Abstract
The rheological properties of new partially aliphatic polyimides in N,N‐dimethylformamide were investigated at different concentrations and temperatures comparatively to their corresponding poly(amic acid)s. The rheological functions,i.e., dynamic viscosity, shear rate, elastic shear modulus, and viscous shear modulus, and the parameters obtained from rheological properties such as apparent energy of activation and flow activation entropy reflect the influence of the diamine chemical structures used in the synthesis process.
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