Dainippon Ink and Chemicals, Incorporated

Yamamura Glass Co., Ltd.

Kawamura Institute of Chemical Research

Other

Toray Industries, Inc.

Yutaka Hashimoto

Masayuki Kamei

Kazunori Tanaka

Kiyofumi Takano

Toshihiko Umaba

Torao Higuchi

Masanobu Yumoto

Yutaka Kamada

Hiromu Chano

Jun Shirakami

Tsutomu Matsubara

Sigeo Kawaguchi

Shigeo Kawaguchi

Hatsuyuki Tanaka

Yusuke Takano

Mitsuru Kitada

Kenji Nagao

Masato Inoue

Shoshiro Taneichi

Kazuo Kuba

Tadashi Ito

Masatoshi Matsuo

Makoto Ichinose

Tsutomu Imai

Yoshimasa Tanaka

Tomio Endo

An aqueous resin composition is provided which does not use a high boiling point solvent, and yet displays favorable long term stability and excellent film formation, and does not suffer from problems such as skin generation. The aqueous resin composition comprises a water soluble magnesium salt (A) and an aqueous polyurethane (B).

Aqueous resin composition, ink jet recording material and ink jet recording method

An aqueous dispersion of a polyurethane resin obtainable from compounds including: (A) an organic polyisocyanate; (B) a polyester polyol containing an aromatic metal sulfonate group; (C) an aliphatic polyol being free from aromatic metal sulfonate and having a hydroxyl value of from 10 to 350; and (D) at least one of a polyamine and a polyol each having a molecular weight of 300 or lower, wherein the content of said aliphatic polyol unit (C) amounts to at least 55% by weight based on the solid content of said polyurethane resin. Also disclosed is an aqueous adhesive comprising the polyurethane resin aqueous dispersion.

Aqueous dispersions of polyurethane resins and aqueous adhesives

The invention provides a surface active agent containing fluorine, which is a copolymer composed of several ethylenic unsaturated monomers containing a fluorinated alkyl group, a silicone chain, and a polyoxyalkylene group, and the surface loss energy of which is less than 110&times;10 mJ in an organic solvent. The copolymer of the surface active agent is soluble to water and in various organic solvents, and has a good compatibility with other ingredients used to form the coating compositions. The present surface active agent reduces the dynamic surface tension of the coating composition, and thereby, have a good foam-preventing property, coating compositions containing the present surface active agent yield coated films with uniform and smooth level surfaces without forming irregularity and striation even by coating operations at high speed and high shearing force.

Surface active agent containing fluorine and coating compositions using the same

A fire extinguishing composition is provided which, when compared with conventional fire extinguishing compositions, displays superior rapid fire extinguishing performance, flame resistance, fuel resistance and reignition prevention for both non-polar solvent fires and polar solvent fires, and also displays superior stability as a diluted solution. The fire extinguishing composition comprises a cationic polyamine based high molecular weight compound (A) which incorporates primary, secondary, and tertiary cationic groups within each molecule, and the primary cationic groups account for no more than 40% by weight of all the cationic groups.

Fire extinguishing composition

The invention provides a surface active agent containing fluorine, which is a copolymer composed of several ethylenic unsaturated monomers containing a fluorinated alkyl group, a silicone chain, and a polyoxyalkylene group, and the surface loss energy of which is less than 110&times;10,mJ in an organic solvent. The copolymer of the surface active agent is soluble to water and in various organic solvents, and has a good compatibility with other ingredients used to form the coating compositions. The present surface active agent reduces the dynamic surface tension of the coating composition, and thereby, have a good foam-preventing property, coating compositions containing the present surface active agent yield coated films with uniform and smooth level surfaces without forming irregularity and striation even by coating operations at high speed and high shearing force.

The anti-reflective coating composition comprising at least perfluoroalkylsulfonic acid (A) represented by the general formula: C,F,SO,H (n is an integer of 4 to 8), organic amine (B), water-soluble polymer (C), perfluoroalkyl sulfonamide (D) represented by the general formula: C,F,SO,NH,(n is an integer of 1 to 8) and water (E) and having a pH value of 1.3 to 3.3 is applied onto a photoresist film formed on a substrate, thus forming an anti-reflective coating. The photoresist and anti-reflective coating are then exposed to light and developed to give a resist pattern. The coating composition can form a uniform anti-reflective coating free of standing wave, multiple reflection, T-top and PED (Post Exposure Delay) in a small amount of drip onto any types of resists regardless of the surface shape of a substrate.

