Cqv Co., Ltd.

Kwang-soo Lim

Kil-Wan Chang

Kwang-Choong Kang

Byung-Ki Choi

Byung-ki Choi

Jin-Hyoung Lee

Kum-sung Cho

Min Choi

Yong-Ho Son

Kil-wan Chang

Kwang-choong Kang

Gun-Eik Jang

Man-Su Lee

Nam-Il Lee

Sang-Keun Park

Kyung-don Nam

Jin-Hyung Lee

Eun-Suk Cho

Jae-il Jeong

Bong-Geun Song

Dong-Min Heo

A pearlescent pigment for security purposes according to an embodiment of the present invention includes a single or a plurality of coating layers containing a metal oxide and an organic or inorganic fluorescent material. Since the pearlescent pigment for security purposes according to the present disclosure includes a fluorescent layer containing the organic or inorganic fluorescent material, it can be used as a pigment for security purposes due to its optical characteristics and can also provide effects such as magnetism, high color intensity, multiple colors, etc. Also, since the pearlescent pigment for security purposes has aesthetic benefit and security characteristic at the same time, it is economical, easy to use and applicable in various industries.

Pearlescent pigment for security purposes including organic or inorganic fluorescent material

Disclosed are a glossy pigment having a hollow structure and a method for producing the same. The glossy pigment having a hollow structure according to the present invention comprises: a hollow which penetrates through the center of the inside thereof; and a metal oxide coating layer which covers a part or all of the hollow, wherein the metal oxide coating layer has a hollow structure having a thickness of 0.1-3 &#x3bc;m.

Glossy pigment having hollow structure and method for producing same

Disclosed are a pigment having excellent electrical conductivity and corrosion resistance and a method for preparing the same. The method for preparing a pigment according to the present invention comprises the steps of: (a) stirring and dispersing flakes in water to form a suspension; (b) forming a catalyst layer on surfaces of the flakes; and (c) plating the surfaces of the flakes on which the catalyst layer is formed.

Pigment having excellent electrical conductivity and corrosion resistance and method for preparing same

The present invention relates to a method of preparing a colored gloss pigment using a natural dye. According to the present disclosure, the method may include preparing a dye from a dye material of natural dyes; titrating the dye with an inorganic salt solution and subsequently adjusting a pH neutral to prepare a natural pigment containing the dye; dispersing a substrate coated with a metal oxide into a DI water to form a substrate suspension; and introducing a pH adjusting agent and the natural pigment into the substrate suspension to coat a surface of the substrate with the natural pigment.

Colored glossy pigment using vegetable type natural dye and method for preparing same

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Chungcheongbuk-do, South Korea

Kwang-soo Lim