SPHERICAL ALUMINA PARTICLES, MANUFACTURING METHOD THEREFOR, AND RESIN COMPOSITE COMPOSITION CONTAINING SAME

Title:

SPHERICAL ALUMINA PARTICLES, MANUFACTURING METHOD THEREFOR, AND RESIN COMPOSITE COMPOSITION CONTAINING SAME

Document Type and Number:

WIPO Patent Application WO/2024/071430

Kind Code:

A1

Abstract:

Provided are: spherical alumina particles having a low metal Al concentration and small particle size; a manufacturing method therefor; and a resin composite composition containing the same.　The present invention provides: spherical alumina particles in which the metal Al concentration is equal to or less than 1000 ppm, the average particle size is 0.3-2.0 µm, the specific surface area is 2.5-5.0 m2/g, the circularity is equal to or greater than 0.80, and the rate of transformation to α-alumina is equal to or less than 5.0%; a manufacturing method therefor; and a resin composite composition containing the same.

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Inventors:

NUMAO RYUTARO (JP)

Application Number:

PCT/JP2023/035844

Publication Date:

April 04, 2024

Filing Date:

October 02, 2023

Export Citation:

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Assignee:

NIPPON STEEL CHEMICAL & MAT CO LTD (JP)

International Classes:

C01F7/027; C01F7/021; C01F7/441; C09C1/40; C09D17/00

Attorney, Agent or Firm:

AOKI, Atsushi et al. (JP)

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