Abstract: Polyhydroxyamido group-containing polyorganosiloxanes contain from 20 to 90% of end groups which are polyhydroxyamido groups, and are free flowing.

Abstract: The object of the present invention is to inexpensively produce a carrier having a hydrophilic spacer, for immobilizing biological materials, etc., which has been very expensive so far.

Abstract: The present invention relates to a photo-curable perfluoropolyether group-containing acrylate compound represented by the following formula (1): X1—[Z—Rf—Z—X2]v—Z—Rf—Z—X1??(1) wherein Rf is a divalent perfluoropolyether group; X1 is a group represented by the following formula (2): R2 is a group represented by the following formula (4): X2 is a group represented by the following formula (5): and Z is a divalent organic group.

Abstract: The present invention relates to a composition for use in treating paper, comprising a specific amide polyether group-containing polyorganosiloxane. The present invention can impart superior texture in view of softness, smoothness and the like to wipe paper such as tissue paper, toilet paper or the like, wherein the color of the wipe paper does not change, and water absorbability is not inhibited.

Abstract: The present invention relates to a process for preparing naratriptan or a salt thereof, the process comprising: (a) reacting a compound of formula (3) with a compound of the formula HCCR wherein Z is a protecting group, Y is a leaving group and R is a trialkyl silyl group, a trialkylstannyl group or a zinc (II) halide, to obtain the compound of formula (4); (b) converting the compound of formula (4) to a compound of formula (5) wherein Z? is hydrogen or a benzyl group; (c) converting the compound of formula (5) to naratriptan; and (d) optionally converting naratriptan to a salt thereof. The present invention also provides novel compounds (3) and (4) and processes for their preparation.

Abstract: A nanoparticle includes a chain oligomer section having a hydrophilic group and fluoroalkyl groups respectively at its opposite terminals, a three-dimensional silica network section, and an organic chain having fluorine or silicon, and is represented by the following formula (2): where R? is independent H or independent alkyl group; X is the hydrophilic group and is selected from the group consisting of an OH group, an NCO group, an NH2 group, an NHR group (where R is alkyl group) and a COY group (where Y is a hydrophilic group); RF is the fluoroalkyl group having a carbon number of 2 to 10 and a molecular weight of 119 to 1000; 3D-SN is the three-dimensional silica network section; B is selected from the group consisting of an O, O?C—O, NH—C?O and NR—C?O (where R is alkyl group); E is O, O?C—O, NH—C?O or NR—C?O (where R is alkyl group); L is (CH2O)l—[Si(CH3)2O]k—(CH2O)l-?, (CF2)j-? or (CF2O)h-? where ? is COY group (where Y is hydrophilic group), NCO group, NH2 group, NHR group (R is alkyl group), R grou

Abstract: Antitumoral compounds obtained from a porifera, of the family Raspailiidae, genus Lithoplocamia, species lithistoides, and derivatives thereof are provided.

Abstract: Disclosed herein is a hair care cosmetic which contains an organopolysiloxane defined in following (i) or (ii): (i) an organopolysiloxane in which the organopolysiloxane segment constituting the backbone has the substituent group represented by the following formula (1) which is connected to at least one silicon atom in the segment; wherein Z is an organic group represented by the following formula (2); (ii) an organopolysiloxane in which the organopolysiloxane segment constituting the backbone has the substituent group represented by the following formula (1?) and the substituent group represented by the following formula (3) which are connected to separate silicon atoms in the segment; —X—NH—Z ??(1?) wherein Z is an organic group represented by the following formula (2).

Abstract: This invention relates to a novel class of hybrid lipid compound based on pentaerythritol, their intermediates, preparation methods and uses thereof. Different kinds of functional groups such as alkyl chain, siloxane group, azobenzene, porphyrins, cholesterol, benzene ring and carboxyl were introduced into the four hydroxyl groups of pentaerythritol through chemical reaction to obtain the final hybrid lipid compounds based on pentaerythritol. Cerasomes prepared from such lipids have uniform size, silicate network surface, good stability and biocompatibility, and the leakage of drugs is not easy. The present liposome can be used as functional materials such as drugs or drug carriers, or used for optical storage and molecular devices, simulation, design and synthesis of artificial systems, nano-composite membrane materials and the removal of organic pollutants, etc., in addition, the preparation method of the present invention is simple, and it is easy for industrial production.

