Abstract:
To provide a method for producing a silicon compound, whereby a hydrosilylation reaction of a compound having a 2-propenyl group, can be conducted with high selectivity by a simple and easy method. The method for producing a silicon compound comprises reacting a compound (3) having a group represented by —CH2CH═CH2 and a silicon compound (4) having an H—Si bond in the presence of a transition metal catalyst (C) and a compound (D) having a group represented by —S(═O)— to obtain a compound (5) having a group represented by —CH2CH2CH2Si≡.
Abstract:
To provide a flame retardant non-aqueous electrolyte solution for secondary batteries, with which a lithium ion secondary battery which is less likely to undergo thermal runaway and which is excellent in the high temperature storage properties can be obtained; and a lithium ion secondary battery using the non-aqueous electrolyte solution for secondary batteries.A non-aqueous electrolyte solution for secondary batteries, comprising an electrolyte salt and a liquid composition,which contains either one or both of monofluorophosphate anions and difluorophosphate anions derived from at least part of the electrolyte salt,wherein at least a lithium salt is contained as one type of the electrolyte salt, andthe liquid composition comprises at least one fluorine-containing solvent (α) selected from the group consisting of a fluorine-containing ether compound, a fluorine-containing chain carboxylic acid ester compound and a fluorine-containing chain carbonate compound, and a cyclic carboxylic acid ester compound. A lithium ion secondary battery using the non-aqueous electrolyte solution for secondary batteries.
Abstract:
To provide a fluorinated ether composition useful for surface treatment to impart water/oil repellency to the surface of a substrate, a method for producing the fluorinated ether composition, and a coating liquid containing the fluorinated ether composition, as well as a substrate having a surface-treated layer, and a method for producing the same. Said composition comprises at least two fluorinated ether compounds which are represented by A-O-Q-(CbF2bO)d—X—O—B10 and which are different in B10. X is a divalent organic group having no CF2O. B10 is —CH2CH2CH2SiLmRn, —CH2CH(SiLmRn)CH3, —CH2CH═CH2 or —CH═CHCH3. A is a perfluoroalkyl group or group B10. Of the total of group B10 in said composition, the proportion of —CH2CH2CH2SiLmRn is from 90 to 99 mol %, and the proportion of —CH═CHCH3 is from 1 to 10 mol %. L is a hydrolyzable group, and R is a monovalent hydrocarbon group. b is an integer of from 1 to 10, and d is an integer of from 1 to 200.
Abstract:
To provide a flame retardant non-aqueous electrolyte solution for secondary batteries, with which a lithium ion secondary battery which is less likely to undergo thermal runaway and which is excellent in the high temperature storage properties can be obtained; and a lithium ion secondary battery using the non-aqueous electrolyte solution for secondary batteries.A non-aqueous electrolyte solution for secondary batteries, comprising an electrolyte salt and a liquid composition,which contains either one or both of monofluorophosphate anions and difluorophosphate anions derived from at least part of the electrolyte salt,wherein at least a lithium salt is contained as one type of the electrolyte salt, andthe liquid composition comprises at least one fluorine-containing solvent (α) selected from the group consisting of a fluorine-containing ether compound, a fluorine-containing chain carboxylic acid ester compound and a fluorine-containing chain carbonate compound, and a cyclic carboxylic acid ester compound. A lithium ion secondary battery using the non-aqueous electrolyte solution for secondary batteries.
Abstract:
To provide a flame-retardant non-aqueous electrolyte solution for secondary batteries, with which a lithium ion secondary battery excellent in the rate properties can be obtained; and a safe lithium ion secondary battery excellent in the rate properties.A non-aqueous electrolyte solution for secondary batteries, comprising a lithium salt and a liquid composition, wherein the liquid composition comprises at least one fluorine-containing solvent (α) selected from the group consisting of a fluorine-containing ether compound, a fluorine-containing chain carboxylic acid ester compound and a fluorine-containing chain carbonate compound, and a cyclic carboxylic acid ester compound, the lithium salt contains LiPF6, and the lithium ion diffusion coefficient of the non-aqueous electrolyte solution at 25° C. is at least 1.1×10−10 m2/s.
Abstract:
To provide a fluorinated ether compound, a fluorinated ether composition and a coating liquid, whereby it is possible to form a surface-treated layer which has high initial water/oil repellency and which is excellent in abrasion resistance and fingerprint stain removability, and a substrate having a surface-treated layer and a method for its production.A fluorinated ether compound which has a poly(oxyperfluoroalkylene) chain (αβ) having a C4 oxyperfluoroalkylene unit (α) and an oxyperfluoroalkylene unit (β) other than the unit (α) and which has a hydrolysable silyl group on at least one terminal of the poly(oxyperfluoroalkylene) chain (αβ) via a linking group.
Abstract:
To provide a fluorinated ether compound, a fluorinated ether composition and a coating liquid, whereby it is possible to form a surface-treated layer which has high initial water/oil repellency and which is excellent in abrasion resistance and fingerprint stain removability, and a substrate having a surface-treated layer and a method for its production.A fluorinated ether compound which has a poly(oxyperfluoroalkylene) chain ((αβ)n) made of at least two units (αβ) linked to one another, and which has a hydrolysable silyl group on at least one terminal of the chain ((αβ)n) via a linking group, wherein each unit (αβ) is a poly(oxyperfluoroalkylene) group comprising one to three groups (α) made of at least one type of a C1-2 oxyperfluoroalkylene group and one to three groups (β) made of at least one type of a C3-6 oxyperfluoroalkylene group.
Abstract:
A fluorinated ether compound which has a poly(oxyperfluoroalkylene) chain (αβ) having a structure of block (α)-block (β) or a structure of block (β)-block (α)-block (β), formed by linking a block (α) comprising at least three C1-3 oxyperfluoroalkylene units of at least one type and a block (β) having C4-15 oxyperfluoroalkylene units of at least one type, wherein the proportion of the C4-15 oxyperfluoroalkylene units is at least 30 mol % among all oxyperfluoroalkylene units constituting the block (β), and which has a hydrolysable silyl group on at least one terminal of the poly(oxyperfluoroalkylene) chain (αβ) via a linking group. Also, a fluorinated ether composition and a coating liquid, whereby it is possible to form a surface-treated layer which has high initial water/oil repellency and which is excellent in abrasion resistance and finger print stain removability, and a substrate having a surface-treated layer and a method for its production.
Abstract:
Provided are: a prepolymer which is capable of forming a non-linear optical material that has excellent non-linear optical effect, heat resistance, withstand voltage and transparency; a curable material which contains the prepolymer; a coating composition which contains the curable material and a solvent; a non-linear optical material which is obtained by curing the curable material; an optical waveguide which uses the non-linear optical material; and a light control device which is provided with the optical waveguide. The present invention uses a prepolymer having a crosslinkable functional group, which is obtained by reacting one or more compounds (X) that are selected from the group consisting of compounds (X1), compounds (X2) and compounds (X3), a compound (Y) that is represented by formula (Y), a compound (Z) that has three or more phenolic hydroxyl groups, and an organic compound (B) that exerts a non-linear optical effect and has a reactive group.