Title:
BLACK MATERIAL, BLACK PARTICLE DISPERSION LIQUID, BLACK LIGHT-BLOCKING FILM USING SAME, AND BASE WITH BLACK LIGHT-BLOCKING FILM
Document Type and Number:
WIPO Patent Application WO/2006/033304
Kind Code:
A1
Abstract:
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.
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Inventors:
TAKEDA YOSUKE (JP)
KINOSHITA TOORU (JP)
NAKANO TOYOMASA (JP)
NUKUI HIDEKI (JP)
KINOSHITA TOORU (JP)
NAKANO TOYOMASA (JP)
NUKUI HIDEKI (JP)
Application Number:
PCT/JP2005/017176
Publication Date:
March 30, 2006
Filing Date:
September 16, 2005
Export Citation:
Assignee:
SUMITOMO OSAKA CEMENT CO LTD (JP)
TAKEDA YOSUKE (JP)
KINOSHITA TOORU (JP)
NAKANO TOYOMASA (JP)
NUKUI HIDEKI (JP)
TAKEDA YOSUKE (JP)
KINOSHITA TOORU (JP)
NAKANO TOYOMASA (JP)
NUKUI HIDEKI (JP)
International Classes:
C09C1/62; B22F1/00; B22F1/102; B22F1/16; C03C17/06; C09D7/61; C09D17/00; C09D201/00; C22C5/06; C22C13/00
Foreign References:
JPH10114881A | 1998-05-06 | |||
JP2002266002A | 2002-09-18 | |||
JP2003268402A | 2003-09-25 | |||
JPH1090511A | 1998-04-10 |
Attorney, Agent or Firm:
Shiga, Masatake (Yaesu Chuo-ku, Tokyo 53, JP)
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