Abstract: A composition includes a hybrid ligand. The hybrid ligand includes an amine group, an amide group or a sulfonamide group, and hydroxyl groups. A first method includes providing a solution containing a first polar analyte and a second polar analyte, applying the solution to a stationary phase including an immobilized hybrid ligand, applying an elution solvent to the stationary phase such that the first polar analyte and the second polar analyte pass through the stationary phase with different elution times, and collecting the first polar analyte at a first elution time and collecting the second polar analyte at a second elution time after the first elution time. A device of a packed column, a cartridge, a tube, a well plate, a membrane, or a planar thin-layer chromatography plate includes a solid support and a hybrid ligand coupled to the solid support. A second method forms an immobilized hybrid ligand.

Abstract: A fluorochemical surface treating agent comprising a hydrolyzable group-containing silane modified with a fluorooxyalkylene-containing polymer and/or a partial hydrolytic condensate thereof forms a water/oil repellent layer having chemical resistance and mar resistance.

Abstract: The present invention relates to a stable mixture comprising surface-modified particles which are obtained by reacting metal oxide or semimetal oxide particles with at least one compound selected from among silicon-comprising compounds bearing at least one metaloxy radical and optionally further alkoxy and/or hydroxy radical(s) and at least one solvent, at least one surface-active substance or a mixture thereof, a process for producing the mixture, the use of these particles in systems in which they are brought into contact with at least one solvent, where the mass ratio of solvent to modified particle is greater than 500, and also the use of these particles in agglomeration-deagglomeration cycles.

Abstract: A heterogeneous catalyst comprising a metal-containing polymer matrix covalently bonded to a support material and a method of making and using such catalysts. The metal-containing polymer matrix comprises metal nano-particles encapsulated in a polymer matrix, e.g., a siloxane. In one aspect, the metal-containing polymer matrix can be bonded to the support material via a hydrophobic group attached to the support material. The catalyst can be recovered after being used in a metal catalyzed reaction and exhibit excellent catalytic activity upon reuse in subsequent reactions.

Abstract: The present invention relates to a process of making a compound of formula (XII) or (XIIA): wherein R1, R2, R4 and X are as defined herein.

Abstract: Cyclic siloxanes are separated from short chain hydroxyl-terminated siloxanes by contact with steam at at least 650 hPa absolute. The cyclic siloxanes and other components which are separated by use of steam can be recovered by phase separation, and preferably used in other processes.

Abstract: The invention provides a nanoparticle, a process, a liquid crystal display panel and a display device for inducing liquid crystal alignment in an advanced super dimension switch mode. The nanoparticle is a silicon dioxide nanoparticle modified using the organic silicon compound of Formula (1), wherein R can be the same or different and is —H or —OC2H5; M contains rigid groups such as benzene ring, biphenyl, and/or cyclohexane. In the invention, the organic silicon compounds, which share similar structures with the nematic liquid crystal molecules in the ADS mode, are employed for modifying the silicon dioxide nanoparticles, facilitating the even dispersion of the modified silicon dioxide nanoparticles in liquid crystals; and the organic silicon compound contains rigid groups that can effectively induce the directional alignment of the liquid crystals, thereby helping improve the display effect of the ADS mode liquid crystal display panel.

Abstract: Solid silanol salts are produced by drying an alkali siliconate solution in a fixed bed dryer containing solids.

Abstract: The invention concerns a complex based on an organic silicon derivative. The invention is characterized in that said derivative is combined, by weak bonds, with one or several hyaluronic acid calibrated fragments of molecular weight comprised between 150 and 750 kDa, said derivative being of general formula (I): RxSi(OH)4-x, (I) wherein: R is a (C1-C4)alkyl, and x=1 or 2. The invention also concerns the use of such a complex in the prevention or the repair of cutaneous damages.

Abstract: Alkali metal silanolates are prepared by a process in which alcohol and water are removed from an alkali metal silanolate hydrolysis mixture in two steps, the second removal step occurring at a pressure lower than the first removal step.

Abstract: A polymerizable dimethicone copolyol macromer composition is synthesized by reacting itaconic anhydride with a dimethicone copolyol. During the reaction itaconic anhydride spontaneously isomerizes to citraconic anhydride which in turn is esterified by the dimethicone copolyol. The obtained macromers are copolymerizable with olefinically unsaturated monomers. Polymers containing the macromer repeating units are useful in a variety of applications including personal care, textile and industrial formulations to deliver softness, lubricity, fixative, water repellency, gloss, surface modification, and surfactant properties.

