Polyimides derived from 1,4-bis [3-oxy-(N-aminophthalimide)] benzene
β Scribed by Taihang Li; Jingling Yan; Huili Yang; Dongfeng Li; Zhen Wang; Mengxian Ding
- Publisher
- John Wiley and Sons
- Year
- 2009
- Tongue
- English
- Weight
- 569 KB
- Volume
- 114
- Category
- Article
- ISSN
- 0021-8995
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π SIMILAR VOLUMES
We have studied the nonisothermal and isothermal crystallization kinetics of an aromatic thermotropic liquid crystalline polyimide synthesized from 1,2,4,5-benzenetetracarboxylic dianhydride (PMDA) and 1,3-bis[4-(4-aminophenoxy) cumyl] benzene (BACB) by means of differential scanning calorimetry (DS
## SYNOPSIS N, N'-Di-(4-anilino )-l ,2,4,5-benzene bis(dicarboximide) was prepared in a three-step synthesis and purified by heating the resulting solid to 2000C. Condensation of the diaminodiimide with several dianhydrides (BPDA, BTDA, and 6-FDA) yielded polyamic acid-imides that could be either
Two diisocyanate monomers containing methylene groups and built-in imide structure have been prepared from the parent diacids via the CurtiusΒ±Weinstock rearrangement. Polyimides have been synthesized by solution polymerization of these isocyanates with pyromellitic dianhydride (PMDA), 3,3',4,4'-benz