Segregated conductive CNTs/HDPE/UHMWPE composites fabricated by plunger type injection molding

Segregated conductive CNTs/HDPE/UHMWPE composites fabricated by plunger type injection molding
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柱塞式注射成型制备分离导电碳纳米管/HDPE/UHMWPE复合材料

DOI:
10.1016/j.matlet.2018.06.114
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发表时间:
2018-10
期刊:
影响因子:
3
通讯作者:
Shen Changyu
Shen Changyu
中科院分区:
材料科学3区
文献类型:
--
作者:
Zhai Wei;Sun Ruizhou;Sun Hongling;Ren Miaoning;Dai Kun;Zheng Guoqiang;Liu Chuntai;Shen Changyu

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由于偏析导电聚合物复合材料制备工艺的局限性,严重依赖于热压成型,效率低,大大阻碍了其优势的发挥。采用柱塞式注射成型技术(PTIM)制备了分离碳纳米管(CNTs)/高密度聚乙烯(HDPE)/超高相对分子质量聚乙烯(UHMWPE)复合材料,与传统的热压成型工艺相比,生产周期缩短了45%。对其形貌和导电性能进行了详细的研究。聚合物复合材料具有良好的偏析导电网络和很低的渗流阈值(0.45 体积%)。目前生产周期短的加工工艺,为实现分立式导电聚合物复合材料的规模化生产提供了新的思路。
The advantages of segregated conductive polymer composites are greatly hampered owing to its limited preparation technology, which seriously relies on hot compression with low efficiency. The plunger type injection molding (PTIM) is employed to fabricate segregated carbon nanotubes (CNTs)/high density polyethylene (HDPE)/ultra-high molecular weight polyethylene (UHMWPE) composites in this paper, which lowers the production cycle by 45%, compared with the conventional hot compression. The morphology and conductive properties are investigated in detail. Graceful segregated conductive network and a very low percolation threshold (0.45 vol%) of the polymer composites have both been achieved. The present processing technique with short production cycle provides a fancy idea to realize segregated conductive polymer composite in mass production.
通过注塑过程中的振动提高碳纳米管/聚丙烯复合材料的导电性
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