Abstract: A quaternary phosphonium salt, an epoxy resin composition including the quaternary phosphonium salt, and a semiconductor device encapsulated with the epoxy resin composition, the quaternary phosphonium salt being represented by Formula 1:

Abstract: A powder is hydrophilized by treating surfaces of particles with a hydrolyzable silyl group-containing acid anhydride compound, dispersing the surface treated particles in water, adding a base, and heating the dispersion for thereby hydrolyzing the acid anhydride moiety to open its ring and neutralizing the resultant carboxylic acid with the base. The hydrophilized powder is fully dispersible in aqueous media.

Abstract: Organosilanolate powders having a low cation to silicon ratio provide superior hydrophobing ability. The powders may be prepared on an industrial scale by hydrolysis of a silane with a basic salt solution, adding an inert organic solvent, and removing gaseous or alcoholic hydrolysis products by evaporation or distillation, precipitating the organosilanolate as a fine powder.

Abstract: The present invention relates to a process for preparing organic silane compounds having a ?-cyano ester group. In particular, the present invention relates to a process for preparing organic silane compounds having a ?-cyano ester group, in which ?-cyano ?-cyano containing compounds having an unsaturated group are hydrosilylated using a hydro alkoxy silane in the presence of a platinum-vinyl siloxane catalyst. The preparation process according to the present invention can stably initiate and progress the reaction, minimize the generation of by-products, and prepare organic silane compounds having a ?-cyano ester structure with high yield.

Abstract: The invention relates to allyl functionalized precipitated silica, rubber compositions containing such silica, particularly sulfur cured rubber compositions, and articles of manufacture having a component thereof such as, for example tires. The invention particularly relates to synthetic amorphous silica, particularly a precipitated silica, treated with an allyl silane, particularly to a precipitated silica containing allyl functional groups.

Abstract: A porous silica material in which silica particles are connected to one another three-dimensionally, wherein: the porous silica material includes a through hole including first pores smaller than a mean free path of an air, and second pores larger than the first pores; the porous silica material has a density of 100 kg/m3 or more and 300 kg/m3 or the silica particles.

Abstract: Organosilicon compounds bearing silicon-bonded organyloxy groups are prepared by mixing and reacting silanol-functional organosilicon compounds with organosilicon compounds containing at least two organyloxy groups in a mixer with an energy input of at least 0.2 kW/Kg of mixture. At this level of energy input, reaction to form the organyloxy-functional product is rapid, and can be achieved without supplying external heat, and also without catalysts, if desired.

Abstract: Organosilicone fine particles of size in the range of 0.1-20 ?m, each having 20 or more faces with indefinite shapes and a network of convex parts that surround these faces with indefinite shapes on its surface, and being spherical as a whole respond to highly advanced requirements of recent years including improvements in optical characteristics of resin compounds, usability and feeling of cosmetics and maintainability of fluidity of development toners. The invention further provides methods of producing such organosilicone fine particles.

Abstract: A method for inducing a hypervalent state within silicon-containing compounds by which they can be chemically attached to a surface or substrate and/or organized onto a surface of a substrate. The compounds when attached to or organized on the surface may have different physical and/or chemical properties compared to the starting materials.

Abstract: Disclosed are a perfluoropolyether-modified silane compound, an antifouling coating composition comprising the same, and a film comprising the same.

Abstract: A surface-hydrophobicized film is provided which is in contact with an insulating film, and has a higher hydrophobicity than the insulating film at the time of the contact, and which is in contact, on an opposite side of the surface-hydrophobicized film, with wiring, and contains at least one atom selected from the group consisting of sulfur atoms, phosphorus atoms and nitrogen atoms. Semiconductor devices with wiring layers having a low leakage current, a high EM resistance and a high TDDB resistance can be manufactured by using the film.

Abstract: A method for producing hydrogen (H2) includes the steps consisting in: a) reacting a compound (C) including one or more groups Si—H with a fluoride ions source, thereby forming hydrogen and a by-product (C1); and b) recovering the obtained hydrogen.

Abstract: There is provided a resist underlayer film forming composition for lithography for forming a resist underlayer film capable of being used as a hardmask. A resist underlayer film forming composition for lithography comprising a silane compound containing an anion group, wherein the silane compound containing an anion group is a hydrolyzable organosilane in which an organic group containing an anion group is bonded to a silicon atom and the anion group forms a salt structure, a hydrolysis product thereof, or a hydrolysis-condensation product thereof. The anion group may be a carboxylic acid anion, a phenolate anion, a sulfonic acid anion, or a phosphonic acid anion. The hydrolyzable organosilane may be a compound of Formula (1): R1aR2bSi(R3)4?(a+b) (1).

