Asahi Glass Company, Limited

Iwaki Glass Co., Ltd.

Naoko Shirota

Ikuo Matsukura

Koichi Murata

Yoko Takebe

Osamu Yokokoji

Takashi Okazoe

Taiki Hoshino

Kazuya Oharu

Tomoyuki Fujita

Norihide Sugiyama

Yoshitomi Morizawa

Kimiaki Kashiwagi

Jun Irisawa

Takashi Nakano

Masayuki Miyazaki

Daisuke Shirakawa

Ko Aosaki

Atsushi Watakabe

Kiyoshi Yamamoto

Shinji Wada

Eisuke Murotani

Yusuke Suzuki

Shu-zhong Wang

Daisuke Jomuta

Nobuyuki Otozawa

Hiromasa Yamamoto

Shunsuke Yokotsuka

Shinji Okada

Yoshiki Hamatani

Masaki Naritomi

Akihiko Asakawa

Atsuo Hiroi

Kuniko Okano

Yuichiro Ishibashi

Yasuo Etoh

Yasuhisa Matsukawa

Nana Tsushima

Reiko Kakita

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 for producing an unsaturated-acid ester or an unsaturated acid, containing a step of reacting a compound (1) represented by the following formula (1) with a compound represented by the following formula (2) (excluding the compound (1)) in the presence of a Lewis acid catalyst at a temperature of the boiling point of the compound (1) or higher and 350&#xb0; C. or lower, thereby obtaining products including a compound represented by the following formula (3): (in formula (1) and formula (3), R, Rand Reach independently may be hydrogen atom or an alkyl group, Rand Reach independently are hydrogen atom or a deuterium atom, and X is a halogen atom; in formula (2) and formula (3), Rmay be hydrogen atom, an alkyl group or an aryl group, and Ris hydrogen atom or a deuterium atom).

Method for producing unsaturated acid ester or unsaturated acid

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

To provide a process for producing a charge retention medium, with which a coating film (precursor of a charge retention medium) containing a fluorinated copolymer having repeating units based on tetrafluoroethylene and repeating units based on ethylene can easily be formed on the surface of a substrate, even in a case where the surface of the substrate has a complicated shape. A process for producing a charge retention medium (electret), which comprises a step of applying a coating composition containing a fluorinated copolymer (A) having repeating units based on tetrafluoroethylene and repeating units based on ethylene, and an organic solvent (C), to a substrate (first substrate) to form a coating film.

Process for producing charge retention medium

To provide a water/oil repellent agent and a water/oil repellent composition which is capable of providing an article surface with a sufficient water/oil repellency, while placing little burden on the environment. One comprising a reaction product obtained by reacting a fluoromonool having a polyfluoroalkyl moiety having at most 6 carbon atoms as an alcohol, an alkane monool having at least 18 carbon atoms, and MDI or a polymeric MD, and by treating an article with such a water/oil repellent agent, a sufficient water/oil repellency can be imparted, while placing little burden on the environment. By treating the above-mentioned article with the water/oil repellent composition of the present invention, a high quality water/oil repellency can be imparted to the article.

Water/oil repellent agent and water/oil repellent composition

To provide an oil repellent copolymer capable of forming an oil repellent film which is excellent in durability. An oil repellent copolymer characterized by comprising a repeating unit (A) having a polyfluoroalkyl group, a repeating unit (B) having a fluorescent functional group, and a repeating unit (C) having an ester bond other than an ester bond derived from acrylic acid, and/or a hydroxyl group.

Oil repellent copolymer, method for its production and oil repellent treatment solution

Provided is a novel fluorinated compound, a fluoropolymer, and a method for producing the compound. A monomer of the compound has a formula F&#x2550;CFCFC(X)(C(O)OZ)(CH)CR&#x2550;CHR, wherein X is a hydrogen atom, a cyano group, or a group of formula &#x2014;C(O)OZ; Z is a hydrogen atom or a Cmonovalent organic group, n is 0, 1, or 2; and R is a hydrogen atom or a Cmonovalent organic group.

Fluorinated compound, fluoropolymer and method for producing the compound

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

To provide a novel fluorinated compound, a fluoropolymer and a method for producing the compound. A compound represented by the formula CF&#x2550;CFCFC(X)(C(O)OZ)(CH)CR&#x2550;CHR (wherein X is a hydrogen atom, a cyano group or a group represented by the formula &#x2014;C(O)OZ, Z is a hydrogen atom or a Cmonovalent organic group, n is 0, 1, or 2, and R is a hydrogen atom or a Cmonovalent organic group), a method for producing it, and a fluoropolymer obtained by polymerizing the compound.

A useful fluoropolymer excellent in transparency and durability to a short wavelength light (an ArF excimer laser having an irradiation wavelength of 193 nm and a F2 excimer laser having an irradiation wavelength of 157 nm) as e.g. a pellicle material, wherein a polymer (I) to be used for a pellicle membrane and/or an adhesive is a polymer essentially containing the following fluorine atom-containing unit (1), wherein a chain forming the polymer main chain comprises a carbon atom and an etheric oxygen atom, at least one carbon atom forming the main chain is a carbon atom forming a cyclic group, and at least one etheric oxygen atom forming the main chain is an oxygen atom forming no cyclic group.

Pellicle and novel fluoropolymer

To provide a novel fluoroadamantane derivative, a novel polymerizable fluoroadamantane derivative and a novel fluoropolymer, and processes for production thereof. To provide the following compound (3), the following compound (4), a polymer obtained by polymerizing the compound (4) and processes for production thereof: provided that Q represents &#x2014;CHF&#x2014; or &#x2014;CF&#x2014; (provided that six Qs may be the same or different), Z represents &#x2014;H, &#x2014;F or &#x2014;CHOH (provided that three Zs may be the same or different), W represents &#x2014;H or a Chydrocarbon group, R represents &#x2014;H, &#x2014;F, &#x2014;CHor &#x2014;CF, and J represents &#x2014;H, &#x2014;F, &#x2014;CHWOH or &#x2014;CHWOCOCR&#x2550;CH(provided that three Js may be the same or different).

Fluoroadamantane derivative, fluorine-containing polymer and production method

A pellicle is used for a photolithographic patterning process using a light having a wavelength of from 100 to 200 nm. The pellicle contains a pellicle membrane containing (A) a substantially linear fluoropolymer which has an alicyclic structure in its main chain, the main chain being a chain of carbon atoms, and the fluropolymer satisfying the following requirements (1) the carbon atoms in the main chain of the fluoropolymer contain a carbon atom having at least one hydrogen atom bonded thereto and a carbon atom having no hydrogen atom bonded thereto; and (2) in the measurement of a high resolution proton magnetic resonance spectrum of the fluoropolymer, a number of hydrogen atoms based on signals appearing on the higher magnetic field side higher than 2.8 ppm, is at most 6 mol % based on a total number of hydrogen atoms.

Pellicle

A fluorine-containing polymer composition comprising a fluorine-containing solvent of the formula R &mdash;O&mdash;R wherein R is a C linear or branched polyfluoroalkyl group which may have an ether bond, and R is a C linear or branched alkyl group, and a fluorine-containing amorphous polymer having a fluorine-containing ring structure in its main chain, dissolved in the solvent.

Fluorine-containing polymer composition

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Tokyo, Japan

Naoko Shirota