Mitsubishi Chemical Corporation

Takanao Matsumoto

Takayuki Aoshima

Naoki Suzuki

Yasuko Nakajima

Teruhiko Ohara

Naoki Sugai

Hiroto Itou

Masaru Utsunomiya

Kiminori Kawakami

Shigeki Nitta

Yasuyo Saito

Ryusuke Aoyama

Katsumi Nakashiro

Syuuichi Yunomura

Yuusuke Izawa

Soichiro Yamada

The invention relates to a method for producing a biomass-resource-derived polyurethane, which comprises: reacting a dicarboxylic acid and an aliphatic diol to produce a polyester polyol; and reacting the polyester polyol and a polyisocyanate compound, wherein the dicarboxylic acid contains at least one component derived from biomass resources, a content of an organic acid in the dicarboxylic acid is more than 0 ppm and not more than 1,000 ppm relative to the dicarboxylic acid, and a pKa value of the organic acid at 25&#xb0; C. is not more than 3.7.

Biomass-resource-derived polyurethane, method for producing same, and biomass-resource-derived polyester polyol

The invention relates to a method for treating a solution containing a saccharide comprising a heat treatment step of heating the saccharide solution at a temperature of 100&#xb0; C. or higher and 180&#xb0; C. or lower and a reduction step of reacting a reducing agent with the saccharide solution heated in the heat treatment step, a method for producing a treated saccharide solution using the treatment method, a treated saccharide solution obtained through treatment by the treatment method, a method for producing an organic compound comprising an organic-matter production step of obtaining an organic compound by causing a microorganism capable of producing organic matter to act on an organic raw material containing the treated saccharide solution and a method for culturing a microorganism using the treated saccharide solution as a carbon source.

Treatment method of saccharide solution

Provided are a method for treating a saccharide solution, which comprises subjecting a saccharide solution containing at least one selected from the group consisting of a carbonyl compound and an unsaturated alcohol other than a saccharide to hydrogenation reaction to hydrogenate the carbonyl compound and/or the unsaturated alcohol contained in the saccharide solution, a hydrogenated saccharide solution obtained by treating with the treatment method, and a method for producing an organic compound having a process of obtaining the organic compound by acting a microorganism having an organic material producing ability on an organic raw material containing the hydrogenated saccharide solution.

Method for treating sugar solution, hydrogenated sugar solution, method for producing organic compound, and method for culturing microorganisms

There is provided a catalyst for producing ethylene oxide from ethylene which is composed of at least silver (Ag), cesium (Cs), rhenium (Re) and a carrier, and can be improved, in particular, in selectivity. The present invention relates to a catalyst for producing ethylene oxide from ethylene, comprising at least silver (Ag), cesium (Cs), rhenium (Re) and a carrier, said catalyst being produced by optionally pretreating the carrier to support an alkali metal thereon and then supporting Ag, Cs and Re on the carrier, wherein the carrier has a specific surface area of 0.6 to 3.0 m/g and a weight ratio of a silicon (Si) content to a sodium (Na) content of 2 to 50 in terms of SiO/NaO; a content of Re in the catalyst is 170 to 600 ppm per 1 m/g of the specific surface area of the carrier on the basis of a weight of the carrier; and a molar ratio of Cs to Re in the catalyst is 0.3 to 19.

Catalyst for producing ethylene oxide, process for producing the catalyst and process for producing ethylene oxide

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Kanagawa, Japan

Takanao Matsumoto