Gel composition and cosmetic

Patent metadata

Field	Value
Publication number	US-9486652-B2
Application number	US-67041008-A
Country	US
Kind code	B2
Filing date	Jul 24, 2008
Priority date	Jul 26, 2007
Publication date	Nov 8, 2016
Grant date	Nov 8, 2016

Abstract

The present invention provides a gel composition having improved texture in use. A gel composition consisting of an organosiloxane derivative represented by the following formula (1) or (3), a monohydric aliphatic alcohol having 10 to 30 carbon atoms, and water.

First claim

What is claimed is:

1. A gel composition comprising:
an organosiloxane compound of the following formula (1) or (3),
a monohydric aliphatic alcohol having 10 to 30 carbon atoms, and water;

in the formula (1), at least one of R 1 to R 3 is a functional group of —O—Si(R 4 ) 3 in which R 4 is an alkyl group having 1 to 6 carbon atoms or a phenyl group, or a functional group of —O—Si(R 5 ) 2 —X 1 in which R 5 is an alkyl group having 1 to 6 carbon atoms or a phenyl group, and X 1 is a functional group of the following formula (2) when i=1; and the remaining R 1 to R 3 may be the same or different and each may be a substituted or unsubstituted monovalent hydrocarbon group; M is a hydrogen atom, a metal atom, or an organic cation; A is a linear or branched alkylene group of C q H 2q in which q is any integer of 0 to 20; and the organosiloxane compound of the formula (1) contains a total of 2 to 20 silicon atoms (Si) on average per molecule;

in the formula (2), R 6 is a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, or a phenyl group; R 7 and R 8 are selected from an alkyl group having 1 to 6 carbon atoms or a phenyl group; B is a linear or branched alkylene group of C r H 2r which may be partially branched in which r is any integer of 2 to 20; and i specifies the generation of a silylalkyl group of X i and is any integer of 1 to n when the generation number is n, wherein the generation number n is any integer of 1 to 10; ai is any integer of 0 to 2 when i is 1, or ai is an integer smaller than 3 when i is 2 or larger; and X i+1 is the silylalkyl group when i is smaller than n, and is a methyl group when i=n;

in the formula (3), R 9 to R 12 may be the same or different and are selected from a substituted or unsubstituted monovalent hydrocarbon group; M is a hydrogen atom, a metal atom, or an organic cation; Q is a linear or branched alkylene group of C q H 2q in which q is any integer of 0 to 20; and p is any number of 0 to 20,
wherein a molar ratio of the organosiloxane compound: the monohydric aliphatic alcohol is in the range of 1:0.1 to 1:30,
an amount of water is in the range of 100 to 10000 parts by mass with respect to 100 parts by mass of the mixture of the organosiloxane compound and the monohydric aliphatic alcohol, and
the gel composition contains crystal structure characterized in that bilayer membranes of the organosiloxane compound and the monohydric aliphatic alcohol are arranged in a layer form in a long-period structure and the hydrophobic groups of the organosiloxane compound and the monohydric aliphatic alcohol are arranged in a hexagonal form on the short-plane side.

2. The gel composition according to claim 1 , wherein the organosiloxane compound is of the formula (1), and R 1 and R 2 are selected from a functional group of —O—Si(R 4 ) 3 in which R 4 is an alkyl group having 1 to 6 carbon atoms; R 3 is a monovalent hydrocarbon group having 1 to 10 carbon atoms; and q is any integer of 6 to 20.

3. The gel composition according to claim 1 , the organosiloxane compound is of the formula (3), wherein R 9 to R 12 are a group selected from the group consisting of substituted or unsubstituted alkyl groups having 1 to 20 carbon atoms, aryl groups, and aralkyl groups; q is any integer of 6 to 20; p is any number of 1 to 20; and M is an atom selected from the group consisting of hydrogen, alkali metal, and alkaline-earth metal atoms.

4. The gel composition according to claim 1 , wherein the monohydric aliphatic alcohol having 10 to 30 carbon atoms is an aliphatic alcohol having a melting point of 40° C. or higher.

