Asahi Glass Company, Limited

Agc Inc.

Akinobu Kunimoto

Norihide Sugiyama

Hiromasa Yamamoto

Takeshi Yamada

Taiki Hoshino

Eisuke Murotani

Daisuke Jomuta

Nobuyuki Otozawa

To provide a novel fluorinated aromatic compound having at least two carbon-carbon unsaturated bonds, a method for its production, a curable material comprising the fluorinated aromatic compound, a cured product thereof, and an optical member. The fluorinated aromatic compound is represented by formula (A), wherein n is an integer of 0 to 6, a is an integer of 0 to 5, b is an integer of 0 to 4, c is an integer of 0 to 4, a+c+n is 2 to 6, a+b is 2 to 9, Z is a single bond, &#x2014;O&#x2014;, &#x2014;S&#x2014;, &#x2014;CO&#x2014;, &#x2014;C(CH)&#x2014;, &#x2014;C(CF)&#x2014;, &#x2014;SO&#x2014;, or &#x2014;SO&#x2014;, Rfis a Cfluoroalkyl group, Yand Yare each independently a group represented by formula (1) (s is 0 or 1, and R, R, R, and Rare each independently a hydrogen atom or a fluorine atom), and F in the aromatic ring indicates that hydrogen atoms in the aromatic ring are all substituted by fluorine atoms. 

Fluorinated aromatic compound, method for its production, curable material, its cured product, and optical member

To provide a crosslinkable fluorinated elastomer composition which is excellent in crosslinking reactivity and of which a crosslinked product is excellent in heat resistance and chemical resistance. The crosslinkable fluorinated elastomer composition comprises a fluorinated elastomer (e.g. a tetrafluoroethylene/perfluoro(alkyl vinyl ether) copolymer) and an aromatic compound having at least two crosslinkable unsaturated double bonds (e.g. a compound represented by the formula (A-1)), and the crosslinked product is one obtained by crosslinking the crosslinkable fluorinated elastomer composition.

Crosslinkable fluorinated elastomer composition and crosslinked product thereof

To provide a fluorinated ether compound, a fluorinated ether composition and a coating liquid, whereby it is possible to form a surface-treated layer which has high initial water/oil repellency and which is excellent in abrasion resistance and fingerprint stain removability, and a substrate having a surface-treated layer and a method for its production. A fluorinated ether compound which has a poly(oxyperfluoroalkylene) chain ((&#x3b1;&#x3b2;)) made of at least two units (&#x3b1;&#x3b2;) linked to one another, and which has a hydrolysable silyl group on at least one terminal of the chain ((&#x3b1;&#x3b2;)) via a linking group, wherein each unit (&#x3b1;&#x3b2;) is a poly(oxyperfluoroalkylene) group comprising one to three groups (&#x3b1;) made of at least one type of a Coxyperfluoroalkylene group and one to three groups (&#x3b2;) made of at least one type of a Coxyperfluoroalkylene group.

Fluorinated ether compound, fluorinated ether composition and coating liquid, and substrate having surface-treated layer and method for its production

Growing community of inventors

Chiyoda-ku, Japan

Akinobu Kunimoto