Title:
EXPANDABLE METHYL METHACRYLATE-BASED RESIN PARTICLES, EXPANDED METHYL METHACRYLATE-BASED RESIN PARTICLES, METHYL METHACRYLATE-BASED RESIN FOAM MOLDED ARTICLE, EVAPORATIVE PATTERN, AND METHOD FOR PRODUCING EXPANDABLE METHYL METHACRYLATE-BASED RESIN PARTICLES
Document Type and Number:
WIPO Patent Application WO/2023/286822
Kind Code:
A1
Abstract:
The present invention addresses the problem of providing expandable methyl methacrylate-based resin particles that can provide expanded particles having an excellent mold-filling behavior and that can provide foam molded articles that exhibit excellent surface aesthetics. Provided are expandable methyl methacrylate-based resin particles that comprise a blowing agent and a base resin comprising the methyl methacrylate unit and an acrylate ester unit as constituent units, and that have a volume-average particle diameter of 0.30-0.50 mm and a particle size distribution (UT) of not more than 2.30.
Inventors:
KOBAYASHI TSUYOSHI (JP)
SUZUKI KIRITO (JP)
KIGUCHI TARO (JP)
SUZUKI KIRITO (JP)
KIGUCHI TARO (JP)
Application Number:
PCT/JP2022/027643
Publication Date:
January 19, 2023
Filing Date:
July 14, 2022
Export Citation:
Assignee:
KANEKA CORP (JP)
International Classes:
C08J9/18; B22C7/02; C08F220/14
Domestic Patent References:
| WO2020203537A1 | 2020-10-08 | |||
| WO2021199878A1 | 2021-10-07 |
Foreign References:
| JPH02199137A | 1990-08-07 | |||
| JP2003261603A | 2003-09-19 | |||
| JP2015183111A | 2015-10-22 | |||
| JP2008095115A | 2008-04-24 | |||
| JPH03166240A | 1991-07-18 |
Attorney, Agent or Firm:
HARAKENZO WORLD PATENT & TRADEMARK (JP)
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