| abstract |
A foamable polymeric mixture is provided that includes a polymer composition, at least one blowing agent, and at least one non-VOC processing aid comprising one or more of an adipate ester; benzoate; fatty acids and their derivatives, propylene carbonate; ethylene oxide/propylene oxide block copolymer; styrene-methyl methacrylate copolymer; and a dispersion of organic salt of a fatty acid in copolymer. The blowing agent comprising at least one of carbon dioxide, hydrofluoroolefins, hydrochlorofluoroolefins and hydrofluorocarbons, and mixtures thereof. |