Title:
SURFACE-MODIFIED ZINC OXIDE PARTICLES, DISPERSION, AND COSMETIC
Document Type and Number:
Japanese Patent JP2023148418
Kind Code:
A
Abstract:
To provide surface-modified zinc oxide particles with excellent ultraviolet shielding properties.SOLUTION: In the surface-modified zinc oxide particles of the present invention, a particle surface of the zinc oxide particles is treated with a hydrolyzable surface treatment agent, a color difference, ΔE, before and after irradiation with simulated sunlight is 4.0 or less, and an amount of cyclopentasiloxane absorbed oil is 20 mL/100 g or less.SELECTED DRAWING: None
Inventors:
SUMA SHUNSUKE
Application Number:
JP2022056420A
Publication Date:
October 13, 2023
Filing Date:
March 30, 2022
Export Citation:
Assignee:
SUMITOMO OSAKA CEMENT CO LTD
International Classes:
C01G9/02; A61K8/27; A61Q17/04; C09C1/04; C09C3/08; C09D17/00; C09K3/00
Attorney, Agent or Firm:
Kazuzumi Nishizawa
Akio Sato
Ayaka Hagiwara
Akio Sato
Ayaka Hagiwara
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