Composition for reflection reducing coating

The invention provides a surface active agent containing fluorine, which is a copolymer composed of several ethylenic unsaturated monomers containing a fluorinated alkyl group, a silicone chain, and a polyoxyalkylene group, and the surface loss energy of which is less than 110.times.10.sup.-5 mJ in an organic solvent. The copolymer of the surface active agent is soluble to water and in various organic solvents, and has a good compatibility with other ingredients used to form the coating compositions. The present surface active agent reduces the dynamic surface tension of the coating composition, and thereby, have a good foam-preventing property, coating compositions containing the present surface active agent yield coated films with uniform and smooth level surfaces without forming irregularity and striation even by coating operations at high speed and high shearing force.

Surface active agent containing fluorine and coating compositions using

A method for improving mechanical strength of a glass article includes coating an active energy ray-curable composition of a silane coupling agent, a curable compound and water on the glass article, and then curing with irradiated active energy ray.

Method for improving mechanical strength of glass articles

The composition of the present invention is curable by active energy ray. It is a mixture including a coupling agent, an active energy ray-curable compound and water. A glass article will show improved mechanical strength if it is coated with the composition of the present invention and irradiated with active energy ray to cure the coating.

Active energy ray-curable composition and applicable method

A curing composition for reinforcing an inorganic oxide material or a flawable base is disclosed. The composition comprises a curing compound emulsified and dispersed in water with or without the aid of an emulsifier or a water-soluble high polymer. The composition has excellent preservation stability and is free from the risk of fire or environmental pollution. The process for reinforcing an inorganic oxide material or a flawable base using the composition is also disclosed.

Curing composition

The present invention provides a curable composition for use in optical fiber cladding comprising 48.8.about.92.9 wt % of 2-(perfluorooctyl) ethyl acrylate (I), 1.3.about.23.8 wt % of 2,2,3,3-tetrafluoroproprylacrylate (II), 5.0.about.30.0 wt % of trimethylolpropane triacrylate (III), and 0.1.about.5.0 wt % of photopolymerization initiator (IV), wherein the weight ratio [(I)/(II)] of monomer (I) and monomer (II) is within a range of from 75/25 to 98/2, and an optical fiber having cladding formed by the hardening of this curable composition and a core comprising quartz.

Curable composition for use in optical fiber cladding and optical fiber

A curing composition comprising (1) a fluorine-containing curing monomer containing a fluorinated alkyl group having not less than 6 carbon atoms, (2) a fluorine-containing curing monomer containing a fluorinated alkyl group having not more than 5 carbon atoms, and (3) a polyfunctional curing monomer, the weight ratio of said fluorine-containing curing monomer (1) to said fluorine-containing curing monomer (2) ranging from 75/25 to 99/1. The composition is coated on an optical fiber base and cured by active energy rays to provide a core/clad optical fiber excellent in transparency, mechanical strength, environmental resistance, and optical characteristics.

Optical fiber coating composition

A method of increasing the pressure-resistant strength and impart strength of a glass container, which comprises treating the surface of the glass container with a silane coupling agent, applying a coating material comprising a reactive compound having at least two (meth)acryloyl groups in the molecule to the treated glass container, and subjecting it to irradiation of an activated energy ray to cure the coating material applied; and a method of increasing the pressure-resistant strength and impact strength of a glass container, which comprises applying a coating material comprising a silane coupling agent and a reactive compound having at least two (meth)acryloyl groups in the molecule to the surface of the glass article, and then subjecting the coated glass container to irradiation of an activated energy ray to cure the coating.

Method of increasing the dynamical strength of glass container

A method of increasing the pressure-resistant strength and impact strength of a glass container, which comprises treating the surface of the glass container with a silane coupling agent, applying a coating material comprising a reactive compound having at least two (meth)acryloyl groups in the molecule to the treated glass container, and subjecting it to irradiation of an activated energy ray to cure the coating material applied; and a method of increasing the pressure-resistant strength and impact strength of a glass container, which comprises applying a coating material comprising a silane coupling agent and a reactive compound having at least two (meth)acryloyl groups in the molecule to the surface of the glass article, and then subjecting the coated glass container to irradiation of an activated energy ray to cure the coating.

Growing community of inventors

Sakai, Japan

Yutaka Hashimoto