Table 3. Inherent Viscositya and Solubility Test of Polymers

Polymers ηinh (dL/g) Solubility
TCE THF CHCl3 Pyridine DMAc NMP DMSO DMF
CP-A0C10 0.37 × × ×
CP-A3C7 0.36 × ×
CP-A5C5 0.35 ×
CP-A7C3 0.31 ×
CP-A10C0 0.35 × × × ×
Inherent viscosities were measured at a concentration of 0.2 g/dL in 1,1,2,2-tetrachloroethane : p-chlorophenol : phenol (30:35:35) at 30°C
○ : soluble at 30°C, △ : soluble on heating, × : insoluble.