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Metal oxide composite high flat cellulose powder and cosmetics containing same

A technology of cellulose powder and oxide, which is used in medical preparations, cosmetics, cosmetics and other directions containing active ingredients, can solve the problems of difference in use feeling, spreadability and completion, and achieve excellent continuous effect, excellent color rendering, excellent Effect of smooth usability

Active Publication Date: 2016-03-09
OHKEN +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the ratio (L / D) of the major diameter to the minor diameter of this crystalline cellulose is 3 or less, and it cannot be said to be flat; There are differences in goodness, but there is no difference in the sense of use - "sticking", "spreading", and "finishing (仕上がり)"

Method used

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  • Metal oxide composite high flat cellulose powder and cosmetics containing same
  • Metal oxide composite high flat cellulose powder and cosmetics containing same
  • Metal oxide composite high flat cellulose powder and cosmetics containing same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0067] Manufacture of lauroyl lysine-treated fine-grained titanium dioxide composite high-flat cellulose powder (1):

[0068] (1) A cellulose powder derived from refined wood pulp (Nippon Paper Chemicals: W-400G) was used as a raw material. First, the adsorbed moisture was sufficiently removed to 0.1% or less by drying under reduced pressure at 40°C, and the obtained cellulose powder (55.3 g) was put into a sealable alumina grinding container (volume 500 mL) together with alumina grinding balls. Further, 0.7 g of lauroyl lysine (manufactured by Amihope LL Ajinomoto Co., Ltd.) and 14 g of microparticle titanium dioxide (manufactured by Ishihara Sangyo Co., Ltd. TTO-S-4) (particle diameter minor axis: 10 nm to 20 nm, major axis: 50 nm to 100 nm) were added . Thereafter, it was pulverized using a planetary ball mill (Sansho Industry Co., Ltd.) at a rotation speed of 200 rpm (pulverization energy of about 10G (acceleration of gravity)) for 40 minutes to obtain lauroyl lysine-trea...

Embodiment 2

[0073] Manufacture of lauroyl lysine-treated fine-grained titanium dioxide composite high-flat cellulose powder (2):

[0074] A cellulose powder derived from refined wood pulp (Nippon Paper Chemicals: W-400G) was used as a raw material. First, the adsorbed moisture was sufficiently removed to 0.1% or less by drying under reduced pressure at 40°C, and the resulting cellulose powder (41.3 g) was put into a sealable alumina grinding container (volume 500 mL) together with alumina grinding balls. Further, 0.7 g of lauroyl lysine (manufactured by Amihope LL Ajinomoto Co., Ltd.) and 28 g of microparticle titanium dioxide (manufactured by Ishihara Sangyo Co., Ltd. TTO-S-4) were added. Thereafter, it was pulverized using a planetary ball mill (Sansho Industry Co., Ltd.) at a rotation speed of 200 rpm (pulverization energy of about 10G (acceleration of gravity)) for 40 minutes to obtain lauroyl lysine-treated microparticle titanium dioxide composite high flat cellulose powder (Product...

Embodiment 3

[0077] Manufacture of Hydrogenated Lecithin Treated Granular Titanium Dioxide Composite High Flat Cellulose Powder (3):

[0078] A cellulose powder derived from refined wood pulp (Nippon Paper Chemicals: W-400G) was used as a raw material. First, the adsorbed moisture was sufficiently removed to 0.1% or less by drying under reduced pressure at 40°C, and the obtained cellulose powder (55.3 g) was put into a sealable alumina grinding container (volume 500 mL) together with alumina grinding balls. Further, 0.7 g of hydrogenated lecithin (manufactured by Lecinol S-10 made by Nikko Chemicals) and 14 g of microparticle titanium dioxide (manufactured by Ishihara Sangyo Co., Ltd. TTO-S-4) were added. Thereafter, the planetary ball mill (Sansho Industry Co., Ltd.) was used to grind at a rotational speed of 200 rpm (about 10G (gravitational acceleration) of grinding energy) for 40 minutes to obtain a hydrogenated lecithin-treated microparticle titanium dioxide composite high flat cellul...

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Abstract

The purpose of the present invention is to provide a powder for a cosmetic having, when compared to conventional powders for cosmetics, a better skin feel, and high functionality such as a UV blocking ability, and also to provide a cosmetic using the same. The cosmetic is a metal oxide conjugated highly-flat cellulose powder obtained by mechanically grinding a cellulosic material, a grinding aid, and a metal oxide, and combines the same.

Description

technical field [0001] The present invention relates to a highly flattened cellulose powder composited with a metal oxide and a powder cosmetic containing the same, more specifically, to a metal oxide having a highly flattened shape whose surface is coated with a metal oxide Composite high-flat cellulose powder and cosmetics containing it. Background technique [0002] Powder cosmetics containing powder components, oily components, etc. are widely used in the field of cosmetics, and examples thereof include foundation, eye shadow, face powder, blush, and the like. [0003] Such powder cosmetics are generally produced by filling a dish-shaped container with a powder mixture of powder components such as an extender and a pigment and an oily component, and performing press molding. [0004] As the powder component used in this powder cosmetic, in order to improve the spreadability and adhesion on the skin, thin plate-shaped mica flakes, sericite, talc, etc. derived from natura...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A61K8/73A61K8/19A61K8/27A61K8/29A61Q1/00A61Q17/04
CPCA61K8/0254A61K8/0283A61K8/19A61K8/27A61K8/29A61K8/731A61K2800/412A61Q1/02A61Q17/04
Inventor 增渕祐二五十岚启二村田东吾村田哲雄
Owner OHKEN
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