Abstract: A non-aqueous electrolyte used for a non-aqueous electrolyte secondary battery in which a negative electrode contains at least any of a silicon compound, a germanium compound, and a tin compound as a negative electrode active material particle, the non-aqueous electrolyte including a silane compound represented by the following general formula (1). This provides a non-aqueous electrolyte and a non-aqueous electrolyte secondary battery in which a battery cell hardly expands even when a negative electrode material such as a silicon material is used.

Abstract: A non-aqueous electrolyte used for a non-aqueous electrolyte secondary battery, including a silane compound represented by the following general formula (1). By this configuration, a highly safe non-aqueous electrolyte and a non-aqueous electrolyte secondary battery even after charge and discharge are provided: Si(R1)t(R2)m(R3)4-1-m??(1) wherein R1 represents a heteroaryl group having 4 to 20 carbon atoms; R2 represents an alkenyl group or an alkynyl group having 2 to 20 carbon atoms; R3 represents an alkyl group having 1 to 20 carbon atoms; and “l” and “m” each independently represents an integer of 1 to 3, provided that 2?1+m?4 is satisfied.

Abstract: A non-aqueous electrolyte liquid including: a non-aqueous solvent; an electrolyte salt dissolved in the non-aqueous solvent; and a silane compound represented by the following general formula (1), Si ( R 1 ) l ? ( R 2 ) m ? ( R 3 ) n ? ( R 4 ) 4 - l - m - n ( 1 ) wherein R represents an alkenyl group having 2 to 20 carbon atoms, R2 represents a substituted or unsubstituted arylethynyl group having 8 to 20 carbon atoms, R3 represents an alkyl group having 1 to 20 carbon atoms, R4 represents an alkynyl group having 2 to 20 carbon atoms, “l” and “m” each independently represent an integer of 1 to 3, “n” represents an integer of 0 to 2, and “l”, “m”, and “n” represent integers satisfying 2?l+m+n?4.

Abstract: A negative electrode including negative electrode active material particles, wherein the negative electrode was charged at least once, the negative electrode active material particles contain silicon oxide particles coated with a carbon layer, and the silicon oxide particles contain Li2SiO3 in at least a part thereof, outermost surfaces of the negative electrode active material particles are covered with a composite coating containing Si, O, C, and H, and a TOF-SIMS spectrum of a surface of the negative electrode active material particles obtained by time-of-flight secondary ion mass spectrometry has at least one negative secondary ion peak of a peak attributed to SiHO3?, a peak attributed to SiO2CH3?, and a peak attributed to SiOCH3?.

Abstract: A non-aqueous electrolyte used for a non-aqueous electrolyte secondary battery in which a negative electrode contains at least any of a silicon compound, a germanium compound, and a tin compound as a negative electrode active material particle, the non-aqueous electrolyte including at least one or more silane compounds selected from silane compounds represented by the following general formulae (1), (2), etc. This provides a non-aqueous electrolyte and a non-aqueous electrolyte secondary battery in which a battery cell hardly expands even when the negative electrode material such as the silicon material is used.

Abstract: Provided is a method for efficiently producing an oxadisilacyclopentane compound at a high yield, comprising reacting an azadisilacyclopentane compound with water, the azadisilacyclopentane compound having the following general formula (1): [R1 to R4 are each independently an unsubstituted monovalent hydrocarbon group having 1 to 4 carbon atoms, and R5 is a hydrogen atom, a substituted or unsubstituted monovalent hydrocarbon group having 1 to 20 carbon atoms, or a group having the following general formula (2): (R1 to R4 are as defined above, m is an integer of 0 to 5, n is an integer of 1 to 5, and a broken line donates a valence bond.) the oxadisilacyclopentane compound having the following general formula (3): (R1 to R4 are as defined above.).

Abstract: [Purpose] An object of the present invention is to provide an acrylic resin emulsion that provides a coating film having transparency, water resistance, salt water resistance, and water repellency, a method for preparing the acrylic resin emulsion, and a coating composition. [Solution] An acrylic resin emulsion comprising: an acrylic resin, which is a polymerized product of (A) 20 to 80 parts by mass of a polymerizable group-containing triorganosilyl ester monomer, (B) 20 to 80 parts by mass of a (meth) acrylic acid alkyl ester monomer having no functional group, and (C) 0 to 60 parts by mass of a polymerizable group and functional group-containing monomer other than components (A) and (B), provided that a total mass of said components (A) to (C) is 100 parts by mass; and (D) 5 to 70 parts by mass of a polymeric emulsifier having a number average molecular weight of 1,000 or more, relative to the total 100 parts by mass of said components (A) to (C); and water.

Abstract: A resin-coated metal powder according to the present invention is obtained by covering at least a part of the surface of a metal powder with a hydrolyzable resin that has an average composition of general formula (1) and a number average molecular weight of from 500 to 100,000; and this resin-coated metal powder exhibits sufficient dispersibility in an aqueous solution, while being stable for a relatively long period of time even in the coexistence of water in an aqueous coating material.

