JPH04348162A - Silicone oil-containing gel composition - Google Patents

Abstract

PURPOSE:To obtain a gel composition for cosmetics capable of producing a gel having a transparent feeling and stability by simple operation, comprising a silicone oil, an oily substance, an adduct of castor oil (hydrate) with ethylene oxide and water. CONSTITUTION:A gel composition for cosmetic comprising (A) 5-40wt.%, especially 10-45wt.% silicone oil (low-viscosity one having <=700 cps/25 deg.C viscosity), (B) 5-45wt.%, especially 10-40wt.% oily substance having <=1% water solubility selected from J15C ester (e.g. dioctyl sebacate or isopropyl myristate) and i15C hydrocarbon (e.g. liquid paraffin), (C) 5-45wt.%, especially 10-40wt.% adduct of castor oil (e.g. derivative) with >=10 mols ethylene oxide and (D) 5-55wt.%, especially 5-50wt.% water (100wt.% total), capable of producing a gel having a transparent feeling and stability irrespective of difference of viscosity of the silicone oil (A) by simple operation.

Description

Description: FIELD OF INDUSTRIAL APPLICATION The present invention relates to gel compositions containing silicone oil, mainly for cosmetics. [Prior Art] Silicone oil has water repellency, lubricity,
In addition to having excellent oxidation stability, polishing properties, and air permeability,
It is used as an important material for cosmetics because it has characteristics such as having a smooth feel. However, since silicone oil has poor compatibility with other cosmetic materials, there are problems in that it has poor stability when emulsified or made into a cream, and is not easy to gel. [0003] Various attempts have been made to develop gel cosmetics containing silicone oil, including a gel composition containing silicone oil, polyoxyalkylene-modified polysiloxane, organically modified montmorillonite clay mineral, and water (Japanese Patent Laid-Open Publication No. Publication No. 61-66752, JP-A-61-1
13646), gel compositions containing dextrin fatty acid ester added to polyorganosiloxane (JP-A-62-121764, JP-A-62-143970)
Although proposals have been made such as Japanese Patent Application Laid-Open No. 143971/1982), there are problems in terms of usability, transparency, etc. [0004] JP-A-1-252664 discloses a polyorganopolysiloxane, a surfactant, and water, the ratio of surfactant/water being 0.5 to 3, and a proportion of the total composition. A transparent gel composition in which the proportion of water is 0.5 to 40% by weight is disclosed. Therefore, it is said that there are advantages such as giving a favorable impression to the user. This gel composition is characterized by a considerably higher proportion of surfactant than conventional gel compositions. Further, in the examples of this publication, a polyorganopolysiloxane having a relatively high viscosity is used. However, even in the transparent gel composition described in JP-A-1-252664, the three-component system of silicone oil, water and surfactant is inherently difficult to mix. Therefore, in order to form a gel, strong stirring conditions must be employed, which poses problems both in terms of operation and equipment. In addition, even if a gel is formed by strong stirring, the gel is inherently unstable, so the liquid tends to separate from the gel over a long period of time after production, distribution, and use. . In particular, when the viscosity of the silicone oil is relatively low, gelation itself is impossible even if strong stirring conditions are used. [0006] In view of this background, the present invention is capable of easily obtaining a transparent and stable silicone oil-containing gel by a simple operation, and is capable of forming a gel regardless of the viscosity of the silicone oil. The aim is to provide technology that can achieve the goals of [Means for Solving the Problems] The silicone oil-containing gel composition of the present invention includes: - Silicone oil (A)
5 to 45% by weight, ester with 15 or more carbon atoms and 1 carbon number
Oily substance (B) selected from the group consisting of 5 or more hydrocarbons and having a solubility in water of 1% by weight or less (B) 5~
45% by weight, 10 moles or more of castor oil or its hydrogenated product (C) ethylene oxide adduct

5～
45% by weight, water (D)

