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两类水滑石对环氧树脂体系凝胶时间的影响
引用本文:姜俊青,张延武,刘金盾,张永战.两类水滑石对环氧树脂体系凝胶时间的影响[J].热固性树脂,2006,21(1):29-31.
作者姓名:姜俊青  张延武  刘金盾  张永战
作者单位:郑州大学化学工程学院,河南,郑州,450002
摘    要:采用水滑石降低环氧树脂/低分子质量聚酰胺固化体系的凝胶时间。考察了水滑石和丙氨酸交换后的水滑石及其加入量对体系凝胶时间的影响,发现水滑石的加入有利于凝胶时间的降低;当低分子质量聚酰胺∶环氧树脂的质量比值>0.7时,比未改性水滑石更有利于凝胶时间的降低;丙氨酸交换后水滑石的加入量越高,凝胶时间越短。

关 键 词:低分子质量聚酰胺  环氧树脂  水滑石  凝胶时间
文章编号:1002-7432(2006)01-0029-03
收稿时间:2005-07-31
修稿时间:2005-08-23

Effect of hydrotalcite on the gelation time of epoxy resin
Jiang Jun-Qing,Zhang Yan-Wu,Liu Jin-dun,Zhang Yong-Zhan.Effect of hydrotalcite on the gelation time of epoxy resin[J].Thermosetting Resin,2006,21(1):29-31.
Authors:Jiang Jun-Qing  Zhang Yan-Wu  Liu Jin-dun  Zhang Yong-Zhan
Affiliation:Chemical Engineering College, Zhengzhou Univercity, Zhengzhou 450002 , China
Abstract:The effect of hydrotalcite and organo-hydrotalcite exchanged by laetamic acid on gelation time of low molecular weight polyamide/epoxy resin system was studied.The results showed that addition of both hydrotalcite and(organo-)hydrotalcite exchanged by laetamic acid decrease the gelation time of low molecular weight polyamide/epoxy resin system,while organo-hydrotalcite was better than hydrotalcite for decreasing gelation time when the weight ratio of low molecular weight polyamide and epoxy was greater than 0.7 and gelation time of the system decreased as amounts of organo-hydrotalcite increase.
Keywords:low molecular weight polyamide  epoxy resin  hydrotalcite  gelation time
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