首页> 外文期刊>Journal of Applied Polymer Science >Ionomeric Polyblends of Zinc Salts of Maleated EPDM Rubber and Poly(ethylene-co-acrylic acid). I. Effect of Blend Ratio
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Ionomeric Polyblends of Zinc Salts of Maleated EPDM Rubber and Poly(ethylene-co-acrylic acid). I. Effect of Blend Ratio

机译:马来酸三元乙丙橡胶和聚(乙烯-共-丙烯酸)锌盐的离聚物共混物。一,混合比例的影响

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摘要

Ionomeric polyblends based on zinc salt of maleated EPDM rubber, abbreviated as Zn-mEPDM and zinc salt of poly(ethylene-co-acrylic acid), abbreiated as Zn-PEA in the compositoins of 90/10, 80/20, 70/30, 60/40, and 50/50, parts by weight, behave as ionic thermoplastic elastomers. The ionomeric polyblends show synergism in tenslle strength, tear strength, and hardness, which is believed to be due to the formation of intermolecular ionic crosslinks, facilitating compatibilization in the blends. The ionomeric polyblend exhibits higher physical properties than the corresponding nonionomeric polyblend. Dynamic mechanical thermal analyses show a high temperature transition due to the presence of a rigid phase arising out of hte restricted mobility regions of the polymer chains adjacent to the ionic aggregates. The reprocess-ability studies reveal that the ionomeric polyblend can be reprocessed.
机译:在90 / 10、80 / 20、70 / 30的复合物中,基于马来酸EPDM橡胶的锌盐(缩写为Zn-mEPDM)和聚(乙烯-丙烯酸)的锌盐的离聚物多掺合物重量份数为60/40和50/50,表现为离子热塑性弹性体。离聚物型共混物在拉伸强度,撕裂强度和硬度方面显示出协同作用,据信这是由于分子间离子交联的形成,促进了共混物中的相容性。离聚物型共混物比相应的非离聚物型共混物具有更高的物理性能。动态机械热分析显示出由于存在刚性相而导致的高温转变,该刚性相是由与离子聚集体相邻的聚合物链的有限的迁移率区域引起的。可再加工性研究表明,离聚物型共混物可以再加工。

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