A blend of polystyrene and thermal polyurethane (PS/TPU) was prepared using supercritical (SC) CO2 as a substrate‐swelling agent and monomer/initiator carrier. The SC CO2/styrene/TPU ternary system was studied. Virgin TPU and synthesized blends were characterized through differential scanning calorimetry, infrared spectroscopy, rheometric measurements, and SEM.
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Xu et al. (2005) studied this question.
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