| 用于共注射RTM工艺的环氧树脂和酚醛树脂的工艺特性 |
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| 引用本文： | 尹昌平,肖加余,曾竟成,李建伟,江大志,刘钧.用于共注射RTM工艺的环氧树脂和酚醛树脂的工艺特性[J].固体火箭技术,2009,32(5). |
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| 作者姓名： | 尹昌平 肖加余 曾竟成 李建伟 江大志 刘钧 |
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| 作者单位： | 国防科技大学,航天与材料工程学院,长沙,410073 |
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| 摘 要： | 研究了用于共注射RTM工艺制备承载/隔热/防热一体化复合材料的酚醛树脂和环氧树脂的工艺特性.以苯并噁嗪为防热层的酚醛树脂基体,研究得到了满足共注射工艺条件的环氧树脂体系并确定了共注射的工艺窗口.研究结果表明,以E-44为基体树脂、以GA327改性芳胺为固化剂所构成的环氧树脂体系可作为承载层的基体树脂和苯并噁嗪树脂进行共注射,其共注射的工艺窗口温度为85～90 ℃,在此温度范围内,环氧树脂体系和低粘度保持时间大于20 min,满足了共注射RTM成型一体化复合材料的基本工艺要求.
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| 关 键 词： | 共注射RTM 环氧树脂 酚醛树脂 一体化复合材料 工艺特性 |
Processing properties of epoxy resin system and phenolic resin for co-injection RTM process |
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| YIN Chang-ping,XIAO Jia-yu,ZENG Jing-cheng,LI Jian-wei,JIANG Da-zhi,LIU Jun.Processing properties of epoxy resin system and phenolic resin for co-injection RTM process[J].Journal of Solid Rocket Technology,2009,32(5). |
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| Authors: | YIN Chang-ping XIAO Jia-yu ZENG Jing-cheng LI Jian-wei JIANG Da-zhi LIU Jun |
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| Institution: | YIN Chang-ping,XIAO Jia-yu,ZENG Jing-cheng,LI Jian-wei,JIANG Da-zhi,LIU Jun(College of Aerospace and Material Engineering,National University ofDefense Technology,Changsha 410073,China) |
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| Abstract: | Process properties of epoxy resin and phenolic resin used for preparation of load-bearing/heat-insulating/thermal-protective integral composite materials by co-injection RTM process were studied respectively.With benzoxazine as thermal-protective layer for phenolic resin matrix,an epoxy resin system which meets co-injection processing requirements was obtained and co-injection processing windows were determined.The results show that epoxy resin system with E-44 resin matrix,and GA327 modified aroma-amine cu... |
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| Keywords: | co-injection RTM epoxy resin phenolic resin integral materials processing properties |
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