【摘要】 β晶聚丙烯由于其优异的力学性能逐渐成为聚丙烯改性研究的热点,在聚丙烯添加β晶成核剂是得到高β晶型含量的一种实用有效的方法。综述了等规聚丙烯β晶成核剂研究进展;总结了各种β晶成核剂作用和效果、β晶成核剂成核机理、动力学研究以及β晶聚丙烯结构与性能的关系;并展望了聚丙烯β晶成核剂的发展方向和前景。更多还原

【Abstract】 β-form polypropylene have been studied for more than 50 years yet,the excellent mechanical performances make it possible to substitute some engineering plastics, the nucleating agents play an important role in the nucleating system.The advances in the nucleating system of β-form polypropylene , nucleating mechanism and kinetics are reviewed.Trends in research of nucleating agents are also presented.更多还原