Abstract: Provided are an siRNA-polymer conjugate, and a method for preparing the same, and more specifically, to a hybrid conjugate formed by covalently bonding siRNA and a polymeric compound for improving the in vivo stability of siRNA, and to a preparation method of the hybrid conjugate. The conjugate of the present invention can improve the in vivo stability of siRNA, thereby achieving an efficient delivery of therapeutic siRNA into cells and exhibiting the activity of siRNA even with a small dose of a relative low concentration. Therefore, the conjugate can advantageously be used as not only an siRNA treatment tool for cancers and other infectious disease, but also a novel type siRNA delivery system.

Abstract: An amino acid-modified organopolysiloxane can be prepared under mild reaction conditions by reacting an amino-modified organopolysiloxane with an amino acid or amino acid derivative ester in the presence of an organometallic catalyst. The amino acid-modified organopolysiloxane having a hydrophilic group is useful in cosmetics, powder surface treatment, fiber or fabric treatment, coating, and resin modification.

Abstract: A compound comprising at least one alkoxy silane moiety; and at least one moiety selected from a nitrosobenzene or a nitrosobenzene precursor and combinations thereof are provided and used in polymer to metal in particular rubber to metal bonding. The nitrosobenzene precursor may be at least one of a quinone dioxime or a quinone oxime.

Abstract: This invention relates to a cosmetics characterized in that it contains a gelling agent comprising an organopolysiloxane having a silicon-bonded organic group represented by general formula: R1—X—CO—NH—[X—N(—CO—X—R1)]p—X— (1) (wherein R1 designates a group containing metal salt of a carboxylic acid represented by formula —COO? (Mn+)1/n (where M is a metal that has a valence of 1 or higher); X's designate the same or different C2 to C14 bivalent hydrocarbon groups; and p designates an integer from 0 to 10.). Preferably, the organosiloxane has an optionally substituted C9 or more univalent hydrocarbon group. Adding the gelling agent makes it possible to provide a cosmetic possessing superior temporal stability, water retention properties, sensory feel, gloss, curl retention, and cleansing power.

Abstract: Disclosed are silane-modified urea derivatives which can be produced by reacting diisocyanates with aminosilanes, hydroxysilanes, or mercaptosilanes. The inventive silane-modified urea derivatives are suitable especially for use as auxiliary rheological agents, preferably as thixotropic agents for silane-crosslinking systems, particularly for single-component and two-component adhesives and sealants, paint, lacquers, and coating while causing substantially no increase in viscosity, not being subject to discoloring, being reactive, and positively influencing mechanics.

Abstract: The invention concerns a triterpene alkaloid of general formula (I). The invention also concerns a method for making same and use thereof as medicine.

Abstract: The present invention is directed to a fluorosilane represented by (L)3-Si—(CH2)n—(Z1)a—[C(X1)]x—(Z2)l-Q1-Rf where each n is independently an integer from 1 to 12; L is independently chosen from a hydrolysable or non-hydrolysable monovalent group; Rf is chosen from a C2-C12 perfluoroalkyl provided that: i) one fluorine atom of the perfluoroalkyl can be optionally replaced by hydrogen, and/or ii) the perfluoroalkyl can be optionally interrupted by at least one oxygen, methylene, or ethylene; Q1 is chosen from the group consisting of a C2-C12 hydrocarbylene optionally interrupted by at least one divalent organic group; X1 is chosen from O or S; —Z2 is —NH— and Z1 is from the group consisting of —O—, and —S—; each R1 is independently chosen from hydrogen, phenyl, or a monovalent C1-C8 alkyl optionally terminated by —C6H5, preferably H or CH3.

Abstract: The invention concerns a new process for the preparation of prostaglandin derivatives, in particular prostaglandin F2? derivatives, for example bimatoprost, latanoprost and travoprost, the new intermediates of said process and their use in the preparation of prostagblandin derivatives.

Abstract: The invention relates to solvent-containing two-component polyurethane moisture cured hybrid sol-gel coating formulation comprising 1) an epoxy-functional binder with carbamate functionality and 2) a blended curing component comprising at least one sol gel precursor and an amine crosslinker.