It consists of 5 to 55% by weight. The present invention will be explained in detail below. As the silicone oil (A), chain silicone oils such as dimethylpolysiloxane and methylphenylpolysiloxane of various viscosities, and cyclic silicone oils such as octamethylcyclotetrasiloxane and decamethylcyclopentasiloxane are used. Not only high-viscosity products, but also low-viscosity products (for example, those with a viscosity of 700 cps/25° C. or less) that have not been easily gelled may be used. As the oily substance (B), an oily substance having a water solubility of 1% by weight or less and selected from the group consisting of esters having 15 or more carbon atoms and hydrocarbons having 15 or more carbon atoms is used. Examples of esters having 15 or more carbon atoms include propionic acid, butyric acid, caproic acid, caprylic acid, capric acid, lauric acid, myristic acid, palmitic acid, stearic acid, arachidic acid, behenic acid, montanic acid, and oleic acid. acids, alkyl esters such as linoleic acid, linolenic acid, ricinoleic acid, arachidic acid, arachidonic acid, or coconut oil fatty acids, palm oil fatty acids, castor oil fatty acids,
Fatty acids obtained by processing natural oils and fats such as olive oil fatty acids and beef tallow fatty acids; fatty acids obtained by processing hydrogenated fats and oils such as hydrogenated beef tallow fatty acids; fatty acids such as adipic acid, sebacic acid, malic acid, phthalic acid, and tartaric acid. Examples include alkyl esters of dibasic acids, such as dioctyl adipate and dioctyl sebacate; natural fats and oils such as coconut oil, palm oil, castor oil, olive oil, and beef tallow, and hydrogenated products thereof. Examples of hydrocarbons having 15 or more carbon atoms include liquid paraffin. As the adduct (C), an ethylene oxide adduct of 10 moles or more of castor oil or its hydrogenated product is used. When the number of moles of ethylene oxide added is less than 10 moles, the gel-forming ability is poor, so that it alone is not suitable for the purpose of the present invention. However, the number of added moles is 1
There is no problem in using it in combination with 0 mole or more. [0013] The blending ratio of each of the above components is 5 to 40% by weight (especially 10 to 40% by weight) of silicone oil (A).
, oily substance (B) in an amount of 5 to 45% by weight (especially 10 to 40% by weight)
% by weight), adduct (C) from 5 to 45% by weight (especially 10
~40% by weight), water (D) from 5 to 55% by weight (especially 5% by weight).
~50% by weight), and the total of these is 1
00% by weight. If the blending ratio of each component deviates from this range, the composition may separate, become an emulsion, a liquid emulsion, an opaque gel, etc., and the object of the present invention cannot be achieved. [0014] Other surfactants, solvents, polyhydric alcohols, bactericidal agents,
There is no problem in adding preservatives, ultraviolet absorbers, pigments, fragrances, medicinal ingredients, etc. The gel composition of the present invention is useful as cosmetics, especially hair cosmetics such as hair cosmetics, lipsticks, lipsticks, foundation sticks, eyebrow pencils, and eyeliner pencils, and can also be used as ointments. can. [Action] Silicone oil (A), oily substance (B)
, adduct (C), and water (D) in a specific ratio, silicone oil (A) can be prepared with a simple stirring operation.
Gives a transparent gel regardless of its viscosity. This silicone oil-containing gel is suitable for uses such as cosmetics. [Example] Next, the present invention will be further explained with reference to Examples. Hereinafter, "parts" and "%" are expressed on a weight basis. Examples and Comparative Examples The following silicone oil (A) was prepared. - Dimethylpolysiloxane with a viscosity of 10 cps/25°C (manufactured by Toray Dow Corning Silicone Co., Ltd.)
SH200-10")...abbreviated as SH-10, ・ Dimethylpolysiloxane with a viscosity of 350 cps/25°C ("SH200-350" manufactured by Toray Dow Corning Silicone Co., Ltd.)...abbreviated as SH-350, ・
A mixture of dimethylpolysiloxane with a viscosity of 1 million cps/25°C or higher and cyclic silicone oil in a weight ratio of 1:9 ("BY11-003" manufactured by Toray Dow Corning Silicone Co., Ltd.)...Abbreviated as BY11, Deca Methylcyclopentasiloxane (“DC-345” manufactured by Toray Dow Corning Silicone Co., Ltd.)…DC-
Abbreviated as 345 [0019] The following oily substance (B) was prepared.・Dioctyl sebacate...abbreviated as DOS,・
Dioctyl adipate...abbreviated as DOA, ・Isopropyl myristate...abbreviated as IPM, ・Cetyl ricinolate...abbreviated as CR, ・Glycerin caprylic capryl ("Panasate 810" manufactured by NOF Corporation)
...abbreviated as GCC, liquid paraffin with a viscosity of 70 cps/25°C (P-70 manufactured by Matsumura Oil Research Institute Co., Ltd.)
”)...Abbreviated as LPf, Octyldodecyl arachidic acid (“Wi” manufactured by Cas Chem)
lkenol 139'') ...abbreviated as ODA, Arachidyl propionate (Caschem)
"WAXENOL801" manufactured by Chem)...AP
Abbreviated as methyl castor oil fatty acid...abbreviated as CO-Me [
The following adduct (C) was prepared.・10 mole ethylene oxide adduct of castor oil (
HLB6)...abbreviated as CO-10, 14 mol ethylene oxide adduct of castor oil (
HLB8)...abbreviated as CO-14, 30 mol ethylene oxide adduct of castor oil (
HLB12)...abbreviated as CO-30, 50 mol ethylene oxide adduct of castor oil (
HLB15)...abbreviated as CO-50, - 25 mol ethylene oxide adduct of hydrogenated castor oil (HLB11)...abbreviated as HCO-25, ・30 mol ethylene oxide adduct of hydrogenated castor oil (HLB1)
2)...Abbreviated as HCO-30 [0021] The following other nonionic surfactants (E) were prepared.・ Polyoxyethylene nonylphenyl ether with HLB10 (“Nonion NS-20” manufactured by NOF Corporation)
4)...abbreviated as NS-204, sorbitan ethylene oxide adduct of HLB15 (ST-221 manufactured by NOF Corporation)...ST-22
1, abbreviated as ・Silione ethylene oxide adduct (“L-720” from Nippon Unicar Co., Ltd.)…Abbreviated as L-720, ・7 mole ethylene oxide adduct of castor oil…
Abbreviated as CO-7, ・Polyoxyethylene nonylphenyl ether with HLB17 (“Noogen ES-” manufactured by Dai-ichi Kogyo Seiyaku Co., Ltd.)
170)...Abbreviated as ES-170, ・Polyoxyethylene oleyl ether with HLB15 ("Noigen ET-150" manufactured by Dai-ichi Kogyo Seiyaku Co., Ltd.)
E)...abbreviated as ET-150E [0022] Under normal temperature conditions, the above silicone oil (A
), oily substance (B), adduct (C), and other nonionic surfactant (E) are weighed out and placed in a beaker, water (D) is added, and shaken well. I let it happen. After leaving this for 1 hour, the presence or absence of gel formation, gel hardness, and gel transparency were observed. The formulation and results are shown in Tables 1 and 2. No. 1 ~No. No. 14 is an example. 15~No. No. 22 is a comparative example. Table 1


