A new naphthalene unit-containing bis(ether anhydride), 2,6-bis(3,4-dicarboxyphenoxy)naphthalene dianhydride, was synthesized in three steps starting from the nucleophilic nitrodisplacement reaction of 2,6-dihydroxynaphthalene and 4nitrophthalonitrile in N,N-dimethylformamide (DMF) solution in the p
Syntheses and properties of organosoluble poly(ether imide)s from 1,1-bis[4-(3,4-dicarboxyphenoxy)phenyl]cyclohexane dianhydride and aromatic diamines
โ Scribed by Chin-Ping Yang; Chien-Wen Yu
- Publisher
- John Wiley and Sons
- Year
- 2001
- Tongue
- English
- Weight
- 253 KB
- Volume
- 39
- Category
- Article
- ISSN
- 0887-624X
No coin nor oath required. For personal study only.
๐ SIMILAR VOLUMES
A naphthalene unit-containing bis(ether anhydride), 2,7-bis(3,4-dicarboxyphenoxy)naphthalene dianhydride, was prepared in three steps starting from the nucleophilic nitrodisplacement reaction of 2,7-dihydroxynaphthalene and 4-nitrophthalonitrile in N,N-dimethylformamide (DMF) solution in the presenc
Aromatic tetracarboxylic dianhydride having crank and twisted noncoplanar structure, 2,2 -bis(3,4-dicarboxyphenoxy)-1,1 -binaphthyl dianhydride, was synthesized by the reaction of 4-nitrophthalonitrile with 2,2 -dihydroxy-1,1 -binaphthyl, followed by alkaline hydrolysis of the intermediate bis(ether
A new aromatic tetracarboxylic dianhydride having a crank and twisted noncoplannar structure, 2,2ะ-bis(3,4-dicarboxyphenoxy)biphenyl dianhydride, was synthesized by the reaction of 4-nitrophthalonitrile with biphenyl-2,2ะ-diol, followed by hydrolysis and cyclodehydration. The biphenyl-2,2ะ-diyl-cont
A diimide dicarboxylic acid, 1,4-bis(4-trimellitimidophenoxy)naphthalene (1,4-BTMPN), was prepared by condensation of 1,4-bis(4-aminophenoxy)naphthalene and trimellitic anhydride at a 1 : 2 molar ratio. A series of novel poly(amide-imide)s (IIa-k) with inherent viscosities of 0.72 to 1.59 dL/g were