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首页> 外文期刊>Journal of Polymer Materials >Studies on Ethylene-Propylene-Dsene-Terpolymer (Epdm)/Fluorocarbon Rubber(fkm) Blends: Effect of Maleic Anhydride Grafted Ethylene-Propylene- Diene-Terpolymer as a Compatibiiizer
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Studies on Ethylene-Propylene-Dsene-Terpolymer (Epdm)/Fluorocarbon Rubber(fkm) Blends: Effect of Maleic Anhydride Grafted Ethylene-Propylene- Diene-Terpolymer as a Compatibiiizer

机译：乙烯-丙烯-二烯-三元共聚物（Epdm）/氟碳橡胶（fkm）共混物的研究：马来酸酐接枝的乙烯-丙烯-二烯-三元共聚物作为增容剂的作用

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摘要

Fluorocarbon elastomers (FKM) are excellent polymers known for their high temperature applications. Ethylene-propylene-diene monomer rubber (EPDM) is an excellent polymer for outdoor applications. FKM was blended with EPDM at various blend ratios, and the cure characteristics and the mechanical properties of the blends were studied. The effect of maleic anhydride grafted EPDM (MA-g-EPDM) as a compatibiiizer in a 50/50 EPDM/FKM blend was studied in detail. The addition of the MA-g-EPDM improved the compatibility of EPDM/FKM blends. The thermal stability of FKM/EPDM rubber blends was studied using thermogravimetric analysis (TGA). The mechanical properties are improved by the addition of MA-g-EPDM. The incorporation of FKM rubber improved the thermal stability of EPDM rubber. The differential scanning calorimetry (DSC) results suggest that Glass transition temperature (T_g) peak for EPDM region is shifted to FKM phase, due to improved compatibility on addition of compatibiiizer. The morphology of EPDM/FKM blends was investigated by scanning electron microscopic studies. The phase morphology obtained is in good agreement with the mechanical properties.
机译：氟碳弹性体（FKM）是出色的聚合物，因其高温应用而闻名。乙丙丙烯二烯单体橡胶（EPDM）是用于户外应用的出色聚合物。将FKM与EPDM以各种混合比例混合，并研究了混合物的固化特性和机械性能。详细研究了马来酸酐接枝的EPDM（MA-g-EPDM）作为增容剂在50/50 EPDM / FKM共混物中的作用。 MA-g-EPDM的添加改善了EPDM / FKM混合物的相容性。使用热重分析（TGA）研究了FKM / EPDM橡胶混合物的热稳定性。通过加入MA-g-EPDM改善了机械性能。 FKM橡胶的加入改善了EPDM橡胶的热稳定性。差示扫描量热法（DSC）结果表明，由于添加了相容剂改善了相容性，EPDM区的玻璃化转变温度（T_g）峰移至FKM相。通过扫描电子显微镜研究了EPDM / FKM共混物的形态。所获得的相形态与机械性能非常吻合。

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