Abstract: The present invention concerns a silane of formula (1) R1aSIR4-a??(1) where the group R1 or each of the groups R1 independently is bound to the silicon via an oxygen atom, comprises a straight or branched hydrocarbonaceous chain having one or more elements, wherein (a) each of the elements has not more than 8 consecutive carbon atoms, each of plural elements of the hydrocarbonaceous chain being separated from the next element by a cleavable group and/or (b) the elements have one or more cleavable groups and any hydrocarbonaceous chains remaining upon cleavage of said group(s) are water soluble, wherein said cleavable groups are selected from ester, anhydride, amide, carbonate, carbamate, ketal, acetal, disulfide, imine, hydrazone and oxime groups, has at least one thiol or a primary or secondary amino group, the group R or each of the groups R is independently a hydrolytically condensable group, and a is 1,2,3 or 4.

Abstract: A three-dimensional scaffold structure and a process for its manufacture. The scaffold structure has a polymer system obtainable by photostructuring a starting material containing precursor molecules or inorganic polymers thereof having an organically polymerizable radical with at least one C?C double bond, an inorganically polymerizable silane-based radical and a functional group or derivative thereof.

Abstract: A thin-film transistor and a method for producing a thin-film transistor are provided. The thin-film transistor comprising at least one semiconductor layer, at least one insulator layer, at least one source electrode, at least one drain electrode and at least one gate electrode, which are arranged on a substrate, wherein the at least one source electrode and/or the at least one drain electrode and/or the at least one gate electrode consist(s) of a layer system comprising a first layer composed of molybdenum oxide or tungsten oxide and, deposited thereon, a second layer comprising magnesium.

Abstract: The invention relates to a shaped body and a process for its production by means of a radiation-induced printing process, characterized in that the shaped body is produced from a liquid or viscous material which contains a starting component with cycloolefinic groups, a thiol with at least two thiol groups per molecule and an initiator and/or catalyst for the light-induced thiol-ene addition reaction between the thiol groups and a double bond of the cycloolefinic groups, and the solidification takes place by directing light from a radiation source onto a region of a surface of a substrate, a layer of the liquid or viscous material located there being subjected to organic polymerisation by the action of radiation and thereby solidified, whereupon further layers of the liquid or viscous material, which are each located on the layer of the most recently solidified material, are successively solidified with the aid of this radiation source.

Abstract: The present invention concerns a silane of formula (1) R1aSiR4-a??(1) where the group R1 or each of the groups R1 independently is bound to the silicon via an oxygen atom, comprises a straight or branched hydrocarbonaceous chain having one or more elements, wherein (a) each of the elements has not more than 8 consecutive carbon atoms, each of plural elements of the hydrocarbonaceous chain being separated from the next element by a cleavable group and/or (b) the elements have one or more cleavable groups and any hydrocarbonaceous chains remaining upon cleavage of said group(s) are water soluble, wherein said cleavable groups are selected from ester, anhydride, amide, carbonate, carbamate, ketal, acetal, disulfide, imine, hydrazone and oxime groups, has at least one thiol or a primary or secondary amino group, the group R or each of the groups R is independently a hydrolytically condensable group, and a is 1, 2, 3 or 4.

Abstract: A three-dimensional scaffold structure and a process for its manufacture. The scaffold structure has a polymer system obtainable by photostructuring a starting material containing precursor molecules or inorganic polymers thereof having an organically polymerizable radical with at least one C?C double bond, an inorganically polymerizable silane-based radical and a functional group or derivative thereof.

Abstract: The invention relates to a silane or silane mixture obtainable by reacting a hydrolysable silane of the formula (A): SiR4 in which R is a hydrolytically condensable group or hydroxyl with a compound R*(OH)x where x is 1, 2, 3 or greater 3, where R* has a straight-chain or branched hydrocarbon skeleton which, according to the number x, is monovalent, divalent, trivalent or multivalent, and has a hydrocarbonaceous chain interrupted by at least two —C(O)O— groups, wherein there are a maximum of 8 successive carbon atoms in the individual hydrocarbon units formed by interruptions within this chain and the, or in the case of branched structures at least one, end of the hydrocarbonaceous chain at the opposite end to the sole hydroxyl group or one of the hydroxyl groups bears an organically polymerizable group, wherein the alcohol is otherwise unsubstituted or has further substituents.

