Invention Grant
- Patent Title: Silicone particles and method for producing same
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Application No.: US16069236Application Date: 2017-03-13
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Publication No.: US10538639B2Publication Date: 2020-01-21
- Inventor: Yoshinori Inokuchi
- Applicant: SHIN-ETSU CHEMICAL CO., LTD.
- Applicant Address: JP Tokyo
- Assignee: SHIN-ETSU CHEMICAL CO., LTD.
- Current Assignee: SHIN-ETSU CHEMICAL CO., LTD.
- Current Assignee Address: JP Tokyo
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: JP2016-059346 20160324
- International Application: PCT/JP2017/009860 WO 20170313
- International Announcement: WO2017/163949 WO 20170928
- Main IPC: C08J7/04
- IPC: C08J7/04 ; C08G77/20

Abstract:
Provided are silicone particles having a rubber elasticity, a low cohesiveness, a high dispersibility in a resin, and alkenyl groups on the surfaces thereof; and a method for producing the same. The silicone particles are silicone elastomer spherical particles having surfaces thereof coated with polymethylalkenylsilsesquioxane, and having a volume average particle size of 0.1 to 100 μm, in which the polymethylalkenylsilsesquioxane is in an amount of 0.5 to 25 parts by mass per 100 parts by mass of the silicone elastomer spherical particles, and alkenylsilyl groups are present on the surface of the polymethylalkenylsilsesquioxane.
Public/Granted literature
- US20190016862A1 SILICONE PARTICLES AND METHOD FOR PRODUCING SAME Public/Granted day:2019-01-17
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