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Citation: WANG Zhen, LI Qing-Xuan, GAO Lian-Xun, DING Meng-Xian, YI Xiao-Su. Rheological Behavior of Thermosetting Polyimide Resins[J]. Chinese Journal of Applied Chemistry, ;2005, 22(5): 548-550. shu

Rheological Behavior of Thermosetting Polyimide Resins

1.
a State Key Laboratory of Polymer Physics and Chemistry, Changchun Institute ofApplied Chemistry, Chinese Academy of Sciences, Changchun 130022;
2.
b State Key Laboratory of Advanced Composites, Beijing Institute of Aeronautical Materials, Beijing

Corresponding author: WANG Zhen,
Received Date: 9 July 2004
Available Online: 22 October 2004
Fund Project: 国家自然科学基金(50333030) (50333030)国家"九七三"计划(G2003CB615604)资助项目 (G2003CB615604)

Seven thermosetting polyimides (PI) were synthesized via the reactions of oxydiphthalic anhydride,thioetherdiphthalic anhydride and active end cap.It was found that the lowest viscosities of the two PI resins end-capped with NA were both under 10 Pa·s,while the lowest viscosities of the PI resins end-capped with phenylethynyl were all around 1~2 Pa·s,and the cure temperature increased to 350℃,which basically meets the requirments of the RTM technology.
- polyimide,
- oxydiphthalic dianhydride,
- thioetherdiphthalic dianhydride,
- phenylethynyl anhydride,
- rheological property
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