| Properties of PA6 toughened with EPDM-g-MAH and study on its impact fracture surface |
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| DOI： |
| Key Words: PA6；EPDM-g-MAH；blend；toughening；mechanical properties；SEM |
| Author Name | Affiliation | | ZENG Xing-rong | South China University of Technology | | ZHAO Jian-qing | South China University of Technology | | PANG Chun | South China University of Technology | | GONG Ke-cheng | South China University of Technology |
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| Abstract: |
| The influence of EPDM-g-MAH addition level on the properties of PA6 was studied and the impact fracture surface of PA6/EPDM-g-MAH blend was investigated by SEM.The results showed that the EPDM-g-MAH particles of discontinous phase were firmly bound to PA6 matrix to give the latter a significant toughening effect；and when the blending ratio of PA6/EPDM-g-MAH was 90/10，the best comprehensive properties of the blend were obtained，its impact strengths at 25 ℃ and -20 ℃ were respectively higher than those of PA6 by 64.8% and 106.6%，and moreover，the blend had excellent processibility for extrusion and inject. |
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