Expandable resol-type phenolic resin molding material,...

Details Expandable resol-type phenolic resin molding material,... Expandable resol-type phenolic resin molding material,...

C - Chemistry, Metallurgy

08

L

C08L 61/06 (2006.01) C08J 9/04 (2006.01) C08K 5/053 (2006.01) C08K 5/3447 (2006.01)

Patent

CA 2749760

A foamable resol type phenolic resin molding or forming material comprising a liquid resol type phenolic resin, foaming agent, a foam stabilizer, an acid curing agent and an additive, the additive being a nitrogen--containing bridged cyclic compound having an average particle diameter of 80 µm or less, and a phenolic resin foamed product formed by foaming and curing the above molding or forming material.

L'invention concerne une matière à mouler en résine phénolique de type résol expansible comprenant une résine de phénol de type résol liquide, un agent moussant, un régulateur de mousse, un agent de durcissement acide, et un additif, en particulier une matière à mouler en résine phénolique de type résol expansible dans laquelle l'additif est un composé cyclique réticulé contenant de l'azote présentant une granulométrie moyenne de 80 µm au maximum. L'invention concerne également une mousse de résine obtenue par moussage et durcissement de la matière à mouler.

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