Characteristics of medical polymer based on an epoxy resin system - Curing reaction characteristics of biphenol epoxy monomer with phenolic functional hardeners

被引:8
作者
Kim, SW
Lu, MG
Shim, MJ [1 ]
机构
[1] Univ Seoul, Dept Life Sci, Seoul 130743, South Korea
[2] Univ Seoul, Dept Chem Engn, Dongdaemun Gu, Seoul 130743, South Korea
关键词
curing of polymer; DSC; liquid-crystalline polymer; thermosets;
D O I
10.1002/app.1988
中图分类号
O63 [高分子化学(高聚物)];
学科分类号
070305 ; 080501 ; 081704 ;
摘要
The reaction kinetics of a biphenyl epoxy/polyol system was characterized by an isoconversional mode under dynamic conditions using differential scanning calorimetry (DSC) measurements. The results showed that the curing of epoxy resins involves different reaction stages and the values of activation energy is dependent on the degree of conversion. At the initial stage of cure, the phenol hydroxyl-epoxy reaction is predominant, then the hydroxyl group generated during curing can catalyze the reaction. The results were supported by the isothermal experiments. (C) 2001 John Wiley & Sons, Inc.
引用
收藏
页码:1495 / 1503
页数:9
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