Title:
CORE/SHELL TYPE GRAFT COPOLYMER PARTICLES, PRODUCTION METHOD THEREFOR, AND RESIN COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2023/100903
Kind Code:
A1
Abstract:
Core/shell type graft copolymer particles comprising core particles (A) and a shell layer (B) covering each core particle (A). The core particles (A) each comprise a polyorganosiloxane rubber particle (a1) and a poly(alkyl (meth)acrylate) rubber layer (a2) located on the outer side of the rubber particle (a1). The core particles (A) account for 50-65 wt% of the core/shell type graft copolymer particles and have a volume-average particle diameter of 85-150 nm. The shell layer (B) includes a layer (b1) formed from a copolymer including an aromatic vinyl compound unit and a vinyl cyanide compound unit.
Inventors:
HATAE KAORU
Application Number:
PCT/JP2022/044060
Publication Date:
June 08, 2023
Filing Date:
November 29, 2022
Export Citation:
Assignee:
KANEKA CORP (JP)
International Classes:
C08F283/12; C08L33/06; C08L33/20; C08L51/04; C08L101/00
Domestic Patent References:
| WO2021065721A1 | 2021-04-08 |
Foreign References:
| JP2019147868A | 2019-09-05 |
Attorney, Agent or Firm:
ARCO PATENT & TRADEMARK ATTORNEYS (JP)
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