Thermoplastic resin and process for reducing the same
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United States of America Patent
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Jun 8, 1993
Grant Date -
N/A
app pub date -
Dec 14, 1990
filing date -
Dec 18, 1989
priority date (Note) -
Expired
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Abstract
A thermoplastic resin containing a graft copolymer obtained by graft-copolymerizing at least one vinyl monomer onto colloidal silica-core silicone-shell particles, and a process for producing the thermoplastic resin. A colloidal silica-core silicone-shell particles comprising (A) from 99.9 to 5% by weight of cores which are colloidal silica particles, and (B) from 0.1 to 95% by weight of shells comprising an organosiloxy group represented by the formula ##STR1## wherein R.sup.1 which may be the same or different each represents a substituted or unsubstituted monovalent hydrocarbon group having 1 to 8 carbon atoms, Q represents hydrogen atom or an alkyl group having 1 to 6 carbon atoms, p is an integer of 1 to 3, and q is an integer of 0 to 2, with proviso that (p+q) is an integer of 1 to 3, and/or a polyorganosiloxane represented by the average composition formula ##EQU1## wherein R.sup.2 which may be the same or different each represents a substituted or unsubstituted monovalent hydrocarbon group having 1 to 8 carbon atoms and a is a number of 0.8 to 3.0, wherein 0.02 to 100 mole % of the sum of R.sup.1 and R.sup.2 are groups containing a reactive unsaturated group.
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