Abstract: The present disclosure provides cyclic silyl ethers of the formula: and salts thereof. The cyclic silyl ethers may be useful as monomers for preparing polymers. Also described herein are polymers prepared by polymerizing a cyclic silyl ether and optionally one or more additional monomers. The polymers may be degradable (e.g., biodegradable). One or more O—Si bonds of the polymers may be the degradation sites. Also described herein are compositions and kits including the cyclic silyl ethers or polymers; methods of preparing the polymers; and methods of using the polymers, compositions, and kits.

Abstract: A method and composition for producing a low k dielectric film via plasma enhanced chemical vapor deposition comprise the steps of: providing a substrate within a reaction chamber; introducing into the reaction chamber gaseous reagents including at least one structure-forming precursors comprising a silacycloalkane compound, an oxygen source, and optionally a porogen; applying energy to the gaseous reagents in the reaction chamber to induce reaction of the gaseous reagents to deposit a low k dielectric film having dielectric constant of 3.2 or less. In certain embodiments, the structure-forming precursor further comprises a hardening additive.

Abstract: The present disclosure provides cyclic silyl ethers of the formula: and salts thereof. The cyclic silyl ethers may be useful as monomers for preparing polymers. Also described herein are polymers prepared by polymerizing a cyclic silyl ether and optionally one or more additional monomers. The polymers may be degradable (e.g., biodegradable). One or more O—Si bonds of the polymers may be the degradation sites. Also described herein are compositions and kits including the cyclic silyl ethers or polymers; methods of preparing the polymers; and methods of using the polymers, compositions, and kits.

Abstract: Compositions and methods using silicon-based cross-coupling agents in the formation of carbon-carbon and carbon-nitrogen bonds are described.

Abstract: Oxasilacycles are prepared by the intramolecular condensation of silanes bearing Si-bonded hydrogen and ethylenically unsaturated radicals in the presence of a triorganoborane, aminoborane complex, or phosphine-borane complex as a hydrosilylation catalyst. Spirocyclic oxasilacycles, and alkoxy-substituted oxaspirocycles with quaternary substitution of a C atom adjacent to oxygen may be prepared.

Abstract: Organic electrolyte solutions and lithium batteries employing the same are provided. In one embodiment, an organic electrolyte solution includes a silane compound. The inventive organic electrolyte solutions prevent crack formation caused by volumetric changes in the anode active material during charging/discharging of the battery. This improves charge/discharge characteristics, resulting in improved battery stability, reliability, and charge/discharge efficiency, which is a dramatic improvement over conventional organic electrolyte solutions, which have higher irreversible capacities due to the decomposition of polar solvents.

Abstract: A method of producing alkoxysilanes and precipitated silicas from biogenic silicas is provided. In a first step, biogenically concentrated silica is mixed with a liquid polyol to obtain a mixture, and then the mixture is heated. In a second step, a base is added to obtain a reaction mixture. In a third step, the reaction mixture is filtered to remove the carbon enriched RHA or other undissolved biogenic silica and recover the solution of alkoxysilane and alcoholate. In a fourth step, alkoxysilane is purified by filtering, distilling, precipitating or extracting from the original reaction solution to precipitate various forms of silica. In a final step, residual base present in alkoxysilane is neutralized to eliminate the residual alkali metal base.

Abstract: The invention relates to metal complexes of general formula (I) and to a method for the production thereof, in which M, R1, R2, R3, X and Y in addition to Ra, Rb, Rc, Rd, Re, Rf, Rg, Rh can have the meanings defined in the claims. Said metal complexes form air-stable compounds and are suitable as pre-catalysts in the olefin metathesis.

Abstract: A method of producing alkoxysilanes and precipitated silicas from biogenic silicas is provided. In a first step, biogenically concentrated silica is mixed with a liquid polyol to obtain a mixture, and then the mixture is heated. In a second step, a base is added to obtain a reaction mixture. In a third step, the reaction mixture is filtered to remove the carbon enriched RHA or other undissolved biogenic silica and recover the solution of alkoxysilane and alcoholate. In a fourth step, alkoxysilane is purified by filtering, distilling, precipitating or extracting from the original reaction solution to precipitate various forms of silica. In a final step, residual base present in alkoxysilane is neutralized to eliminate the residual alkali metal base.

