Abstract: The object of the disclosure is to provide a nano-scale molecular assembly such as a conductive nano-wire. Specifically, there is provided an electrochemical apparatus for forming a molecular assembly, including two electrodes and an electrochemical cell holding an electrolytic solution and the two electrodes, wherein the gap between the two electrodes is from 1 nm to 100 ?m, by allowing the electrochemical cell to hold an electrolytic solution containing molecules that is to constitute the molecular assembly, and applying a voltage across the two electrodes in the state wherein the electrolyte and the two electrodes are in contact.

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: The object of the disclosure is to provide a nano-scale molecular assembly such as a conductive nano-wire. Specifically, there is provided an electrochemical apparatus for forming a molecular assembly, including two electrodes and an electrochemical cell holding an electrolytic solution and the two electrodes, wherein the gap between the two electrodes is from 1 nm to 100 ?m, by allowing the electrochemical cell to hold an electrolytic solution containing molecules that is to constitute the molecular assembly, and applying a voltage across the two electrodes in the state wherein the electrolyte and the two electrodes are in contact.

Abstract: Vinylsilane compounds having a specific amino group, typically diethylaminopropyldimethylvinylsilane, N-methylpiperazinylpropyldimethylvinylsilane, and bistrimethylsilylaminopropyldimethylvinylsilane are novel and useful as a modifier for polymers.

Abstract: A novel monofunctional monomer having a cage oligosiloxane structure is represented by formula (1) wherein X is a polymerizable oxygen-containing C1-C40 group, R1 is a C1-C20 saturated hydrocarbon group, C6-C20 aromatic hydrocarbon group, C1-C20 organoxy group or halogen atom, and R is a non-polymerizable monovalent C1-C40 hydrocarbon group which is optionally halogenated. The monomer has improved compatibility with various solvents and polymerizable monomers. A method for preparing the same is also provided.

Abstract: Disclosed are an ophthalmic lens, a cell or organ culture substrate, a container for a biological material and a transparent gel which have excellent wetting and sticking properties and do not require any surface treatment. An ophthalmic lens, cell or organ culture substrate, container for a biological material or transparent gel produced by polymerizing a cyclic siloxane compound represented by the formula (A): (A) wherein Ra are Rb independently represent a hydrogen or a monovalent hydrocarbon group which may be substituted by a fluorine; Rc represents an alkyl group having 1 to 6 carbon atoms or a phenyl group; X represents an organic group having an aliphatic unsaturated bond therein; and n is an integer of 1 to 10.

Abstract: A silyl (meth)acrylate compound containing a siloxy group having a bulky substituent is provided. The compound is represented by the following general formula (1): wherein R1 and R2 are independently a C3-10 monovalent branched hydrocarbon group having a hydrocarbon group at ? or ? position or a monovalent C3-10 cyclic hydrocarbon group; R3, R4, and R5 are independently an unsubstituted or substituted C1-20 hydrocarbon group or a siloxy group represented by the following general formula (2): —OSiR7R8R9??(2) wherein R7, R8, and R9 are independently an unsubstituted or substituted C1-20 hydrocarbon group; and R6 is hydrogen atom or methyl group. This compound is hydrolyzed at a reduced speed, and use of a polymer obtained by copolymerization with an alkyl methacrylate is capable of suppressing attachment of marine organisms to the ship with no or reduced biocide, and this polymer is useful for a hydrolytic self-polishing paint.

Abstract: An organosilicon compound having an amino group is provided. This compound is represented by the following general formula (1): wherein R1 and R2 respectively represent an unsubstituted or substituted aliphatic monovalent hydrocarbon group containing 1 to 10 carbon atoms with the proviso that the R1 and R2 may together form a ring with the nitrogen atom to which they are bonded, and that R1 and R2 may contain a heteroatom; R3 and R4 independently represent an unsubstituted or substituted monovalent hydrocarbon group containing 1 to 10 carbon atoms; and n represents an integer of 0 to 2. Use of this compound enables production of a polymer product having excellent mechanical properties, high heat resistance, and high transparency. The solution of this compound is stable, and can be stored for a long time, and when used for a polymer modifying agent, it facilitates introduction of amino group and hydroxy group.

Abstract: A method for producing an isocyanate group-containing siloxane compound is provided. In this method, a halogenated siloxane compound represented by the following general formula (1): or the following general formula (2) wherein R1, R2, R3, and R4 are independently hydrogen atom, a monovalent hydrocarbon group containing 1 to 8 carbon atoms, or a siloxy group represented by OSiR5R6R7 wherein R8, R6, and R7 are a monovalent hydrocarbon group containing 1 to 8 carbon atoms, X is a halogen atom, n is an integer of 1 to 10, a is 0, 1, or 2, and b is an integer of 2 to 9; is reacted with a cyanate salt represented by the following general formula (3): Mm+(OCN)m??(3) wherein M represents an alkali metal or an alkaline earth metal, and m is 1 or 2. The isocyanate group-containing siloxane compound produced is represented by the following general formula (4): or the following general formula (5): wherein R1, R2, R3, R4, n, q, and a are as defined above.

