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首页> 外文期刊>Journal of Polymer Research >Effect of poly(styrene-co-maleic anhydride) on physical properties and crystalline behavior of nylon-6/PEBA blends
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Effect of poly(styrene-co-maleic anhydride) on physical properties and crystalline behavior of nylon-6/PEBA blends

机译：聚（苯乙烯 - 二氧化马来酸酐）对尼龙-6 / PEBA共混物物理性质和结晶行为的影响

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摘要

This study investigated the effect of blending poly(styrene-co-maleic anhydride) (SMA) on the mechanical and thermal properties of nylon-6/polyether block amide (PEBA) blend. In these blends, nylon-6 was toughened with PEBA using SMA as the compatibilizer. All the blends were prepared via direct melt compounding using a co-rotating twin screw extruder. The amount of PEBA added affected the crystallization characteristics and the relative ratio of. and a crystalline phases of Nylon 6. The crystallization rate of Nylon 6 was also affected by the cooling rate and the amount of PEBA added. The results of mechanical tests showed that the tensile properties, flexural properties, and impact strengths of the nylon-6/PEBA were all increased when blended with 1 wt% of SMA, at both 23 and -20 degrees C. However, for neat nylon-6, the impact strength was not affected despite that both tensile and flexural properties were increased by the blending of SMA. The results indicated that SMA can increase the compatibility between nylon-6 and PEBA, thus expanding the usage of nylon-6/PEBA blend in low-temperature applications.
机译：本研究研究了将聚（苯乙烯 - 二氧化马来酸酐）（SMA）混合对尼龙-6 /聚醚嵌段酰胺（PEBA）混合物的机械和热性能的影响。在这些共混物中，使用SMA作为增容剂，用PEBA加固尼龙-6。通过使用共旋转的双螺杆挤出机通过直接熔融配混制备所有共混物。添加的PEBA的量影响了结晶特性和相对比。尼龙6的结晶相6也受冷却速率的影响，并加入的PEBA的量。机械测试的结果表明，当在23和-20℃下混合1wt％的SMA时，尼龙-6 / PEBA的拉伸性能，弯曲性能和冲击强度均升高。然而，对于整齐的尼龙-6，尽管SMA的混合增加了抗拉和弯曲性能，但冲击强度不受影响。结果表明，SMA可以增加尼龙-6和PEBA之间的相容性，从而扩展了低温应用中尼龙-6 / PEBA混合物的使用。

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