Abstract: The invention provides a silicone monomer which is suitable for the manufacture of ophthalmic devices, such as contact lenses, intraocular lenses, and keratoprosthesis, a monomer composition containing the monomer, and a polymer which fulfills both surface hydrophilicity and oxygen permeability at the same time. The silicone monomer of the present invention is represented by the formula (1a) or (1b): (X: a monovalent C2 to C6 organic group having one or more —OH and optionally one 0 or N in its main chain; Z1 to Z9: a C1 to C4 alkyl group; n: 1 to 3; a and b: 0 or 1).

Abstract: In one aspect, the invention relates to silicon-based prepolymers. The disclosed prepolymers exhibit satisfactory solubility in aqueous solutions or hydrophilic solutions and can overcome undesirable shrinkage, expansion, and related problems possessed by conventional silicone monomers and related conventional polymerization techniques by producing hydrogels from a crosslinkable prepolymer. Also disclosed are polymers and molded articles produced from the disclosed prepolymers, which attain a satisfactory oxygen permeability. Also disclosed are methods for producing the disclosed prepolymers. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention.

Abstract: Surface-modified polymer films for coating are provided, wherein the surface is modified by covalent binding of nano- or micro-particles comprising a photoreactive species. The surface of the polymer film, e.g. a parylene film, may be modified by covalent binding of nano- or micro-particles of a polymer, e.g. a conductive bifunctional polymer further comprising a chemically reactive functional group, or of a hybrid organic-inorganic oxide, e.g., silica, network comprising a photoreactive species. Further provided are: (i) polymerizable monomers, the conductive bifunctional polymers obtained therefrom; (ii) a hybrid photoreactive organic-inorganic oxide network; and (iii) micro- or nano-particles made from (i) or (ii).

Abstract: The present invention relates to a process for cross-linking a silane with the structure (IIa) for the preparation of a product, comprising component (III) twice, in triplicate or in a higher quantity, where the radicals B, R1, Ra, R?, X1 and the indices a and b are defined as above for structure (IIa) and can be identical or different in each case, or for the cross-linking of a condensate, a partial condensate, a polymer or a partial polymer comprising structural units with the structure (IIb) via the bond R1—, characterized in that a silane with the structure (IIa), or an isomer, a re-esterification product or a condensation product of said silane, which condensation product was formed by loss of an alcohol molecule, or a condensate, a partial condensate, a polymer, or a partial polymer comprising structural units of structure (IIb) is reacted with a compound having the structure (IV) Q-R5[-Q?]c,??(IV).

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 provide a new lens curing method for making hydrogel contact lenses. The new lens curing method is based on actinically-induced step-growth polymerization. The invention also provides hydrogel contact lenses prepared from the method of the invention and fluid compositions for making hydrogel contact lenses based on the new lens curing method. In addition, the invention provide prepolymers capable of undergoing actinically-induced step-growth polymerization to form hydrogel contact lenses.

Abstract: The present invention relates to a silicone (meth)acrylamide monomer, and this silicone (meth)acrylamide monomer is particularly suitable for use in contact lenses, intraocular lenses, artificial cornea, and the like.

Abstract: Compounds comprising end groups represented by formula (Rf-Q)a-X-(A-)b and compounds comprising the reaction product of components comprising a multifunctional isocyanate compound and a fluorinated compound represented by formula (Rf-Q)a-X—(Z)b. Each Rf is independently a partially fluorinated or fully fluorinated group selected from RfA(O)2CHL?-(CF2)n—; [RfB—(O)1—C(L)H—CF2—O]m—W—; CF3CFH—O—(CF2)p—; CF3—(O—CF2)Z—; and CF3—O—(CF2)3—O—CF—. Methods of making an article having a surface using the fluorinated compounds and treated articles are also disclosed.

Abstract: Disclosed is a method of storing a fluorine-containing disilanol compound represented by the following formula (3) in the presence of a tertiary amine in such an amount that a molar ratio of the tertiary amine to a silanol group of the fluorine-containing disilanol compound ranges from 0.001 to 20, HO—Z—R1—Rf—R1—Z—OH??(3) wherein Rf is a divalent fluorinated hydrocarbon group or a divalent fluorinated polyether group, R1 may be the same with or different from each other and is a substituted or unsubstituted divalent hydrocarbon group which may have at least one atom selected from the group consisting of oxygen, nitrogen, silicon, and sulfur atoms, and Z is a group represented by the following formula (2) —SiR2R3—??(2) wherein R2 and R3 may be the same with or different from each other and are monovalent organic groups.

