Research progress of polypropylene/carbon nanotubes composites

doi:10.16085/j.issn.1000-6613.2018-0377

Abstract

Abstract: Polypropylene (PP), as a general purpose thermoplastic, has many advantages, such as excellent physical properties, simple processing, small density, rich source of raw materials and so on, which is widely used in electrical appliances, automotive and packaging industries. However, PP has many shortcomings, such as poor toughness, low temperature brittleness, poor impact resistance, low dielectric constant and poor dimensional stability of the product. Carbon nanotubes (CNT) have not only a unique tubular structure, but also the excellent mechanical, electrical, thermal and wear properties. The high performance composite materials of CNT and PP, which contain conductive, thermal conductivity and wear-resistant, would reveal broad application prospects. Therefore, the crystallization behavior, mechanical properties, electrical properties, frictional properties, thermal conductivity and other properties of polypropylene/carbon nanotube (PP/CNT) composites are reviewed emphatically. Meanwhile, the opinions and suggestions on the problems existed in the research and development of PP/CNT composites at present stage are put forward. Finally, the future development of PP/CNT composites is forecasted.

Key words: polypropylene, carbon nanotubes, composites, crystallization, attrition

摘要： 聚丙烯（PP）作为通用型热塑性塑料，具有物理性能优异、成型加工简单、密度小以及原料来源丰富等优点，广泛应用于电器、汽车和包装等行业。但是PP具有韧性差、低温脆性突出、抗冲击性能不佳、介电常数低、制品尺寸稳定性差等诸多缺点。碳纳米管（CNT）不仅具有独特的管状结构，还具有优异的力学、导电、导热以及耐磨等性能。将CNT和PP进行复合并制备出具有导电、导热、耐磨等高性能复合材料具有广阔的应用前景。因此，本文重点综述PP和CNT复合材料的新进展，主要包括结晶行为、力学性能、电学性能、摩擦性能、导热性能以及其他性能。针对现阶段PP/CNT复合材料研究和开发过程中存在的问题提出意见和建议，并对PP/CNT复合材料的未来发展做出展望。

关键词: 聚丙烯, 碳纳米管, 复合材料, 结晶, 磨损

CLC Number:

TQ325.1⁺4

PENG Wenli, ZHANG Wenxue, HUANG Anping, GAO Lin, CHEN Zhenbin, ZHU Bochao. Research progress of polypropylene/carbon nanotubes composites[J]. Chemical Industry and Engineering Progress, 2018, 37(12): 4735-4743.

彭文理, 张文学, 黄安平, 高琳, 陈振斌, 朱博超. 聚丙烯/碳纳米管复合材料的研究进展[J]. 化工进展, 2018, 37(12): 4735-4743.

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