Process for preparing a polymeric foam using a...

Details Process for preparing a polymeric foam using a... Process for preparing a polymeric foam using a...

C - Chemistry, Metallurgy

08

J

C08J 9/14 (2006.01) C08G 18/28 (2006.01) C08G 18/48 (2006.01) C08G 18/72 (2006.01) C08G 18/77 (2006.01)

Patent

CA 2343689

The invention provides a method of making a polymeric foam comprising the step of vaporizing a blowing agent composition comprising perfluorochemical compound dissolved or dispersed in hydrofluoroether in the presence of at least one foamable polymer and a precursor composition thereof, said hydrofluoroether and perfluorochemical compounds being liquids at atmospheric pressure and about 20 °C. Also provided are blowing agent compositions and foamable compositions useful in such process.

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