Abstract: The present invention relates to compounds and silicic acid (hetero)polycondensates comprising structures of formulas (1) and/or (2), R2 is a hydroxy group or a free carboxylic acid residue or a carboxylic acid ester derived therefrom or a salt derived therefrom, R3 denotes a residue having a hydrocarbon-containing branched or unbranched backbone which is bonded to silicon by carbon, and can be arbitrarily interrupted by heteroatoms or coupling groups or by other heteroatom-containing groups, where the zigzag line purely schematically denotes the hydrocarbon-containing backbone, the three not more closely characterized bonds of the Si-atom represent additional residues bonded to the silicon atom, selected from residues that can be hydrolyzed from silicon, hydroxy groups and residues bonded to silicon by carbon which can have the same meaning as R3 or can have a different meaning deviating therefrom, or represent oxygen bridges to further silicon atoms and/or other metal atoms in the case the structure (

Abstract: The invention relates to a silane or silane mixture obtainable by reacting a hydrolysable silane of the formula (A): SiR4 in which R is a hydrolytically condensable group or hydroxyl with a compound R*(OH)x where x is 1, 2, 3 or greater 3, where R* has a straight-chain or branched hydrocarbon skeleton which, according to the number x, is monovalent, divalent, trivalent or multivalent, and has a hydrocarbonaceous chain interrupted by at least two —C(O)O— groups, wherein there are a maximum of 8 successive carbon atoms in the individual hydrocarbon units formed by interruptions within this chain and the, or in the case of branched structures at least one, end of the hydrocarbonaceous chain at the opposite end to the sole hydroxyl group or one of the hydroxyl groups bears an organically polymerizable group, wherein the alcohol is otherwise unsubstituted or has further substituents.

Abstract: 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)d—SO3M 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), NR8C(O), NHC(O)O, NR8C(O)O, NHC(O)NH, C(O)NHC(O) and —C(O)S—, wherein R8 is alkyl or alkenyl or a (meth)acryl group.

Abstract: 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)d—SO3M 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), NR8C(O), NHC(O)O, NR8C(O)O, NHC(O)NH, C(O)NHC(O) and —C(O)S—, wherein R8 is alkyl or alkenyl or a (meth)acryl group.

Abstract: The present invention relates to compounds and silicic acid (hetero)polycondensates comprising structures of formulas (1) and/or (2), R2 is a hydroxy group or a free carboxylic acid residue or a carboxylic acid ester derived therefrom or a salt derived therefrom, R3 denotes a residue having a hydrocarbon-containing branched or unbranched backbone which is bonded to silicon by carbon, and can be arbitrarily interrupted by heteroatoms or coupling groups or by other heteroatom-containing groups, where the zigzag line purely schematically denotes the hydrocarbon-containing backbone, the three not more closely characterized bonds of the Si-atom represent additional residues bonded to the silicon atom, selected from residues that can be hydrolyzed from silicon, hydroxy groups and residues bonded to silicon by carbon which can have the same meaning as R3 or can have a different meaning deviating therefrom, or represent oxygen bridges to further silicon atoms and/or other metal atoms in the case the structure (

Abstract: The invention relates to a compound, comprising at least three functionalities, that is (a) a sulfonate or sulfate group of the formula —(O)d—SO3M with d=0 or 1 and M=hydrogen or a monovalent metal cation or the corresponding fraction of a polyvalent metal cation, (b) a (meth)acryl group, and (c) either (c1) at least one further (meth)acryl group or an inorganically condensable group, and/or (c2) a further carboxylic acid function, and/or (c3) a function which increases the refractive index of a material produced from the compounds, that is a thioether group, with the proviso that a sulfonate or sulfate group and a (meth)acrylate group are separated from one another in a silicon-free compound via a hydrocarbon-containing group, the carbon chain of which is either interrupted by O, S or NH or contains a linking group.

Abstract: The present invention relates to a process for a chain extension of radicals bonded to silicon via carbon in silanes or siloxanes while maintaining or increasing the number of functional groups on the respective Si—C-bonded radicals, wherein a silane or siloxane with a radical bonded to a silicon atom by a carbon atom, which bears at least two functional groups, wherein a first group of the functional groups is an unsaturated, organically polymerizable group and a second group of the functional groups is selected from among (a) additional unsaturated, organically polymerizable groups, (b) COOR8 or —(O)bP(O)(R5)2 and (c) —OH, with R8 equal to R4 or M1/xx+ wherein Mx+ is a hydrogen or an x-fold positively charged metal cation, and b=0 or 1, is converted in a first reaction with a compound of a formula (I) X—W—(Z)a??(I) wherein X is SH, NH2 or NHR4, Z is OH, the carboxylic acid radical —COOH or a salt or an ester of this radical or a silyl radical, W is a substituted or non-substituted hydrocarbon, the chain

