Compositions of alkenyl aromatic resins and diorganopolysiloxanes

Claim 1

A THERMOPLASTIC COMPOSITION CONSISTING ESSENTIALLY OF AN INTIMATE MIXTURE OF FROM 50 TO 9898 PERCENT BY WEIGHT OF AT LEAST ONE ALKENYL AROMATIC RESIN SELECTED FROM THE GROUP CONSISTING OF (A) HOMOPOLYMERS AND COPOLYMERS OF SAID MONOVINYL AROMATIC COMPOUNDS WITH EACH OTHER AND (B) COPOLYMERS OF FROM 65 TO 99 PERCENT BY WEIGHT OF AT LEAST ONE SUCH MONOVINYL AROMATIC COMPOUND OF THE BENZENE SERIES AND FROM 35 TO 1 PERCENT OF AN ALKENYL AROMATIC HYDROCARBON SELECTED FROM THE GROUP CONSISTING OF ALPHA-METHYLSTYRENE, PARA-METHYL-ALPHAMETHYLSTYRENE AND ALPHA-ETHYLSTYRENE, AND FROM 50 TO 2 PERCENT BY WEIGHT OF A NON-LIQUID BENZENE-SOLUBLE DIORGANOPOLYSILOXANE ELASTOMER IN WHICH THE SLOXANE UNITS ARE OF THE TYPE R2SIO, WHEREIN EACH R IS SELECTED FROM THE GROUP CONSISTING OF THE METHYL AND PHENYL RADICALS AT LEAST 90 PERCENT OF THE TOTAL R GROUPS IN THE SILOXANE BEING METHYL RADICALS, AND SAID ELASTOMER CONTAINING IN CHEMICALLY COMBINED FROM A PLURALITY OF THE SILOXANE UNITS.