Abstract: A pre-treatment composition for use before etching SiGe includes an acid, an alcohol, and a silane compound having a chemical formula R—Si(R1)n(OR2)3-n in which R is (C3-C20)alkyl, (C6-C12)aryl, (C6-C12)aryl(C3-C20)alkyl, or (C3-C20)alkyl(C6-C12)aryl, R1 is hydrogen, hydroxyl, halogen, (C1-C20)alkyl, halo(C1-C20)alkyl, (C6-C12)aryl, (C6-C12)aryl(C1-C20)alkyl, or (C1-C20)alkyl(C6-C12)aryl, R2 is hydrogen, (C1-C20)alkyl, halo(C1-C20)alkyl, (C6-C12)aryl, (C6-C12)aryl(C1-C20)alkyl, or (C1-C20)alkyl(C6-C12)aryl, n is an integer of 0 to 2, and the alkyl, aryl, arylalkyl, or alkylaryl of R, and the alkyl, haloalkyl, aryl, arylalkyl, or alkylaryl of R1 may be further substituted with at least one substituent selected from halogen, hydroxyl, —N(R11)(R12), and —S(R13), where each of the R11, the R12 and the R13 is independently hydrogen or (C1-C20)alkyl.

Abstract: Multistep continuous and semicontinuous hydrolysis and condensation of chlorosilanes with alcohol containing minimal water in a column in a first step to form a silicone resin intermediate, followed by further condensation provides silicone resins in reproducible fashion substantially free of hydrogen chloride, without reactor gelatin.

Abstract: Novel materials for chromatographic separations, processes for their preparation, and separation devices containing the chromatographic materials. In particular, hybrid inorganic/organic monolith materials comprising a polymerized scaffolding nanocomposite (PSN), wherein the nanocomposite contains a scaffolding functionality capable of chemically interacting with a surface of a second material are described. The hybrid inorganic/organic materials have enhanced wall adhesion and increased resistance to shrinkage as compared to prior art monolith materials. The improved adhesion of the monoliths enable the preparation of capillary columns with an internal diameter (I.D.) ?50 ?m.

Abstract: Organosilicon compounds bearing SiOC groups and having low residual silicon-bonded chlorine are prepared continuously by reacting a chlorosilane with alcohol and optionally water by contacting a gaseous phase containing alcohol with a liquid phase containing silane, organosilicon intermediates, organosilicon compounds containing SiOC groups and optional inert solvent in a reaction column in which the gas phase passes through the liquid phase in bubble form, or is provided with a vaporizer operating by a crossflow principle.

Abstract: The disclosure relates to methods for producing amide bonds and reagents related thereto. In some embodiments, the disclosure relates to methods of producing an amide comprising mixing an O-silylated thionoester and an amine under conditions such that an amide is formed. In another embodiment, the disclosure relates to mixing a thiolacid, a silylating agent, and an amine under conditions such that an amide is formed.

Abstract: Provided are surface-treated fine particles which, when added to coatings for the production of films, exhibit excellent reactivity with respect to organosilicon compounds and resins that are matrix components of the coating films, and thereby allow the films to exhibit excellent performance. Oligomer-modified fine particles include inorganic oxide fine particles having a surface modified with an oligomer, the oligomer being derived from a metal alkoxide represented by Formula (1): RnM1(OR?)z-n (1) wherein M1: one or more elements selected from Si, Ti, Zr and Al; R and R?: one or more groups selected from alkyl groups of 1 to 8 carbon atoms, aryl groups and vinyl groups; n: an integer of from 0 to (z?2); and z: the valence of M1. The oligomer has a polymerization degree of 3 or more. The oligomer has a weight average molecular weight in the range of 1000 to 10000.

Abstract: A method for preparation and polymerization of siloxane monomers of Formula I is presented. The synthesis includes the selective reaction between silanol containing unit and alkoxy containing units in the presence of basic catalyst. The siloxane monomers of the invention can be used for preparation of siloxane polymers with good flexibility and cracking threshold, and functional sites, useful for applications requiring low metal content in semiconductor industry.

Abstract: Composite particles and a method of forming composite particles are described. The composite particles comprise at least one inorganic nanoparticle covalently bound to at least one inorganic microparticle with a linking compound. Lubricant compositions and sprayable dispersion compositions comprising composite particles are also described.

