Synthesis and characterization of novel heat resistance poly(amide-imide)s from N,N′-[2,5-bis(4-aminobenzylidene) cyclopentanone] bistrimellitimide acid and various aromatic diamines
✍ Scribed by Mohsen Hajibeygi; Khalil Faghihi; Meisam Shabanian
- Publisher
- John Wiley and Sons
- Year
- 2011
- Tongue
- English
- Weight
- 473 KB
- Volume
- 121
- Category
- Article
- ISSN
- 0021-8995
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New poly(amide-imide)s were prepared from a diimide-dicarboxylic acid, 1,4-bis(4-trimellitimidophenoxy)-2-tert-butylbenzene (BTTB), with various diamines by the direct polycondensation in N-methyl-2-pyrrolidinone (NMP) using triphenyl phosphite and pyridine as condensing agents. The new diimide-dica
## 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