Rigid foam with improved "k" factor from perfluorinated...

Details Rigid foam with improved "k" factor from perfluorinated... Rigid foam with improved "k" factor from perfluorinated...

C - Chemistry, Metallurgy

08

J

403/37, 154/123.

C08J 9/14 (2006.01) B32B 5/18 (2006.01)

Patent

CA 2022560

This invention relates to a process for preparing cellular polymers having urethane groups, isocyanurate groups, or both. The cellular polymers are prepared by reacting an organic polyisocyanate with a polyol in the presence of a blowing agent, a catalyst, and a perfluorinated hydrocarbon or a mixture of perfluorinated hydrocarbons. The use of the perfluorinated additives enhances the thermal insulating properties of the foams.

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