The traditional methods for polymer processing involve either high temperatures, necessary for melting or viscosity reduction, or hazardous organic solvents and chlorofluorocarbons. Due to the undesirable environmental and biological impact of these solvents, intensive research is focused on seeking new and cleaner methods for the processing of polymers. The potential of supercritical (SC) CO 2 as solvent or plasticizer for the processing of polymeric materials is reviewed in this study. The results suggest that SC CO 2 due to its excellent properties, good solubility and plasticizing effect in polymers can be successfully used in processing biomaterials.
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Knez et al. (2011) studied this question.
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