Modified phenolic foam catalysts and method

Details Modified phenolic foam catalysts and method Modified phenolic foam catalysts and method

C - Chemistry, Metallurgy

08

J

252/41, 403/54

C08J 9/14 (2006.01) C08G 8/08 (2006.01) C08J 9/00 (2006.01) C08L 61/06 (2006.01)

Patent

CA 1281701

MODIFIED PHENOLIC FOAM CATALYSTS AND METHOD Abstract The invention relates to the preparation of closed cell phenolic resin foams produced from compositions of phenol-aldehyde resole resins, and the foam products thus prepared. More parti- cularly the present invention relates to the preparation of phenolic resin foams by a method employing a novel modified phenolic foam catalyst. The invention also relates to these modified phenolic foam catalysts which include an aromatic sulphonic acid and resorcinol.

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