Abstract: Disclosed herein are a variety of applications for an antimicrobial agent. The antimicrobial agent comprises a silanol containing molecule, the silanol containing molecule comprising silanols (R1R2R3SiOH), siloxanediols HO(R1R2SiO)nH, siloxanols HO(R1R2SiO)nSiR1R2R3 or combinations thereof, where R1, R2 and R3 are selected from alkyl or fluoroalkyl moieties having 1 to 4 carbon atoms, vinyl or aryl groups and n is less than about 6.

Abstract: A silane containing a bulky hydrocarbon group or groups R therein and having the formula (III) R3?(x+y)(R1)x(R2)ySi(OR3) can be produced by reacting a silane of the formula (I) (R1)x(R2)ySiCl3?(x+y)(OR3) with a Grignard reagent of the formula (II) RMgX Further, a tri-organo-chlorosilane of the formula (XIIa) (R1)(R2)(R3)SiCl can be produced by reacting a tri-organo-silane of the formula (XIa) (R1)(R2)(R3)SiZ1 with hydrochloric acid. Furthermore, a tri-organo-monoalkoxysilane of the formula (XXIII) R3?(x+y)(R1)x(R2)ySi(OR3) can be produced when a silane of the formula (XXI) (R1)x(R2)ySiCl4?(x+y) is reacted with a Grignard reagent of the formula (XXII) RMgX with addition of and reaction with an alcohol or an epoxy compound during the reaction.

Abstract: Provided is an organosilane compound expressed by any one of the following general formulae (1) to (7): (wherein: Ar represents a phenylene group or the like; R1 represents a hydrogen atom or the like; R2 to R8 each represent a methyl group or the like; n represents an integer in a range from 0 to 2; m represents an integer of 1 or 2; L represents a single bond or the like; X represents a hydrogen atom or the like; and Y represents a hydrogen atom or the like).

Abstract: Process for preparing alkylhalosilanes are provided. The process involve reacting an alkyl halide with a solid body formed of silicon and a catalytic system.

Abstract: The invention relates to allyl functionalized precipitated silica, rubber compositions containing such silica, particularly sulfur cured rubber compositions, and articles of manufacture having a component thereof such as, for example tires. The invention particularly relates to synthetic amorphous silica, particularly a precipitated silica, treated with an allyl silane, particularly to a precipitated silica containing allyl functional groups.

Abstract: A solid material is subjected to surface treatment by chemically bonding onto a surface of the solid material a stabilized monofunctional silanol represented by R1R2R3SiOH. R1, R2 and R3 may be the same or different, and each represent a substituent group independently selected from a substituted or unsubstituted, monovalent hydrocarbon group having from 1 to 40 carbon atoms or a substituted or unsubstituted, monovalent heterocyclic group having from 1 to 100 carbon atoms. The monofunctional silanol has a dehydrative self-condensation rate lower than triethylsilanol.

Abstract: Organosilicone fine particles of size in the range of 0.1-20 ?m, each having 20 or more faces with indefinite shapes and a network of convex parts that surround these faces with indefinite shapes on its surface, and being spherical as a whole respond to highly advanced requirements of recent years including improvements in optical characteristics of resin compounds, usability and feeling of cosmetics and maintainability of fluidity of development toners. The invention further provides methods of producing such organosilicone fine particles.

Abstract: The invention relates to allyl functionalized precipitated silica, rubber compositions containing such silica, particularly sulfur cured rubber compositions, and articles of manufacture having a component thereof such as, for example tires. The invention particularly relates to synthetic amorphous silica, particularly a precipitated silica, treated with an allyl silane, particularly to a precipitated silica containing allyl functional groups.

Abstract: A high-k silicate atomic layer deposition method is disclosed. To produce a hafnium silicate layer, a substrate may be exposed to a pulse of a hafnium precursor, a pulse of an oxidizer, a pulse of a silicon precursor, and a pulse of another oxidizer. A catalyst may additionally be co-flowed with one or more reactants into the chamber through a separate inlet. Alternatively, the catalyst may be flowed to the chamber before the reactant is introduced in a soaking procedure. By either co-flowing the catalyst through separate inlets or by performing a catalyst soak, hafnium silicate formation may proceed at a fast rate and/or at a low temperature.