Abstract: The adhesive composition includes: a cyclic organosilazane compound of the following general formula (1): wherein R1s each independently represent a substituted or unsubstituted monovalent hydrocarbon group having 1 to 10 carbon atoms, and p represents an integer of 3 to 8; and a hydrolyzable group-containing organosilicon compound containing an alkoxysilane compound of the following general formula (2) and/or a partial hydrolytic condensate thereof: R2x—Si(OR3)4-x ??(2) wherein R2 represents an unsubstituted monovalent hydrocarbon group having 1 to 10 carbon atoms and optionally having an oxygen atom, R3 represents an unsubstituted monovalent hydrocarbon group having 1 to 10 carbon atoms, and x represents an integer of 0 to 2.

Abstract: A halosilane compound: R1CH2CH2SiR52X is prepared by hydrosilylation reaction of a vinyl compound: R1CH?CH2 with a halogenodiorganosilane compound having formula: HSiR52X in the co-presence of an iridium catalyst, an internal olefin compound, and an allyl halide. The halosilane compound is prepared on an industrial scale with the advantages of low costs, high yields, and high selectivity, using a small amount of iridium catalyst.

Abstract: A halosilane compound: R1CH2CH2SiR52X is prepared by hydrosilylation reaction of a vinyl compound: R1CH?CH2 with a halogenodiorganosilane compound having formula: HSiR52X in the co-presence of an iridium catalyst, an internal olefin compound, and an allyl halide. The halosilane compound is prepared on an industrial scale with the advantages of low costs, high yields, and high selectivity, using a small amount of iridium catalyst.

Abstract: A polysiloxazane compound including a repeating unit of the following general formula (1), and having a number average molecular weight of 500 to 100,000 as measured by gel permeation chromatography versus polystyrene standards, wherein R1 and R2 each independently represent a substituted or unsubstituted C1-C50 monovalent hydrocarbon group optionally containing a hetero atom, Xs each independently represent a methyl group, an oxygen atom, NH—SiX2, or (NH)(3-r)/2—SiR1R2r (R1 and R2 have the same meaning as provided above), or Xs are joined to one another to represent an oxygen atom, n is an integer of 0 to 8, when the number of NH—SiX2 is denoted by p, p satisfies 0?p/(2n+4)?0.5, r is an integer of 0, 1, or 2, and a and b are numbers satisfying 0<a?1, 0?b<1, and a+b=1.

Abstract: A polysilazane composition comprising an organopolysilazane compound free of Si—H structure and an organoxysilane compound having at least two silicon atoms in the molecule does not release hazardous substances such as hydrogen or require reactive solvents.

Abstract: A bissilylamino group-containing organic polysilazane compound having an average composition represented by general formula (1) below: wherein R1 is a monovalent hydrocarbon group, R2 is a divalent hydrocarbon group, R3 and R4 are a monovalent hydrocarbon group, R3 and R4 optionally bond each other to form a ring structure together with a silicon atom to which R3 and R4 are bonded and a nitrogen atom to which the silicon atom is directly bonded, R5 is a monovalent hydrocarbon group, p is 0 or 1, q is 0, 1, or 2, and a and b are numbers which satisfy 0<a?1, 0?b<1, and a+b=1, and having a number average molecular weight in terms of polystyrene measured by GPC of 500 to 100,000.

Abstract: Provided is a carbonate-containing silane compound having a characteristic structure that at least two silicon atoms are linked by a carbon chain. The silane compound is chemically stable. When used as an additive to a nonaqueous electrolyte solution, the silane compound does not jeopardize the safety of lithium ion secondary batteries.

Abstract: A process for producing a dimethylchlorosilane compound of formula (2) below: wherein X represents a halogen atom or an acyloxy group having 2 to 20 carbon atoms, the process including the step of: reacting an allyl compound of formula (1) below: wherein X has a meaning same as above, with dimethylchlorosilane in presence of an iridium catalyst, wherein the dimethylchlorosilane has a content of 1,1,3,3-tetramethyldisiloxane of 5.0 wt % or less.

Abstract: The adhesive composition includes: a cyclic organosilazane compound of the following general formula (1): wherein R1s each independently represent a substituted or unsubstituted monovalent hydrocarbon group having 1 to 10 carbon atoms, and p represents an integer of 3 to 8; and a hydrolyzable group-containing organosilicon compound containing an alkoxysilane compound of the following general formula (2) and/or a partial hydrolytic condensate thereof: R2x—Si(OR3)4-x ??(2) wherein R2 represents an unsubstituted monovalent hydrocarbon group having 1 to 10 carbon atoms and optionally having an oxygen atom, R3 represents an unsubstituted monovalent hydrocarbon group having 1 to 10 carbon atoms, and x represents an integer of 0 to 2.

Abstract: A composition is provided comprising (a) a polysilazane having a monovalent hydrocarbon group, (b) untreated metal oxide nanoparticles, metal oxide nanoparticles having a monovalent hydrocarbon group, or metal oxide nanoparticles having an alkylsilyl or alkoxysilyl group, and (c) an aprotic solvent. The composition has storage stability and is suitable for forming a film having water repellent, especially superhydrophobic properties.

Abstract: The invention provides an organosilane compound having a more bulky substituent group than the existing organosilane compounds. The compound is represented by formula (1) wherein R1 is a C4-C10 tertiary hydrocarbon group, R2 is a C1-C10 alkyl group, and LG is halogen or trifluoromethanesulfonyloxy.

Abstract: A polysilazane composition comprising an organopolysilazane compound free of Si—H structure and an organoxysilane compound having at least two silicon atoms in the molecule does not release hazardous substances such as hydrogen or require reactive solvents.