(A) (B) (C)
(D) (E)
gel

Gel formation hardness
Transparency No. 1 DC-345 DOA
CO-30 H2O
○ ◎ ○
22% 22% 34
% 22%
No. 2
SH-10 DOS CO-30
H2O ○
◎ ○ 22
% 22 % 34 % 22
%
No. 3 SH-350
DOA CO-50 H2O
○ ◎
○ 30% 25
% 25% 20%

No. 4 SH-10 CR
CO-30 H2O
○ ○ ○
35% 12% 23%
30%
No. 5
SH-10 GCC CO-14
H2O ○
◎ ◎ 13%
13% 32% 42%

No. 6 SH-350
DOS HCO-25 H2O
○ ◎ ◎
17% 17%
32% 34%
N
o. 7 SH-350 IPM C
O-30 H2O
○ ◎ ◎
23% 23% 30%
24%
No. 8 SH
-350 AP CO-30H
2O ○ ◎
◎ 30%
20% 30% 20%

No. 9 DC-345 DO
S CO-30 H2O
○ ◎ ○
12% 25%
37% 26%
No.
10 SH-350 IPM CO-
30 H2O CO-6 ○
○ ○
15% 22% 20%
30% 13%
No. 11 SH-1
0 LPf CO-14 H2O
○ ○
◎ 20%
15% 40% 25%

No. 12 SH-10 DOS
CO-10 H2O ST-2
21 ○ ◎ ◎
23% 23% 1
5% 24% 15%
No. 13
BY11 CO-Me HCO-3
0 H2O ◎
◎ ○ 15
% 15% 30% 4
0%
No. 14 BY11
IPM CO-14 H2O
○ ○
○ 14% 14
% 24% 48%

Table 1


(A) (B) (C)
(D) (E)
gel

Gel formation hardness
Transparency No. 15 SH-10
CO-30 H2O
× − −
29% 42
% 29%
No. 16
SH-10 DOS
H2O NS-204 ×
− − 22
% 22 % 22
% 34%
No. 17 SH-10
DOS H2O
NS-204 ○ △
× 18% 18
% 37 % 27
%
No. 18 SH-10 DOS
H2O ST-221
× − −
22% 22%
22% 34%
No. 19
SH-10
H2O L-720 ×
− − 37.5%
25%
37.5%
No. 20 SH-10
H2O
L-720 × − −
55%
15% 30%
N
o. 21 SH-10 DOS
H2O NS-204
△ △ ○
23% 23%
24% 15%


ST-221


15%
No. 22 BY11
H2O
ES-170 × −
-88.6%
6.2% 2.6
%

ET-150E


2.6%
Effects of the Invention The composition of the present invention provides a transparent and stable gel even with a simple stirring operation, so it is advantageous in terms of operation and equipment, and is also preferable in terms of gel quality. It is something. Also, gel formation is caused by silicone oil (A).
It is also advantageous in that a relatively low viscosity silicone oil (A) can be used regardless of its viscosity. Therefore, the silicone oil-containing gel composition of the present invention is particularly useful in the field of cosmetics.

Claims (2)

[Claims] Claim 1: Silicone oil (A) 5-45% by weight
, an oily substance with a water solubility of 1% by weight or less selected from the group consisting of esters having 15 or more carbon atoms and hydrocarbons having 15 or more carbon atoms (B) 5 to 45% by weight, castor oil or its hydrogenated product 10 moles or more of ethylene oxide adduct (
C) 5 to 45% by weight, and water (D) 5 to 55% by weight. 2. The gel composition according to claim 1, which is used for cosmetics.