| 双组分互穿网络/蒙脱土复合吸水橡胶的制备及性能 |
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| 引用本文： | 马涛,唐孝芬,刘玉章,魏发林,汤达祯.双组分互穿网络/蒙脱土复合吸水橡胶的制备及性能[J].高等学校化学学报,2009,30(2):408-412. |
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| 作者姓名： | 马涛 唐孝芬 刘玉章 魏发林 汤达祯 |
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| 作者单位： | 1. 中国地质大学,北京,能源学院
2. 中国石油勘探开发研究院,北京,100083 |
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| 基金项目： | 国家高技术研究发展计划(863计划) |
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| 摘 要： | 通过乳液聚合制备了双组分互穿网络/蒙脱土复合吸水橡胶, 采用透射电镜、扫描电镜对所制备样品进行了表征, 并考察了样品的吸水性能及吸水后的力学性能. 结果表明, 所制备的吸水橡胶中橡胶相与树脂相高度分散互穿, 吸水后材料表面未观察到相分离现象; 蒙脱土片层结构分散在材料中, 增加了材料的强度. 吸水过程缓慢, 前期吸水倍率与时间呈线性递增, 在40 d达到吸水平衡; 温度越高, 吸水倍率越大. 样品吸水倍率为6.5时, 弹性模量达到40000 Pa以上, 黏性模量为1000 Pa; 样品吸水倍率为25.8时受压破裂应变为80%左右.
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| 关 键 词： | 吸水橡胶 互穿网络 吸水倍率 力学性能 |
| 收稿时间： | 2008-05-12 |
Preparation and Performance of Water Absorption Rubber with Binary Interpenetrating Networks and Montmorillonite |
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| MA Tao,TANG Xiao-Fen,LIU Yu-Zhang,WEI Fa-Lin,TANG Da-Zhen.Preparation and Performance of Water Absorption Rubber with Binary Interpenetrating Networks and Montmorillonite[J].Chemical Research In Chinese Universities,2009,30(2):408-412. |
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| Authors: | MA Tao TANG Xiao-Fen LIU Yu-Zhang WEI Fa-Lin TANG Da-Zhen |
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| Institution: | 1.Energy College;China University of Geosciences;2.Research Institute of Petroleum Exploration and Development;PetroChina;Beijing 100083;China |
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| Abstract: | The water absorption rubber with interpenetrating networks and montmorillnite was prepared with emulsion polymerization.The sample was characterized via TEM,ESEM and SEM.Its water absorption performance and mechanical performance after water absorption were examined.The results indicate that the rubber phase and resin phase are excellent decentralized and interpenetrated in prepared water absorption rubber.There is no phase separation phenomenon in the surface of sample after water absorption.The peeled mon... |
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| Keywords: | Water absorption rubber Interpenetrating network Absorption rate Mechanical performance |
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