Emulsifier mixture containing fatty alcohols, ethoxylated fatty alcohols and oil and wax components
View Patent ↗A composition comprising: (a) from about 0.1 to 60%, by weight, of one or more fatty alcohols; (b) from about 30 to 97%, by weight, of one or more ethoxylated fatty alcohols; (c) from about 0.1 to 20%, by weight, of a component selected from the group consisting of a dialkyl ether, a dialkenyl ether, and mixtures thereof; and (d) less than 5%, by weight, of water, all weights being based on the weight of the composition, which composition is useful as an emulsifier for cosmetic and pharmaceutical compositions, particularly for forming low-viscosity oil-in-water emulsions.
1. An emulsifier consisting of:
(a) from about 0.1 to 60%, by weight, of at least one fatty alcohol;
(b) from about 30 to 97%, by weight, of at least one ethoxylated fatty alcohol;
(c) from about 0.1 to 20%, by weight, of a component selected from the group consisting of dialkyl ethers, dialkenyl ethers, dialkyl carbonates, dialkenyl carbonates and mixtures thereof; and
(d) less than 10%, by weight, of water,
all weights being based on the weight of the composition.
2. The emulsifier of claim 1 , wherein (a) is selected from the group consisting of C 12-24 -fatty alcohols.
3. The emulsifier of claim 1 , wherein (b) is a mixture of at least one ethoxylated C 12-24 -fatty alcohol having from 1 to 5 moles of ethylene oxide and at least one ethoxylated C 12-24 -fatty alcohol having from 6 to 35 moles of ethylene oxide.
4. The emulsifier of claim 1 , wherein (b) is a mixture of at least one ethoxylated C 12-24 -fatty alcohol having from 1 to 5 moles of ethylene oxide and at least one ethoxylated C 12-24 -fatty alcohol having from 6 to 16 moles of ethylene oxide, and at least one ethoxylated C 12-24 -fatty alcohol having from 18 to 35 moles of ethylene oxide.
5. The emulsifier of claim 1 , wherein (c) is selected from the group consisting of C 6-32 -dialkyl ethers, C 6-32 -dialkenyl ethers, and mixtures thereof.
6. An emulsifier consisting of:
(a) from about 0.1 to 60%, by weight, of at least one C 12-24 -fatty alcohol;
(b) from about 10 to 65%, by weight, of at least one ethoxylated C 12-24 -fatty alcohol having from 1 to 5 moles of ethylene oxide;
(c) from about 10 to 30%, by weight, of at least one ethoxylated C 12-24 -fatty alcohol having from 6 to 16 moles of ethylene oxide;
(d) from about 10 to 20%, by weight, of at least one ethoxylated C 12-24 -fatty alcohol having from 18 to 35 moles of ethylene oxide;
(e) from about 0.1 to 15%, by weight, of a component selected from the group consisting of dialkyl ethers, dialkenyl ethers, dialkyl carbonates, dialkenyl carbonates and mixtures thereof; and
(f) less than 10%, by weight, of water,
all weights being based on the weight of the composition.
7. An emulsifier consisting of:
(a) from about 0.1 to 60%, by weight, of at least one C 12-24 -fatty alcohol;
(b) from about 10 to 65%, by weight, of at least one ethoxylated C 12-24 -fatty alcohol having from 1 to 5 moles of ethylene oxide;
(c) from about 10 to 30%, by weight, of at least one ethoxylated C 12-24 -fatty alcohol having from 6 to 16 moles of ethylene oxide;
(d) from about 10 to 20%, by weight, of at least one ethoxylated C 12-24 -fatty alcohol having from 18 to 35 moles of ethylene oxide;
(e) from about 0.1 to 15%, by weight, of a component selected from the group consisting of dialkyl ethers, dialkenyl ethers, dialkyl carbonates, dialkenyl carbonates and mixtures thereof;
(f) from about 0.1 to 10%, by weight, of at least one C 12-18 -partial glyceride; and
(g) less than 10%, by weight, of water,
all weights being based on the weight of the composition.
8. A process for the preparation of a cosmetic composition comprising adding the emulsifier of claim 1 to a cosmetic composition or cosmetic composition base.
9. The process of claim 8 wherein the sole emulsifier component of said cosmetic composition is said emulsifier of claim 1 .
10. An emulsifier consisting of:
(a) from about 0.1 to 60%, by weight, of at least one fatty alcohol;
(b) from about 30 to 97%, by weight, of at least one ethoxylated fatty alcohol;
(c) from about 0.1 to 20%, by weight, of a component selected from the group consisting of dialkyl ethers, dialkenyl ethers, dialkyl carbonates, dialkenyl carbonates and mixtures thereof;
(d) less than 10%, by weight, of water, and
(e) from about 0.1 to 10%, by weight, of at least one partial glyceride;
all weights being based on the weight of the composition.
11. The emulsifier of claim 10 wherein said at least one partial glyceride is selected from the group consisting of C 12-18 partial glycerides.
12. A process for the preparation of a cosmetic composition comprising adding the emulsifier of claim 10 to a cosmetic composition or cosmetic composition base.
13. The process of claim 12 wherein the sole emulsifier component of said cosmetic composition is said emulsifier of claim 10 .