Asahi Glass Company, Limited

Agc Inc.

Asahi Glass Company, Linited

Eisuke Murotani

Takashi Okazoe

Taiki Hoshino

Kunio Watanabe

Kazuya Oharu

Masahiro Ito

Shu-zhong Wang

Daisuke Shirakawa

Kimiaki Kashiwagi

Akira Isobe

Nobuyuki Otozawa

Koichi Murata

Daisuke Jomuta

Hidekazu Okamoto

Naoko Shirota

Yoko Takebe

Ikuo Matsukura

Yusuke Takahira

Yu Onozaki

Toyokazu Enta

Akinobu Kunimoto

Gen Ogawa

Keiko Fukuda

Yasuhisa Matsukawa

Ryuichi Sugimoto

To provide a method for surface modification of a fluororesin, that enables graft polymerization at a lower temperature than a conventional method. A method for surface modification of a fluororesin, which comprises reacting a fluororesin with a radical reactive compound in the presence of an organometallic compound.

Method for surface modification of fluororesin

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-(CFO)&#x2014;X&#x2014;O&#x2014;Band which are different in B. X is a divalent organic group having no CFO. Bis &#x2014;CHCHCHSiLR, &#x2014;CHCH(SiLR)CH, &#x2014;CHCH&#x2550;CHor &#x2014;CH&#x2550;CHCH. A is a perfluoroalkyl group or group B. Of the total of group Bin said composition, the proportion of &#x2014;CHCHCHSiLRis from 90 to 99 mol %, and the proportion of &#x2014;CH&#x2550;CHCHis 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.

Fluorinated ether composition, method for its production, coating liquid, substrate having surface-treated layer and method for its production

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, and the liquid composition comprises at least one fluorine-containing solvent (&#x3b1;) 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.

Non-aqueous electrolyte solution for secondary batteries, and lithium ion secondary battery

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 &#x2014;CHCH&#x2550;CHand a silicon compound (4) having an H&#x2014;Si bond in the presence of a transition metal catalyst (C) and a compound (D) having a group represented by &#x2014;S(&#x2550;O)&#x2014; to obtain a compound (5) having a group represented by &#x2014;CHCHCHSi&#x2261;.

Method for producing silicon compound

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 (&#x3b1;&#x3b2;) having a Coxyperfluoroalkylene unit (&#x3b1;) and an oxyperfluoroalkylene unit (&#x3b2;) other than the unit (&#x3b1;) and which has a hydrolysable silyl group on at least one terminal of the poly(oxyperfluoroalkylene) chain (&#x3b1;&#x3b2;) via a linking group.

Fluorinated ether compound, fluorinated ether composition and coating liquid, and substrate having surface-treated layer and method for its production

A fluorinated ether compound which has a poly(oxyperfluoroalkylene) chain (&#x3b1;&#x3b2;) having a structure of block (&#x3b1;)-block (&#x3b2;) or a structure of block (&#x3b2;)-block (&#x3b1;)-block (&#x3b2;), formed by linking a block (&#x3b1;) comprising at least three Coxyperfluoroalkylene units of at least one type and a block (&#x3b2;) having Coxyperfluoroalkylene units of at least one type, wherein the proportion of the Coxyperfluoroalkylene units is at least 30 mol % among all oxyperfluoroalkylene units constituting the block (&#x3b2;), and which has a hydrolysable silyl group on at least one terminal of the poly(oxyperfluoroalkylene) chain (&#x3b1;&#x3b2;) 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.

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. 

Prepolymer, curable material, coating composition, non-linear optical material, optical waveguide and light control device

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 ((&#x3b1;&#x3b2;)) made of at least two units (&#x3b1;&#x3b2;) linked to one another, and which has a hydrolysable silyl group on at least one terminal of the chain ((&#x3b1;&#x3b2;)) via a linking group, wherein each unit (&#x3b1;&#x3b2;) is a poly(oxyperfluoroalkylene) group comprising one to three groups (&#x3b1;) made of at least one type of a Coxyperfluoroalkylene group and one to three groups (&#x3b2;) made of at least one type of a Coxyperfluoroalkylene group.

To provide a novel polymerizable fluorocompound having a highly fluorinated norbornane structure, and a polymer obtained from the compound. Further, their production processes and a novel intermediate useful for the processes. A novel compound () such as a compound () or a compound (), and its polymer. A compound () such as a compound () or (), and a compound () such as a compound () or (), which are useful as an intermediate for the production of the compound (), and its production process. However, each of Zto Zrepresents such as &#x2014;CH(&#x2014;OC(O)C(CH)&#x2550;CH)&#x2014; or &#x2014;CF, Each of Wand Wrepresents such as F, each of Yto Yrepresents such as &#x2014;CH(&#x2014;OH)&#x2014; or &#x2014;CF(CHOH), and each of Xto Xrepresents such as &#x2014;C(O)&#x2014; or &#x2014;CF&#x2014;. 

Fluorocompound having highly fluorinated norbornane structure, fluoropolymer, and their production processes

The present invention provides a process for producing a fluorinated sulfonyl fluoride useful as e.g. a material for an ion exchange resin, and a novel chemical substance useful as an intermediate in the production process. That is, to provide a process comprising oxidizing Y&#x2014;S&#x2014;R-E-Rby means of an oxidizing agent essentially containing a halogen atom to obtain XSO&#x2014;R-E-R, and in a case that X is a fluorine atom, reacting the compound with fluorine in a liquid phase as it is, and in a case that X is a halogen atom other than a fluorine atom, converting X into a fluorine atom, and then reacting the obtained compound with fluorine in a liquid phase to obtain FSO&#x2014;R-E-R, and then decomposing it to obtain FSO&#x2014;R&#x2014;COF (wherein Ris a bivalent organic group such as an alkylene group, Ris a monovalent organic group such as a perfluoroalkyl group, E is &#x2014;CHOCO&#x2014;, Y is a monovalent organic group such as a cyano group or the like, X is a halogen atom, Ris a bivalent organic group having Rfluorinated or the like, Ris the same group as Ror the like, and Eis &#x2014;CFOCO&#x2014;).