Abstract: Silicic acid esters to which fragrances are bound, preferably as 1-aza-3,7-dioxabicyclo[3,3,0]octane compounds or as monocyclic oxazolidines and that are suitable for adding fragrance to detergents and cleaning agents because they release the bound fragrances in hydrolysis.

Abstract: Provided is a method for preparing hydrophobic monolithic silica aerogel, comprising dipping monolithic wet silica gel obtained by using an alkoxide precursor into an alkylsilane solution as a dipping solution to perform hydrophobitization of the surface and inner part of the monolithic wet silica gel by a dipping process. The method is economical by virtue of the use of a small amount of alkylsilane compound and imparts hydrophobic property to monolithic silica aerogel simply in a cost efficient and time efficient manner. In addition, the method reduces shrinkage of hydrophobic monolithic silica aerogel, enables production of hydrophobic monolithic silica aerogel in a translucent form, and allows the hydrophobic monolithic silica aerogel to maintain low heat conductivity similar to the heat conductivity of hydrophilic silica aerogel. The hydrophobic monolithic silica aerogel may be used directly as a heat insulating panel by virtue of excellent hydrophobic property and heat insulating property.

Abstract: The present invention relates to a fluorescent dye-incorporated silica material. A fluorescent dye is covalently bonded to a silica matrix. The invention also provides for a method for verifying the authenticity of a product, wherein the fluorescent silica material is present in or on a product, and the material is tested for fluorescence or structure.

Abstract: A method of making a powder coating composition includes obtaining functionalized particles by reacting inorganic particles with alkoxysilanes having the general structural formula (I) R1Si(OR2)3, silane oligomers having the general structural formula (II) (R1)(OR2)2Si-O-[-Si(R1)(OR2)-O-]m-Si(R1)(OR2)2 or mixtures thereof.

Abstract: A modified polysiloxane compound is represented by following Formula (1), in which R1 to R9 represent hydrocarbon groups selected from linear alkyl groups having 1 to 20 carbon atoms, branched chain alkyl groups having 3 to 6 carbon atoms, and cyclic alkyl groups having 3 to 6 carbon atoms; p and q represent average numbers of siloxane units indicated in parentheses, where p is a number of 1 or more and q is a number of 2 or more; and “A” represents a group selected from a group represented by following Formula (2), a group represented by following Formula (3), and hydrogen atom. The modified polysiloxane compound has at least a siloxane unit wherein “A” is the group represented by following Formula (2), and a siloxane unit wherein “A” is the group represented by following Formula (3).

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: An organic silicon compound includes a specific alkoxyorganopolysiloxane portion, a portion including an alkoxysilane group, the portion being bonded to the polysiloxane portion, and a portion including a resin-compatible chain or a reactive functional group, the portion being bonded to the polysiloxane portion.

Abstract: Organosiloxanes containing ester derivatives of ascorbic acid are disclosed having the formula (RiSiO)11Ro-Ii)Si—X-A wherein R is an alkyl group containing 1 to 6 carbon atoms, n is 1 to 3 inclusive, X is a divalent organic linking group, A is an ester derivative of ascorbic acid. A method of making an organosiloxane containing ester derivatives of ascorbic acid and the products prepared according to the method arc also taught. The compounds and compositions of the present disclosure are useful to affect tissue lightening when applied topically to keratinaceous tissue.

Abstract: Siloxy-substituted silane-containing polymerizable silicones are prepared in high purity by metering a substituted alkoxysilane into a mixture of disiloxane, acetic acid, and acid catalyst, adding acetyl chloride, separating an acidic phase from a product phase, and adding hexamethyldisilazane to the product phase, which is then distilled.

Abstract: An object is to provide a material capable of removing A? from a body fluid efficiently and use of the material, which are developed for the purpose of establishing a therapeutic or preventive method for Alzheimer's disease. Provided is an amyloid ? protein remover, containing a carrier made of any one material selected from the group consisting of cellulose, silica, polyvinyl alcohol, and activated carbon, wherein the carrier does not have an alkyl chain on the surface thereof or has an alkyl chain having 1 to 18 carbon atoms on the surface thereof.