Abstract: The present invention provides a method of preparing a cross-condensed compound of an amino-acid derivative and (aminoalkyl)trialkoxysilane using microwave, including: irradiating and heating an amino-acid derivative and (aminoalkyl)trialkoxysilane in a microwave reactor to obtain a reaction product (step 1); and refining the reaction product obtained in the step 1 by removing an unreacted solid material from the reaction product and then leaving the reaction product at room temperature under vacuum to remove excess (aminoalkyl)trialkoxysilane therefrom (step 2). According to the method, since a cross-condensation reaction is performed using microwave, unlike a conventional condensation reaction, economic efficiency is increased due to no catalyst, short reaction time and no solvent. Further, the yield and selectivity of products is increased, and the condensation reaction can be environment-friendly performed because a solvent which can badly influence the environment may not be used.

Abstract: The present invention relates to polymeric compositions useful in the manufacture of biocompatible medical devices. More particularly, the present invention relates to certain monoethylenically unsaturated polycarbosiloxane monomers capable of polymerization to form polymeric compositions having desirable physical characteristics useful in the manufacture of ophthalmic devices.

Abstract: The invention discloses a biocompatible polymer for covalently modifying magnetic nanoparticles. The biocompatible polymer may be coupled to a targeting agent and/or a fluorescent dye. The invention also discloses a magnetic nanoparticle with biocompatibilities comprising the biocompatible polymer.

Abstract: A dental composite containing a nanoparticulate filler has a resin matrix with structural element (Ib) R is an open-chain and/or cyclic alkylene, arylene, or alkylene arylene with 1-10 C, optionally modified by oxygen, sulfur, carboxyl or amino, R1 is an open-chain and/or cyclic alkylene, arylene, or alkylene arylene with 1-10 C, optionally modified by oxygen, sulfur, carboxyl or amino; R? is an open-chain and/or cyclic alkyl, alkenyl, aryl, alkyl aryl, or aryl alkyl with 1-20 C; B and B? are identical or different and are a straight-chain or branched organically polymerizable group with (meth)acrylate residue; R3 are identical or different and a bond to another Si or hydrogen, alkyl with 1-10 C, or a bond to another metal atom; a is 1 or 2 and b is 0 or 1.

Abstract: The present invention relates to substrates comprising an outer functional layer characterized in that said layer possesses functional groups of formula (I), wherein the substituents are as defined in the specification; freezing point reducing surfaces, particularly surfaces which by application of a specific layer provide a freezing point reducing effect; further compounds suitable to establish such surfaces; devices comprising such surfaces; methods for manufacturing such compounds; surfaces and devices as well as the use of said compounds and surfaces in various applications.

Abstract: The invention is based on the discovery that a remarkable improvement in the performance of maleimide thermosets can be achieved by incorporating amide-extended maleimides into an adhesive formulation. Amide-extended maleimides described herein can be used to toughen bismaleimide thermosetting materials without sacrificing any thermal stability. Amide-extended maleimides are readily prepared by reacting a bismaleimide with an appropriate amine via the well-known Michael addition reaction. Acylation of the resulting secondary amines provides the amide-extended maleimide. The acylating agent can also be used to introduce polymerizable functional groups into the backbones of these thermoset monomers. Amide-extended acrylate and methacrylate monomers can also be prepared.

Abstract: A carbon nanotube (CNT) composite of which one or more specific functional groups are bonded to surface of a CNT, and a method of preparing a CNT composite are provided. The method includes the steps of introducing an acylhalide group to surface of a CNT, and causing a reaction of the acylhalide group with a polysiloxane having amine groups so as to prepare a CNT composite of which the polysiloxane is bonded to the surface by the medium of an amide group. The CNT composite can fix metal particles uniformly and densely thereon, can have improved mechanical and electrical properties, and can be applied to various industrial fields.