Process for producing fluorinated sulfonyl fluoride

Adamantane derivates which can be material compounds of a polymer excellent in etching resistance and having improved transmittance to light having a short wavelength, are produced by an economically advantageous process from readily available materials. A compound (10) is subjected to esterification reaction with a compound (11) to obtain a compound (12), which is subjected to fluorination in a liquid phase to obtain a compound (13), which is then subjected to hydrolysis or alcoholysis to obtain a compound (2), which is then reacted with a compound (15) thereby to obtain a compound (1). Here, A to J are &#x2014;CFH&#x2014; or &#x2014;CF&#x2014;; Ris a perfluoroalkyl group or the like; Xis F or the like; Yis H or OH; Yis H or RCOO&#x2014;; Yis H, F or RCOO&#x2014;; Yis H, F, RCOO&#x2014; or OH; Yis H, F, &#x2014;OCOCR&#x2550;CHor OH: Ris a hydrogen atom, a methyl group or the like; and Xis OH or a halogen atom: 

Fluoroadamantane derivative

The present invention provides a process for producing compounds useful as raw materials for various fluororesins in high yields in few steps from inexpensive and readily available starting materials. The following compound (1) and the following compound (2) are reacted to form the following compound (3), then the compound (3) is fluorinated in a liquid phase to form the following compound (4), and the ester bonds in the compound (4) are dissociated to form the compound (5), or the compound (5) and the compound (6).HOCH-Q-O&#x2014;(CH)&#x2014;OH&#x2003;&#x2003;(1),CRCOX&#x2003;&#x2003;(2),RCOOCH-Q-O&#x2014;(CH)&#x2014;OCOR&#x2003;&#x2003;(3),RCOOCF-Q-O&#x2014;(CF)&#x2014;OCOR&#x2003;&#x2003;(4),FCO-Q-O&#x2014;(CF)&#x2014;COF&#x2003;&#x2003;(5),RCOF&#x2003;&#x2003;(6).

Process for producing perfluorodiacyl fluorinated compounds

The present invention provides a process A1 for producing a compound (5A), which comprises fluorinating a compound (3A-1) by liquid phase fluorination to a compound (4A-1), followed by a decomposition reaction of an ester bond; a process A2 for producing a compound (5A), which comprises fluorinating a compound (3A-2) by liquid phase fluorination to a compound (4A-2), followed by a decomposition reaction of an ester bond; and a process B for producing a compound (5B), which comprises fluorinating a compound (3B) by liquid phase fluorination to a compound (4B), followed by hydrolysis or alcoholysis. Further, the present invention provides a compound (5A) wherein n is 2 to 4, and a compound (5B) wherein n is 3 or 4.A(&#x2014;CH&#x2014;OCO&#x2014;R)&#x2003;&#x2003;(3A-1)A(&#x2014;CF&#x2014;OCO&#x2014;R)&#x2003;&#x2003;(4A-1)A(&#x2014;COOR)&#x2003;&#x2003;(3A-2)A(&#x2014;COOR)&#x2003;&#x2003;(4A-2)A(&#x2014;COF)&#x2003;&#x2003;(5A)A(&#x2014;OCO&#x2014;R)&#x2003;&#x2003;(3B)A(&#x2014;OCO&#x2014;R)&#x2003;&#x2003;(4B)A(&#x2014;OH)&#x2003;&#x2003;(5B)provided that the carbon atom in adamantane to which &#x2014;OCO&#x2014;Ris bonded, is a tertiary carbon atom, A is a n-valent group having n hydrogen atoms in adamantane converted to connecting bonds, R is a fluorinated monovalent organic group, n is an integer of from 1 to 4, Ais a group having at least one of hydrogen atoms in the group A substituted by a fluorine atom, and Ris a fluorinated monovalent organic group.

Fluorinated adamantane and its derivatives

A pellicle which is excellent in transmittance and durability against short wavelength light, and which can be used for photolithography by using e.g. a KrF excimer laser, is provided. A pellicle for exposure to a light having a wavelength of at most 200 nm, which comprises a frame and a pellicle membrane bonded to the frame by means of an adhesive, wherein the pellicle membrane and/or the adhesive comprises a polymer containing repeating units represented by the following formula (1): wherein Q represents a Cpolyfluoroalkylene group having a linear structure, or a group having at least one atom selected from hydrogen atoms and fluorine atoms in such a polyfluoroalkylene group substituted by a substituent comprising a polyfluoroalkyl group which may contain an ethereal oxygen atom, or the like, and X represents a hydrogen atom, a fluorine atom or a Cpolyfluoroalkyl group which may contain an ethereal oxygen atom.

Ultraviolet transmitting fluoropolymer and pellicle comprising said polymer

A compound represented by the formula A(&#x2014;COF), provided that Aand n have the following meanings. A: a fluorinated adamantane residue which is an n-valent group having an n number of hydrogen atoms removed from adamantane (provided that when n is at least 2, the removed hydrogen atoms are hydrogen atoms bonded to different carbon atoms), wherein at least one of the remaining hydrogen atoms is substituted by a fluorine atom, and the remaining hydrogen atoms may be substituted by a Calkyl group or fluoroalkyl group, and

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Yokohama, Japan

Eisuke Murotani