Abstract: Composite particles and a method of forming composite particles are described. The composite particles comprise at least one inorganic nanoparticle covalently bound to at least one inorganic microparticle with a linking compound. Lubricant compositions and sprayable dispersion compositions comprising composite particles are also described.

Abstract: The present invention relates to an organosilicon porous zeolite, preparation of the same, and use of the same. The organosilicon porous zeolite of the invention has the following composition on molar basis: (1/n)Al2O3:SiO(2-m/2):mR:xM, wherein n=5 to 1000, m=0.001 to 1, x=0.005 to 2, R is at least one selected from the group consisting of alkyl, alkenyl and phenyl and connected to a silicon atom in the framework of the zeolite, and M is an organic amine templating agent, wherein a solid Si29NMR spectrum of the zeolite has at least one Si29 nuclear magnetic resonance peak in the range of from ?80 to +50 ppm, and wherein a X-ray diffraction pattern of the zeolite exhibits diffraction peaks corresponding to d-spacing of 12.4±0.2, 11.0±0.3, 9.3±0.3, 6.8±0.2, 6.1±0.2, 5.5±0.2, 4.4±0.2, 4.0±0.2 and 3.4±0.1 ?. The porous zeolite can be used as an adsorbent or as a component of a catalyst for the conversion of an organic compound.

Abstract: A method of manufacturing an analytical sample by a secondary ion mass spectrometry method is provided, which comprises a step of forming a separation layer over a substrate, a step of forming one of a thin film and a thin-film stack body to be analyzed over the separation layer, a step of forming an opening portion in one of the thin film and the thin-film stack body, a step of attaching a supporting body to one of a surface of the thin film and a surface of a top layer of the thin-film stack body, and a step of separating one of the thin film and the thin-film stack body from the substrate.

Abstract: An organic silicon compound includes a specific alkoxyorganopolysiloxane portion, a portion including an alkoxysilane group, the portion being bonded to the polysiloxane portion, and a portion including a resin-compatible chain or a reactive functional group, the portion being bonded to the polysiloxane portion.

Abstract: A composition of matter is disclosed that comprises at least one silane coupling agent for coupling an elastomer and a filler wherein said silane comprises at least one hydrolysable group that, upon compounding said silane with said elastomer and filler, is released to yield a compound that improves downstream processability of the compounded composition or the properties of the final rubber product or both.

Abstract: Surface-modified silicon dioxide particles or silica sol preparable by reacting aqueous silica sol with at least one first modifier comprising at least one alkoxysilane and with at least one second modifier selected from the group consisting of halosilane, siloxane, and mixtures thereof, with water being removed before the reaction with the first or second modifier.

Abstract: Novel ester derivatives of ascorbic acid and 2-keto-acid saccharides are provided wherein the ester is introduced by ester bond formation between at least one hydroxy-functionality on the ascorbic acid or 2-keto-acid saccharide and a carboxy-functional organosiloxane, or between a 2-keto-gulonic acid and a hydroxy-functional organosiloxane, as well as methods for their synthesis. Treatment, cosmetic, and personal care formulations comprising the novel esters are also provided, including controlled release forms thereof.

Abstract: A method of manufacturing an analytical sample by a secondary ion mass spectrometry method is provided, which comprises a step of forming a separation layer over a substrate, a step of forming one of a thin film and a thin-film stack body to be analyzed over the separation layer, a step of forming an opening portion in one of the thin film and the thin-film stack body, a step of attaching a supporting body to one of a surface of the thin film and a surface of a top layer of the thin-film stack body, and a step of separating one of the thin film and the thin-film stack body from the substrate.

Abstract: A method of manufacturing an analytical sample by a secondary ion mass spectrometry method is provided, which comprises a step of forming a separation layer over a substrate, a step of forming one of a thin film and a thin-film stack body to be analyzed over the separation layer, a step of forming an opening portion in one of the thin film and the thin-film stack body, a step of attaching a supporting body to one of a surface of the thin film and a surface of a top layer of the thin-film stack body, and a step of separating one of the thin film and the thin-film stack body from the substrate.

