Polyimides from 4,4′-(alkylene-α,ω-dioxy) bis(phenylsuccinic anhydride)s and bis(phenylglutaric anhydride)s
✍ Scribed by Takuma Teshirogi
- Book ID
- 105337140
- Publisher
- John Wiley and Sons
- Year
- 1989
- Tongue
- English
- Weight
- 292 KB
- Volume
- 27
- Category
- Article
- ISSN
- 0887-624X
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## Abstract A new monomer of tetraimide‐dicarboxylic acid (IV) was synthesized by starting from ring‐opening addition of 4,4′‐oxydiphthalic anhydride, trimellitic anhydride, and 1,4‐bis(4‐amino‐2‐trifluoromethylphenoxy)benzene at a 1:2:2 molar ratio in __N__‐methyl‐2‐pyrrolidone (NMP). From this ne
A new dicarboxylic acid having a kinked structure was synthesized from the condensation of 2,2 -bis (4-aminophenoxy ) biphenyl and trimellitic anhydride. A series of biphenyl-2,2 -diyl-containing aromatic poly ( amide-imide ) s having inherent viscosities of 0.23 -0.94 dL / g was prepared by the tri