Fire retardant polyisocyanurate and polyurethane foams having re

Details Fire retardant polyisocyanurate and polyurethane foams having re Fire retardant polyisocyanurate and polyurethane foams having re

1976-04-23

1978-01-17

Czaja, Donald E.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 25AM, 260 25AW, 260 4585T, 260DIG24, C08G 1828, C08K 509

Patent

active

040691730

ABSTRACT:
This invention relates to fire-retardant polyisocyanurate and polyurethane foams having reduced smoke levels when burned and to methods for producing such foams. The foams are produced by incorporating into the polyisocyanurate or polyurethane

REFERENCES:
patent: 3637542 (1972-01-01), Doerge et al.
patent: 3637543 (1972-01-01), Kus et al.
patent: 3639307 (1972-02-01), Doerge et al.
patent: 3647724 (1972-03-01), Doerge et al.
patent: 3746664 (1973-07-01), Doerge et al.

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