Dainichiseika Color & Chemicals Mfg. Co., Ltd.

Kyoritsu Chemical Co., Ltd.

Yosuke Ichinomiya

Yoshihiko Iijima

Kozaburo Hayashi

Nobuyuki Kobayashi

Shinya Tsuchida

Takanori Sannan

Seiji Doi

Taichi Uemura

An aqueous liquid composition contains a water-based medium containing water, a polymer having at least one type of groups selected from hydroxyl groups and amino groups, and phosphonobutanetricarboxylic acid. The aqueous liquid composition contains low-cost materials having low environmental load, can retain adequate viscosity even when stored over a long term, and can form a functional coating film having excellent adhesiveness to a base material and superb durability, solvent resistance and waterproofness and capable of exhibiting various functions led by electrical conductivity and hydrophilicity.

Aqueous liquid composition, aqueous coating, functional coating film, and composite material

Provided is an aqueous liquid composition including a water-based medium containing water, a polymer having at least one type of groups selected from hydroxyl groups and amino groups, and phosphonobutanetricarboxylic acid. The polymer is at least one polymer selected from the group consisting of a polysaccharide, polyamino acid, polyvinyl alcohol, polyallylamine, polyvinylamine, a polyamidine, a polyethylenimine, and their derivatives.

Aqueous liquid composition, aqueous coating liquid, functional coating film and composite material

An aqueous liquid composition contains a water-based medium containing water, chitosan and/or a chitosan derivative, and a polymeric acid, and has a pH of not higher than 4.5. The aqueous liquid composition contains low-cost materials having low environmental load, can retain adequate viscosity even when stored over a long term, and can form a functional coating film having excellent adhesiveness to a base material and superb durability, solvent resistance and waterproofness and capable of exhibiting various functions led by electrical conductivity and hydrophilicity.

A coating formulation for forming a conductive coating film on a surface of a collector for constructing an electrode plate for an electricity storage device is provided. The coating formulation contains (A) a polymeric acid, (B) a vinyl carboxylate copolymer represented by the following formula (1): wherein Ris selected from the group consisting of H, Na, organic groups derived from vinyl carboxylate monomers, and cations capable of forming electrolytes for the electricity storage device, Rto Rare independently selected from the group consisting of H, Na, C-Calkyl groups, and cations capable of forming electrolytes for the electricity storage device, and a ratio (m/n) of m to n is from 0.0001 to 1, (C) a conductive material, and (D) a polar solvent.

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Tokyo, Japan

Yosuke Ichinomiya