Claims
- 1. A siloxane derivative represented by general formula (1) ##STR38## wherein at least one of R.sup.1 to R.sup.12 is a group represented by general formula (2) ##STR39## wherein Q is a divalent hydrocarbon group having 4 to 20 carbon atoms, R.sup.13 and R.sup.14 are hydrogen atom or a hydrocarbon group having 1 to 5 carbon atoms, and at least one of R.sup.13 and R.sup.14 is hydrogen atom; the remaining R.sup.1 to R.sup.12 are straight-chain, branched-chain or cyclic hydrocarbon groups having 1 to 30 carbon atoms or groups represented by general formula (3)
- --X--R.sup.15 ( 3)
- wherein X is a divalent hydrocarbon group having an ether bonding and/or ester bonding and R.sup.15 is a straight-chain, branched-chain or cyclic hydrocarbon group having 1 to 30 carbon atoms; l, m and n are numbers of 0 to 200, and at least one of R.sup.1 to R.sup.3 and R.sup.10 to R.sup.12 is a group represented by general formula (2) when l+m+n=0.
- 2. The siloxane derivative of claim 1, wherein Q is an alkylene group having 4 to 20 carbon atoms and R.sup.13 and R.sup.14 are hydrogen atoms, and wherein R.sup.1 to R.sup.12 are alkyl groups having 1 to 30 carbon atoms.
- 3. The siloxane derivative of claim 1, wherein l+m+n is 0 to 2000 and Q is an alkylene group having 4 to 20 carbon atoms.
- 4. The siloxane derivative of claim 1, wherein the siloxane derivative is represented by general formula (1A) ##STR40## wherein R.sup.2A represents an alkyl group having 2 to 30 carbon atoms and s is a number of 4 to 20.
- 5. The siloxane derivative of claim 1, wherein the siloxane derivative is represented by general formula (1B) ##STR41## wherein t is a number of 0 to 2000 and u is a number of 4 to 20.
- 6. The siloxane derivative of claim 1, wherein the siloxane derivative is represented by general formula (1C) ##STR42## wherein t is a number of 0 to 2000 and s is a number of 4 to 20.
- 7. The siloxane derivative of claim 1, wherein the siloxane derivative is represented by general formula (1D) ##STR43## wherein R.sup.4D represents an alkyl group having 2 to 30 carbon atoms, t and v are numbers of 0 to 1000, w is a number of 1 to 1000, and s is a number of 4 to 20.
- 8. A method for producing a siloxane derivative represented by general formula (1b) ##STR44## wherein at least one of R.sup.1 " to R.sup.12 " represents a group represented by general formula (2) ##STR45## wherein Q is a divalent hydrocarbon group having 4 to 20 carbon atoms, R.sup.13 and R.sup.14 are hydrogen atom or a hydrocarbon group having 1 to 5 carbon atoms, and at least one of R.sup.13 and R.sup.14 is hydrogen atom; at least one of the remainings of R.sup.1 " to R.sup.12 " represents a group represented by general formula (3)
- --X--R.sup.15 ( 3)
- wherein X is a divalent hydrocarbon group having an ether bonding and/or ester bonding and R.sup.15 is a straight-chain, branched-chain or cyclic hydrocarbon group having 1 to 30 carbon atoms; and the remainings of R.sup.1 " to R.sup.12 " are straight-chain, branched-chain or cyclic hydrocarbon groups having 1 to 30 carbon atoms, and, when l+m+n=0, at least one of R.sup.1 " to R.sup.3" and R.sup.10 " to R.sup.12 " represents a group represented by general formula (2) and at least one of the remainings of R.sup.1 " to R.sup.3 " and R.sup.10 " to R.sup.12 " represents a group represented by general formula (3), comprising reacting a compound represented by general formula (4') ##STR46## wherein at least two of R.sup.16 ' to R.sup.27 ' represent hydrogen atoms, the remainings of R.sup.16 ' to R.sup.27 ' represent a straight-chain, branched-chain or cyclic hydrocarbon group having 1 to 30 carbon atoms, l, m and n are the same as described above, and at least two of R.sup.16 ' to R.sup.16 ' and R.sup.25 ' to R.sup.27 ' represent hydrogen atoms when l+m+n=0, with compounds represented by general formulas (2') and (3') ##STR47## wherein Q' represents a hydrocarbon group having 4 to 20 carbon atoms and one double bond, and R.sup.13 and R.sup.14 are the same as described above, and
- X'--R.sup.15 ( 3')
- wherein X' is a hydrocarbon group having at least one double bond and an ether bonding and/or ester bonding and R.sup.15 is the same as described above.
- 9. A use as an emulsifier of a siloxane derivative specified in claim 1.
- 10. A cosmetic preparation including a siloxane derivative represented by general formula (1) specified in claim 1.
