| 改性纳米碳酸钙填充天然胶乳的超微结构及热稳定性 |
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| 引用本文： | 曾宗强,黄茂芳,余和平,王蕊,彭政.改性纳米碳酸钙填充天然胶乳的超微结构及热稳定性[J].高分子材料科学与工程,2011(8):99-101,105. |
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| 作者姓名： | 曾宗强 黄茂芳 余和平 王蕊 彭政 |
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| 作者单位： | 中国热带农业科学院农产品加工研究所农业部热带作物产品加工重点开放实验室;国家重要热带作物工程技术研究中心 |
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| 基金项目： | 科研院所技术开发研究专项(2008EG134285);中国热带农业科学院橡胶研究所基本业务费专项资金资助(XJSYWFZX2009-25) |
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| 摘 要： | 采用环氧化天然胶乳改性纳米碳酸钙,并与天然胶乳通过共混制备复合材料,用扫描电镜和热重分析仪研究了复合材料的形态结构和热氧稳定性。未改性碳酸钙-天然胶乳复合材料热失重温度无明显变化,经环氧化天然胶乳处理的碳酸钙与天然胶乳所制备复合材料的热失重温度明显升高,其中碳酸钙填充量为4%时,复合材料的起始失重温度比对照样提高了约6...
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| 关 键 词： | 纳米碳酸钙 环氧化天然胶乳 天然胶乳 复合材料 |
Microstructure and Thermal Stability of Natural Rubber Latex Filled with Modified Nano-CaCO3 |
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| Zongqiang Zeng,Maofang Huang,Heping Yu,Rui Wang,Zheng Peng.Microstructure and Thermal Stability of Natural Rubber Latex Filled with Modified Nano-CaCO3[J].Polymer Materials Science & Engineering,2011(8):99-101,105. |
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| Authors: | Zongqiang Zeng Maofang Huang Heping Yu Rui Wang Zheng Peng |
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| Affiliation: | 1(1.Chinese Agricultural Ministry Key Laboratory of Tropical Crops Processing,Agricultural ProductsProcessing Research Institute at Chinese Academy of Tropical Agricultural Sciences,Zhanjiang 524001,China;2.National Technology and Engineering Center of Key Tropical Product,Haikou 571700,China) |
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| Abstract: | The natural rubber/nano-CaCO3 composites were prepared with nano-CaCO3 modified using epoxidized natural rubber latex(ENRL) and the morphology and thermal stability were analyzed using scanning electron microscopy and thermal gravimetric analysis.As compared to the control,the initial temperatures of composites from unmodified nano-CaCO3 are almost unchanged,while those from the ENRL-modified nano-CaCO3 increase obviously.And the initial temperature of the composite rises from 356.29 ℃ to about 362.06 ℃ with the loading of 4% ENRL-modified nano-CaCO3.The results show that strong interaction exists between ENRL-modified nano-CaCO3 particles and rubber matrix,leading to the improvement of thermal stability of composite. |
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| Keywords: | nano-CaCO3 epoxidized natural rubber latex natural rubber latex composite |
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