US 7,393,915 B2
Method for producing polyorganosiloxane-containing resin
Kazunori Saegusa, Kobe (Japan); Tomoyuki Yoshimi, Hyogo (Japan); and Hiroshi Tone, Akashi (Japan)
Assigned to Kaneka Corporation, Osaka (Japan)
Appl. No. 10/553,952
PCT Filed Apr. 14, 2004, PCT No. PCT/JP2004/005345
§ 371(c)(1), (2), (4) Date Oct. 19, 2005,
PCT Pub. No. WO2004/096876, PCT Pub. Date Nov. 11, 2004.
Claims priority of application No. 2003-123751 (JP), filed on Apr. 28, 2003.
Prior Publication US 2006/0258821 A1, Nov. 16, 2006
Int. Cl. C08G 77/442 (2006.01)
U.S. Cl. 528—480  [528/499; 528/500; 524/801; 524/802; 524/806; 524/837; 525/100; 526/279] 7 Claims
 
1. A process for producing polyorganosiloxane-containing resin, comprising
heat stripping a polyorganosiloxane-containing resin in a slurry state to remove volatile siloxane and obtain a polyorganosiloxane containing resin
wherein the polyorganosiloxane-containing resin is a polyorganosiloxane-based graft copolymer obtained by polymerizing monofunctional and/or multifunctional radical polymerizable monomers in one or more steps in the presence of polyorganosiloxane-based particles.