Research progress of heat-resistant thermoplastic sizing agents

doi:10.16085/j.issn.1000-6613.2018-1069

Abstract

Abstract: At present, the research progress in thermosetting sizing agent system has been fairly advanced. However, the thermal setting sizing agent has a relatively low decomposition temperature, which makes it unable to meet the processing temperature requirements of carbon fiber reinforced thermoplastic resin matrix composites (CFRTP). Therefore, the research and development of heat-resistant thermoplastic sizing agent are of great importance for the improvement of comprehensive performance of CFRTP. This paper introduces the role of sizing agent and the main slurry commonly used in domestic and foreign heat-resistant thermoplastic sizing agents in recent years, pointing out that several types of sizing agents for thermoplastic resin matrices such as polyurethane, polyamide and nylon 6 have been industrialized successively in foreign countries. Preparation methods and study results of the three types of sizing agents including solvent-type, emulsion-type and water-based type are intensively introduced, and the advantages and disadvantages of those types of sizing agents are concluded. Finally, it is pointed out that the solvent-type sizing agent has several drawbacks including environmental pollution, waste of resources and potential safety hazard. It can be predicted that the emulsion-type and water-based heat-resistant sizing agent, that is compatible with the resin and environmentally friendly, will be the focus of future work.

Key words: carbon fiber, heat-resistant sizing agent, interface, composites, surfactants

摘要： 目前，针对热固性上浆剂体系的研究较成熟，但热固性上浆剂的分解温度较低，无法满足碳纤维增强热塑性树脂基复合材料（CFRTP）对加工温度的要求，所以研发耐热型热塑性上浆剂对提高CFRTP的综合性能意义重大。本文介绍了上浆剂的作用和近年来国内外耐热型热塑性上浆剂常用的主浆料，指出了国外聚氨酯、双马来酰亚胺和尼龙6等热塑性树脂基体的上浆剂已相继取得产业化的现状。重点综述了溶剂型、乳液型和水性上浆剂的制备方法及研究成果，并总结了3类上浆剂的优缺点。最后指出溶剂型上浆剂存在环境污染、资源浪费和安全隐患等缺陷，研发与树脂相容性好、环境友好的乳液型和水性上浆剂以及优化二者的制备工艺将是下一步工作的重点。

关键词: 碳纤维, 耐热型上浆剂, 界面, 复合材料, 表面活性剂

CLC Number:

TQ342⁺.74

HAO Ruiting, ZHANG Xuejun, TIAN Yanhong. Research progress of heat-resistant thermoplastic sizing agents[J]. Chemical Industry and Engineering Progress, 2018, 37(S1): 117-124.

郝瑞婷, 张学军, 田艳红. 耐热型热塑性上浆剂研究进展[J]. 化工进展, 2018, 37(S1): 117-124.

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