Abstract: The present invention relates to a polysilsesquioxane spherical particle containing a ultraviolet light (UV) absorbing group, and manufacturing method thereof, characterized in that a preferred embodiment of the present invention comprises (i) preparing a silsesquioxane precursor containing the UV-absorbing group; and (ii) reacting the silsesquioxane precursor prepared in the step (i) with aminoalkylalkoxy silane compound or its oligomer under a solvent by means of a catalyst or a catalyst and co-polymerization precursor to prepare a polysilsesquioxane spherical particle containing a UV-absorbing group. The present invention provides the polysilsesquioxane spherical particle having a good physical property and a good UV-absorbing efficiency as cosmetic additive, and a simple and economical method of manufacturing the spherical particle.

Abstract: An amino acid-modified organopolysiloxane is provided. It has an amino acid derivative bonded to at least one silicon atom of the organopolysiloxane segment constituting the backbone of the organopolysiloxane via an amide bond represented by the following general formula (1): wherein X and Y are independently a C1-10 divalent hydrocarbon group; m is an integer of 0 to 4; Ra is hydrogen atom, a monovalent hydrocarbon group containing 1 to 4 carbon atoms, or an organic group represented by the following general formula (2): (wherein Rb is hydrogen atom, a C1-7 monovalent hydrocarbon group, an alkaline metal, or an alkaline earth metal, and Rc is independently hydrogen atom, hydroxy group, or a C1-10 monovalent hydrocarbon group optionally containing oxygen atom, sulfur atom, or nitrogen atom); and Z is an organic group represented by the general formula (2).

Abstract: Novel processes are disclosed for forming an array of polymers by functionalizing the surface of particles by methods that include covalently attaching a functionalized silicon compound. Substrates such as microparticles having functionalized silicon compounds attached thereto are produced by introducing at least one carboxyl group directly by silanating a carboxylated silane compound to the surface of a microparticle. In a further aspect of the invention, the silane compound is a dipodal carboxylated silane.

Abstract: Novel processes are disclosed for forming an array of polymers by functionalizing the surface of particles by methods that include covalently attaching a functionalized silicon compound. Substrates such as microparticles having functionalized silicon compounds attached thereto are produced by introducing at least one carboxyl group directly by silanating a carboxylated silane compound to the surface of a microparticle. In a further aspect of the invention, the silane compound is a dipodal carboxylated silane.

Abstract: The invention relates to polyisocyanates containing allophanate groups and silane groups, to a process for preparing them and to their use as a starting component in the production of polyurethane polymers, more particularly as a crosslinker component in polyurethane paints and coatings.

Abstract: Fluorinated compounds represented by formula Rf-Q-X—[Si(R)f(R1)3-f]g. Each Rf is independently a partially fluorinated or fully fluorinated group selected from Rfa-(O)r-CHF—(CF2)n-; [Rfb-(O)t-C(L)H—CF2—O]m-W—; CF3CFH—O—(CF2)p-; CF3—(O—CF2)z-; and CF3—O—(CF2)3—O—CF2—. Methods of treating a surface or a hydrocarbon-bearing formation using the fluorinated compounds and treated articles and treated hydrocarbon-bearing formations are also disclosed.

Abstract: Disclosed are oligo- or polysiloxanes, which are characterized by containing at least 3, for example 4-3000, Si atoms in the main chain, and wherein at least one thereof is contained in a moiety of the formula (I) whose open bond of the O atom is linked to another Si atom of the oligo- or polysiloxane main chain, and whose open bond of the Si atom is linked either to another O atom of the oligo- or polysiloxane main chain or to R?1, where R1 and R?1 independently are C1-C10alkyl, R2 and R3 independently are C1-C18alkylene, X is a divalent spacer group selected from O, NR4, N(COR?5), CONR?4, OCONR?4;.

Abstract: New chiral stationary phases (CSPs) based on chiral selectors covalently bound on a solid support were prepared. Chiral selectors were obtained from enantiomerically pure aromatic amines and 3,5-dinitrobenzoic acid and then linked to the support surface through the allylic double bond. Such obtained materials allow enantioseparation of racemates or enantiomerically enriched compounds. These chiral stationary phases can be used as fillings in chromatographic columns for enantiomer separation of naproxen type drugs and other similar non-steroidal anti-inflammatory drugs (NSAID) by means of high performance liquid chromatography on both the analytical and preparative scale.

