Daikin Industries, Ltd.

Osaka University

Takabumi Nagai

Kenji Adachi

Takashi Shibanuma

Sensuke Ogoshi

Masato Ohashi

Kazuhisa Fujii

Yutaka Ie

Yoshio Aso

Makoto Karakawa

Yosuke Kishikawa

Tomohiro Yoshida

Dai Fukami

Tomomi Irita

Hideaki Asai

An object of the present disclosure is to provide a method for purifying the following fullerene derivative represented by formula (1) that is advantageous in production costs. The object is achieved by the method for purifying the fullerene derivative represented by formula (1) wherein

Purification method

An object of the present invention is to enable the synthesis of various fluorine-containing compounds having an organic group at both terminals of their tetrafluoroethylene structure (&#x2014;CF&#x2014;CF&#x2014;). The present invention provides a fluorine-containing complex compound including

Fluorine-containing complex compound, and production method for fluorine-containing organic compound employing same

An object of the present invention is to provide a novel fullerene derivative usable in n-type semiconductor materials for organic thin-film solar cells and the like. The object is achieved by a fullerene derivative represented by formula (1) wherein Rrepresents aryl optionally substituted with at least one substituent, Rrepresents an organic group, Rrepresents an organic group, with the proviso that at least one of Rand Ris alkyl optionally substituted with at least one substituent or alkyl ether optionally substituted with at least one substituent, Rrepresents hydrogen or an organic group, and a ring A represents a fullerene ring.

Fullerene derivative and n-type semiconductor material

The present invention is a material having excellent performance as an n-type semiconductor material, in particular for organic thin-film solar cells. The present invention provides an n-type semiconductor consisting of a fullerene derivative having a purity of 99% or more, the fullerene derivative being represented by formula (1): 

Fullerene derivative and N-type semiconductor material

The present invention provides a fluorine-containing and silicon-containing polymer of the general formula (A) or (B) (wherein each symbol is as defined in the description) which is useful for forming a surface treatment layer having water-repellency, oil-repellency and antifouling property and excellent surface slip property.

Fluorine-containing, silicon-containing polymer and surface treatment agent

An object of the present invention is to provide a method that enables the easy and efficient (high yield, high selectivity, low cost) preparation of a fluorine-containing olefin substituted with an organic group or groups from a fluorine-containing olefin. [Solution] The method for preparing a fluorine-containing olefin substituted with an organic group or groups, the method comprising a step of reacting a fluorine-containing olefin with an organic boron compound in the presence of an organic transition metal catalyst containing at least one transition metal selected from the group consisting of nickel, palladium, platinum, rhodium, ruthenium, and cobalt.

Preparation method for fluorine-containing olefins having organic-group substituents

This invention relates to a method of reacting fluoroolefin with an organic magnesium compound in the presence of a catalyst comprising nickel or palladium so as to efficiently produce fluoroolefin, such as TFE, in which a fluorine (F) atom or atoms bonded to the sphybridized carbon atom are substituted with an organic group.

Method for producing substituted fluorine-containing olefin

The present invention relates to a surfactant represented by Formula (I): 

Branched surfactant having fluoroalkyl group and hydrocarbon group

The present invention relates to a surfactant represented by Formula (I): [Formula 1] 

The present invention relates to a method for recovering a surfactant from a water-carbon dioxide system comprising at least one type of surfactant, water and carbon dioxide, the method comprising the step of bringing the water-carbon dioxide system into contact with a dehydrating agent to remove water. Furthermore, the present invention relates to a method comprising the steps of installing a device for selectively removing a removal target in a circulation line in which circulated is a mixed system comprising carbon dioxide, a carbon dioxide-compatible surfactant and/or a cosolvent, and a removal target; circulating the mixed system; and selectively removing the removal target that has been incorporated into the surfactant and/or cosolvent.

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Osaka, Japan

Takabumi Nagai