Foamable resole resin composition

Details Foamable resole resin composition Foamable resole resin composition

C - Chemistry, Metallurgy

08

J

403/54

C08J 9/04 (2006.01) C08G 8/04 (2006.01) C08J 9/00 (2006.01) C08J 9/12 (2006.01) C08J 9/14 (2006.01) C08K 5/00 (2006.01) C08K 5/098 (2006.01) C08L 61/04 (2006.01)

Patent

CA 1084199

ABSTRACT OF THE DISCLOSURE This invention relates to an improved foamable re- sole resin composition comprising a resole resin, a blow- ing agent and a surfactant wherein said improvement com- prises incorporating a particular resole resin catalyzed with alkaline earth metal hydroxides and neutralized with oxalic acid or its acid salts providing inert in- soluble oxalate salts dispersed in said resole. Said salts are sized controlled and stabilized in an aqueous resole resin solution having about 60 to 99% resole resin by weight. Methods for preparing and foaming said compositions are disclosed. - 1 -

293367

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