Production of phenolic resin composite foam

Details Production of phenolic resin composite foam Production of phenolic resin composite foam

B - Operations, Transporting

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B01J 20/26 (2006.01) C08F 8/42 (2006.01) C08J 9/00 (2006.01) C08J 9/06 (2006.01) C08J 9/35 (2006.01)

Patent

CA 1271897

PRODUCTION OF PHENOLIC RESIN COMPOSITE FOAM ABSTRACT A phenolic resin composite foam is disclosed which is prepared by heating and foaming a novolak phenolic resin having a number average molecular weight of 250 to 600 and a bulk density of 0.15 to 0.5, a blowing agent, a blowing auxiliary compound and inorganic foamed particles. Additional materials for flame retardancy can be added. The foam produced has a high compressive strength, a high foaming and rapid curing rates, a low water absorption and a minimum of friability.

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