Title:
CARBON BLACK DISPERSION
Document Type and Number:
Japanese Patent JP3857789
Kind Code:
B2
Abstract:
PROBLEM TO BE SOLVED: To obtain the subject dispersion useful for calligraphy, ink, conductive material, containing water, carbon black and a water-soluble nylon.
SOLUTION: This dispersion comprises at least water or N-methyl-2- pyrrolidone as a dispersion medium, carbon black and a water soluble nylon as a protective colloid for carbon black. The dispersion extremely reduces the amount of a resin as the protective colloid, in the case of use as a solution for calligraphy, improves the movement of a writing brush, provides a beautiful blot, hardly solidifies an ink after allowing a writing brush to stand with the ink and readily loosens the writing brush in reuse. The dispersion, in the case of use as a printing ink, has excellent fluidity, is convenient in handling during printing, causes no problem of corrosion due to the needlessness of the use of calcium chloride as a gelatinization inhibitor and also produces no problem of reduction in pH owing to no use of a PVA.
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Inventors:
Taichi Oya
Application Number:
JP27128597A
Publication Date:
December 13, 2006
Filing Date:
October 03, 1997
Export Citation:
Assignee:
Fusui Paste Industry Co., Ltd.
International Classes:
C08K3/04; C08L77/00; C09C1/56; C09C3/10; C09D11/00; C09D11/023; C09D11/03; C09D11/10; C09D11/102; C09D11/16; (IPC1-7): C09D11/00; C08K3/04; C08L77/00; C09C1/56; C09C3/10
Domestic Patent References:
| JP63207685A | ||||
| JP4325577A | ||||
| JP7188597A | ||||
| JP9185173A |
Attorney, Agent or Firm:
Yasushi Oshima
Shuzo Hinode
Seiji Goto
Shuzo Hinode
Seiji Goto
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