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β-晶型成核剂应用于聚丙烯(PP)中,可赋予PP制品优异的抗冲击性、耐热变形性和高气孔率。本文综述了近年来聚丙烯β-晶型成核剂的研究发展状况。重点介绍了β-晶型成核剂的作用、种类和优缺点,并提出了今后开发β-晶型成核剂时需要解决的问题。
β-crystal nucleating agent used in polypropylene (PP), can give PP products excellent impact resistance, thermal deformation resistance and high porosity. This review summarizes the research progress of polypropylene β-crystal nucleating agents in recent years. The effects, types and advantages and disadvantages of β-nucleating agents are introduced emphatically. The problems to be solved in the future development of β-nucleating agents are also pointed out.