ESTER-CONTAINING POLYOLS HAVING HALOGEN AND PHOSPHORUS ATOMS
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Abstract
ESTER-CONTAINING POLYOLS ARE PREPARED BY THE REACTION OF (A) POLYHYDROXYL-CONTAINING COMPOUNDS WITH (B) ACIDS OR OXIDES OF PHOSPHORUS, (C) HALOGEN-CONTAINING ORGANIC ACID ANHYDRIDES, AND (D) ALKYLENE OXIDES. THE POLYOLS ARE PARTICULARYLY USEFUL IN THE PREPARATION OF FLAME-RETARDANT POLYURETHANE FOAMS.
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