| 橡胶型氯化聚乙烯结构研究 |
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| 引用本文： | 易红玲,郝梦轩,刘毓真.橡胶型氯化聚乙烯结构研究[J].橡胶工业,2004,51(12):713-717. |
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| 作者姓名： | 易红玲 郝梦轩 刘毓真 |
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| 作者单位： | 青岛科技大学,高分子科学与工程学院,山东,青岛,266042 |
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| 摘 要： | 研究橡胶型氯化聚乙烯(CPE)的氯分布、相对分子质量及其分布、残余结晶度及流变性能。结果表明，橡胶型CPE的氯原子主要以单取代的形式存在于分子链上；4种橡胶型CPE的-↑Mw由大到小顺序为CPE6335，CPE6135，CPE6235，CPEl40B，-↑Mw越大，CPE的门尼粘度越小；橡胶型CPE的氯含量越大、氯原子分布越均匀，其残余结晶度越小；橡胶型CPE熔体为剪切变稀流体。
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| 关 键 词： | 氯化聚乙烯 氯分布 相对分子质量 残余结晶度 流变性能 |
| 文章编号： | 1000-890X(2004)12-0713-05 |
| 修稿时间： | 2004年6月17日 |
Structure of CPE rubber |
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| YI Hong-ling,HAO Meng-xuan and LIU Yu-zhen.Structure of CPE rubber[J].China Rubber Industry,2004,51(12):713-717. |
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| Authors: | YI Hong-ling HAO Meng-xuan and LIU Yu-zhen |
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| Affiliation: | Qingdao University of Science and Technology,Qingdao University of Science and Technology and Qingdao University of Science and Technology |
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| Abstract: | The chlorine distribution,molecular weight and its distribution,residule crystallinity and rheological properties of different CPE rubbers were investigated by C-NMR,GPC and DSC.The results showed that the chlorine atom was attached to the molecular chain in single substituted way;the order of (M)_w for 4 different CPE rubbers was as follows:CPE6335>CPE6135>CPE6235>CPE140B,and the higher the (M)_w,the lower the Mooney viscosity of CPE rubber;the higher chlorine content and more uniform distribution of chlorine atom in CPE rubber,the lower residule crystallinity;and CPE rubber melt was a shear thinning fluid. |
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| Keywords: | CPE chlorine distribution molecular weight residule crystallinity rheological properties |
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