Abstract

The miscibility behavior and specific interaction of phenolic/polystyrene- co-acetoxystyrene, (PS- co-PAS) blends by varying acetoxystyrene contents of the PS- co-PAS copolymer were investigated by differential scanning calorimetry (DSC) and Fourier transform infrared spectroscopy (FT-IR). A miscibility window was found when the acetoxystyrene fraction in the copolymer is higher than 45 mol% in phenolic/PS- co-PAS=50/50 blend system. Painter–Coleman Association Model (PCAM) is able to predict the miscibility window at 150°C compared with our experimental results based on DSC analyses.

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