Abstract: A silane resin that can be structured photochemically and/or thermally is obtained by at least partial condensation of a mixture of a) at least one silane compound RaR2bSiX4-a-b wherein R is a group polymerizable photochemically and/or thermally via an organic group by radical or cationic polymerization; R2 is a straight-chain, branched, or cyclic C1-C12 alkyl group; X is identical or different and is a leaving group; a is 1 or 2; b is 0 or 1; a+b is not more than 2; and b) at least one silanediol R12Si(OH)2 wherein R1 is identical or different and is a straight-chain, branched, or cyclic C1-C12 alkyl group or a group polymerizable photochemically and/or thermally via an organic group by radical or cationic polymerization, provided the group does not contain aryl. The silane resins have dielectric properties useful in extremely high frequency applications.

Abstract: The invention concerns the preparation of halogenated monoorganoxysilanes, of formula (I), said compounds being useful as synthesis intermediate in organic chemistry.

Abstract: Hydroxyl-terminal organopolysiloxanes having diorganosiloxy groups and Si—H groups are prepared by reacting the appropriate chlorosilanes with less than 0.5 mol water per mol of hydrolyzable chlorine in a first step and recovering gaseous HCl, and more fully hydrolyzing with additional water in a second step.

Abstract: A surface-hydrophobicized film is provided which is in contact with an insulating film, and has a higher hydrophobicity than the insulating film at the time of the contact, and which is in contact, on an opposite side of the surface-hydrophobicized film, with wiring, and contains at least one atom selected from the group consisting of sulfur atoms, phosphorus atoms and nitrogen atoms. Semiconductor devices with wiring layers having a low leakage current, a high EM resistance and a high TDDB resistance can be manufactured by using the film.

Abstract: An organically modified layered silicate including a laminate composed of 3 to 60 layers of silicate that have been treated with a surface treatment agent in a dispersed state, wherein the laminate has a thickness of 10 nm to 120 nm, and an interlayer distance of the layers of the surface-treated silicate constituting the laminate is 1.5 nm to 4.0 nm. A preferred aspect of the present invention is an organically modified layered silicate obtained by dispersing layered silicate in a solvent to prepare a dispersion liquid, adding a surface treatment agent into the dispersion liquid until the pH of the dispersion liquid reaches 5 to 7 to obtain an organically modified layered silicate dispersion liquid, filtering the layered silicate dispersion liquid to obtain an organically modified layered silicate, and washing the organically modified layered silicate.

Abstract: Disclosed are a protected alcohol or derivative thereof, a surface-modified organic-inorganic hybrid glass, and preparation methods thereof. More specifically, disclosed are a protected alcohol or derivative thereof and a surface-modified organic-inorganic hybrid glass, which are prepared by allowing a silane compound, having vinyl or a vinyl derivative, to react with an alcohol or derivative thereof or with an organic-inorganic hybrid glass, in the presence of an acid catalyst, a transition metal catalyst and an organic solvent, so as to introduce an organic group thereto even at room temperature, as well as preparation methods thereof. The disclosed invention allows a functional group to be effectively introduced into alcohol or a derivative thereof or into an organic-inorganic hybrid glass, not only high temperatures but also room temperature, and thus is highly effective in introducing compounds having a thermally sensitive functional group, for example, natural compounds or proteins.

Abstract: Provided is an organosilane compound expressed by the following general formula (1): where: Ar represents a divalent aromatic organic group, such as a phenylene group; R1 represents a hydrogen atom or the like; R2 to R6, which may be the same or different from each other, each represent a hydrogen atom or the like; and X represents a reactive substituent, such as a halogen atom.

Abstract: The current invention provides compositions, which are useful as stationary phases for a variety of chromatographic applications, such as high performance liquid chromatography (HPLC). The compositions include a substrate (e.g., silica gel), covalently bound to a compound, which includes both a hydrophobic moiety and a hydrophilic moiety, which is preferably a 1,2-diol moiety. The hydrophobic moiety is sufficiently hydrophobic for the compositions to exhibit reversed phase characteristics and typically incorporates at least 5 carbon atoms in sequence. Based on having both hydrophilic and hydrophobic functionalities, the new stationary phases exhibit unique chromatographic properties. For example, these media can be used in either hydrophilic (HILIC) mode, in which the mobile phase includes a high percentage of an organic solvent, or in reversed phase mode, in which the mobile phase contains a higher percentage of an aqueous solvent.

Abstract: The present invention is directed to a class of polyesters that are lightly crosslinked polyesters made by reacting alkoxyglyceryl units (linked by the reaction of their hydroxyl groups) to the carboxyl group of dimer acid. As will become clear, lightly crosslinked as used herein relates to reactions in which there is an excess of hydroxyl groups on a molar basis to carboxylic groups on the dimer acid. The polymers and a contribute softness, lubricity and antistatic properties when applied to hair, skin, textile fiber and paper.

