Synthesis and Properties of Semicrystalline Copolyimides Based on 4,4′-Diaminodiphenylether and 1,3-Bis(4-aminophenoxy) Benzene
✍ Scribed by Chao, Min; Kou, Kaichang; Wu, Guanglei; Zhang, Jiaoqiang; Li, Ning; Zhang, Dongna
- Book ID
- 126629811
- Publisher
- Taylor and Francis Group
- Year
- 2012
- Tongue
- English
- Weight
- 590 KB
- Volume
- 51
- Category
- Article
- ISSN
- 0022-2348
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A set of new aromatic polyamides were synthesized by the direct phosphorylation condensation of 4-(1-adamantyl)-1,3-bis-(4-aminophenoxy)benzene with various diacids. The polymers were produced with high yields and moderate to high inherent viscosities (0.43-1.03 dL/g), and the weight-average molecul
1,1-Bis[4-(4-aminophenoxy)phenyl]-1-phenylethane (BAPPE) was prepared through nucleophilic substitution reaction of 1,1-bis(4-hydroxyphenyl)-1-phenylethane and p-chloronitrobenzene in the presence of K 2 CO 3 in N,N-dimethylformamide, followed by catalytic reduction with hydrazine and Pd/C. Novel or