The synthesis and properties of fluorine containing polyamides (PA)
โ Scribed by B.F Malichenko; O.N Tsypina; L.L Chervyatsova; A.A Kachan
- Book ID
- 118360692
- Publisher
- Elsevier Science
- Year
- 1974
- Weight
- 308 KB
- Volume
- 16
- Category
- Article
- ISSN
- 0032-3950
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A series of aromatic polyamides incorporating silicon together with phenylquinoxaline or with hexafluoroisopropylidene groups has been synthesized by solution polycondensation of a silicon-containing diacid chloride with aromatic diamines having phenylquinoxaline rings or hexafluoroisopropylidene gr
1,1-Bis[4-(4-carboxyphenoxy)phenyl]cyclohexane (III) and 1,1-bis[4-(4aminophenoxy)phenyl]cyclohexane (V) were prepared in two main steps starting from the aromatic nucleophilic substitution of p-fluorobenzonitrile and p-chloronitrobenzene, respectively, with 1,1-bis(4-hydroxyphenyl)cyclohexane in th