Abstract: The invention relates to spiro compounds of the formula (I) and to monolithic materials prepared therefrom by twin ring-opening polymerization which consist of a porous metal oxide or semimetal oxide framework and are suitable for use as catalyst supports or as supports for active compounds.

Abstract: The present invention relates to compounds, intermediates, compositions, and methods of making compounds and intermediates related to the compounds of Formula (I) and/or Formula (II) and/or Formula (III) and/or Formula (IV) and/or Formula (VI) and/or Formula (VII) as disclosed herein wherein the various substituents are as defined in the written description.

Abstract: In accordance with the present invention, a hydrolyzable silane of low VOC-generating potential is provided which possesses: (i) at least one organofunctional group, said group being a non-bulky electron-withdrawing group and/or a group which interacts with an organic resin, the organofunctional group being bonded to a silicon atom of a hydrolyzable silyl group through a stable bridging groups; and (ii) at least one hydrolyzable group bonded to silicon and containing at least two heteroatoms selected from the group consisting of oxygen, nitrogen and their combinations, hydrolysis of the hydrolyzable group generating a compound having a vapor pressure lower than 0.1 mm Hg at 20° C.

Abstract: Compounds and methods that release 1-methylcyclopropene, 1-trifluoromethylcyclopropene, and other substituted cyclopropenes are disclosed. The compounds and methods overcome present limitations for storage, transportation, and application of the cyclopropene containing compounds by using light, including sunlight, and/or heat as the primary release trigger. Additional products released include innocuous gases and value added aryl-group compounds.

Abstract: The present invention provides a silicon compound represented by Formula (1) and a polymer obtained by using the same, and this makes it possible not only to obtain an organic-inorganic composite material having a distinct structure but also to control the structure of the above polymer as a molecular aggregate. wherein R1 is a group independently selected from hydrogen, alkyl having a carbon atom number of 1 to 40, substituted or non-substituted aryl and substituted or non-substituted arylalkyl; in this alkyl having a carbon atom number of 1 to 40, optional hydrogens may be substituted with fluorine, and optional —CH2— may be substituted with —O—, —CH?CH—, cycloalkylene or cycloalkenylene; in alkylene in this arylalkyl, optional hydrogens may be substituted with fluorine, and optional —CH2— may be substituted with —O— or —CH?CH—; and A1 is a group having an ?-haloester group.

Abstract: The invention relates to spiro compounds of the formula (I) and to monolithic materials prepared therefrom by twin ring-opening polymerisation which consist of a porous metal oxide or semimetal oxide framework and are suitable for use as catalyst supports or as supports for active compounds.

Abstract: The present invention provides curable materials, medical devices incorporating such materials, wherein the curable materials are capable of releasing hydrolyzable leaving agents upon hydrolysis that can form agents (e.g., pharmaceutically active agents), and methods of making and using such materials and devices.

Abstract: A coating composition is provided which includes an adhesion promoter or a crosslinker silane which, upon hydrolysis, of its hydrolyzable sites, produces a reduced amount of volatile organic compound compared to that produced by the hydrolysis of a silane possessing an equivalent number of hydrolyzable sites all of which are hydrolyzable alkoxy groups.

Abstract: The present invention provides a compound that can be readily purified and an organic EL device having a luminescent layer including the compound. In particular, the present invention provides a cyclic siloxane compound represented by Formula (1) below: wherein, in Formula (1), R1 and R2 are each independently a luminescent monovalent group, a charge-transporting monovalent group, or another substituent; at least one of R1 and R2 is the charge-transporting monovalent group or the luminescent monovalent group; and n is an integer of 2 to 100, and an organic EL device having luminescent layer containing the compound.

Abstract: The present invention relates to compounds, intermediates, compositions, and methods of making compounds and intermediates related to the compounds of Formula (I) and/or Formula (II) and/or Formula (III) and/or Formula (IV) and/or Formula (VI) and/or Formula (VII) as disclosed herein wherein the various substituents are as defined in the written description.

Abstract: The present invention has the objects to provide a novel material for forming Si-containing film, especially a material containing a cyclic siloxane compound suitable to a PECVD equipment for low dielectric constant insulating film, and to provide an Si-containing film using the same, and a semiconductor device containing those films. The present invention relates to a material for forming Si-containing film, containing a cyclic siloxane compound represented by the following general formula (1) (In the formula, A represents a group containing at least one selected from the group consisting of an oxygen atom, a boron atom and a nitrogen atom, n is 1 or 2, and x is an integer of from 2 to 10.), and its use.

