Mitsubishi Chemical Corporation

Mu Ionic Solutions Corporation

Hidekazu Miyagi

Hiroshi Iwane

Hitoshi Suzuki

Ryoichi Kato

Takayuki Nakajima

Hiroyuki Oshima

Minoru Kotato

Takahiko Takewaki

Masatoshi Takagi

Miki Yamada

Tomoatsu Iwakura

Hitoshi Matsumoto

Mikio Hayashi

Yuji Ohgomori

Naoko Fujita

Masakazu Yokomizo

Hiroyuki Uono

Takahiro Yoneyama

Shoichi Seo

Tomohiro Satou

Satoshi Imada

A porous support-zeolite membrane composite comprising an inorganic porous support and a zeolite membrane provided on, wherein the zeolite membrane contains a zeolite having a microporous structure of 8-membered oxygen ring or less, and a molar ratio of SiO/AlOin the zeolite membrane surface is larger by at least 20 than a molar ratio of SiO/AlOin the zeolite membrane itself, or a water adsorption of the porous support-zeolite membrane composite at a relative pressure of 0.8, as determined from a water vapor adsorption isotherm of the porous support-zeolite membrane composite, is at least 82% of a water adsorption of the porous support-zeolite membrane composite under the same condition as above after one-week immersion of the porous support-zeolite membrane composite in an aqueous 90 mass % acetic acid solution at room temperature.

Porous support-zeolite membrane composite

A lithium secondary battery comprising: a positive electrode and a negative electrode which each has a specific composition and specific properties; and a nonaqueous electrolyte which contains a cyclic siloxane compound represented by general formula (1), fluorosilane compound represented by general formula (2), compound represented by general formula (3), compound having an S&#x2014;F bond in the molecule, nitric acid salt, nitrous acid salt, monofluorophosphoric acid salt, difluorophosphoric acid salt, acetic acid salt, or propionic acid salt in an amount of 10 ppm or more of the whole nonaqueous electrolyte. This lithium secondary battery has a high capacity, long life, and high output. [In general formula (1), Rand Rare an organic group having 1-12 carbon atoms and n is an integer of 3-10. In general formula (2), Rto Rare an organic group having 1-12 carbon atoms; x is an integer of 1-3; and p, q, and r each are an integer of 0-3, provided that 1&#x2266;p+q+r&#x2266;3. In general formula (3), Rto Rare an organic group having 1-12 carbon atoms and symbol A is a group constituted of H, C, N, O, F, S, Si, and/or P.]

Lithium secondary batteries and nonaqueous electrolyte for use in the same

A lithium secondary battery is provided. The battery comprises: a positive electrode and a negative electrode which each has a specific composition and specific properties; and a nonaqueous electrolyte which contains a cyclic siloxane compound of formula (1), a fluorosilane compound of formula (2), a compound of formula (3), compound having an S&#x2014;F bond in the molecule, nitric acid salt, nitrous acid salt, monofluorophosphoric acid salt, difluorophosphoric acid salt, acetic acid salt, or propionic acid salt in an amount of 10 ppm or more of the whole nonaqueous electrolyte. 

A process for producing an alkylene glycol which comprises a step of reacting an alkylene oxide with water in the presence of a catalyst, wherein the catalyst comprises an anion-exchange resin comprising: a polymer of a vinylaromatic compound as a substrate; and quaternary ammoniums group each bonded to the respective aromatic groups of the polymer substrate via a connecting group having a chain length of three or more atoms.

Process for producing alkylene glycol

The present invention relates to a method of producing an aromatic carbonate by reacting an aromatic hydroxy compound, carbon monoxide and oxygen using as a catalyst a specified catalyst system containing palladium and cerium compounds. Specifically, the present invention relates to a method of producing an aromatic carbonate by reacting an aromatic hydroxy compound, carbon monoxide and oxygen in the presence of a catalyst containing the following compounds:

Method of producing aromatic carbonate

The present invention relates to a method of producing an aromatic carbonate by reacting an aromatic hydroxy compound, carbon monoxide and oxygen using a catalyst system for suppressing the production of aryl aromatic o-hydroxycarboxylate as a by-product. The catalyst system consists of the following compounds:

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Inashiki-gun, Japan

Hidekazu Miyagi