Smoke suppressed rigid polyurethane foam

Details Smoke suppressed rigid polyurethane foam Smoke suppressed rigid polyurethane foam

1979-04-16

1982-10-26

Marquis, Melvyn I.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Cellular products or processes of preparing a cellular...

521114, 521121, 521124, 521126, 521128, 521155, 521 89, 521903, 524 95, 524106, 524 83, 524100, 524 93, 524202, 524330, C12P 1714

Patent

active

043562744

ABSTRACT:
Smoke suppressed rigid polyurethane foams are prepared from a reaction mixture comprising as the smoke suppressant additive a metal salt of a: dialkyl dithiocarbamate, a mercaptobenzothiazole, a 2,5-dimercapto-1,3,4-thiadiazole, a mercaptotriazine, a hydroxy thiophenol or an aliphatic dimercapto compound of 2 to 10 carbons.

REFERENCES:
patent: 3006870 (1961-10-01), Steinfatt et al.
patent: 3245923 (1966-04-01), Manzella et al.
patent: 3255129 (1966-06-01), Ferrari
patent: 3432474 (1969-03-01), Lombardi
patent: 3620985 (1971-11-01), Larkin et al.
patent: 3876567 (1975-04-01), Larkin et al.
patent: 3956236 (1976-05-01), Evans et al.
patent: 3978011 (1976-08-01), Molbert
patent: 4011194 (1977-03-01), Sandler
patent: 4018724 (1977-04-01), Cobbledich

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