Nippon Shokubai Co., Ltd.

Nippon Shokubai Kagaku Kogyo Co., Ltd.

Dai-Ichi Kogyo Seiyaku Co., Ltd.

Koichiro Saeki

Ichimoto Akasaki

Koji Nagaoka

Takashi Miyai

Asutosh Nigam

Michiyuki Kono

Takuya Saeki

Masahito Nishiura

Manabu Kikuta

Masahito Takagi

Taketo Toba

Fumihide Tamura

Kazuo Takei

Toshiaki Kuriyama

Masakazu Morimoto

Hidetaka Nakanishi

Kenta Kanaida

Shigetaka Takamiya

Makoto Mizushima

Masashi Yukitake

Ravi Renduchintala

Chien-Chang David Yao

The present invention provides a production process, in which, when an ethylene oxide copolymer is obtained, conditions for obtaining this copolymer having a desirable molecular weight with ease and good reproducibility are provided. The production process for an ethylene oxide copolymer, according to the present invention, comprises the step of carrying out polymerization of a monomer mixture under stirring in a solvent, thereby obtaining the ethylene oxide copolymer, wherein the monomer mixture includes ethylene oxide and a substituted oxirane compound of a structural formula (1) as essential raw materials; with the production process being characterized in that the stirring is carried out by a stirring power of not less than 0.6 kW/m.

Production process for ethylene oxide copolymer

Curable resin composition

The present invention provides: an aqueous fast-drying resin composition which is excellent in the fast driability and can exhibit performances with regard to adhesion and resistance on a level with those of solvent type compositions; a production process for the aqueous fast-drying resin composition; and a use of the aqueous fast-drying resin composition as a gravure ink composition. An aqueous fast-drying resin composition comprises an anionic resin, a cationic resin, and a polyvalent metallic compound. In addition, another aqueous fast-drying resin composition comprises an aqueous medium and a resin component wherein the aqueous medium will be removed by drying. In this aqueous fast-drying resin composition, the resin component is combined with a polyvalent metallic compound and includes a combination of an anionic resin and a cationic resin. The production process for the aqueous fast-drying resin composition comprises the step of combining the anionic resin, the cationic resin, and the polyvalent metallic compound. The gravure ink composition comprises the above aqueous fast-drying resin composition and a pigment and/or dye.

Aqueous fast-driable resin composition and its production process and use

The present invention provides an aqueous resin composition, which has good driability, and which is excellent in adhesion and various resistances, particularly, water and solvent resistances. The aqueous resin composition comprises a combination of: an anionic resin and/or an amphoteric resin; a polyoxazoline compound; and a multivalent metal compound.

Aqueous resin composition

The present invention provides a novel amino-group-containing polymer (salt) and a production process therefor wherein the amino-group-containing polymer (salt) is a product by a process including the step of introducing amino groups into a grafted polymer having a polyether skeleton, and can make good use of the reactivity or cationic property of at least primary amino groups and further, according to circumstances, secondary amino groups, and further can display various performances, such as curability useful for various uses and adsorbency onto films or fibers. The novel amino-group-containing polymer (salt) is a product by a process including the steps of: carrying out a graft polymerization of a monoethylenically unsaturated monomer component onto a polyether compound, wherein the monoethylenically unsaturated monomer component includes an unsaturated carboxylic monomer as an essential component, and wherein the polyether compound has a specific repeating unit in a ratio of not less than 30 mol % and has a number-average molecular weight of not less than 150; and introducing amino groups by carrying out a ring-opening addition of an alkylenimine to at least a part of carboxyl group portions of the monoethylenically unsaturated monomer component which has been graft-polymerized onto the polyether compound, wherein at least a part of the amino groups might be neutralized with an acid.

Amino-group-containing polymer (salt) and production process therefor

The present invention provides a curable resin composition and its application to laminate film, which can form a coating film having excellent performances such as adhesion to various substrates at a low temperature of 150.degree. C. or lower, water resistance and chemical resistance, can be suitably used for various purposes of use, and can be used safely. The curable resin composition comprises a carboxyl group-containing polymer and an oxazoline group-containing polymer, and is characterized in that the carboxyl group-containing polymer contains primary and/or secondary amino groups.

Curable resin composition and its use

This invention relates to a curable resin composition comprising (a) grafted primary amino group-containing polymer and (b) a dialkyl oxalate which excels in workability and reactivity and features prominence in resistance to chemicals, weatherability, veratility, etc.

The invention relates to a curable resin composition comprising (a) grafted primary amino group-containing polymer and (b) a dialkyl oxalate which excels in workability and reactivity and features prominence in resistance to chemicals, weatherability, versatility, etc.

A two-component type adhesive agent, comprising a polyvalentepoxy compound and an aqueous liquid of an amino group-containing polymer obtained by modifying a carboxyl group-containing polymer with an alkylene imine and possessed of an activated hydrogen atom.

Two-component type adhesive agent for wood

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Suita, Japan

Koichiro Saeki