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Polyoxymethylene/thermoplastic polyamide elastomer blends: Morphology, crystallization, mechanical, and antistatic properties
High Performance Polymers ( IF 2.1 ) Pub Date : 2021-04-20 , DOI: 10.1177/09540083211009284
Wei Fang 1, 2 , Xiaodong Fan 1 , Ruilong Li 2 , Lin Hu 2 , Tao Zhou 3
Affiliation  

Polyoxymethylene/thermoplastic polyamide elastomer (POM/TPAE) blends were prepared through melt extrusion in an attempt to improve the toughness and electrical properties of POM. The TPAE used in the study had the permanent antistatic effect, and its brand was MV2080. Acrylonitrile-butadiene-styrene copolymer grafted maleic anhydride (ABS-g-MAH) was added while preparing the POM/TPAE blends to improve the compatibility between TPAE and POM. The effects of TPAE and ABS-g-MAH on the morphologies, melting crystallization, dynamic mechanical analysis, surface resistivity and mechanical properties were examined in detail with various techniques. It was found that after adding 15 phr MV2080 as the modifier, the distribution of MV2080 in the blends was presented as many continuous long strips, which can be called “antistatic networks.” When using ABS-g-MAH as a compatibilizer, the surface resistivity of the samples 5#, 6#, and 7# which all containing 15 phr MV2080 with the best antistatic properties reached 107 Ω, and the impact strength of the above samples was all increased by more than 66%.



中文翻译:

聚甲醛/热塑性聚酰胺弹性体共混物:形态,结晶,机械和抗静电性能

通过熔融挤出制备聚甲醛/热塑性聚酰胺弹性体(POM / TPAE)共混物,以尝试改善POM的韧性和电性能。该研究中使用的TPAE具有永久的抗静电作用,其品牌为MV2080。在制备POM / TPAE共混物时,加入丙烯腈-丁二烯-苯乙烯共聚物接枝的马来酸酐(ABS-g-MAH),以改善TPAE和POM之间的相容性。用各种技术详细检查了TPAE和ABS-g-MAH对形貌,熔融结晶,动态力学分析,表面电阻率和力学性能的影响。发现在添加15 phr MV2080作为改性剂后,MV2080在共混物中的分布呈现为许多连续的长条,可以称为“抗静电网络”。7 Ω,和上述样品的冲击强度都增加超过66%。

更新日期:2021-04-21
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