Abstract: A novel organoxysilane compound bearing a protected piperazino group is provided. It can impart rigidity, high mechanical strength, and transparency in the UV region when used in paints, adhesives and the like.

Abstract: This method for purifying chlorosilanes includes: introducing oxygen (O2) into the chlorosilanes containing a boron impurity and a phosphorous impurity in the presence of an aromatic aldehyde; treating the chlorosilanes to convert the impurities into high boiling compounds at the same time; and subjecting the chlorosilanes after having been treated to a distillation process or the like to separate the high boiling compounds of boron and phosphorous from the chlorosilanes. The high boiling compounds produced through the above described treatment are not decomposed into low boiling compounds by the heat applied after the high boiling compounds having been produced, so that the high boiling compounds can be easily separated from the chlorosilanes through treatment such as distillation. Accordingly, the boron impurity and the phosphorous impurity can be removed with a single process.

Abstract: A method for producing an isocyanate group-containing siloxane compound is provided. In this method, a halogenated siloxane compound represented by the following general formula (1): or the following general formula (2) wherein R1, R2, R3, and R4 are independently hydrogen atom, a monovalent hydrocarbon group containing 1 to 8 carbon atoms, or a siloxy group represented by OSiR5R6R7 wherein R8, R6, and R7 are a monovalent hydrocarbon group containing 1 to 8 carbon atoms, X is a halogen atom, n is an integer of 1 to 10, a is 0, 1, or 2, and b is an integer of 2 to 9; is reacted with a cyanate salt represented by the following general formula (3): Mm+(OCN)m ??(3) wherein M represents an alkali metal or an alkaline earth metal, and m is 1 or 2. The isocyanate group-containing siloxane compound produced is represented by the following general formula (4): or the following general formula (5): wherein R1, R2, R3, R4, n, q, and a are as defined above.

Abstract: The object of the present invention is to provide a nano-scale molecular assembly such as a conductive nano-wire. Specifically, there is provided an electrolytic apparatus for forming a molecular assembly, including two electrodes and an electrolytic cell holding an electrolyte and the two electrodes, wherein the gap between the two electrodes is from 1 nm to 100 ?m, by allowing the electrolytic cell to hold an electrolyte containing molecules that is to constitute the molecular assembly, and applying a voltage across the two electrodes in the state wherein the electrolyte and the two electrodes are in contact.

Abstract: The object of the present invention is to provide a nano-scale molecular assembly such as a conductive nano-wire. Specifically, there is provided an electrolytic apparatus for forming a molecular assembly, including two electrodes and an electrolytic cell holding an electrolyte and the two electrodes, wherein the gap between the two electrodes is from 1 nm to 100 ?m, by allowing the electrolytic cell to hold an electrolyte containing molecules that is to constitute the molecular assembly, and applying a voltage across the two electrodes in the state wherein the electrolyte and the two electrodes are in contact.

Abstract: A ?,?-unsaturated carboxylic acid silyl ester is prepared by reacting an ?,?-unsaturated carboxylic acid ester with a hydrosilane or hydrosiloxane in the presence of tris(pentafluorophenyl)borane. ?,?-Unsaturated carboxylic acid derivatives are readily prepared through fewer steps and in high yields.

Abstract: A 1-(alkoxysilyl)ethyl-1,1,3,3-tetramethyldisiloxane is prepared by adding a vinyl-containing alkoxysilane in portions to 1,1,3,3-tetramethyldisiloxane in the presence of a rhodium compound, and effecting reaction.

Abstract: Bissilylamino group-bearing chlorosilane compounds of formula (1): [(CH3)3Si]2NCH2CH2CH2Si(CH3)nCl3?n ??(1) wherein n is 0 or 1 are novel. They are useful as silane coupling agents and surface treating agents. They can be readily converted, through reaction with alcohols, to bissilyl group-bearing alkoxysilane compounds which are useful as intermediates for the synthesis of aminopropyl-modified silicone oil. The invention also provides an industrially advantageous method capable of preparing the bissilylamino group-bearing chlorosilane compounds.

Abstract: Novel cyclic siloxane compounds have both an aliphatic unsaturation-containing organic group and fluorinated alkyl groups within the molecular structure. When used to form silicone fluids and rubbers, they are useful as a modifier for giving novel physical properties thereto and when used as polymerizable monomers, they are effective for improving the performance of polymers or forming polymers with novel physical properties.

Abstract: A 1-(alkoxysilyl)ethyl-1,1,3,3-tetramethyldisiloxane is prepared by adding a vinyl-containing alkoxysilane in portions to 1,1,3,3-tetramethyldisiloxane in the presence of a rhodium compound, and effecting reaction.

Abstract: Novel cyclic siloxane compounds have both an aliphatic unsaturation-containing organic group and fluorinated alkyl groups within the molecular structure. When used to form silicone fluids and rubbers, they are useful as a modifier for giving novel physical properties thereto and when used as polymerizable monomers, they are effective for improving the performance of polymers or forming polymers with novel physical properties.