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Stick cosmetic and process for producing the same

A technology for cosmetics and rods, applied in the field of rod-shaped cosmetics and its manufacturing, can solve the problems of great influence on strength, decrease in strength, difficulty in maintaining shape, etc., and achieve the effect of less damage to color development and excellent impact strength

Inactive Publication Date: 2007-06-20
MITSUBISHI PENCIL CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] This stick-shaped cosmetic contains oil components such as fats and oils or silicone oils, and these materials have a great influence on the strength. Therefore, there is a problem that if it is made into a powder (like a coating feeling that solidifies the powder) and used It is soft and has a good coating feeling, but the strength is lowered
[0014] However, since the mesoporous powders described in these documents are not aimed at stick-shaped cosmetics, after making such powders, the powders are solidified or kneaded into fluids to make blush, foundation cream, etc. Cosmetic method, so there is a problem that it is difficult to mold the powder into a stick shape, and it is difficult to maintain the shape

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0064] 300 g of ion-exchanged water, 300 g of cetyltrimethylammonium bromide as a surfactant, and 25 g of 0.1 mol / l HCl were added, and stirred at 30° C. for 30 minutes (solution 1). Next, a mixture of 50 g of tetraethylorthosilicate (TEOS) as a source of Si and 50 g of titanium isopropoxide as a source of Ti was added to the above solution 1, and stirred at 30° C. for 2 hours to prepare the mesoporosity. Solution A for material formation. Using this solution A, a stick-shaped cosmetic was prepared by the following mixing composition and the following production method.

[0065] Mix composition:

[0066] Solution A 30.0% by weight

[0067] Prussian blue 24.0% by weight

[0068] Titanium oxide 6.0% by weight

[0069] Kaolin 20.0% by weight

[0070] Boron nitride 20.0% by weight

[0071] The above-mentioned mixed composition was kneaded, and the kneaded product was extruded into a thin wire by an extruder, dried in air at 50° C. for 24 hours, ultrasonically washed with dis...

Embodiment 2

[0073] Dilute 20g of No. 3 sodium silicate (SiO 2 = 29.1%, Na 2 O=9.45%), make it pass through the column that is filled with II+ type cation exchange resin (Amberlite IR-120B) beforehand, recover active carbon dioxide 100g. On the other hand, an aqueous solution in which 5.6 g of octadecyltrimethylammonium chloride was dissolved was prepared, and the above-mentioned active silica gel was added little by little, and the entire amount was added in about 5 hours to prepare a solution for forming a mesoporous material. b. Using this solution B, a stick-shaped cosmetic was prepared by the following mixing composition and the following production method.

[0074] Mix composition:

[0075] Solution B 30.0% by weight

[0076] Prussian blue 14.0% by weight

[0077] Titanium oxide 6.0% by weight

[0078] Kaolin 30.0% by weight

[0079] Boron nitride 20.0% by weight

[0080]Knead the above mixed composition, use an extruder to extrude the kneaded product into a thin thread, dry ...

Embodiment 3

[0082] Dilute 50g of tetraethoxysilane with 50g of ethanol, slowly drop into 50g of polyethylene glycol (average molecular weight 400), mix for 1 hour, then drop into 100g of 0.1N-HCl aqueous solution, mix for 6 hours, to make mesoporous material solution C. Using this solution C, a stick-shaped cosmetic was prepared by the following mixing composition and the following production method.

[0083] Mix composition:

[0084] Solution C 30.0% by weight

[0085] Prussian blue 20.0% by weight

[0086] Titanium oxide 5.0% by weight

[0087] Kaolin 15.0% by weight

[0088] Boron nitride 30.0% by weight

[0089] The above-mentioned mixed composition is kneaded, and the kneaded product is extruded into a thin wire by an extruder, dried at 80°C in the air for 24 hours, and then ultrasonically washed with distilled water for 1 hour, and then Microwave heating (2.45GHz·700W) for 3 minutes produced a light blue rod-shaped cosmetic material with a diameter of 2.0mm.

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Abstract

A stick cosmetic is provided that while ensuring satisfactory coloring property and drawn-line density, enables free designing of application feeling from hardness to softness through the size and distribution of mesopores and the type of material, and that excels in mechanical properties (flexural strength, tensile strength, impact strength, etc.), realizing multicoloring. There is provided a stick cosmetic characterized in that a mesoporous material is used in its skeleton. Further, there is provided a process for producing the stick cosmetic, comprising synthesizing a mesoporous material at low temperature with the use of microwave heating and ultrasonic washing.

Description

technical field [0001] The present invention relates to stick-shaped cosmetics for extension containers, stick-shaped cosmetics for wooden shafts, paper-rolled stick-shaped cosmetics, etc., which are mainly used for cosmetics. Color rendering, drawing density, and can freely set the coating feeling to be hard or soft according to the size and distribution of mesopores, or the type of material, and the mechanical strength (bending strength, tensile strength, impact strength, etc.) A stick-shaped cosmetic material capable of achieving pleochroism while being excellent, and a method for producing the same. Background technique [0002] In general, the important characteristics required for stick-shaped cosmetics are good coating feeling, ability to be multi-colored, good color rendering of drawn lines, and high mechanical strength. [0003] As stick-shaped cosmetics satisfying these characteristics, for example, a silicon oil, an ester oil composed of fatty acids and aliphatic...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A61K8/02A61K8/25A61K8/24A61K8/19A61Q1/04A61Q1/00A61K8/26A61Q1/02
CPCA61K8/26A61K8/0229A61K8/19A61K8/24A61K8/25A61K2800/872A61Q1/02A61Q1/10
Inventor 坂西聪
Owner MITSUBISHI PENCIL CO LTD
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