- 11. A method for producing a siloxane derivative represented by general formula (1a) ##STR48## wherein at least one of R.sup.1 ' to R.sup.12 ' represents a group represented by general formula (2) ##STR49## wherein Q is a divalent hydrocarbon group having 4 to 20 carbon atoms, R.sup.13 and R.sup.14 are hydrogen atom or a hydrocarbon group having 1 to 5 carbon atoms, and at least one of R.sup.13 and R.sup.14 is hydrogen atom; the remainings of R.sup.1 ' to R.sup.12 ' are straight-chain, branched-chain or cyclic hydrocarbon groups having 1 to 30 carbon atoms, and at least one of R.sup.1 ' to R.sup.3 ' and R.sup.10 ' to R.sup.12 ' represents a group represented by general formula (2) when l+m+n=0,
- comprising reacting a compound represented by general formula (4) ##STR50## wherein at least one of R.sup.16 to R.sup.27 represents hydrogen atom, the remainings of R.sup.16 to R.sup.27 represent a straight-chain, branched-chain or cyclic hydrocarbon group having 1 to 30 carbon atoms, l, m and n are numbers of 0 to 2000, and at least one of R.sup.16 to R.sup.18 and R.sup.25 to R.sup.27 represents hydrogen atom when l+m+n=0, with a compound represented by general formula (2') ##STR51## wherein in formula (2') Q' represents a hydrocarbon group having 4 to 20 carbon atoms and one double bond, and R.sup.13 and R.sup.14 are the same as described above.
- 12. An emulsifying dermatotherapeutic external agent comprising:
- (A) 5 to 70 weight % of oil phase component;
- (B) 20 to 94.9 weight % of water phase component; and
- (C) 0.1 to 30 weight % of emulsifier including a siloxane derivative represented by general formula (1) ##STR52## wherein at least one of R.sup.1 to R.sup.12 is a group represented by general formula (2) ##STR53## wherein Q is a divalent hydrocarbon group having 4 to 20 carbon atoms, R.sup.13 and R.sup.14 are hydrogen atom or a hydrocarbon group having 1 to 5 carbon atoms, and at least one of R.sup.13 and R.sup.14 is hydrogen atom; the remainings of R.sup.1 to R.sup.12 are straight-chain, branched-chain or cyclic hydrocarbon groups having 1 to 30 carbon atoms or groups represented by general formula (3)
- --X--R.sup.15 ( 3)
- wherein X is a divalent hydrocarbon group having an ether bonding and/or ester bonding and R.sup.15 is a straight-chain, branched-chain or cyclic hydrocarbon group having 1 to 30 carbon atoms; l, m and n are numbers of 0 to 200, and at least one of R.sup.1 to R.sup.3 and R.sup.10 to R.sup.12 is a group represented by general formula (2) when l+m+n=0.
- 13. The emulsifying dermatotherapeutic external agent of claim 12, wherein the oil phase component (A) includes at most 50 weight % of silicone oil, and wherein in the siloxane derivative of the component (C), l+m+n is 0 to 2000 and Q is an alkylene group having 4 to 20 carbon atoms.
- 14. The emulsifying dermatotherapeutic external agent of claim 12, wherein the oil phase component (A) includes 50 weight % of silicone oil, and wherein the siloxane derivative in component (C) is represented by either one of the following formulae (1A) to (1D): ##STR54## wherein R.sup.2A represents an alkyl group having 2 to 30 carbon atoms and s is a number of 4 to 20, ##STR55## wherein t is a number of 0 to 2000 and u is a number of 4 to 20, ##STR56## wherein, t is a number of 0 to 2000 and s is a number of 4 to 20, ##STR57## wherein R.sup.4D represents an alkyl group having 2 to 30 carbon atoms, t and v are numbers of 0 to 1000, w is a number of 1 to 1000, and s is a number of 4 to 20.
Priority Claims (2)
Number |
Date |
Country |
Kind |
2-228958 |
Aug 1990 |
JPX |
|
2-256732 |
Sep 1990 |
JPX |
|
Parent Case Info
This application is a continuation of application Ser. No. 07/750,535, filed on Aug. 27, 1991, now U.S. Pat. No. 5,144,054.
US Referenced Citations (9)
Foreign Referenced Citations (3)
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Date |
Country |
0335407 |
Oct 1989 |
EPX |
0373661 |
Jun 1990 |
EPX |
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Dec 1978 |
FRX |
Non-Patent Literature Citations (3)
Entry |
Patent Abstracts of Japan vol. 12, No. 312 (C-523) (3159) 24 Aug. 1988 & JP-A-63 083 121 (Toshiba Silicone Co., Ltd.) 13 Apr. 1988 *abstract*. |
Patent Abstracts of Japan vol. 6, No. 257 (C-140) (1135) 16 Dec. 1982 & JP-A-57 149 290 (Shinetsu Kagaku Kogyo K.K.) 14 Sep. 1982 *abstract*. |
Patent Abstracts of Japan vol. 15, No. 27 (C-797) 22 Jan. 1991 & JP-A-2 265 926 (Kao Corp.) 30 Oct. 1990 *abstract*. |
Continuations (1)
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Number |
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Parent |
750535 |
Aug 1991 |
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