SILICONE-MODIFIED ACRYLIC RUBBER PARTICLES, GRAFT, COPOLYMER PARTICLES OF SILICONE-MODIFIED ACRYLIC AND THERMOPLASTIC RESIN COMPOSITION

摘要

TO PROVIDE NOVEL SILICONE-MODIFIED ACRYLIC RUBBER PARTICLES PREPARED AT A HIGH CONVERSION WITHOUT USING A SPECIAL POLYMERIZATION PLANT BY GRAFT-POLYMERIZIHG (B) 45 TO 5,000 PARTS BY WEIGHT OF A SILICONE RUBBER PRECURSOR COMPR1SMG 99.9 TO 80 BY WEIGHT OF A LOW MOLECULAR WEIGHT ORGANOSILOXANE, 0.1 TO 10 BY WEIGHT OF A POLYFUNCTIONAL SILANE COMPOUND AND 0 TO 10 BY WEIGHT OF A REACTIVE SILANE COMPOUND HAVING A POLYMERIZABLE UNSATURATED BOND OR A MERCAPTO GROUP IN ITS MOLECULE TO (A) 100 PARTS BY WEIGHT OF ACRYLIC RUBBER PARTICLES, AND IF NECESSARY, THERETO BY GRAFT-POLYMERIZING (C) 0.1 TO 5,000 PARTS BY WEIGHT OF AN ACRYLIC RUBBER PRECURSOR; GRAFT COPOLYMER PARTICLES OF SILICONE-MODIFIED ACRYLIC RUBBER WHICH ARE PREPARED FROM THE ABOVE-MENTIONED ACRYLIC RUBBER PARTICLES AND ARE CAPABLE OF IMPROVING WEATHER RESISTANCE AND IMPACT RESISTANCE OF VARIOUS THERMOPLASTIC RESINS; AND A THERMOPLASTIC RESIN COMPOSITION COMPRISING THE ABOVE-MENTIONED RESIN AND THE GRAFT COPOLYMER PARTICLES.