Asahi Glass Company, Limited

The Green Cross Corporation

Asahi Glass Company, Linited

Takashi Okazoe

Kunio Watanabe

Masahiro Ito

Daisuke Shirakawa

Shin Tatematsu

Shu-zhong Wang

Eisuke Murotani

Kazuya Oharu

Hidekazu Okamoto

Kimiaki Kashiwagi

Koichi Murata

Hidenobu Murofushi

Isamu Kaneko

Yoshitomi Morizawa

Taiki Hoshino

Yoshihisa Inoue

Koichi Yanase

Norifumi Nakamura

Arata Yasuda

Hajime Ebisu

Yasuhiro Suzuki

Yasushi Matsumura

Jun Sasaki

Nobuaki Mori

Kazuhiro Ookura

Jiro Nishino

Naomichi Ishida

Hirokazu Takagi

Atsushi Watakabe

Tomoyuki Fujita

Shinji Wada

Naoko Shirota

Masao Iwaya

Atsushi Fujimori

Takeshi Eriguchi

Masakuni Sato

Yuko Nagasaki

Kengo Kawahara

Masayuki Miyazaki

Norihide Sugiyama

Satoshi Kawaguchi

Yutaka Furukawa

Jumpei Nomura

Masayuki Tamura

Jun Irisawa

Gen Ogawa

Shuzhong Wang

Tomoko Ito

The present invention relates to a production process capable of selectively producing various kinds of carbonate compounds without restraint in high yields without using toxic compounds such as phosgene and crown ethers, without producing corrosive gases such as hydrogen chloride as a by-product, and without necessity of removing the chloroform as a by-product by distillation, and to a method for producing a carbonate compound, containing reacting compound (1) with a compound having an OH group in the presence of a metal salt and 0.2 to 4.0 mol of compound (2) per mol of the metal salt to obtain a carbonate compound, in which m is an integer of 1-10, Q is an alkylene group having 1 to 4 carbon atoms, etc, and Rand Rare alkyl groups having 1 to 5 carbon atoms, etc. 

Method for producing carbonate compound

The present invention relates to a method for producing a carbonate compound and methacrylic acid or an ester thereof, containing a step (a1) of obtaining hexachloroacetone and hydrogen chloride from acetone and chlorine molecule, a step (a2) of obtaining a dialkyl carbonate and chloroform from hexachloroacetone and an alkyl alcohol, a step (b1) of obtaining 1,1,1-trichloro-2-methyl-2-propanol from chloroform and acetone, a step (b2+b3 or b4) of obtaining methacrylic acid or an ester thereof and hydrogen chloride from 1,1,1-trichloro-2-methyl-2-propanol and water or an alcohol, and a step (c1 or c2) of obtaining chlorine molecule by reacting hydrogen chloride with oxygen molecule.

Production method for carbonate compound and methacrylate or ester thereof

The present invention relates to a method of producing polycarbonate containing following step (a) and step (b), (a) a step of reacting a specific fluorine-containing carbonate (Compound (1), etc.) and an aromatic dihydroxy compound in the presence of a condensation catalyst, to obtain a prepolymer, and (b) a step of heating the prepolymer at a temperature which is lower than a melting temperature of the prepolymer and performing solid phase polymerization on the prepolymer while a fluorine-containing alcohol that is produced as a by-product is discharged out of a system, to obtain a polycarbonate. 

Polycarbonate manufacturing method and polycarbonate

The present invention relates to a method of producing a carbamate compound, comprising reacting a fluorine-containing carbonic diester compound represented by formula (1) and a non-aromatic diamine compound represented by formula (2) without using a catalyst, to thereby produce a carbamate compound represented by formula (3), and a method of producing an isocyanate compound represented by formula (20) from the carbamate compound without using a catalyst, wherein R represents a fluorine-containing monovalent aliphatic hydrocarbon group, and A represents a divalent aliphatic hydrocarbon group, a divalent alicyclic hydrocarbon group or a divalent aromatic-aliphatic hydrocarbon group. 

Method for producing carbamate compound, carbamate compound, and method for producing isocyanate compound using same

The present invention relates to a method for producing an unsaturated acid and/or an unsaturated acid ester, containing a process A of reacting a compound (1) represented by the following formula (1) at a temperature of 0&#xb0; C. to 350&#xb0; C. in the presence of a Br&#xf8;nsted acid catalyst and/or a Lewis acid catalyst, to prepare a compound (2) represented by the following formula (2); 

Method for producing unsaturated acid and/or unsaturated acid ester

The present invention relates to a method for producing a polyester, containing conducting a transesterification reaction of at least one compound selected from compounds represented by the following formulae (1) to (3) with a diol compound in the presence of a catalyst: wherein Ar is a divalent aromatic hydrocarbon group or the like; Ris CXYR; Ris a hydrogen atom or CXYR; Ris a hydrogen atom or CXYR; Ris a perfluoroalkylene group having 1 to 5 carbon atoms; Xto Xare a hydrogen atom, a fluorine atom or R; Yto Yare a fluorine atom or R; Rto Rare a fluorine atom, R, ORor the like; and Ris a fluoroalkyl group having 1 to 4 carbon atoms.