Abstract: A process for preparing a cyclic organosilane using a solvent that promotes ring-closure reactions between an organosilane compound and a dihalo organic compound is disclosed. The ring-closure reactions may form a 4-, 5- or 6-member cyclic organosilane. The process involves a mixture including a dihalo organic compound, an organosilane having at least two functional groups, a solvent and magnesium (Mg). The two functional groups in the organosilane may include halogen, alkoxy or a combination thereof. In the presence of Mg, a Grignard intermediate is formed from the dihalo organic compound in the mixture. The solvent favors intra-molecular or self-coupling reactions of the Grignard intermediate. The intra-molecular or self-coupling reaction promotes ring-closure reaction of the Grignard intermediate to form the cyclic organosilane.

Abstract: Cyclic siloxanes that contain releasable active ingredients are described. The active ingredient can be an alcohol or enolizable carbonyl-containing compound such as a ketone, aldehyde, or ester. The product siloxanes are useful in a variety of personal and household care products where slow or controlled release of active ingredient is desired. A preferred embodiment utilizes substituents that when released as active ingredients are fragrant.

Abstract: Silicon compounds comprising at least one silicon atom, at least one alkoxy group of the formula —OR? bonded to silicon, and at least one aminoalkyl group bonded to silicon, wherein the alkoxy group is derived from an active substance alcohol of the formula R?OH, and the use thereof for perfuming or preserving laundry detergents and cleaners or cosmetic compositions.

Abstract: A rubber composition containing a rubber component, a filler and at least one organofunctional silane and/or mixture of organofunctional silanes in which individual silanes possess both free and blocked mercaptan functionality or particular mixtures of the organofunctional silanes possess both free and blocked mercaptan functionality. The organofunctional silanes and silane mixtures are useful, inter alia, as coupling agents for elastomeric compositions, e.g., rubber formulations employed in the manufacture of tires, where they exhibit a desirable balance of low scorch and good performance properties.

Abstract: The present invention provides a latent catalyst for epoxy resin, comprising: a cation moiety having an activity of accelerating curing reaction of epoxy resin; and a silicate anion moiety of suppressing the curing reaction-accelerating activity. Also disclosed are an epoxy resin composition comprising the latent catalyst and a semiconductor device using the epoxy resin composition.

Abstract: In accordance with the present invention, a hydrolyzable silane of low VOC-generating potential is provided which possesses: (i) at least one organofunctional group, said group being a non-bulky electron-withdrawing group and/or a group which interacts with an organic resin, the organofunctional group being bonded to a silicon atom of a hydrolyzable silyl group through a stable bridging groups; and (ii) at least one hydrolyzable group bonded to silicon and containing at least two heteroatoms selected from the group consisting of oxygen, nitrogen and their combinations, hydrolysis of the hydrolyzable group generating a compound having a vapor pressure lower than 0.1 mm Hg at 20° C.

Abstract: A siloxane dielectric precursor for use in a chemical vapor deposition (CVD) process, which has been dosed with a stabilizing agent(s) selected from free-radical inhibitors, end-capping agents and mixtures thereof. The stabilized siloxane dielectric precursor reduces the occurrence of premature deposition reactions occurring in the heated environment of the CVD delivery lines and process hardware.

Abstract: A crosslinkable silane-terminated polymer is provided which includes the reaction product of an isocyanate-terminated prepolymer and a silane possessing a plurality of hydrolysable sites and at least one active hydrogen-containing group which is reactive for isocyanate, the silane upon hydrolysis produces a reduced amount of volatile organic compound compared to that produced by the hydrolysis of a silane possessing an equivalent number of hydrolyzable sites all of which are hydrolyzable alkoxy groups.

Abstract: The object of the present invention is to provide a production method wherein synthesis of a cyclic organic silicon compound similar to oxa-silacyclopentanes is completed in a single-step reaction. It is also to provide an organic silicon resin having an alcoholic hydroxyl group, which is capable of easily controlling its construction and is longitudinally stable. The means for solving is to produce the cyclic organic silicon compound represented by the formula (3) below by reacting an olefin represented by the formula (1) below and an alkoxysilane represented by the formula (2) below in the presence of a catalyst comprising a transition metal. (In the formula, Z is alkenyl group having carbon atoms from 2 to 5 where the terminal carbon atom forms a C?C bond, R is methyl group or hydrogen atom, and Me is methyl group.) (In the formula, R1 is alkyl group or alkoxyl group, having carbon atoms from 1 to 3, and R2 is alkyl group having carbon atoms from 1 to 3.

