Title:
ROUNDED ZINC PEROXIDE PARTICLES, ROUNDED ZINC OXIDE PARTICLES, MANUFACTURING METHOD THEREFOR, COSMETIC MATERIAL, AND HEAT-DISSIPATING FILLER
Document Type and Number:
WIPO Patent Application WO/2012/169611
Kind Code:
A1
Abstract:
[Problem] To provide rounded zinc peroxide particles having a large particle size and excellent properties in that the average particle size is 0.04 µm or larger, the aspect ratio is small, and the shape is close to spherical, rounded zinc oxide particles having a small aspect ratio and a sharp particle size distribution obtained by firing the rounded zinc peroxide particles, a manufacturing method therefor, a cosmetic material formulated with these rounded zinc oxide particles, and a heat-dissipating filler. [Solution] Rounded zinc peroxide particles having an average particle size of 0.04 µm or higher and an aspect ratio of 2.0 or lower, and rounded zinc oxide particles having an average particle size of 0.04 µm or higher and an aspect ratio of 2.0 or lower obtained by pyrolysis of the rounded zinc peroxide particles.
Inventors:
SUEDA SATORU (JP)
TERABE ATSUKI (JP)
HASHIMOTO MITSUO (JP)
MAGARA KOICHIRO (JP)
KOBAYASHI KEITA (JP)
TERABE ATSUKI (JP)
HASHIMOTO MITSUO (JP)
MAGARA KOICHIRO (JP)
KOBAYASHI KEITA (JP)
Application Number:
PCT/JP2012/064777
Publication Date:
December 13, 2012
Filing Date:
June 08, 2012
Export Citation:
Assignee:
SAKAI CHEMICAL INDUSTRY CO (JP)
SUEDA SATORU (JP)
TERABE ATSUKI (JP)
HASHIMOTO MITSUO (JP)
MAGARA KOICHIRO (JP)
KOBAYASHI KEITA (JP)
SUEDA SATORU (JP)
TERABE ATSUKI (JP)
HASHIMOTO MITSUO (JP)
MAGARA KOICHIRO (JP)
KOBAYASHI KEITA (JP)
International Classes:
C01B15/047; A61K8/27; A61Q17/04; C01G9/02; C09C1/04; C09C3/06; C09K5/08
Domestic Patent References:
| WO2011043207A1 | 2011-04-14 |
Foreign References:
| JP2003026422A | 2003-01-29 | |||
| JPS5747702A | 1982-03-18 | |||
| JP2009249226A | 2009-10-29 | |||
| JPH0725614A | 1995-01-27 | |||
| JP2007084354A | 2007-04-05 | |||
| JPH01290509A | 1989-11-22 | |||
| JP2003026422A | 2003-01-29 | |||
| JPH032015A | 1991-01-08 | |||
| JPH03183620A | 1991-08-09 |
Other References:
N. UEKAWA ET AL.: "Synthesis of ZnO Nanoparticles by Decomposition of Zinc Peroxide", CHEMISTRY LETTERS, vol. 30, no. 7, 5 July 2001 (2001-07-05), pages 606 - 607, XP055139186
Attorney, Agent or Firm:
YAGI, Toshiyasu (JP)
Toshiyasu Yagi (JP)
Toshiyasu Yagi (JP)
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Claims: