具有隔离结构的聚苯硫醚/石墨烯纳米片 复合材料的制备及电磁屏蔽性能研究

doi:10.19491/j.issn.1001-9278.2019.08.001

中国塑料 ›› 2019, Vol. 33 ›› Issue (8): 1-5.DOI: 10.19491/j.issn.1001-9278.2019.08.001

• 材料与性能 • 下一篇

具有隔离结构的聚苯硫醚/石墨烯纳米片复合材料的制备及电磁屏蔽性能研究

曹轶¹,杨家操¹,王孝军²,张刚²,龙盛如³,杨杰⁴

1. 四川大学高分子科学与工程学院
2. 四川省成都市四川大学材料科学与技术研究所
3. 四川大学分析测试中心（东区）
4. 四川大学材料科学与技术研究所

收稿日期:2019-04-22 修回日期:2019-04-26 出版日期:2019-08-26 发布日期:2019-08-26
基金资助:
国家自然科学基金

Preparation and Electromagnetic Interference Shielding Performance of Polyphenylene Sulfide/Graphene Nanoplates Composites with Segregated Structure

Received:2019-04-22 Revised:2019-04-26 Online:2019-08-26 Published:2019-08-26

摘要/Abstract

摘要： 导电填料石墨烯纳米片（GNPs）通过高速混合包覆于聚苯硫醚（PPS）树脂基体颗粒表面，再通过热压成型制备出具有完善隔离结构的PPS/GNPs复合材料。采用光学显微镜、扫描电子显微镜、电导率测试、电磁屏蔽性能测试对复合材料导电网络形貌、电性能和电磁屏蔽性能进行表征。结果表明，复合材料具有完善的隔离结构导电网络；隔离结构复合材料具备优异的电导率和电磁屏蔽效能（EMI SE），当GNPs含量为3.0 %（质量分数，下同）时，复合材料的电导率和EMI SE分别为25.6 S/m和41.0 dB。

Abstract: The graphene nanoplates (GNPs) were used as a type of conductive filler and coated onto the surface of polyphenylene sulfide (PPS) granules through high-speed mixing, and then the PPS/GNPs composites with a segregated structure were fabricated by compression molding. The morphology, electrical properties and electromagnetic interference shielding performance of the composites were investigated by use of optical microscope, scanning electron microscope, electrometer and vector network analyzer. The results indicated that there was a perfect segregated structure formed within the composites. With such a segregated structure, the composites exhibited outstanding electrical conductivity and electromagnetic interference shielding effectiveness (EMI SE). The composites achieved an electrical conductivity of 25.6 S/m and a high EMI SE of 41.0 dB when 3.0 wt% GNPs was incorporated.

曹轶杨家操王孝军张刚龙盛如杨杰. 具有隔离结构的聚苯硫醚/石墨烯纳米片复合材料的制备及电磁屏蔽性能研究[J]. 中国塑料, 2019, 33(8): 1-5.

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具有隔离结构的聚苯硫醚/石墨烯纳米片复合材料的制备及电磁屏蔽性能研究

Preparation and Electromagnetic Interference Shielding Performance of Polyphenylene Sulfide/Graphene Nanoplates Composites with Segregated Structure

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具有隔离结构的聚苯硫醚/石墨烯纳米片 复合材料的制备及电磁屏蔽性能研究

Preparation and Electromagnetic Interference Shielding Performance of Polyphenylene Sulfide/Graphene Nanoplates Composites with Segregated Structure

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具有隔离结构的聚苯硫醚/石墨烯纳米片复合材料的制备及电磁屏蔽性能研究