| abstract |
Polymer compositions comprising from about 1 to about 99 mole % of a copolymer of a styrenic monomer selected from the group consisting of styrene, p-methylstyrene, t-butylstyrene and alpha -methylstyrene with a maleimide monomer selected from the group consisting of maleimide, N-phenylmaleimide, N-methylmaleimide and N-ethylmaleimide and from about 99 to about 1 mole % of a copolymer of styrene monomer with at least one isomeric cyanostyrene monomer selected from the group consisting of ortho-cyanostyrene, meta-cyanostyrene and para-cyanostyrene, are disclosed. |