中国塑料 ›› 2020, Vol. 34 ›› Issue (8): 50-56.DOI: 10.19491/j.issn.1001-9278.2020.08.008

• 加工与应用 • 上一篇    下一篇

基于双转子连续混炼挤出机的PPS/CF复合材料制备及性能研究

丁大有, 马玉录, 谢林生(), 朱惠豪, 单喜良   

  1. 华东理工大学绿色高效过程装备与节能教育部工程研究中心,上海 200237
  • 收稿日期:2020-02-18 出版日期:2020-08-26 发布日期:2020-08-26

Preparation of PPS/CF Composites by a Twin⁃rotor Continuous Mixing Extruder

Dayou DING, Yulu MA, Linsheng XIE(), Huihao ZHU, Xiliang SHAN   

  1. Engineering Center of Efficient Green Process Equipment and Energy Conservation of Ministry of Education, East China University of Science and Technology, Shanghai 200237, China
  • Received:2020-02-18 Online:2020-08-26 Published:2020-08-26
  • Contact: Linsheng XIE E-mail:lsxie@ecust.edu.cn

摘要:

采用双转子连续混炼挤出机并通过熔融共混法制备了碳纤维(CF)增强聚苯硫醚(PPS)复合材料,并对其微观形貌、动态力学性能、力学性能和导电性能进行了研究,且对相关的影响因素进行了分析。结果表明,适当降低挤出机转子转速、提高CF含量可以改善PPS/CF复合材料的力学性能和导电性能;当转子转速为200r/min时,采用含量为20 % (质量分数,下同)的CF制得的PPS/CF复合材料的冲击强度达到49.94 J/m,体积电阻率达到60.65 Ω·cm,均优于纯PPS。

关键词: 聚苯硫醚, 碳纤维, 双转子连续混炼挤出机, 性能

Abstract:

Carbon fiber (CF)-reinforced poly(phenylene sulfide) (PPS) composites were prepared by a twin-rotor continuous mixing extruder, and their morphology, dynamic mechanical properties, mechanical performance and electrical properties were studied. The results indicated that the mechanical and electrical properties of PPS/CF composites could be improved by appropriately reducing the rotation speed of the extruder rotor and increasing the CF content. The composites achieved the impact strength of 49.94 J/m and the volume resistivity of 60.65 Ω·cm when the rotor speed was set to 200 r/min and the CF content was set as 20 %. These results suggested that the composites had better mechanical and electrical properties than pure PPS.

Key words: polyphenylene sulfide, carbon fiber, twin-rotor continuous mixing extruder, property

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