Composition of an aromatic carbonate polymer, a styrene-butadiene styrene radial black copolymer and an acrylate copolymer

DETAILED DESCRIPTION What is claimed is: 1.
A composition which comprises in admixture a.
a major amount of an aromatic carbonate polymer, b.
an acrylate copolymer comprising a copolymper of an alkyl acrylate and an alkyl methacrylate, each of the said alkyl having independently one to five carbon atoms, inclusive, and c.
a styrene-butadiene-styrene radial block copolymer present in from about three to about twenty-five weight percent of the total composition of a+b+c.
2.
A composition in accordance with claim 1 wherein the acrylate copolymer is from about two to about twenty weight percent of the total composition.
3.
A composition in accordance with claim 2 wherein the styrene-butadiene-styrene copolymer is from about four to about twelve weight percent.
4.
A composition in accordance with claim 3 wherein the acrylate copolymer is from about two to about fifteen weight percent.
5.
A composition in accordance with claim 4 wherein the acrylate copolymer is a multiphase composite interpolymer comprising about 25 to 95 weight percent of a first elastomeric phase polymerized from a monomer system comprising about 75 to 99.
8 percent by weight of a C.
sub.
1-5 alkyl acrylate, a crosslinking monomer, a graftlinking monomer and about 75 to 5 weight percent of a final rigid thermoplastic phase.
6.
A composition in accordance with claim 5 wherein the aromatic carbonate polymer is a homopolymer and the styrene-butadiene-styrene copolymer is from about three to about 12 weight percent.
7.
A composition in accordance with claim 6 wherein the homopolymer is derived from bisphenol-A.
8.
A composition in accordance with claim 7 wherein the monomer system of the elastomeric phase is n-butyl acrylate and the final rigid thermoplastic phase is derived from methylmethacrylate.
9.
A composition in accordance with claim 8 wherein the weight ratio of n-butyl acrylate to methylmethacrylate is about 4 to 1.
10.
A composition in accordance with claim 3 wherein the styrene-butadiene-styrene radial block copolymer contains about 15-50 weight percent styrene and about 50-85 weight percent butadiene