Flame retardants and flame retarded polymers

1. A flame retardant composition comprising (I) a mixture of brominated benzoate ester and brominated phthalate ester and (II) a butyl substituted phenyl phosphate.

2. A thermoplastic or thermoset polymer comprising the flame retardant composition of claim 1 .

3. The composition of claim 2 where the polymer is a polyurethane.

4. The composition of claim 3 where the polyurethane is a foam.

5. The composition of claim 3 where the polyurethane is a flexible foam.

6. The composition of claim 3 where the polyurethane is a rigid foam.

7. The composition of claim 2 where the polymer is comprised of one or more monomers from the group consisting of styrene, ethylene, propylene, butadiene, 3-methyl pentene, acrylonitrile, terephthalate, and phthalic anhydride.

8. The composition of claim 2 where the polymer is one or more polymers from the group consisting of an epoxide, a thermoset polyester, and a polymerized vinyl ester.

9. A flexible polyurethane foam comprising, the reaction product of

a diisocyanate;

apolyol;

a butyl substituted phenyl phosphate ester, and

a brominated flame retardant that is a mixture of

where R and R 1 are independently an alkyl group containing from 1 to 16 carbon atoms and optionally one or more N, O, or S atoms and n is a real number from 1 to 5 for structure II, and n is on average a real number from 1 to 4 for structure III.

10. The foam of claim 9 wherein the substituent R is CH 2 CH 2 OCH 3 .

11. The foam of claim 9 wherein the substituent R is CH 2 CH 2 O(CH 2 ) 3 CH 3 .

12. The foam of claim 9 wherein the substituent R is (CH 2 ) 6 OH.

13. The foam of claim 9 wherein the substituent R is CH 2 CH(C 2 H 5 )(CH 2 ) 3 CH 3 .

14. The of claim 9 wherein the substituent R is CH 2 CH 2 OCH 2 CH═CH 2 .

15. The foam of claim 9 wherein the substituent R is (C 3 H 6 O) 2 CH 3 .

16. The foam of claim 9 wherein the substituent R is (C 3 H 6 O) 2 H.

17. The foam of claim 9 wherein the substituent R is C 6 H 4 OH.