SMA增容ABS/PA6共混体系的形态和力学性能

郭建兵; 秦舒浩; 罗筑; 于杰

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SMA增容ABS/PA6共混体系的形态和力学性能

更新时间：2026-09-14

- SMA增容ABS/PA6共混体系的形态和力学性能
- SMA增容ABS/PA6共混体系的形态和力学性能
- Issue 3, (2010)
- 作者机构：
  
  国家复合改性聚合物材料工程技术研究中心
- 作者简介：
- 基金信息：
- DOI：
  CLC：
- Published：2010
- 稿件说明：
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郭建兵, 秦舒浩, 罗筑, et al. SMA增容ABS/PA6共混体系的形态和力学性能[J]. 2010, (3).
DOI：

郭建兵, 秦舒浩, 罗筑, et al. SMA增容ABS/PA6共混体系的形态和力学性能[J]. 2010, (3). DOI：

摘要

采用熔融共混方法制备了苯乙烯-马来酸酐共聚物(SMA)增容的ABS/PA6共混物

用扫描电镜分析(SEM)、动态力学分析(DMA)对ABS/PA6共混物结构进行了表征

结果表明:未加相容剂的ABS/PA6二元共混物中

分散相易聚集

分散相粒径分布不均匀

相界面清晰

相容性差;加入相容剂后

ABS/PA6共混物的分散相粒径明显减小

分散相粒径分布均匀

单位体积上分散相的界面面积增大

在ABS含量为55%时

界面面积最小

ABS/PA6共混物发生相反转的范围变宽

且向高体积分数的PA6移动.

Abstract

ABS/PA6 blends compatibilized with styrene-maleic anhydride(SMA) was prepared in a corotating twin-screw extruder.SEM

DMA were used to characterize morphology.The results show that the compatibility of the blends prepared by pure PA6 and ABS is very poor.The boundary between the phase domains of PA6 and ABS without SMA is sharp and clear

and the dispersed phase is prone to congregate.In the case of adding SMA

the compatibility of PA6 and ABS is improved

the particle size of dispersed phase is decreased

interfacial area per volume unit dispersed phase is increased compared with the binary blends of PA6 and ABS

and the blend containing 55% ABS

interfacial area per volume unit dispersed phase is minimal

the existence of SMA causes a composition shift of phase inversion to a higher weight fraction of PA6.

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