Closed-cell polyurethane foam compositions

Details Closed-cell polyurethane foam compositions Closed-cell polyurethane foam compositions

C - Chemistry, Metallurgy

08

J

403/37

C08J 9/14 (2006.01)

Patent

CA 1323138

TITLE Closed-cell Polyurethane Foam Compositions ABSTRACT OF THE INVENTION A process is disclosed comprising mixing selected shrinkage-minimizing halocarbons with selected two-carbon hydrogen-containing halocarbons, HCFC-123, HCFC-123a and HCFC-141b, and using this mixture as a blowing agent to produce minimal shrinkage closed-cell polyurethane foams.

591750

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