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材料研究学报  1993, Vol. 7 Issue (2): 143-149    
  研究论文 本期目录 | 过刊浏览 |
自增强高性能聚合物的成型工艺同力学性能间相关性研究——2.超拉伸高聚物的弹性模量同其起始结构和成型工艺间的关系
宋名实;陈罕;胡桂贤
北京化工学院;北京化工学院;北京化工学院
STUDY ON THE RELATIONSHIP BETWEEN THE MECHANICAL PROPERTIES AND PROCESSING FOR SELF-REINFORCED POLYMERS2.Dependence of Tensile Modulus on the Processing and the Primary Structure of Polymers
SONG Mingshi CHEN Han HU Guixian (Beijing Institute of Chemical Technoloty)
引用本文:

宋名实;陈罕;胡桂贤. 自增强高性能聚合物的成型工艺同力学性能间相关性研究——2.超拉伸高聚物的弹性模量同其起始结构和成型工艺间的关系[J]. 材料研究学报, 1993, 7(2): 143-149.
, , . STUDY ON THE RELATIONSHIP BETWEEN THE MECHANICAL PROPERTIES AND PROCESSING FOR SELF-REINFORCED POLYMERS2.Dependence of Tensile Modulus on the Processing and the Primary Structure of Polymers[J]. Chin J Mater Res, 1993, 7(2): 143-149.

全文: PDF(487 KB)  
摘要: 本文提出一种表征超拉伸高聚物的拉伸模量新方法,从应力诱导结晶理论出发,推出了超拉伸高聚物的弹性模量同其起始结构和成型工艺条件间的定量关系式。当引入等速拉伸和起始分子量分布按Schultz-Flory 分布后,便得到其拉伸模量同起始数均分子量、超拉伸比、拉伸速率和试样长径比等间的定量关系式。采用该关系式处理了大量的实验数据,均得到了预期的直线。当引入超拉伸比和起始分子量趋近于无穷大后,就得到了预期的理论模量。
关键词 自增强高聚物超高模量应力诱导结晶成型工艺    
Abstract:In this paper a new approach to characterize the tensile modulus of highly ori-ented polymers(ultra high molecular weight polyethylene UHMWPE)was proposed.A newcorrelation between the tensile modulus with the processing condition and the primary structure
Key wordsself-reinforced polymers    super-drawn modulus    stress-induced crystallization    processing condition
收稿日期: 1993-04-25     
基金资助:国家自然科学基金,29070212
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