METHOD OF USING PERSONAL AND HOME CARE COMPOSITIONS CONTAINING A SOL-GEL DERIVED MATERIAL
Disclosed is a method for removing fatty oil from a surface containing the fatty oil comprising the steps of applying to the surface containing the fatty oil a composition comprising a sol-gel derived material, the sol-gel derived material including a plurality of alkylsiloxy substituents and the sol-gel derived material obtained from (a) at least one first alkoxysilane precursor having the formula: (R′O) 3 —Si—(CH 2 )—Ar—(CH 2 ) m —Si—(OR′) 3 ( 1 ) where n and m are individually an integer from 1 to 8, Ar is a single-, fused-, or poly-aromatic ring, and each R′ is independently a C 1 to C 5 alkyl group and (b) optionally, at least one second precursor having the formula: where x is 1, 2, 3 or 4; y is 0, 1, 2, 3; z is 0, 1; the total of x+y+z is 4; each R is independently an organic functional group; each an R′ is independently a C 1 to C 5 alkyl group and R″ is an organic bridging group and then moving the composition from the surface to remove the fatty oil.
1 . A method for removing fatty oil from a surface containing the fatty oil comprising the steps of:
applying to a surface containing a fatty oil a composition comprising a sol-gel derived material, the sol-gel derived material including a plurality of alkylsiloxy substituents and the sol-gel derived material obtained from:
(a) at least one first alkoxysilane precursor having the formula:
(R′O) 3 —Si—(CH 2 ) n —Ar—(CH 2 ) m —Si—(OR′) 3 (1)
where n and m are individually an integer from 1 to 8, Ar is a single-, fused-, or poly-aromatic ring, and each R′ is independently a C 1 to C5 alkyl group and
(b) optionally, at least one second precursor having the formula:
where x is 1, 2, 3 or 4; y is 0, 1, 2, 3; z is 0, 1; the total of x+y+z is 4; each R is independently an organic functional group; each an R′ is independently a C 1 to C 5 alkyl group and R″ is an organic bridging group and then
removing the composition from the surface to remove the fatty oil.
2 . The method of claim 1 wherein the fatty oil is sebum.
3 . The method of claim 1 wherein the surface is the surface of skin, hair or lips.
4 . The method of claim 1 wherein the surface is a surface of skin.
5 . The method of claim 1 wherein the composition further comprises a vehicle for the sol-gel derived material.
6 . The method of claim 1 wherein the composition is a personal care composition or a home care composition.
7 . The composition of claim 1 where x is 2 or 3, y is 1 or 2 and z is 0 and R′ is a methyl, an ethyl, or a propyl group.
8 . The method of claim 1 wherein R comprises an unsubstituted or substituted straight-chain hydrocarbon group, branched-chain hydrocarbon group, cyclic hydrocarbon group, or aromatic hydrocarbon group.
9 . The method of claim 3 wherein the plurality of alkylsiloxy groups have the formula:
—(O) w —Si—(R 1 ) 4-w (3)
where each R 1 is independently an organic group as described above and w is an integer from 1 to 3
10 . The method of claim 9 wherein the first alkoxysilane precursor comprises a bis(trialkoxysilylalkyl)benzene.
11 . The method of claim 5 where the first alkoxysilane precursor comprises bis 1,4-bis(trimethoxysilylmethyl)benzene (BTB), bis(triethoxysilylethyl)benzene (BTEB), or mixtures thereof.
12 . The method of claim 1 wherein the second alkoxysilane precursor comprises tetramethoxysilane, methyltrimethoxysilane, methyltriethoxysilane, dimethyldimethoxysilane, dimethyldiethoxysilane, phenyltrimethoxysiliane, aminopropyl-trimethoxysilane, 1,4-bis(triethoxysilyl)benzene, 2-(trimethoxysilylethyl)pyridine, bis(triethoxysilylpropyl)amine, para-trifluoromethylterafluorophenyltrimethoxysilane, (tridecafluoro-1,1,2,2-tetrahydro-octyl)trimethoxysilane, 3-aminopropyltrimethoxysilane, 3-mercaptopropyltrimethoxysilane, 3-cyanopropyltrimethoxysilane, 3-sulfoxypropyltrimethoxysilane, isocyanopropyltrimethoxysilane, 2-(3,4-epoxycyclohexyl)ethyltrimethoxysilane, isocyanopropyltrimethoxysilane and trimethoxypropylbenzylcarbamate.
13 . A method for removing sebum from a surface containing the sebum comprising the steps of:
applying to a surface containing a fatty oil a composition comprising a sol-gel derived material, the sol-gel derived material including a plurality of alkylsiloxy substituents and the sol-gel derived material_obtained from
(a) at least one first alkoxysilane precursor having the formula:
(R′O) 3 —Si—(CH 2 ) n —Ar—(CH 2 ) m —Si—(OR′) 3 (1)
where n and m are individually an integer from 1 to 8, Ar is a single-, fused-, or poly-aromatic ring, and each R′ is independently a C 1 to C 5 alkyl group and
(b) optionally, at least one second precursor having the formula:
where x is 1, 2, 3 or 4; y is 0, 1, 2, 3; z is 0, 1; the total of x+y+z is 4; each R is independently an organic functional group; each an R′ is independently a C 1 to C 5 alkyl group and R″ is an organic bridging group
removing the composition from the surface under conditions sufficient to remove the oil.
14 . The method of claim 13 wherein the surface is the surface of skin, hair or lips.
15 . The method of claim 13 wherein the composition is a personal care composition or a home care composition
16 . The composition of claim 13 where x is 2 or 3, y is 1 or 2 and z is 0 and R′ is a methyl, an ethyl, or a propyl group.
17 . The method of claim 1 wherein R comprises an unsubstituted or substituted straight-chain hydrocarbon group, branched-chain hydrocarbon group, cyclic hydrocarbon group, or aromatic hydrocarbon group.
18 . The method of claim 3 wherein R comprises an alkyl hydrocarbon group, an aromatic hydrocarbon group, or an aromatic hydrocarbon group substituted with heteroatom containing moieties or aromatic amines.
19 . The method of claim 13 wherein the first alkoxysilane precursor comprises a bis(trialkoxysilylalkyl)benzene.
20 . The method of claim 19 where the first alkoxysilane precursor comprises bis 1,4-bis(trimethoxysilylmethyl)benzene (BTB), bis(triethoxysilylethyl)benzene (BTEB), or mixtures thereof.