C - Chemistry – Metallurgy – 08 – J
Patent
C - Chemistry, Metallurgy
08
J
C08J 9/14 (2006.01)
Patent
CA 2742723
There is provided an expandable phenolic resin composition comprising: a phenolic resin; an acid curing catalyst for the resin; a foaming agent; and a surfactant, wherein the foaming agent comprises a hydrocarbon-based foaming agent; and the surfactant is a polyoxyethylene alkyl ether having an alkyl ether moiety having 14 to 22 carbon atoms, and the content of the surfactant is 0.01 to 10 parts by weight relative to 100 parts by weight of the phenolic resin.
Cette invention concerne une composition de résine phénolique expansible comprenant une résine phénolique, un catalyseur de vulcanisation acide pour la résine, un agent moussant et un tensioactif; lagent moussant comprend un agent moussant du type hydrocarboné, et le tensioactif est un éther dalkyle de polyoxyéthylène contenant une fraction éther dalkyle en C14-22 et est présent en une quantité comprise entre 0,01 et 10 parties en poids par rapport à 100 parties en poids de la résine phénolique.
Fukasawa Yoshihito
Kitagawa Takatoshi
Mihori Hisashi
Asahi Kasei Construction Materials Corporation
Goudreau Gage Dubuc
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