Abstract: The present invention relates to a method for converting reactive groups of Si—C bound groups of silanes or siloxanes while simultaneously increasing the physical distance between said groups, the Si—C bound groups having the grouping-AW(Z)a, wherein A represents a coupling group selected from —S—, —NH—and NR3, where R3 represents an unsubstituted or substituted hydrocarbon group or a (meth)acryl group, W is a substituted or unsubstituted hydrocarbon group, the chain of which may be interrupted by one or more groups of —S—, —O—, —NH—, —NR 3—, —C(O)O—, —NHC(O)—, —C(O)NH—, —NHC(O)O—, —C(O)NHC(O)—, —NHC(O)NH—, —S(O)—, —C(S)O—, —C(S)NH—, —NHC(S)—, —NHC(S)O—, R3 having the aforementioned meaning, Z represents a functional group, which may be the same or different, selected from OH, the carboxylic acid group —COOH or a salt or an ester of said group, and a=2, 3, 4, 5 or a greater integer, characterized in that, in a single or second reaction, said groups of the silanes or siloxanes are either reacted with a comp

Abstract: The present invention relates to a process for a chain extension of radicals bonded to silicon via carbon in silanes or siloxanes while maintaining or increasing the number of functional groups on the respective Si—C-bonded radicals, wherein a silane or siloxane with a radical bonded to a silicon atom by a carbon atom, which bears at least two functional groups, wherein a first group of the functional groups is an unsaturated, organically polymerizable group and a second group of the functional groups is selected from among (a) additional unsaturated, organically polymerizable groups, (b) COOR8 or —(O)bP(O)(R5)2 and (c) —OH, with R8 equal to R4 or M1/xx+ wherein Mx+ is a hydrogen or an x-fold positively charged metal cation, and b=0 or 1, is converted in a first reaction with a compound of a formula (I) X—W—(Z)a??(I) wherein X is SH, NH2 or NHR4, Z is OH, the carboxylic acid radical —COOH or a salt or an ester of this radical or a silyl radical, W is a substituted or non-substituted hydrocarbon, the c

Abstract: The invention relates to silicic acid (hetero) polycondensates consisting of at least one silane that has a group bonded to silicon by a carbon atom and that carries an organically polymerisable C?C double bond, and at least one silane that has a group bonded to silicon by a carbon atom and that carries a sulphonate group or a sulphate group of the formula —(O)d-SO3M wherein d=0 or 1 and M=hydrogen, or a monovalent metal cation, or the corresponding quantity of a polyvalent metal cation, yet not including polycondensates in which the C?C double bonds are formed exclusively by methacrylic esters that are bound, in the form of a methylene acryl ester group, to the groups bonded to silicon by carbon. The invention also relates to composites that consist of such silicic acid (hetero) polycondensates in combination with fillers, and to polymers produced by organically polymerising the C?C double bonds in the polycondensates or composites.

Abstract: The invention relates to a compound, comprising at least three functionalities, that is (a) a sulfonate or sulfate group of the formula —(O)d—SO3M with d=0 or 1 and M=hydrogen or a monovalent metal cation or the corresponding fraction of a polyvalent metal cation, (b) a (meth)acryl group, and (c) either (c1) at least one further (meth)acryl group or an inorganically condensable group, and/or (c2) a further carboxylic acid function, and/or (c3) a function which increases the refractive index of a material produced from the compounds, that is a thioether group, with the proviso that a sulfonate or sulfate group and a (meth)acrylate group are separated from one another in a silicon-free compound via a hydrocarbon-containing group, the carbon chain of which is either interrupted by O, S or NH or contains a linking group.

Abstract: The present invention relates to silanes with the formula (I) RaQbSiX4-a-b (I) wherein the radicals and indices have the following meaning: R is optionally the same or different and identifies a straight-chain, branched-chain and/or cyclic alkyl, alkenyl, aryl, alkylaryl or arylalkyl group or a straight-chain or branched and/or cyclic organic radical with at least one organically polymerizable group, wherein the carbon chains can each be interrupted by one or more oxygen or sulfur atoms or carboxyl or carbonamide or amino groups or can hold one or more groups selected from carboxylic acid groups, carbonamide groups, amino groups, hydroxy groups and mercapto groups, at one of the ends of said carbon chains, Q is (C6H3)(OR1)2 or R3(C6H3)(OR1)2, where R1 indicates hydrogen or a C1C4- alkyl group, and R3 is a substituted or unsubstituted carbon chain that is interrupted by either one or by multiple groups selected from —O—, —NH—, —NHC(O)—, —C(O)NH—, —C(O)NHC(O)—, —NHC(O)NH—, —C(O)O—, —NHC(O)O—, —C(O)—, —OC(O)NHC(

Abstract: The invention relates to carboxylic acid derivates which contain at least one organically polymerisable group and at least one group which contains phosphorous and is reactive or that modulates the properties of the molecule. The invention also relates to a method for production of the inventive molecules and the use thereof in dentistry and for influencing the properties of materials.