| Study on MVQ/EPDM Blend |
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| DOI： |
| Key Words: MVQ；EPDM；blend；mechanical property；compatibilizer；micro-morphology |
| Author Name | Affiliation | | Dou Qiang | Nanjing University of Chemical Technology | | Wu Shishan | Nanjing University of Chemical Technology | | Zhu Xuehai | Nanjing University of Chemical Technology | | Jin Lin | Nanjing University of Chemical Technology | | Ren Juguang | Jiangsu Provincial Research Institute of Plastics |
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| Abstract: |
| The influences of the curing system，compatibilizer，silica as well as the blending technique and blending ratio on the mechanical properties and micro-morphology of MVQ/EPDM blend were investigated. The results showed that a blend with better properties could be obtained when 2.0～2.5 phr of DCP or 1.5～2.0 phr of 2，5-dimethyl-2，5-di（tertbutyl peroxy）hexane was used as curing agent；the physical properties，such as tensile strength，of the blend increased，the discontinuous phase decreased in size and dispersed more uniformly as the level of the compatibilizer increased up to 20 phr；the high effective transparent reinforcing silica was suitable for the blend to get good reinforcement when it was separately added to 110-8 MVQ and EPDM previously；it was better to mix the blend at the elevated temperature than at the low temperature；and the physical properties of the blend increased as the EPDM proportion increased. |
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