| Application of Compatibiliser in EPDM/Polyamide Blends |
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| DOI： |
| Key Words: compatibiliser；EPDM；polyamide；blend |
| Author Name | Affiliation | | Zhang Xiangfu | Shanghai Jiaotong University | | Zhang Yinxi | Shanghai Jiaotong University | | Zheng Haiou | Shanghai Jiaotong University | | Zhu Yutang | Shanghai Jiaotong University |
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| Abstract: |
| By the initiation of a rubber accelerator，grafting of maleic anhydride（MA）onto EPDM was accomplished to form a copolymer which serves as a compatibiliser for EPDM/polyamide（PA）blends.The MA grafting reactions on EPDM were carried out under various experimental conditions.It is shown that as the amount of EPDM-g-MA increases from 0 to 14 wt% based on total rubber，the tensile strentgth increases from 4MPa to 12MPa and solvent resistance is greatly improved too.SEM photos indicate that the polyamide particles in EPDM/EPDM-g-MA/PA blends are much smaller than that in EPDM/PA blends.Differential scanning calorimetry（DSC）measurement shows that EPDM/EPDM-g-MA/PA blends have two glass transition temperatures,-45.2 ℃ and 48 ℃，corresponding to the Tg of EPDM and PA.Therefore the EPDM/EPDM-g-MA/PA vulcanisates are multiphase systems. |
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