Polypropylene foam

Details Polypropylene foam Polypropylene foam

C - Chemistry, Metallurgy

08

F

C08F 10/06 (2006.01) C08J 9/12 (2006.01) C08L 23/10 (2006.01)

Patent

CA 2096078

ABSTRACT OF THE DISCLOSURE Foamed polypropylene sheets and articles thermoformed there- from are suitable for microwaving and are produced by providing a polypropylene composition exhibiting uniform melt draw properties, heating the composition, injecting a blowing agent, preferably carbon dioxide or a carbon dioxide hydrocarbon blend, and extrud- ing the blend into a sheet which may then be thermoformed into articles such as trays. 5/920409.2/SPECFLDR

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