Title:
SPHERICAL ALUMINA PARTICLES, PRODUCTION METHOD OF SAME, AND RESIN COMPOSITE COMPOSITION COMPRISING SAME
Document Type and Number:
WIPO Patent Application WO/2024/071431
Kind Code:
A1
Abstract:
The purpose is to provide spherical alumina particles having low surface residual Na level and low agglomeration degree, a production method of the same and a resin composite composition comprising the same. Spherical alumina particles have an average diameter of 0.4-1.9 um, a specific surface area of 1.0-5.0 m2/g, a surface residual Na of 200 ppm or less, a Na2O content of 1,000 ppm or less, an agglomeration degree of 1.0% or less and a degree of circularity of 0.9 or more. A production method of the same and a resin composite composition comprising the same are also provided.
Inventors:
NUMAO RYUTARO (JP)
WADA TAKAHIRO (JP)
TANAKA MUTSUHITO (JP)
YAGI KATSUMASA (JP)
AE MASANORI (JP)
WADA TAKAHIRO (JP)
TANAKA MUTSUHITO (JP)
YAGI KATSUMASA (JP)
AE MASANORI (JP)
Application Number:
PCT/JP2023/035864
Publication Date:
April 04, 2024
Filing Date:
October 02, 2023
Export Citation:
Assignee:
NIPPON STEEL CHEMICAL & MAT CO LTD (JP)
International Classes:
C01F7/021; C09C1/40; C09D17/00
Domestic Patent References:
| WO2006041170A1 | 2006-04-20 |
Foreign References:
| JP2009062244A | 2009-03-26 | |||
| JP2009090272A | 2009-04-30 | |||
| JP2006199579A | 2006-08-03 | |||
| JP2012020900A | 2012-02-02 | |||
| JP2007008730A | 2007-01-18 |
Attorney, Agent or Firm:
AOKI, Atsushi et al. (JP)
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