Fire-retardant polyurethane

Details Fire-retardant polyurethane Fire-retardant polyurethane

1974-09-12

1977-01-11

Ivy, C. Warren

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 25AM, 260 457PS, 260 457P, 260 775AR, 260 775SS, C08G 1814, C08G 1830, C08G 1838, C08K 553

Patent

active

040025802

ABSTRACT:
Polyurethanes incorporating 2,3-dibromobutenediol-1.4, as a reactive fire-retardant component and chain extender, in combination with organophosphorous compounds, to effect a decrease in the amount of brominated diol necessary, and thus in the bromine content of the resin, to provide fire-retardant polyurethane products manifesting significantly reduced smoke emission in the event of combustion and other enhanced physical properties.

REFERENCES:
patent: 3738953 (1973-06-01), Anorga
patent: 3772222 (1973-11-01), Steward
patent: 3779953 (1973-12-01), Papa
patent: 3812047 (1974-05-01), D'Alelio
patent: 3862879 (1975-01-01), Barron
patent: 3919166 (1975-11-01), Brachman
patent: 3933690 (1976-01-01), D'Alelio

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