 |
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ISSN
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1001-9456 |
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学科
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一般工业技术 |
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基金
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国家自然科学基金
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甘肃省自然科学基金
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中国科学院兰州化学物理研究所固体润滑国家重点实验室开放基金
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文献收藏号
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CSCD:3531996
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