Method for making a closed-cell phenolic resin foam

Details Method for making a closed-cell phenolic resin foam Method for making a closed-cell phenolic resin foam

C - Chemistry, Metallurgy

08

J

C08J 9/00 (2006.01) C08G 8/10 (2006.01) C08J 9/14 (2006.01) C08L 61/06 (2006.01)

Patent

CA 2286751

Provided is a foamable, phenolic resin composition adapted to form a closed- cell phenolic resin foam under substantially atmospheric pressure. The foamable, phenolic resin composition is formulated from a resol resin, a blowing agent, and a bond strength enhancing agent and/or a phenolic resin nucleating agent. The present invention also relates to a method of forming a closed-cell, phenolic resin foam and a closed-cell phenolic resin foam.

L'invention porte sur une composition de résine phénolique expansible permettant d'obtenir des résines expansées à cellules fermées à une pression sensiblement voisine de la pression atmosphérique. Ladite composition se compose d'une résine de résol, d'un agent d'expansion et d'un renforçateur de liaisons et/ou d'un agent de nucléation de la résine phénolique. L'invention porte également sur un procédé de formation d'une résine phénolique expansée à cellules fermées, et sur la résine phénolique expansée à cellules fermées ainsi obtenue.

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