An organo(poly)siloxane (A) consists of units of general formula (I) R.sub.nSiO.sub.(4-n/2), where R is selected from the radicals R.sup.1, —OR.sup.2, R.sup.u, R.sup.S and Q, wherein R.sup.1 denotes a monovalent substituted or unsubstituted hydrocarbon radical having 1 to 18 carbon atoms, R.sup.2 denotes a hydrogen atom or a monovalent substituted or unsubstituted hydrocarbon radical having 1 to 6 carbon atoms, R.sup.u denotes a monovalent aliphatic unsaturated hydrocarbon radical having 2 to 18 carbon atoms, R.sup.S denotes a monovalent thiol-functionalized hydrocarbon radical, Q is a nitrogen functional group of formula (II) —CR.sup.5R.sup.6—NR.sup.4R.sup.3, where R.sup.3 and R.sup.4 each independently denote hydrogen or a substituted or unsubstituted hydrocarbon radical, and R.sup.5 and R.sup.6 each independently denote hydrogen or the methyl radical. The organo(poly)siloxane (A) contains per molecule at least one unit of general formula (III) Q-Si(OR.sup.7).sub.2O.sub.1/2, at least 1 aliphatically unsaturated radical R.sup.u, and at least 2 thiol-functionalized groups R.sup.S.

A hydrophilic silicone, compositions comprising the same, and articles comprising the same are shown and described herein. The hydrophilic silicone is an ionically modified silicone compound wherein the compound has a net neutral charge. The hydrophilic silicone compounds may be provided as part of a composition, e.g., a composition suitable for forming a hydrogel, which may be employed to form a film material and even an article (e.g., in a contact lens).

A hydrophilic silicone, compositions comprising the same, and articles comprising the same are shown and described herein. The hydrophilic silicone is an ionically modified silicone compound wherein the compound has a net neutral charge. The hydrophilic silicone compounds may be provided as part of a composition, e.g., a composition suitable for forming a hydrogel, which may be employed to form a film material and even an article (e.g., in a contact lens).

Organofunctional polyorganosiloxanes, their use in cosmetic compositions, method for treating amino acid based substrates with organofunctional polyorganosiloxanes, compositions comprising the organofunctional polyorganosiloxanes useful for hair straightening and shaping as well as hair coloration and hair color retention.

Organofunctional polyorganosiloxanes, their use in cosmetic compositions, method for treating amino acid based substrates with organofunctional polyorganosiloxanes, compositions comprising the organofunctional polyorganosiloxanes useful for hair straightening and shaping as well as hair coloration and hair color retention.

The present invention is a curable composition comprising a component (A), a component (B), a component (C), and a component (D), the curable composition comprising the component (A) and the component (B) in a mass ratio (component (A):component (B)) of 100:0.3 to 100:20, the component (A) being a silane compound (co)polymer that is represented by a formula (a-1) or a formula (a-2),

(CHR.sup.1X.sup.0-D-SiO.sub.3/2).sub.m(R.sup.2SiO.sub.3/2).sub.n(CHR.sup.1X.sup.0-D-SiZ.sup.1O.sub.2/2).sub.o(R.sup.2SiZ.sup.2O.sub.2/2).sub.p(CHR.sup.1X.sup.0-D-SiZ.sup.3.sub.2O.sub.1/2).sub.q(R.sup.2SiZ.sup.4.sub.2O.sub.1/2).sub.r   (a-1)

(R.sup.3SiO.sub.3/2).sub.s(R.sup.3SiZ.sup.5O.sub.2/2).sub.t(R.sup.3SiZ.sup.5.sub.2O.sub.1/2).sub.u   (a-2) the component (B) being fine particles having an average primary particle size of more than 0.04 μm and 8 μm or less, the component (C) being a silane coupling agent that comprises a nitrogen atom in its molecule, and the component (D) being a silane coupling agent that comprises an acid anhydride structure in its molecule, and an optical element-securing composition, and a cured product, and an optical element-securing material, and a method for using the curable composition, and an optical device.

The present invention is a curable composition comprising a component (A), a component (B), a component (C), and a component (D), the curable composition comprising the component (A) and the component (B) in a mass ratio (component (A):component (B)) of 100:0.3 to 100:20, the component (A) being a silane compound (co)polymer that is represented by a formula (a-1) or a formula (a-2),

(CHR.sup.1X.sup.0-D-SiO.sub.3/2).sub.m(R.sup.2SiO.sub.3/2).sub.n(CHR.sup.1X.sup.0-D-SiZ.sup.1O.sub.2/2).sub.o(R.sup.2SiZ.sup.2O.sub.2/2).sub.p(CHR.sup.1X.sup.0-D-SiZ.sup.3.sub.2O.sub.1/2).sub.q(R.sup.2SiZ.sup.4.sub.2O.sub.1/2).sub.r   (a-1)

(R.sup.3SiO.sub.3/2).sub.s(R.sup.3SiZ.sup.5O.sub.2/2).sub.t(R.sup.3SiZ.sup.5.sub.2O.sub.1/2).sub.u   (a-2) the component (B) being fine particles having an average primary particle size of more than 0.04 μm and 8 μm or less, the component (C) being a silane coupling agent that comprises a nitrogen atom in its molecule, and the component (D) being a silane coupling agent that comprises an acid anhydride structure in its molecule, and an optical element-securing composition, and a cured product, and an optical element-securing material, and a method for using the curable composition, and an optical device.

A compound has at least three functionalities, including a first functionality (a) that is a sulfonate group or a sulfate group of the formula —(O).sub.d—SO.sub.3M with d=0 or 1 and with M=hydrogen or a monovalent metal cation or a corresponding portion of a multivalent metal cation; a second functionality (b) that is a (meth)acryl residue; and a third functionality (c) that is a carboxylic acid function and/or a thioether group. When the compound is free of silicon, the sulfonate or sulfate group and the (meth)acryl residue are separated from each other by a hydrocarbon-containing residue having a carbon chain. The carbon chain is interrupted by S or NH, or the carbon chain contains a linking group, selected from C(O)NH, NHC(O), NR.sup.8C(O), NHC(O)O, NR.sup.8C(O)O, NHC(O)NH, C(O)NHC(O) and —C(O)S—, wherein R.sup.8 is alkyl or alkenyl or a (meth)acryl group.

A compound has at least three functionalities, including a first functionality (a) that is a sulfonate group or a sulfate group of the formula —(O).sub.d—SO.sub.3M with d=0 or 1 and with M=hydrogen or a monovalent metal cation or a corresponding portion of a multivalent metal cation; a second functionality (b) that is a (meth)acryl residue; and a third functionality (c) that is a carboxylic acid function and/or a thioether group. When the compound is free of silicon, the sulfonate or sulfate group and the (meth)acryl residue are separated from each other by a hydrocarbon-containing residue having a carbon chain. The carbon chain is interrupted by S or NH, or the carbon chain contains a linking group, selected from C(O)NH, NHC(O), NR.sup.8C(O), NHC(O)O, NR.sup.8C(O)O, NHC(O)NH, C(O)NHC(O) and —C(O)S—, wherein R.sup.8 is alkyl or alkenyl or a (meth)acryl group.

The present invention relates to oligomeric organosilanes containing at least two different structural units within a molecule, selected from the structural units A, B, C and D joined in any desired linear, branched or cyclic arrangement, ##STR00001##
wherein at least one R, R.sup.1, R.sup.2, R.sup.3, R.sup.4 or R.sup.7 group is an alkyl polyether group —O—(R.sup.5—O).sub.m—R.sup.6,
to the preparation thereof and to the use thereof in rubber mixtures.