Abstract: The object of the present invention is to provide a production method of water-soluble silane derivatives, the separation and purification of which are easy, and the reaction for which can be conducted under an industrially practicable temperature condition (under the temperature condition of 90° C. or lower) and to provide compounds with which solid gelatinous external preparations, with excellent stability against a temperature change and against an effect of additives and with excellent usability, can be prepared. The water-soluble silane derivative could be formed by the substitution reaction of a metal alkoxide with a polyhydric alcohol under the presence of a solid catalyst. According to this production method, the separation of the catalyst from the product is very easy, and the reaction can be carried out under the temperature condition of 90° C. or lower.

Abstract: Disclosed herein are a surface modifier for metal oxide particles and a method of modifying the surface of metal oxide particles using the same. The surface modifier consists either of an alkylsilanepolyol containing a cyclic alkyl group capable of imparting steric hindrance or of a mixture of said alkylsilanepolyol with alkylalkoxysilane, and the method of modifying the surface of metal oxide particles comprises coating the surface modifier on the hydrophilic surface of the metal oxide particles through chemical bonding so as to impart hydrophobicity or amphiphilicity (hydrophilicity and hydrophobicity) and reactivity to the surface of the metal oxide particles.

Abstract: The present invention provides an organic-inorganic composite material containing a metal oxide, and a functional organic material located on the metal oxide, wherein the functional organic material and the metal oxide are bound via a silanol bond. An aspect that the silanol bond is formed by reacting a silane coupling agent with the metal oxide, and an aspect that the silane coupling agent has a reactive terminal are preferred. The present invention also provides a display electrode for electrochromic display device and electrode for photoelectric conversion device using the organic-inorganic composite material, an electrochromic display device using the display electrode and a photoelectric conversion device using the electrode.

Abstract: Provided is an organosilane compound expressed by the following general formula (1): where: Ar represents a divalent aromatic organic group, such as a phenylene group; R1 represents a hydrogen atom or the like; R2 to R6, which may be the same or different from each other, each represent a hydrogen atom or the like; and X represents a reactive substituent, such as a halogen atom.

Abstract: The present invention relates to a fiber-treating agent having a pH value of 2 to 5 at 20° C. and containing an alkoxysilane (a), an organic acid (b) and water (c), wherein 50% or more by weight of the component (a) is an alkoxysilane represented by the following formula (1): R1pSi (OR2)4-p (1) wherein R1 represents a C1 to C6 alkyl group, a phenyl group, or a C2 to C6 alkenyl group, R2 represents a C1 to C6 alkyl group, and p is an integer of 1 to 3, and the number of moles of the component (c) is 3 times or more as large as that of the component (a), as well as a method of treating fibers with the fiber-treating agent, and fibers treated by this method.

Abstract: A silane resin that can be structured photochemically and/or thermally is obtained by at least partial condensation of a mixture of a) at least one silane compound RaR2bSiX4-a-b wherein R is a group polymerizable photochemically and/or thermally via an organic group by radical or cationic polymerization; R2 is a straight-chain, branched, or cyclic C1-C12 alkyl group; X is identical or different and is a leaving group; a is 1 or 2; b is 0 or 1; a+b is not more than 2; and b) at least one silanediol R12Si(OH)2 wherein R1 is identical or different and is a straight-chain, branched, or cyclic C1-C12 alkyl group or a group polymerizable photochemically and/or thermally via an organic group by radical or cationic polymerization, provided the group does not contain aryl. The silane resins have dielectric properties useful in extremely high frequency applications.

Abstract: The present invention relates to a novel organic silane compound, and more particularly, to a novel organic silane compound, useful in various applications, for the purpose of improving the affinity of an organic resin to an inorganic filler or improving the adhesion of a coating layer comprising matrix resin to a substrate. It is particularly useful for improving the adhesion of a polarizing plate adhesive for a liquid crystal display to a glass substrate, with little change over time even under hot and humid conditions.

Abstract: Novel perfluoropolyether-modified silanes are improved in water/oil repellency, parting properties, chemical resistance, lubricity, durability, antifouling properties and fingerprint wipe-off. An antireflection filter is also provided comprising an inorganic antireflection layer including a surface layer in the form of a silicon dioxide-base inorganic layer, and an antifouling layer, preferably of the perfluoropolyether-modified silane, on the surface layer. The antifouling layer has a sliding angle of oleic acid of up to 5°, a change of the sliding angle after solvent washing relative to the sliding angle before solvent washing being up to 10%.