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等规聚丙烯DSC熔融双峰的成因
引用本文:朱新远,田国华,王国明,颜德岳,闫东航,周恩乐.等规聚丙烯DSC熔融双峰的成因[J].高分子材料科学与工程,2001,17(1):75-78.
作者姓名:朱新远  田国华  王国明  颜德岳  闫东航  周恩乐
作者单位:1. 上海交通大学化学化工学院
2. 中国科学院长春应用化学研究所
基金项目:中国科学院高分子物理联合开放实验室基金资助项目
摘    要:论述了多种产生熔融双峰的情况及原因,对最近研究等规聚丙烯DSC熔融双峰的进展进行了评述,最后,介绍了笔者在这一领域的最新研究成果。

关 键 词:熔融双峰  淬火  退火等温结晶  等规聚丙烯  DSC
文章编号:1000-7555(2001)01-0075-04

STUDY ON THE DSC DOUBLE ENDOTHERMS OF ISOTACTIC POLYPROPYLENE
ZHU Xin-yuan,TIAN Guo-hua,WANG Guo-ming,YAN De-yue,YAN Dong-hang,ZHOU En-Le.STUDY ON THE DSC DOUBLE ENDOTHERMS OF ISOTACTIC POLYPROPYLENE[J].Polymer Materials Science & Engineering,2001,17(1):75-78.
Authors:ZHU Xin-yuan  TIAN Guo-hua  WANG Guo-ming  YAN De-yue  YAN Dong-hang  ZHOU En-Le
Abstract:In this paper, various origins of the double melting endotherms of isotactic polypropylene are summarized according to the recent advances. In particular, three categories based on different thermal treatment condition:quenching, annealing and isothermal crystallization, are mainly reviewed and discussed. The double melting endotherms may result from different crystalline forms, two kind of lamellar thickness, or various morphologies, etc.. Thus the origin of double melting endotherms depends upon different crystallization conditions. At last, the recent research outcomes of the authors in this field are also introduced.
Keywords:double endotherms  quenching  annealing  isothermal crystallization
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