Abstract:
POLYHYDROXY PHOSPHATE ESTERS MAY BE PREPARED BY SEQUENTIALLY REACTING POLYPHOSPHORIC ACID AND ALKYLENE OXIDE WITH AN ALCOHOL OF FORMULA
(H-(O-A)P-O-),(X)N-BENZENE
OR OF THE FORMULA
((H-(O-A)P-)2-N-),(X)M-BENZENE
WHEREIN X REPRESENTS A HALOGEN ATOM, N IS AN INTEGER FROM TO 5, M IS AN INTEGER FROM 1 TO 5, A REPRESENTS AN ALKYLENE GROUP CONTAINING FROM 2 TO 4 CARBON ATOMS, AND P IS FROM 1 TO 5. THE POLYHYDROXY PHOSPHATE ESTERS ARE USEFUL AS INTERMEDIATES IN THE PRODUCTION OF FLAME-RESISTANT PRODUCTS.