PROCESSING AIDS FOR USE IN MANUFACTURING EXTRUDED POLYSTYRENE FOAMS USING LOW GLOBAL WARMING POTENTIAL BLOWING AGENTS

摘要

A foamable polymeric mixture is provided that includes a polymer composition, a processing aid, and a blowing agent composition comprising carbon dioxide. The inventive foamable mixture may be extruded to obtain a polymeric foam insulation having an R-value per inch of between 4 and 7.