Aromatic soluble polyamides and copolyamides having hexafluoroisopropylidene and isopropylidene moieties in the molecular structure of polymer chain were prepared by reacting the aromatic diacid chlorides and fluorine or nonfluorine containing aromatic diamines using low-temperature polycondensation
Synthesis and Characterization of New Organosoluble Polyamides and Polyimides Based on 2,2-Bis[4- (4-aminophenoxy)-3,5-dimethylphenyl]- hexafluoropropane
โ Scribed by Der-Jang Liaw; Been-Yang Liaw; Ying-Chi Cheng
- Publisher
- John Wiley and Sons
- Year
- 2001
- Tongue
- English
- Weight
- 106 KB
- Volume
- 202
- Category
- Article
- ISSN
- 1022-1352
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A series of new soluble polyamides having isopropylidene-and methylsubstituted arylene ether moieties in the polymer chain were prepared by the direct polycondensation of 3,3 ,5,5-tetramethyl-2,2-bis[4-(4-aminophenoxy)phenyl]propane (TBAPP ) and various aromatic dicarboxylic acids in N-methyl-2-pyrr