Abstract: The compound is a silane surface treatment agent and is useful for modifying the surfaces of silicon oxide and other metal oxides with hexafluorodimethyl carbinol functional groups. Additionally provided is a surface treatment procedure that effectively bonds it and other alkoxysilanes via homogeneous and heterogeneous amine catalysis onto metal oxide surfaces.

Abstract: Organic electrolyte solutions and lithium batteries employing the same are provided. In one embodiment, an organic electrolyte solution includes a silane compound. The inventive organic electrolyte solutions prevent crack formation caused by volumetric changes in the anode active material during charging/discharging of the battery. This improves charge/discharge characteristics, resulting in improved battery stability, reliability, and charge/discharge efficiency, which is a dramatic improvement over conventional organic electrolyte solutions, which have higher irreversible capacities due to the decomposition of polar solvents.

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

Abstract: The method for producing polyorganosiloxane from at least one type of organosilicon compound having a siloxane unit or alkoxysilane by the equilibrating reaction involving cleavage and recombination of the silicon-oxygen bond as a method carried out in the presence of an acidic catalyst capable of giving the product in high productivity and yield, corrosive to the system to a limited extent, and remaining in the product to a limited extent or degrading product quality to a limited extent if it remains, wherein a solid, acidic zirconium oxide catalyst is used as the acidic catalyst.

Abstract: The invention relates to soluble organic-inorganic compositions comprising linear and cyclic hydrosiloxanes, to a novel process for preparing them and to their use as coating materials.

Abstract: Provided are polyorganosilsesquioxane and process for preparing the same. The polyorganosilsesquioxane is obtained by various methods including polymerization of an organosilanetriol as starting materials. The polyorganosilsesquioxane has convenience in handling and controlling the rate of polymerization, and structure of highly regular form, and be imparted high functionality and various characteristics as compared to a conventional polyorganosilsesquioxane.

Abstract: Charge control agent and toner for developing electrostatic images containing said charge control agent. The active ingredient of the charge control agent is a metal compound obtainable by reacting one or two or more molecules of a compound having a phenolic hydroxy group and one or two or more molecules of a metal alkoxide.

Abstract: A siloxane dielectric precursor for use in a chemical vapor deposition (CVD) process, which has been dosed with a stabilizing agent(s) selected from free-radical inhibitors, end-capping agents and mixtures thereof. The stabilized siloxane dielectric precursor reduces the occurrence of premature deposition reactions occurring in the heated environment of the CVD delivery lines and process hardware.

Abstract: The invention relates to soluble organic-inorganic compositions comprising linear and cyclic hydrosiloxanes, to a novel process for preparing them and to their use as coating materials.

Abstract: This invention has as its object a method for releasing a product by subjecting a compound of Formula (II′): R′7R′8(HX)C1-C2(YH)R′9R′10 to a chemical oxidation that cleaves the bond C1-C2 to obtain the product. In the compound of Formula (II′): R′7 to R′10, which are identical or different, correspond to a hydrogen atom, a substituted or unsubstituted alkyl group, or a substituted or unsubstituted functional group; X and Y, which are identical or different, are an oxygen atom, a sulfur atom, or an amine of Formula -NR11R12, wherein R11 is a hydrogen atom, an alkyl group, or a substituted or unsubstituted aryl group, and R12 is not a hydrogen atom. The invention also has as its object a method for releasing a product that comprises, before the chemical oxidation stage, a first step for preparing the compound of Formula (II′). The released product can be a volatile molecule or an active substance or else a specific product.

Abstract: Charge control agent and toner for developing electrostatic images containing said charge control agent. The active ingredient of the charge control agent is a metal compound obtainable by reacting one or two or more molecules of a compound having a phenolic hydroxy group and one or two or more molecules of a metal alkoxide.

Abstract: The present invention relates to polyalkylene oxide porogens having hyper-branches and low dielectric-constant insulators using them. More particularly, the present invention relates to polyalkylene oxide porogens having hyper-branches expressed by the following formula (1), where the polyalkylene oxide porogen has a center molecular (D) having branches (W), and low dielectric-constant insulators having nanopores prepared by coating a mixture of the porogen and a high heat-resistant resin such as polysilsesquioxane and thermal treating the coated substrate at a temperature effective to degrade the porogen.

