| 摘要 |
Phosphate esters having the formula RO[-(A)m(B)n ] H wherein A has the structural formula AND B has the structural formula WHEREIN THE R groups are alkyl radicals, m and n are each integers from 0 to 4 and the sum of m + n is from 1 to about 4, are useful as flame retardants, especially for rigid polyurethane foams. |
