Flame retardant flexible urethane foams

Details Flame retardant flexible urethane foams Flame retardant flexible urethane foams

1975-01-13

1976-08-31

Rzucidlo, Eugene C.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 25AB, 260 25AK, 260 25BB, 260 25BE, C08G 1808

Patent

active

039780112

ABSTRACT:
The discoloration occurring during commercial production of large buns or slabs of low density, flexible and semiflexible polyetherurethane foams containing chlorine-containing polymers such as polyvinyl chloride, zinc oxide and antimony oxide, in which optionally part of the chlorine-containing polymer can be replaced with a chlorinated paraffin provided a proportionate reduction is made in the amount of the zinc oxide employed, is reduced or prevented by using a small amount of a zinc salt of an organic monocarboxylic acid or an organic mono dithiocarbamic acid having from 1 to 25 carbon atoms in each acid moiety of said salt.

REFERENCES:
patent: 3006870 (1961-10-01), Steinfatt et al.
patent: 3245923 (1966-04-01), Manzella et al.
patent: 3255129 (1966-06-01), Ferrari
patent: 3574149 (1971-04-01), Harrington
patent: 3738953 (1973-06-01), Angora et al.
patent: 3810851 (1974-05-01), Norman et al.
patent: 3876571 (1975-04-01), Cobbledick et al.
patent: 3931062 (1976-01-01), Cobbledick

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