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Enzyme-catalyzed degradation of PCL films with embedded Candida antarctica Lipase B (CALB, 1.6%-by-wt) under continuous fluid exchange (flow) conditions and in controlled humidity desiccators were determined. At 0.2 mL/min flow rate, film weight loss reached 85% in 3 d relative to bulk-no flow incubations where 70% degradation occurred in 9 days. This increase in rate under flow conditions is attributed...
Traditional chemical catalysts for polyester synthesis have enabled the generation of important commercial products. Undesirable characteristics of chemically catalyzed condensation polymerizations include the need to conduct reactions at high temperatures (150–280°C) with metal catalysts that are toxic and lack selectivity. The latter is limiting when aspiring towards synthesis of increasingly complex...
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