Synthesis and properties of polyamides derived from 4,6-bis(4-chloroformylphenylthio)pyrimidine and 3,6-bis(4-chloroformylphenylthio)pyridazine
โ Scribed by Zhang, Gang; Bai, Dong-ting; Li, Dong-sheng; Long, Sheng-ru; Wang, Xiao-jun; Yang, Jie
- Book ID
- 120815388
- Publisher
- John Wiley and Sons
- Year
- 2013
- Tongue
- English
- Weight
- 413 KB
- Volume
- 62
- Category
- Article
- ISSN
- 0959-8103
- DOI
- 10.1002/pi.4431
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A series of new polyamides 3 were synthesized by direct polycondensation of the 1,6-bis[4-(4-aminophenoxy)phenyl]diamantane (1) with various dicarboxylic acids. The polyamides had inherent viscosities of 0.45-1.90 dL/g and number-average molecular weights (M n ) of 24,000 -110,000. Dynamic mechanica
Two new series of heat-curable polyamides were prepared utilizing the unsaturated dicarboxylic acids 2,6-di (4-carboxystyry1)pyridine (DCSP ) and 2,6-bis (4-carboxybenzylidene)cyclohexanone (BCBC) as starting materials. They were prepared from the condensation of 4-carboxybenzaldehyde with a half mo