申请人:Peters Norman Edward
公开号:US20070080330A1
公开(公告)日:2007-04-12
A synergistic flame retardant combination includes (a) a phosphorus salt having the formula
wherein M
d+
is a metal ion or an onium ion; d is 1, 2, 3, or 4 according to the identity of M and its oxidation state; each occurrence of R
1
and R
2
is independently C
1
-C
18
hydrocarbyl; and each occurrence of m and n is independently 0 or 1; and (b) a phosphine compound selected from trihydrocarbylphosphines, trihydrocarbylphosphine oxides, and combinations thereof. Polymer compositions utilizing the flame retardant combination are described.