Abstract: Mono-hydroxyl-functional organopolysiloxanes are prepared with minimal byproducts and increased storage stability by reaction of cyclotrisiloxanes with sil(ox)anols containing less than 1 weight percent water in the presence of heterogenous alkali metal or alkaline earth metal oxide or carbonate catalysts.

Abstract: Disclosed is a method for lowering the residual halide content in alkoxysilanes. The method comprises contacting the alkoxysilane having residual halide content with activated carbon followed by separation of the alkoxysilane. The resultant materials are useful as intermediates for the preparation of other chemical compounds and for use in electronics applications.

Abstract: A multi-functional cyclic siloxane compound (A), a siloxane-based (co)polymer prepared from the compound (A), or compound (A) and at least one of a Si monomer having organic bridges (B), an acyclic alkoxy silane monomer (C), and a linear siloxane monomer (D); and a process for preparing a dielectric film using the polymer. The siloxane compound of the present invention is highly reactive, so the polymer prepared from the compound is excellent in mechanical properties, thermal stability and crack resistance, and has a low dielectric constant resulting from compatibility with conventional pore-generating materials. Furthermore, a low content of carbon and high content of SiO2 enhance its applicability to the process of producing a semiconductor, wherein it finds great use as a dielectric film.

Abstract: A method for making siloxy-bridged ligand precursors and metallocene complexes is disclosed. Indanone enolates react with cyclopentadienylsilyl compounds to produce ligand precursors, which are reacted with a Group 3-10 transition metal source to generate metallocene complexes. The method provides simple, regioselective access to particular siloxy-bridged metallocenes starting from easily elaborated indanones.

Abstract: A composition of matter is disclosed that comprises at least one silane coupling agent for coupling an elastomer and a filler wherein said silane comprises at least one hydrolysable group that, upon compounding said silane with said elastomer and filler, is released to yield a compound that improves downstream processability of the compounded composition or the properties of the final rubber product or both.

Abstract: An insulating film material formed by chemical vapor deposition, which contains an organic silane compound having such a structure that at least one secondary hydrocarbon group and/or tertiary hydrocarbon group is directly bonded to a silicon atom.

Abstract: Mono-hydroxyl-functional organopolysiloxanes are prepared with minimal byproducts and increased storage stability by reaction of cyclotrisiloxanes with sil(ox)anols containing less than 1 weight percent water in the presence of heterogenous alkali metal or alkaline earth metal oxide or carbonate catalysts.

Abstract: A compound of the formula (1): wherein PCA represents a polycycloaliphatic hydrocarbon group, ALK represents a divalent aliphatic hydrocarbon group, m is 1 or 2, n is 0 or 1, and R1 and R2 represent independently each other an alkyl group, an alkenyl group, an alkynyl group, an alkoxy group, an aryl group or an aryloxy group.

Abstract: Polymerizable silicon-containing compounds of formula (1) wherein R1 is hydrogen, halogen or monovalent organic group are polymerized into polymers.

Abstract: A composition of matter is disclosed that comprises at least one silane coupling agent for coupling an elastomer and a filler wherein said silane comprises at least one hydrolyzable group that, upon compounding said silane with said elastomer and filler, is released to yield a compound that improves downstream processability of the compounded composition or the properties of the final rubber product or both.

Abstract: This invention pertains to a siloxane resin composition comprising R1SiO3/2 siloxane units, R2SiO3/2 siloxane units and (R3O)bSiO(4-b)/2 siloxane units wherein R1 is an alkyl group having 1 to 5 carbons, hydrogen, or mixtures thereof; R2 is a monovalent organic group having 6 to 30 carbons; R3 is a branched alkyl group having 3 to 30 carbons, b is from 1 to 3; and the siloxane resin contains from 2.5 to 85 mole percent R1SiO3/2 units, 2.5 to 50 mole percent R2SiO3/2 units and 5 to 95 mole percent (R3O)bSiO(4-b)/2 units. The siloxane resin is useful to make insoluble porous resin and insoluble porous coatings. Heating a substrate coated with the siloxane resin at a sufficient temperature effects removal of the R2 and R3O groups to form an insoluble insoluble porous coating having a porosity of 1 to 60 volume percent and a dielectric constant in the range of 1.5 to 3.0.

