Solvent uptake in thin, amorphous samples of poly(ether ether ketone), poly(ether imide) and a 50/50 blend has been measured as a function of temperature. Diffusion coefficients, percentage weight increase and apparent activation energies have been calculated. The 50/50 blend shows anomalous diffusion behaviour which may be attributed to specific interactions between the homopolymers and density changes on blending.
Field of Research
039999 Chemical Sciences not elsewhere classified
Socio Economic Objective
970103 Expanding Knowledge in the Chemical Sciences