Manufacture of rigid foams and compositions therefor

Details Manufacture of rigid foams and compositions therefor Manufacture of rigid foams and compositions therefor

C - Chemistry, Metallurgy

08

J

C08J 9/00 (2006.01) C08G 18/66 (2006.01) C08J 9/04 (2006.01) C08J 9/14 (2006.01) C08L 101/06 (2006.01)

Patent

CA 2063685

E 36280S ABSTRACT Manufacture Of Rigid Foams And Compositions Therefor The use of a liquid for the preparation of a rigid polyurethane and/or polyisocyanurate foam by reacting a polyisocyanate and a polyol in the presence of a blowing agent characterised in that the liquid is an inert, insoluble, non-blowing liquid. CFC-free foams may be obtained showing good insulating properties.

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