5. A cosmetic comprising;
an organosiloxane compound of the formula (1) or (3):
a monohydric aliphatic alcohol having 10 to 30 carbon atoms, and water;

in the formula (1), at least one of R 1 to R 3 is a functional group of —O—Si(R 4 ) 3 in which R 4 is an alkyl group having 1 to 6 carbon atoms or a phenyl group, or a functional group of —O—Si(R 5 ) 2 —X 1 in which R 5 is an alkyl group having 1 to 6 carbon atoms or a phenyl group, and X 1 is a functional group of the following formula (2) when i=1; and the remaining R 1 to R 3 may be the same or different and each may be a substituted or unsubstituted monovalent hydrocarbon group; M is a hydrogen atom, a metal atom, or an organic cation; A is a linear or branched alkylene group of C q H 2q in which q is any integer of 0 to 20; and the organosiloxane compound of the formula (1) contains a total of 2 to 20 silicon atoms (Si) on average per molecule;

in the formula (2), R 6 is a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, or a phenyl group; R 7 and R 8 are selected from an alkyl group having 1 to 6 carbon atoms or a phenyl group; B is a linear or branched alkylene group of C r H 2r which may be partially branched in which r is any integer of 2 to 20; and i specifies the generation of a silylalkyl group of X i and is any integer of 1 to n when the generation number is n, wherein the generation number n is any integer of 1 to 10; ai is any integer of 0 to 2 when i is 1, or ai is an integer smaller than 3 when i is 2 or larger; and X i+1 is the silylalkyl group when i is smaller than n, and is a methyl group when i=n;

in the formula (3), R 9 to R 12 may be the same or different and are selected from a substituted or unsubstituted monovalent hydrocarbon group; M is a hydrogen atom, a metal atom, or an organic cation; Q is a linear or branched alkylene group of C q H 2q in which q is any integer of 0 to 20; and p is any number of 0 to 20;
wherein a system consisting of the organosiloxane compound/higher alcohol/water forms a gel structure,
a molar ratio of the organosiloxane compound: the monohydric aliphatic alcohol is in the range of 1:0.1 to 1:30,
an amount of water is in the range of 100 to 10000 parts by mass with respect to 100 parts by mass of the mixture of the organosiloxane compound and the monohydric aliphatic alcohol, and
the gel composition contains crystal structure characterized in that bilayer membranes of the organosiloxane compound and the monohydric aliphatic alcohol are arranged in a layer form in a long-period structure and the hydrophobic groups of the organosiloxane compound and the monohydric aliphatic alcohol are arranged in a hexagonal form on the short-plane side.

6. The cosmetic according to claim 5 , wherein the organosiloxane compound is of the formula (1), and R 1 and R 2 are selected from a functional group of —O—Si(R 4 ) 3 in which R 4 is an alkyl group having 1 to 6 carbon atoms; R 3 is a monovalent hydrocarbon group having 1 to 10 carbon atoms; and q is any integer of 6 to 20.

7. The cosmetic according to claim 5 , wherein the organosiloxane compound is of the formula (1), and at least one or more of R 1 to R 3 are selected from a functional group of the following formula (4) or (5):

and the remaining R 1 to R 3 may be the same or different and are selected from a substituted or unsubstituted monovalent hydrocarbon group.

Assignees

• Araki Hidefumi
• Watanabe Kei
• Nakama Yasunari
• Hineno Teruhiko
• Ilmura Tomohiro
• Okawa Tadashi
• Shiseido Co Ltd
• Dow Corning Toray Co

Inventors

• Araki Hidefumi
• Watanabe Kei
• Nakama Yasunari
• Hineno Teruhiko
• Ilmura Tomohiro
• Okawa Tadashi

Classifications

• A61Q1/02

  Preparations containing skin colorants, e.g. pigments (preparations in powder form A61Q1/12) · CPC title

• C08G77/045

  containing less than 25 silicon atoms · CPC title

• A61Q19/007 Primary

  Preparations for dry skin · CPC title

• A61Q1/10

  for eyes, e.g. eyeliner, mascara · CPC title

• C08L83/06

  containing silicon bound to oxygen-containing groups (C08L83/12 takes precedence) · CPC title