Foamable composition containing unsaturated perfluorochemical bl

Details Foamable composition containing unsaturated perfluorochemical bl Foamable composition containing unsaturated perfluorochemical bl

1993-12-29

1996-07-23

Seidleck, James J.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

25218213, 25218215, 25218218, 2521822, 25218223, 25218224, 25218227, 25218228, 521114, 521128, 521170, C08J 914, C08K 502, C08K 503

Patent

active

055390080

ABSTRACT:
Foamable compositions comprise (a) at least one normally liquid, unsaturated perfluorochemical blowing agent compound selected from the group consisting of perfluoroolefin compounds, e.g., perfluoro(4-methylpent-2-ene), perfluoroaromatic compounds, e.g., hexafluorobenzene, and perfluorocycloolefin compounds, e.g., perfluorocyclohexene, the perfluoroolefin compounds optionally containing one or more catenary heteroatoms; and (b) at least one foamable polymer or the precursors of at least one foamable polymer. The compositions are useful in preparing polymeric, e.g., polyurethane, foams.

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