Daikin Industries, Ltd.

Tsuyoshi Itagaki

Tsuyoshi Noguchi

Takafumi Yamato

Kazuyoshi Kawasaki

Katsuhiko Iseki

Mitsuru Kishine

Masaki Irie

Yasuo Itami

Kazuyuki Sato

Kenji Adachi

Sumi Ishihara

Yoshichika Kuroki

There is provided a material which is free from fading into white due to surface scattering and is useful as a laminated article having excellent adhesion and practical low reflection. A fluorine-containing compound which has a hydrolyzable metal alkoxide moiety and is represented by the formula (1): wherein Xand Xare the same or different, and each is H or F; Xis H, F, CHor CF; Xand Xare the same or different, and each is H, F or CF; Rfis a fluorine-containing alkyl group having 1 to 40 carbon atoms or a fluorine-containing alkyl group having 2 to 100 carbon atoms and ether bond, which is an organic group in which 1 to 3 hydrogen atoms are replaced by Ywhere Yis a functional group having, at its end, at least one hydrolyzable metal alkoxide moiety having 1 to 10 carbon atoms; a is 0 or an integer of 1 to 3; b and c are the same or different, and each is 0 or 1, a curable fluorine-containing polymer obtained from the above-mentioned compound, and a curable fluorine-containing resin composition comprising the polymer.

Fluorine-containing compound having hydrolyzable metal alkoxide moiety, curable fluorine-containing polymer prepared from the same compound, and curable fluorine-containing resin composition comprising the same polymer

To provide a novel crosslinking system of fluorine-containing elastomer giving a crosslinked product particularly having improved mechanical strength and compression set at high temperature. A fluorine-containing rubber composition comprising a fluorine-containing elastomer having carboxyl group and/or alkoxycarbonyl group at an end of a trunk chain and/or branched chain as a crosslinkable group.

Fluorine-containing elastomer and composition thereof for crosslinking

The present invention provides novel fluorosulfonic acids and salts thereof having greater stability and higher acidity than conventional fluorosulfonic acids; and synthetic intermediates thereof. The invention also provides processes for producing novel fluorosulfonic acids from which various derivatives can be easily synthesized; and uses of these fluorosulfonic acids. Specifically, the invention provides a compound represented by formula (1):R&#x2014;S(&#x2550;O)&#x2014;CF&#x2014;SOH&#x2003;&#x2003;(1)wherein R is a group bound to an adjacent sulfur atom through a carbon atom, examples of R being an optionally substituted alkyl group, an optionally substituted haloalkyl group, an optionally substituted alkenyl group, an optionally substituted haloalkenyl group, an optionally substituted alkynyl group, an optionally substituted haloalkynyl group, an optionally substituted cycloalkyl group, etc.; and n is 1 or 2. The invention also provides salts of such a compound, etc.

Fluorosulfonic acid compound, process for producing the same, and use thereof

An elastomer composition for crosslinking which comprises (A) a compound having at least two crosslinkable reactive groups represented by the formula (I):wherein Rare the same or different and each is fluorine atom or a monovalent organic group, and (B) an elastomer having a curing site capable of reacting with the crosslinkable reactive group (I). The composition provides a crosslinked article which possesses improved mechanical strength and heat resistance and has excellent chemical resistance.

Fluoroelastomer composition for crosslinking

A crosslinkable elastomer composition which provides a crosslinked product with improved mechanical strength and heat resistance, comprising,

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Tsukuba, Japan

Tsuyoshi Itagaki