Silicone compound and cosmetic preparation
1a2b(4−a−b)/21 2 p2pq2qrThis invention provides a sterol-modified silicone compound which is low melting, hydrophilic and very suitable for emulsifying, represented by the general formula RRSiO, and having a melting point of 40° C. or less, and provides a cosmetic material containing this silicone c...
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| Main Author | |
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| Format | Patent |
| Language | English |
| Published |
10.01.2006
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| Online Access | Get full text |
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| Summary: | 1a2b(4−a−b)/21 2 p2pq2qrThis invention provides a sterol-modified silicone compound which is low melting, hydrophilic and very suitable for emulsifying, represented by the general formula RRSiO, and having a melting point of 40° C. or less, and provides a cosmetic material containing this silicone compound having excellent stability and moisture retention propertiesRin the general formula is a monofunctional alkyl group, aryl group, aralkyl group or fluorine-substituted alkyl group having 1-10 identical or different carbon atoms, which does not contain an aliphatic unsaturated bond, and Ris an organic group represented by the general formula -(CHO(CHO)-X, where X is a monofunctional residue excepting the hydroxyl group of sterol, a and b are integers satisfying the relations 1.0≦a≦2.5, 0.001≦b≦1.0, and 1.5≦a+b≦2.6, respectively, p is an integer in the range 2-6, q is an integer in the range 2-4, and r is an integer in the range 3-200. |
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