Abstract: The present invention relates to phenyloxyaniline derivatives, to methods of their production and to uses thereof.

Abstract: The invention relates to silane of formula (Ia), wherein the radicals and indices have the following meaning: R is an alkylene, arylene or alkylenearylene group that can be interrupted by one or more oxygen or sulfur atoms or carboxyl or amino groups or can carry said atoms/groups on their ends opposite the silicon atom; R1 is a Z?-substituted alkylene, arylene or alkylenearylene group, which can be interrupted by one or more oxygen or sulfur atoms or carboxyl or amino groups or can carry said atoms/groups on one of their ends; R? is an alkyl, alkenyl, aryl, alkylaryl or arylalkyl group; B and B? can be identical or different, both radicals can have the meaning of a straight-chained or branched organic group with at least one C?C double bond and at least 2 carbon atoms; B? can mean instead thereof but also —R2aSi(OR3)4-a or —R2aR?bSi(OR3)4-a-b, wherein R2 is an alkylene group and R? has the meaning defined above; X represents a group that can enter into a hydrolytic while forming Si—O—Si bridges; Z? means —NH

Abstract: Sulfur-containing ligands and methods of their utilization for binding metals and/or main group elements and removing them from fluids, solids, gases and/or tissues are disclosed.

Abstract: The invention relates to novel compounds, in particular ammonium-polyurethane and/or polycarbonate compounds, in particular ammonium-polyurethane-polydiorganosiloxane and/or polycarbonate-polydiorganosiloxane compounds, methods for their production as well as their use.

Abstract: The present invention relates to a perfluoropolyether-modified polysiloxane represented by general formula (1): wherein X is a divalent group represented by formula —CH2—, —CH2O—, —CH2OCH2— or —Y—NR—CO—, R1, R2, and R3 are, independently of each other, an alkyl group having 1 to 10 carbon atoms or an aryl group; X? is a divalent group represented by formula —CH2—, —OCH2—, —CH2OCH2— or —CO—NR—Y?— a is, independently of each other, 0 or 1; z and z? are, independently of each other, an integer of 5 to 100; and Rf is a divalent group represented by the following general formula (2): —CtF2t[OCF2CF(CF3)]m—OCF2(CF2)rCF2O[CF(CF3)CF2O],CtF2t—??(2) or by the following general formula (3): —Ct?F2t?(OCF2CF2)u(OCF2)vOCt?F2t?—??(3).

Abstract: The present invention relates to polymeric compositions useful in the manufacture of biocompatible medical devices. More particularly, the present invention relates to certain cationic monomers capable of polymerization to form polymeric compositions having desirable physical characteristics useful in the manufacture of ophthalmic devices. Such properties include the ability to extract the polymerized medical devices with water. This avoids the use of organic solvents as is typical in the art. The polymeric compositions comprise polymerized cationic hydrophilic siloxanyl monomers prepared by the process disclosed herein.

Abstract: The present invention relates to polymeric compositions useful in the manufacture of biocompatible medical devices. More particularly, the present invention relates to certain monoethylenically unsaturated polycarbosiloxane monomers capable of polymerization to form polymeric compositions having desirable physical characteristics useful in the manufacture of ophthalmic devices.

Abstract: The invention relates to silane of formula (Ia), wherein the radicals and indices have the following meaning: R is an alkylene, arylene or alkylenearylene group that can be interrupted by one or more oxygen or sulfur atoms or carboxyl or amino groups or can carry said atoms/groups on their ends opposite the silicon atom; R1 is a Z?-substituted alkylene, arylene or alkylenearylene group, which can be interrupted by one or more oxygen or sulfur atoms or carboxyl or amino groups or can carry said atoms/groups on one of their ends; R? is an alkyl, alkenyl, aryl, alkylaryl or arylalkyl group; B and B? can be identical or different, both radicals can have the meaning of a straight-chained or branched organic group with at least one C?C double bond and at least 2 carbon atoms; B? can mean instead thereof but also —R2aSi(OR3)4-a or —R2aR?bSi(OR3)4-a-b, wherein R2 is an alkylene group and R? has the meaning defined above; X represents a group that can enter into a hydrolytic while forming Si—O—Si bridges; Z? means —NH