Kansai Paint Company, Ltd.

Akihiko Yamanouchi

Yoshiyuki Yukawa

Isao Kamimori

Yuko Hoshida

Yoshio Nakajima

Akio Nakamura

Ikko Matsubara

To provide a method for color-matching a paint having brilliant feeling whose reference blend is already known and which contains a brilliant material, comprising (1) a step of obtaining the liquid color measurement data for an enamel paint not containing a brilliant material in accordance with a paint blend excluding the brilliant material and if necessary, a paint additive from a reference paint blend of a paint having brilliant feeling whose reference paint blend is already known, (2) a step of obtaining a toned enamel paint adjusted to the liquid color measurement data for the enamel paint by blending and toning a paint material such as an elementary color paint excluding a brilliant material and if necessary, a paint additive on the basis of the liquid color measurement data for the enamel paint, and (3) a step of color-matching a paint having brilliant feeling by adding a brilliant material and if necessary, a paint additive to the toned enamel paint.

Color-matching method of paint having brilliant feeling

This invention provides both a pigment dispersing resin which is a copolymer of:

Pigment dispersing resin

This invention relates to the use of a copolymer of polymerizable unsaturated monomer containing at least one kind of ionic functional group selected from the group consisting of quaternary ammonium salt group and sulfonic acid group, nonionic polymerizable unsaturated monomer having polyoxyalkylene chain, and other ethylenically unsaturated monomer, as a pigment dispersing resin for water-based paint or water-based ink.

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Hiratsuka, Japan

Akihiko Yamanouchi