Abstract: Symmetric and asymmetric cyclic silalkylenesiloxane monomers and copolymers thereof, as well as crosslinked and/or reinforced silalkylenesiloxane copolymers, medical devices containing such materials, and methods of preparation.

Abstract: Linear or cyclic diorganosiloxane compounds that include at least one nitroaniline function are disclosed; the compounds may be used as organic dyes in cosmetic compositions suitable for dyeing human keratin fibers, especially hair, or for make-up. The dyes may also be used in foods and pharmaceutical compositions and for dyeing natural and synthetic fibers and plastics or inorganic materials. Also disclosed are the use of the compounds in the above-mentioned fields, cosmetic compositions containing such compounds, and a method for directly dyeing keratin fibers.

Abstract: Disclosed is a silicon-containing flame retardant for an organic polymer, comprising a monomer, a polymer or a mixture thereof, which is represented by the following formula (1): wherein each of R1 and R2 independently represents a monovalent C1-C20 hydrocarbon group; each of R3 and R4 independently represents a monovalent or divalent C1-C20 hydrocarbon group, with the proviso that, when each of R3 and R4 independently represents a divalent C1-C20 hydrocarbon group, R3 and R4 are bonded to each other to form a ring; and n is 1 or more in terms of the number average n-value.

Abstract: A room temperature vulcanizing (RTV) silicone composition curable in the presence of moisture with rapid development of green strength. The RTV silicone composition comprises (A) 0 to about 85 weight percent polydiorganosiloxanes comprising on average at least 1.2 chain terminations per molecule selected from the group consisting of hydroxysilyl groups and alkoxysilyl groups; (B) about 10 to 95 weight percent polydiorganosiloxanes comprising on average at least 1.

Abstract: This invention relates to novel suspensions containing (a) 30 to 95 wt. % of water, (b) 70 to 5 wt. % of at least one silane or siloxane having at least two groups corresponding to formula (I) —(CH2)mSiRnX3-n  (I)  wherein R denotes C1-C18 alkyl and/or C6-C20 aryl, X denotes OH, C1-C4 alkoxy, C6-C20 aryloxy, C1-C6 acyloxy and/or hydrogen, m is 1 to 6, and n is 0 to 2, (c) 0.1 to 30 wt. % of at least one emulsifier, and (d) 0 to 20 wt. % of one or more additives and/or auxiliary substances, with the proviso that the sum of components (a) to (d) totals 100 wt. %. The present invention further relates to the preparation and use of such suspensions.

Abstract: A curable composition comprising (A) a fluorinated organic silicon compound of the formula: Z—R1—Rf—R1—Z wherein Rf is a divalent fluorinated polyether group, R1 is a divalent hydrocarbon group, and Z is a silyl or siloxane group terminated with OH, (B) an organic silicon compound as a crosslinking agent, and (C) a condensation accelerator is curable to depth at room temperature even in the absence of moisture.

Abstract: A polyorganosiloxane comprising at least one organofunctional group per molecule having multiple hydrolyzable groups. The organofunctional group is described by formula --Z.sub.b --R.sup.4 (Z--SiR.sup.2.sub.n X.sub.3-n).sub.a, where each R.sup.2 is an independently selected monovalent hydrocarbon radical comprising 1 to about 18 carbon atoms; each Z is independently selected from the group consisting of divalent hydrocarbon radicals comprising about 2 to 18 carbon atoms and a combination of divalent hydrocarbon radicals and siloxane segments; R.sup.4 is independently selected from the group consisting of a silicon atom and a siloxane radical comprising at least two silicon atoms and each Z is bonded to a silicon atom of R.sup.4 with the remaining valences of the silicon atoms of R.sup.

Abstract: Cyclic silane esters and solvolysis products thereof and processes for making these materials. The cyclic silanes and their solvolysis products are useful as adhesives, crosslinking agents and reagents for modifying polymers containing ester groups.

Abstract: There is disclosed a method of preparing cyclic silyl enol ethers (1-oxa-2-sila-5-cyclohexenes), comprising reacting a silacyclobutane with an acid halide in the presence of a palladium catalyst and an organic base. There is also disclosed novel cyclic silyl enol ethers obtained by the above method. The above cyclic silyl enol ethers belong to a new class of silyl enol ethers which are useful in the production of medicines and agricultural chemicals, and they can be used as intermediates of fine chemicals or as various reagents for fine synthesis.