| Structure of CPE rubber |
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| DOI： |
| Key Words: CPE；chlorine distribution；molecular weight；residule crystallinity；rheological properties |
| Author Name | Affiliation | | YI Hong-ling | Qingdao University of Science and Technology | | HAO Meng-xuan | Qingdao University of Science and Technology | | LIU Yu-zhen | 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 Mw for 4 different CPE rubbers was as follows:CPE6335＞CPE6135＞CPE6235＞CPE140B，and the higher the Mw，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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