Insulation boards and methods for their manufacture

Details Insulation boards and methods for their manufacture Insulation boards and methods for their manufacture

C - Chemistry, Metallurgy

08

G

C08G 18/32 (2006.01) C08J 9/22 (2006.01)

Patent

CA 2437139

A method for producing polyisocyanurate insulation foams, the method comprising contacting an A-side stream of reactants that includes an isocyanate with a B-side stream of reactants that include a polyol and a blowing agent, where the blowing agent includes isopentane and n-pentane in a substantial absence of cyclopentane.

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