| Preparation of Graft Copolymer WPS-g-POE and Its Application in EPDM |
| Received:July 30, 2018 Revised:July 30, 2018 |
| DOI：10.12136/j.issn.1000-890X.2019.03.0189 |
| Key Words: wasted polystyrene；polyolefin elastomer；graft copolymer；Friedel-Crafts alkylation reaction；EPDM；curing characteristics；hot air aging resistance |
| Author Name | Affiliation | E-mail | | LU Wenwen* | Changzhou university | 1336521050@qq.com | | HUANG Yuzhen | Changzhou University | | | SHEN fan | Changzhou University | | | XU Jianping | Changzhou University | |
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| Abstract: |
| The graft copolymer，waste polystyrene（WPS）-g-polyolefin elastomer（POE），was prepared by Friedel-Crafts alkylation reaction，and the effect of WPS-g-POE amount on the properties of ethylene-propylene-diene rubber（EPDM） was investigated. The results showed that，the pretreated WPS generated Friedel-Crafts alkylation reaction with POE to form WPS-g-POE，the grafting ratio of WPS was 28.8%，and the gel content was 0. The physical properties and hot air aging resistance of the vulcanizates with WPS-g-POE were superior to those of the vulcanizates without WPS-g-POE，or with WPS/POE blend. The comprehensive physical properties of the vulcanizates with 10 phr WPS-g-POE were the best. Compared with the vulcanizate with WPS/POE blend，the vulcanizate with WPS-g-POE had more uniform dispersion and finer particles. |
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