全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

ODPA/PMDA共聚PMR聚酰亚胺树脂

, PP. 7-10

Keywords: 复合材料,树脂基体,聚酰亚胺,共聚聚酰亚胺,PMR

Full-Text   Cite this paper   Add to My Lib

Abstract:

用ODPA取代PMR-15中的BTDA,并在二酐中加入PMDA,通过共聚方法合成了ODPA/PMDA-MDA共聚PMR聚酰亚胺树脂系列。通过试验对树脂的溶液粘度、工艺性能、固化后的热氧化稳定性和弯曲性能进行了表征,并探讨了树脂结构与性能的关系。实验结果表明:树脂溶液粘度随分子量增大而增大,随PMDA含量增加而减小;树脂的Tg随分子量增大而降低,随PMDA含量增大而升高;树脂的软化温度随分子量和PMDA含量的增大而提高;而树脂的热失重温度和弯曲性能变化则较复杂。

References

[1]  李 敏, 张佐光, 仲伟虹, 等. 聚酰亚胺树脂研究与应用进展[J]. 复合材料学报, 2000, 11(4): 48.
[2]  Wilson D. PMR-15 processing properties and problems——A review [J]. British Polymer Journal, 1998, 20: 405.
[3]  Serafini T T, Delvigs P, Lightse G R. Thermally stable polyimides from solutions of monomeric reactants [J]. J Appl Polym Sci, 1972, 16: 905.
[4]  杨士勇, 高生强, 胡爱军, 等. 耐高温聚酰亚胺树脂及其复合材料的研究进展[J]. 宇航材料工艺. 2000, 30(1): 1.
[5]  Scola D A, Vontell J H. Process Characteristics of High Temperature Polymers and Composites . In: Society for Material and Process Engineering, ed. 34th International SAMPE Symposium . CA: SAMPE, 1989. 88.
[6]  苑子军, 张佐光, 李 敏, 等. BTDE/PMDE共聚PMR聚酰亚胺树脂研究[J]. 复合材料学报, 2002, 12(6): 1.
[7]  Pan Yishan, Li Jiaze, Zhang Zuoguang, et al. Effect of diamine structure on properties of PMR copolyimide resin . In: He Feifeng, Rikio Yokota, eds. The 5th Proceeding of China-Japan Seminar on Advanced Aromatic Polymers . Changchun: Jilin University, 2002. 95.
[8]  吕建通, 何天白, 刘维莲, 等. 高韧性PMR聚酰亚胺复合材料树脂基体研究[J]. 高分子材料科学与工程, 1996, 12(1): 139.
[9]  Chuk L Leung, Reza Ghaffarian, Kenneth C. Leung. Thermo-oxidative stability of polyimides Ⅰ:Effect of prepolymer molecular weights [J]. Polymer Degradation and Stability, 1997, 58: 11.
[10]  Meador M A. High Temperature Polymer Matrix Composites for Aeropropulsion Application . In: Society for Material and Process Engineering, ed. 40th International SAMPE Symposium . CA: SAMPE, 1995. 268.
[11]  Meador M A. Recent advances in the development of processable high-temperature polymer [J]. Annu Rev Mater Sci, 1998, 28: 599.
[12]  Roger J M, Eugene S, Jiang Z, et al. High Temperature Polymer Matrix-carbon Fiber Composites-Performance Issues and Future Needs . In: Society for Material and Process Engineering, ed. 44th International SAMPE Symposium . CA: SAMPE, 1999. 1098.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133