Synthesis of aromatic polyphosphonate: low temperature solution polycondensation of 4,4′-sulphonyldiphenol with phenoxy dichlorophosphate

Polymer ◽  
1993 ◽  
Vol 34 (6) ◽  
pp. 1336-1338 ◽  
Author(s):  
Der-Jang Liaw ◽  
Wen-Chang Shen
Keyword(s):  
Low Temperature ◽  
Temperature Solution ◽  
Solution Polycondensation

Heterocyclic polyamides with pendent imide groups

1995 ◽  
Vol 7 (4) ◽  
pp. 451-459 ◽  
Author(s):  
C Hamciuc ◽  
E Hamciuc ◽  
M Bruma ◽  
A Stoleriu ◽  
I Diaconu ◽  
...  
Keyword(s):  
Mechanical Properties ◽  
Thermal Stability ◽  
Glass Transition ◽  
Low Temperature ◽  
Dielectric Constants ◽  
Inherent Viscosity ◽  
Aromatic Acids ◽  
Temperature Solution ◽  
Solution Polycondensation

New poly(phenylquinoxaline-amide)s and poly(phenylquinoxaline-imide-amide)s containing pendent phthalimide or 3,4,5,6-tctrachlorphthalimide groups have been synthesized by low-temperature solution polycondensation of diaminophenylquinoxalines with diacid chlorides of two aromatic acids containing preformed imide ridgs. The inherent viscosity, solubility, thermal stability, glass transition tempratures, dielectric constants and mechanical properties of these polymers have been studied.

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