Method for producing polyester, and fluorine-containing dicarboxylic acid ester compound

To provide processes for efficiently and economically producing 2-chloro-1,1,1,2-tetrafluoropropane (R244bb) and 2,3,3,3-tetrafluoropropene (R1234yf) in an industrially practical manner. A process for producing 2-chloro-1,1,1,2-tetrafluoropropane, which comprises a chlorination step of reacting 1,2-dichloro-2-fluoropropane and chlorine in the presence of a solvent under irradiation with light to obtain 1,1,1,2-tetrachloro-2-fluoropropane, and a fluorination step of reacting the 1,1,1,2-tetrachloro-2-fluoropropane obtained in the chlorination step and hydrogen fluoride in the presence of a catalyst to obtain 2-chloro-1,1,1,2-tetrafluoropropane, and a process for producing 2,3,3,3-tetrafluoropropene, which comprises dehydrochlorinating it in the presence of a catalyst.

Processes for producing 2-chloro-1,1,1,2-tetrafluoropropane and 2,3,3,3-tetrafluoropropene

The present invention provides a process whereby fluorine atom-containing sulfonyl fluoride compound(s) useful as e.g. materials for ion-exchange membranes, can be produced efficiently and at low cost without structural limitations while solving the difficulties in production. Namely, the present invention provides a process which comprises reacting XSOR-E(1) with R-E(2) to form XSOR-E-R(3), then reacting (3) with fluorine in a liquid phase to form FSOR-E-R(4), and further, decomposing the compound to obtain FSO-E(5), wherein Ris a bivalent organic group, Eis a monovalent reactive group, Ris a monovalent organic group, Eis a monovalent reactive group which is reactive with E, E is a bivalent connecting group formed by the reaction of Ewith E, Ris a bivalent organic group formed by the fluorination of R, etc., Ris the same group as R, etc., Eis a bivalent connecting group formed by the fluorination of E, etc., Eis a monovalent group formed by the decomposition of E, and X is a halogen atom.

Process for producing a fluorine atom-containing sulfonyl fluoride compound

It is to provide a compound which has a low vapor pressure and low viscosity, which is less problematic in deterioration during its use and which is useful as e.g. a lubricant, a surface modifier or a surfactant. A fluoropolyether compound represented by the formula (X&#x2014;)Y(&#x2014;Z), wherein X is a group represented by the formula HO&#x2014;(CHCHO)a.(CHCH(OH)CHO)&#x2014;(CH)&#x2014;CFO(CFCFO)&#x2014; (wherein 'a' is an integer of from 0 to 100, b is an integer of from 0 to 100, c is an integer of from 1 to 100, and d is an integer of from 1 to 200), Z is a group represented by the formula RO(CFCFO)&#x2014; (wherein Ris e.g. a Cperfluoroalkyl group having an etheric oxygen atom inserted between carbon-carbon atoms, and g is an integer of from 3 to 200), Y is e.g. a (x+z) valent perfluorinated saturated hydrocarbon group, x is an integer of at least 2, z is an integer of at least 0, and (x+z) is an integer of from 3 to 20.

Fluoropolyether compound

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

The present invention provides a process whereby fluorine atom-containing sulfonyl fluoride compound(s) useful as e.g. materials for ion-exchange membranes, can be produced efficiently and at low cost without structural limitations while solving the difficulties in production. Namely, the present invention provides a process which comprises reacting XSOR-E(1) with R-E(2) to form XSOR-E-R(3), then reacting (3) with fluorine in a liquid phase to form FSOR-E-R(4), and further, decomposing the compound to obtain FSOR-E(5), wherein Ris a bivalent organic group, Eis a monovalent reactive group, Ris a monovalent organic group, Eis a monovalent reactive group which is reactive with E, E is a bivalent connecting group formed by the reaction of Ewith E, Ris a bivalent organic group formed by the fluorination of R, etc., Ris the same group as R, etc., Eis a bivalent connecting group formed by the fluorination of E, etc., Eis a monovalent group formed by the decomposition of E, and X is a halogen atom.

A fluorosulfonyl group-containing compound having a high polymerization reactivity, a process for its production, a sulfonyl group-containing polymerizable monomer led from the sulfonyl group-containing compound, and a polymer obtainable by polymerizing the sulfonyl group-containing polymerizable monomer, are provided. A compound (3) is fluorinated to form a compound (4), and then, the compound (4) is subjected to a decomposition reaction to produce a compound (5). A preferred compound (5-1) of the compound (5) is thermally decomposed to produce a compound (7-1) having a high polymerization reactivity. wherein Ris a bivalent organic group such as a fluoroalkylene group, Ris a group having Rfluorinated, or the same group as R, each of Rto Rwhich are independent of one another, is a hydrogen atom, etc., each of Rto Ris a fluorine atom, etc., Ris a monovalent organic group, Ris a group having Rfluorinated, or the same group as R, E is a bivalent connecting group, Eis the same group as E, or a group having E fluorinated, Eis a group formed by scission of E, each of Xto Xis a hydrogen atom, etc., and each of Xto Xis a fluorine atom, etc.

Processes for producing a fluorosulfonyl group-containing compound and a compound LED from the fluorosulfonyl group-containing compound

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

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Yokohama, Japan

Takashi Okazoe