Method of producing rigid foams and products produced therefrom

Details Method of producing rigid foams and products produced therefrom Method of producing rigid foams and products produced therefrom

C - Chemistry, Metallurgy

08

J

C08J 9/06 (2006.01) C07C 13/10 (2006.01) C08G 18/08 (2006.01) C08G 18/40 (2006.01) C08G 18/42 (2006.01) C08J 9/00 (2006.01) C08J 9/14 (2006.01)

Patent

CA 2211676

A thermosetting plastic foam solid is obtained using a blowing agent comprised at least partially from depolymerization of dicyclopentadiene into essentially pure cyclopentane. This unique hydrocarbon is miscible in polyester polyols, where others, such as extracted cyclopentane, are not. In a blend of 15 parts of liquid flame retardant per hundred parts polyester polyol, the mixture is both stable and has a suitably low viscosity.

On obtient un corps solide en mousse plastique thermodurcissable à l'aide d'un agent porogène obtenu au moins partiellement par la dépolymérisation de dicyclopentadiène en cyclopentane sensiblement pur. Cet hydrocarbure unique est miscible dans des polyols à polyester là où d'autres hydrocarbures tels que le cyclopentane extrait ne le sont pas. Dans un mélange de 15 parties d'agent ignifuge liquide pour cent parties de polyol à polyester, le mélange est à la fois stable et d'une faible viscosité appropriée.

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