Affiliation:
1. Fraunhofer Institute for Applied Polymer Research Polymer Synthesis Department Geiselbergstraße 69 14476 Potsdam Germany
Abstract
AbstractA series of strategies are investigated, which allow internally plasticized polylactide (PLA)‐polyether block copolymers to be effectively melt‐processed through blown film extrusion in the semi‐technical scale. Among the strategies presented are the use of tris(nonylphenyl) phosphite (TNPP) as a chain extender during the ring opening polymerization (ROP) of lactide and the application of ε‐caprolactone (CL) as a plasticizing comonomer. The produced films have a significantly higher flexibility than pure PLA films and are in a comparable range to the flexibility of fossil‐based, film‐grade low‐density polyethylene (LDPE) films.
Funder
Bundesministerium für Ernährung und Landwirtschaft