Title:
表面処理粉体及びこれを配合した化粧料
Document Type and Number:
Japanese Patent JP5901798
Kind Code:
B2
Abstract:
A cosmetic powder having good water repellency, smooth and light touch, moist feeling, and excellent adhesion to skin is provided. When used in a cosmetic composition, the cosmetic powder affords the cosmetic composition with excellent usability, makeup effect, makeup durability and stability with lapse of time. The present invention is directed to the cosmetic powder surface-treated with a silicone gel, wherein the surface treatment with the silicone gel affords excellent water repellency, the exhibits smooth and light touch, and affords moist usability peculiar to the silicone gel and excellent adhesion to skin for the cosmetic powder. Preferably, the powder is an inorganic powder, an organic powder or a composite powder thereof. The silicone gel is obtained by hydrolysis and condensation reacting an organopolysiloxane containing at least a diorganopolysiloxane having reactive opposite ends shown in the following formula (1) and a silane coupling agent having the following formula (2) with at least two hydrolyzable groups in one molecule or a reactive polysiloxane of the following formula (3) as a crosslinking agent.
€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒR 1 R 2 2 SiO-(R 2 2 SiO) L -SiR 1 R 2 2 €ƒ€ƒ€ƒ€ƒ€ƒ(1)
€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒR 3 R 4 nSiX (3-n) €ƒ€ƒ€ƒ€ƒ€ƒ(2)
€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒR 5 3 SiO-(R 5 2 SiO)n-SiR 5 3 €ƒ€ƒ€ƒ€ƒ€ƒ(3)
Inventors:
Yukio Hasegawa
Application Number:
JP2014553882A
Publication Date:
April 13, 2016
Filing Date:
December 26, 2012
Export Citation:
Assignee:
Miyoshi Kasei Co., Ltd.
International Classes:
A61K8/19; A61K8/25; A61K8/26; A61K8/891; A61Q1/00; A61Q1/02; A61Q1/04; A61Q1/10; A61Q1/12; A61Q3/00; A61Q5/02; A61Q5/12; A61Q9/02; A61Q19/00; A61Q19/02
Domestic Patent References:
| JPH0948716A | 1997-02-18 | |||
| JPH10251123A | 1998-09-22 | |||
| JP2001001332A | 2001-01-09 | |||
| JPS4518999B1 | 1970-06-29 | |||
| JPWO2014102863A1 | 2017-01-12 | |||
| JPH0948716A | 1997-02-18 | |||
| JPH10251123A | 1998-09-22 | |||
| JP2001001332A | 2001-01-09 | |||
| JPS4518999B1 | 1970-06-29 | |||
| JPWO2014102863A1 | 2017-01-12 |
Attorney, Agent or Firm:
Mitsuo Nakatani