Stabilization of halogenated polyols for polyurethane production

Details Stabilization of halogenated polyols for polyurethane production Stabilization of halogenated polyols for polyurethane production

1979-06-29

1980-12-16

Cockeram, H. S.

Compositions

Compositions containing a single chemical reactant or plural...

Organic reactant

521110, 521112, 521118, 521128, 521129, 521130, 521171, C08G 1814, C08G 1818, C08G 1834, C09K 300

Patent

active

042396425

ABSTRACT:
The storage stability of otherwise unstable premix compositions for flame retardant rigid polyurethane foams containing in the premix a chlorinated polyether polyol and a tertiary amine catalyst, is enhanced by incorporation into the premix of a minor amount of a vinyl monomer. The preferred vinyl monomers employed are condensation products of acrylic or methacrylic acid with alcohols or amines. Such stabilization prevents premature deactivation of the tertiary amine catalysts contained in the premix.

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patent: 3914190 (1975-10-01), Carroll et al.
patent: 3980579 (1976-09-01), Syrop et al.
patent: 4115300 (1978-09-01), Chakirof

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