Process for the production of flame-resistant phenolic resin...

Details Process for the production of flame-resistant phenolic resin... Process for the production of flame-resistant phenolic resin...

C - Chemistry, Metallurgy

08

K

403/54

C08K 5/42 (2006.01) C08J 9/00 (2006.01) C08J 9/14 (2006.01) C08K 13/02 (2006.01) C08L 61/10 (2006.01)

Patent

CA 1056549

ABSTRACT OF THE DISCLOSURE Flame-resistant foam plastics are prepared by mixing with an aqueous alkaline condensed phenol-formalde- hyde resin solution an expanding agent such as hexane and an acidic curing agent after which the mixture is foamed and permitted to cure. Useful acidic curing agents, comprise mixtures of a strong inorganic or organic acid, a glycol and phosphoric acid.

221595

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