Daikin Industries, Ltd.

Makoto Hanazawa

Fumihiko Yamaguchi

Yasuo Itami

Kazunori Hayashi

Kazuyuki Satou

Tsuneo Yamashita

Eiji Sakamoto

Teruyuki Fukuda

Kazuko Aoki

Saya Nii

Kouji Nagashima

Ami Imamura

A curable composition including a compound having a perfluoropolyether group and a curable moiety, and a curable resin and/or a curable monomer, wherein an organic solvent having no radical reactive group is not substantially contained. The curable composition is capable of forming a surface-treating layer that is in a lower clouded state.

Curable composition, process for producing same, and article produced therewith

There is provided volume holographic data recording media having a recording layer which is capable of recording interference fringes generated by interference of light having excellent coherence as fringes having different refractive indexes and undergoes holographic data recording by an amount of spatial shift distance of not more than 3 &#x3bc;m which is smaller than that of conventional media.

Volume holographic data recording media

The present invention provides a fluorine-containing volume holographic data recording material making it unnecessary to provide a step of eliminating a specific solvent even in the case of a thick film, and having high hologram performance and good dynamic range. There is provided a composition comprising a base polymer (a), a liquid monomer (b) and a photo-initiator (c), wherein the base polymer (a) is an amorphous polymer comprising a fluorine-containing monomer as a structural unit and having a fluorine content of 26 to 80% by mass, the liquid monomer (b) comprises at least one liquid monomer (b1) initiating polymerization by means of activated species generated from the photo-initiator (c), the photo-initiator (c) is a compound causing the liquid monomer (b1) to initiate polymerization by exposure to light having excellent coherence and, and a refractive index of the liquid monomer (b) is higher than an average refractive index of a mixture of the base polymer (a) and the photo-initiator (c).

Composition for fluorine-containing volume holographic data recording material and fluorine-containing volume holographic data recording media made of same

The present invention provides a fluoroalkyl-group-containing compound that has high water solubility and is highly capable of reducing the surface tension of an aqueous composition. Specifically, the invention relates to a compound represented by formula (1):W&#x2014;CF&#x2014;X&#x2014;(CHCHO)&#x2014;Y&#x2003;&#x2003;(1)wherein n is an integer from 2 to 6; W is a hydrogen atom or a fluorine atom; X is -M-O&#x2014; (wherein R is a lower alkyl a group; and M is an alkylene group optionally substituted with a hydroxyl group), etc.; a is an integer from 10 to 50; and Y is a substituted or unsubstituted alkyl group having 4 to 19 carbon atoms, -M'-CF&#x2014;W (wherein m is an integer from 2 to 6; W&#x2032; is a hydrogen atom or a fluorine atom; and M&#x2032; is an alkylene group optionally substituted with a hydroxyl group), etc.;

Fluorine-containing water-soluble nonionic surface-active compounds, use thereof and process for preparation of the compounds

A perfluoropolyether-containing composition, which can easily conform to a fluorine-free substrate and can form a film on a surface of the substrate to fix the composition to the substrate surface, wherein the composition is a carbon-carbon double bond-containing composition comprising (A) a triisocyanate prepared by trimerizing a diisocyanate, and (B) a combination of at least two active hydrogen-containing compounds, and the component (B) comprises (B-1) a perfluoropolyether having at least one active hydrogen, and (B-2) a monomer having active hydrogen and a carbon-carbon double bond.

Surface treatment composition and preparation thereof

A graft polymer, which is obtained by grafting a branch polymer having a fluoroalkyl group onto a trunk polymer through a linkage having a &mdash;C(&boxH;O)NH&mdash; group, gives a solvent-based water- and oil-repellent composition having high water- and oil-repellency, high product stability and high dilution stability.

Graft polymer, process for the production thereof and solution-type water-and oil-repellent compositions containing the polymer

A solvent-based water- and oil-repellent agent composition, which contains a graft copolymer having a repeating unit derived from a vinyl monomer having a perfluoroalkyl group and a repeating unit derived from a polymerizable cyclic acid anhydride and an organic solvent, has high product stalibity and high dilution stability and can give high water- and oil-repellency.

Growing community of inventors

Settsu, Japan

Makoto Hanazawa