Abstract: A composition of matter is disclosed that comprises at least one silane coupling agent for coupling an elastomer and a filler wherein said silane comprises at least one hydrolysable group that, upon compounding said silane with said elastomer and filler, is released to yield a compound that improves downstream processability of the compounded composition or the properties of the final rubber product or both.

Abstract: This invention has the objective of providing polymers having high oxygen permeability and high hydrophobicity and ophthalmic lenses comprising said polymers, and, as a result, provides novel monomers represented by general formula (a) below: 1

Abstract: Siloxane oligomers of the general formula I or II 1

Abstract: A method of preparing a surface modifier for nanoparticles, and a dispersion of inorganic oxide nanoparticles are provided. The surface modifier is formed by hydrolyzing 1 part by weight of an alkoxysilane compound with 1˜9 parts by weight of an alcohol/water solution, and the alkoxysilane compound is hydrolyzed to form a silanol. The weight ratio of alcohol to water is 60:40˜95:5. The alcohol/water solution can control the degree of forming of silanol, and thus prevents self-condensation of the silanol. The dispersion is formed by dispersing inorganic oxide nanoparticles in the aforesaid surface modifier, and can be used in the manufacture of inorganic-organic polymeric functional materials, especially anti-UV polyester products.

Abstract: A haloalkylalkoxysilane is prepared by reacting an olefinic halide with an alkoxysilane in which the alkoxy group(s) contain at least two carbon atoms in the presence of a catalytically effective amount of ruthenium-containing catalyst. The process can be used to prepare, inter alia, chloropropyltriethoxysilane which is a key intermediate in the manufacture of silane coupling agents.

Abstract: Certain compounds within the general formula (I) 1

Abstract: An unpurified silicone oil is treated with fibrous activated carbon, yielding a silicone oil of high purity, which will find use in the electric and electronic industry and as cosmetics.

Abstract: The invention relates to polysiloxanes from cross-linkable monomers based on cyclosiloxanes and their use in polymerizable compositions. The invention relates in particular to polysiloxanes from sol-gel-condensable cyclosiloxane(meth)acrylates as well as resinous compositions, obtainable by hydrolytic condensation of one or more hydrolyzable and condensable cyclosiloxane(meth)acrylates.

Abstract: The present invention relates to a silicon-containing liquid composition comprising (A) 100 parts by weight of an organosilicate, calculated as SiO2, (B) 0.1 to 10 parts by weight of a catalyst, (C) 100 to 50,000 parts by weight of water, and (D) 100 to 50,000 parts by weight of a solvent, a weight ratio of the water (C) to the solvent (D) being in the range of 30:70 to 80:20.

Abstract: A monomer represented by the following general formula (m-1): wherein R is a group having an alicyclic skeleton, R2s may be the same or different and are individually hydrogen atom, halogen atom or monovalent organic group, X1 is a bivalent organic group containing a heteroatom, j is an integer of 0 to 3, and R1 is a group selected from the following groups, a monovalent organic group having Si (R1-1), and —(X2)k—R4—(X3)m—C(R6)3  (R1-2), wherein X2 and X3 are a bivalent organic group containing a heteroatom, k and m are an integer of 0 to 3, R4 is a bivalent alkyl group, R6s may be the same or different and are individually hydrogen atom, halogen atom or monovalent organic group.

Abstract: The present invention provides a production method of a 5-phthalancarbonitrile compound, which comprises the use of a novel compound of the formula [I] 1

Abstract: The invention pertains to a polydiorganosiloxane dispersibility improver for fluororesin powders that contains in the pendant position (A) an organic group selected from the set consisting of polyoxyalkylene-functional organic groups, alkyl groups having at least 12 carbon atoms, and polydialkylsiloxane chain-containing organic groups, and contains in the pendant position or the molecular chain terminal position, (B) a perfluoroalkyl-functional organic group with the general formula F(CF2)a—R1— in which R1 is alkylene or alkyleneoxyalkylene and a is an integer with a value of at least 3. The polydiorganosiloxane dispersibility improver for fluororesin powders has the ability to induce the uniform dispersion of fluororesin powders in organic resins. As a consequence the organic resin compositions have the ability to form uniform and transparent coatings that have an excellent surface lubricity.