Polyguanidine foams

Details Polyguanidine foams Polyguanidine foams

1974-04-02

1976-03-02

Briggs, Sr., Wilbert J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 25S, 260 25BF, 260 775R, 260 775CR, 260 775AP, 260824R, 260830P, 260841, 260849, 260858, C08G 1802, C08J 904

Patent

active

039417263

ABSTRACT:
A polyguanidine foam is prepared by reacting an amine or ammonia with a polycarbodiimide foam which has been prepared from a reaction mixture containing an addition product of an alcohol and a phospholine oxide or sulphide. The novel foam may be used for heat insulation or as an absorbent material.

REFERENCES:
patent: 2941966 (1960-06-01), Campbell
patent: 2941983 (1960-06-01), Smelty

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