Title:
MAGNESIUM OXIDE POWDER AND RESIN COMPOSITION WHICH USES SAME
Document Type and Number:
WIPO Patent Application WO/2024/004736
Kind Code:
A1
Abstract:
Provided are: a magnesium oxide powder which exhibits excellent moisture resistance and is capable of attaining a low dielectric tangent which is also applicable to high-frequency-band devices; and a resin composition which uses the same. A magnesium oxide powder (I) which contains coated particles (X) obtained by coating the surface of core particles (A) containing magnesium oxide with a coating layer (B) which contains MgAl2O4, wherein the proportion of the MgAl2O4 to the total mass of the magnesium oxide powder (I) is less than 13 mass%, and the BET specific surface area (Si) of the magnesium oxide powder (I) is less than 2.3m2/g.
Inventors:
TSUNEYOSHI TOSHIHIKO (JP)
FUKAZAWA MOTOHARU (JP)
OKABE TAKUTO (JP)
FUKAZAWA MOTOHARU (JP)
OKABE TAKUTO (JP)
Application Number:
PCT/JP2023/022603
Publication Date:
January 04, 2024
Filing Date:
June 19, 2023
Export Citation:
Assignee:
DENKA COMPANY LTD (JP)
International Classes:
C01F5/02; C08K9/02; C08L101/00
Domestic Patent References:
| WO2014112334A1 | 2014-07-24 |
Foreign References:
| JPS6445716A | 1989-02-20 | |||
| CN103242042A | 2013-08-14 | |||
| JP2004027177A | 2004-01-29 | |||
| JP2018512361A | 2018-05-17 |
Attorney, Agent or Firm:
SONODA & KOBAYASHI INTELLECTUAL PROPERTY LAW (JP)
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