POM结晶改性技术研究进展  

Research Progress in Crystallization Modification Technology of POM

作　　者：刁鹏杰 金玉顺[1] 李响 刘若凡 关礼争 姚丽菲 伍一波[1] Diao Pengjie;Jin Yushun;Li Xiang;Liu Ruofan;Guan Lizheng;Yao Lifei;Wu Yibo(School of New Materials and Chemical Engineering of Beijing Institute of Petrochemical Technology,Beijing 102617,China;Kailuan Coal Chemical Research and Development Center,Tangshan 063018,China;Engineering Laboratory for Preparation and Processing of Polyformaldehyde in Petroleum and Chemical Industry,Tangshan 063018,China)

机构地区：[1]北京石油化工学院新材料与化工学院,北京102617 [2]开滦煤化工研发中心,河北唐山063018 [3]石油和化工行业聚甲醛制备及加工应用工程实验室,河北唐山063018

出　　处：《工程塑料应用》2023年第3期146-151,共6页Engineering Plastics Application

基　　金：高品质纺丝级聚甲醛性能研究及关键技术开发项目(H2022-068)。

摘　　要：综述了近年来国内外聚甲醛(POM)结晶改性方面的研究与应用进展,阐述了结晶改性的多种方法及其原理,详细介绍了无机成核剂、有机成核剂、金属类成核剂和复合成核剂对POM的结晶动力学参数、结晶度、结晶速率、球晶尺寸等结晶性能和缺口冲击强度、拉伸强度等力学性能的影响,简述了结晶抑制剂、调整加工工艺在结晶改性方面的研究现状。最后对POM结晶改性的研究方向提出了一些建议。This research review introduced the research and application progress of crystalline modification of polyoxymethylene(POM)worldwide in recent years.Various methods and principles of crystalline modification of POM has been expounded.The effects of inorganic nucleating agents,organic nucleating agents,metal nucleating agents and composite nucleating agents on the crystallization kinetics parameters,crystallinity,crystallization rate,spherulite size and other mechanical properties of POM,such as notch impact strength and tensile strength,have been illustrated in detail.The research progress of crystal inhibitor and processing adjustment methods in crystal modification of POM have been briefly described.Finally,some suggestions on the research direction of POM crystallization modification are discussed.

关 键 词：聚甲醛 结晶改性 成核剂 抑制剂 加工工艺 

分 类 号：TQ327.9[化学工程—合成树脂塑料工业]