Flame retardant polyurethane foam containing polyalkylene glycol

Details Flame retardant polyurethane foam containing polyalkylene glycol Flame retardant polyurethane foam containing polyalkylene glycol

1974-06-27

1976-10-19

Ivy, C. Warren

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260929, C08G 1814, C08G 1850

Patent

active

039869903

ABSTRACT:
Polyalkylene glycol alkyl polyphosphites characterized by low OH numbers and relatively little glycol in the side chain are prepared by reacting a tertiary phosphite with a polyalkylene glycol in a molar ratio of from about 1 to 1.5 moles of phosphite per mole of glycol. These polyphosphites have wide utility as intermediates in the preparation of flame retardants suitable for use in flexible urethane foams.

REFERENCES:
patent: 3263001 (1966-07-01), Friedman
patent: 3354241 (1967-11-01), Larrison
patent: 3850859 (1974-11-01), Wortmann

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