BLACK MATERIAL, BLACK PARTICLE DISPERSION LIQUID, BLACK LIGHT-BLOCKING FILM USING SAME, AND BASE WITH BLACK LIGHT-BLOCKING FILM

WIPO Patent Application WO/2006/033304

A1

Disclosed is a black material composed of particles mainly containing an Ag-Sn alloy which includes not less than 47.6% and not more than 90% by weight of Ag, and this black material is characterized in that the particles have an average particle diameter of not less than 1 nm and not more than 300 nm. Also disclosed is a black particle dispersion liquid characterized by containing the black material (particles) and a polyvinyl pyrrolidone (PVP) as a polymer dispersant. Further disclosed are black particles characterized in that the surfaces of the above-described particles are covered with an insulating film which is composed of a metal oxide such as silicon dioxide (silica) and aluminum oxide (alumina), or an organic polymer compound such as a polyamine compound.

JP5170360	Black composite oxide particle powder having infrared reflectivity and a method for producing the same, a black pigment, and a paint and resin composition using the black pigment having infrared reflectivity.
JP2580392	[Title of Invention] Colored metallic pigment

TAKEDA YOSUKE (JP)
KINOSHITA TOORU (JP)
NAKANO TOYOMASA (JP)
NUKUI HIDEKI (JP)

PCT/JP2005/017176

March 30, 2006

September 16, 2005

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SUMITOMO OSAKA CEMENT CO LTD (JP)
TAKEDA YOSUKE (JP)
KINOSHITA TOORU (JP)
NAKANO TOYOMASA (JP)
NUKUI HIDEKI (JP)

C09C1/62; B22F1/00; B22F1/102; B22F1/16; C03C17/06; C09D7/61; C09D17/00; C09D201/00; C22C5/06; C22C13/00

JPH10114881A	1998-05-06
JP2002266002A	2002-09-18
JP2003268402A	2003-09-25
JPH1090511A	1998-04-10

Shiga, Masatake (Yaesu Chuo-ku, Tokyo 53, JP)

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