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EPDM-g-MAH增韧PA 6 被引量:7

Structure and properties of polyamide 6 toughened by MAH grafted EPDM
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摘要 制备了三种不同黏度的马来酸酐接枝三元乙丙橡胶(EPDM-g-MAH),将其用于增韧聚酰胺(PA)6。通过傅里叶变换红外光谱、扫描电子显微镜、差示扫描量热法、力学性能测试等表征了三元乙丙橡胶(EPDM)对增韧PA 6体系结构与性能的影响。结果表明:EPDM-g-MAH改善了PA 6与EPDM的相容性,用黏度适中的EPDM得到的EPDM-g-MAH与PA 6(质量比为85∶15)共混,分散相尺寸较小且分散均匀,共混体系的力学性能得到提高,特别是Izod缺口冲击强度几乎为PA 6的10倍。 The authors prepared three kinds of maleic anhydride(MAH) grafted ethylene-propylene-diene monomer(EPDM) with different viscosity(EPDM-g-MAH) and used them for toughening polyamide(PA) 6.The influences of the EPDM on the structure and properties of the toughened PA 6 system were characterized by Fourier transform infrared spectroscopy(FTIR),scanning electron microscopy(SEM),differential scanning calorimetry(DSC) and mechanical properties tests.The results show that EPDM-g-MAH improves compatibility between EPDM and PA 6 matrix.The blend of EPDM-g-MAH containing EPDM with suitable viscosity and PA 6 has dispersed phase with smaller size and even distribution when the mass ratio of the former to the latter is 15 ∶ 85.The blend possesses the improved mechanical properties;especially its notched Izod impact strength is almost 9 times higher than that of pure PA 6.
出处 《合成树脂及塑料》 CAS 北大核心 2012年第4期1-4,29,共5页 China Synthetic Resin and Plastics
关键词 聚酰胺6 马来酸酐接枝三元乙丙橡胶 形态 增韧 力学性能 polyamide 6 maleic anhydride grafted ethylene-propylene-diene monomer morphology toughening mechanical property
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