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Patent Searching and Data


Title:
OILY RED INK COMPOSITION
Document Type and Number:
Japanese Patent JP2011127050
Kind Code:
A
Abstract:

To provide an oily red ink composition suitable for a paint marker or the like which has low viscosity, and excellent in concealment properties and ink stability.

The oily red ink composition includes: a titanium oxide base whose average particle size is 0.21-0.50 μm in which titanium oxide with which alumina treatment has been performed at least as a concealment agent is dispersed by polyvinyl butyral as a dispersant to a lower alcohol; a red pigment base whose average particle size is 0.21-0.50 μm in which C.I. Pigment Red 254 as a red pigment is dispersed by polyvinyl butyral whose average degree of polymerization is at least 100 and at most 400 to a lower alcohol; a fixing resin, and has 10-50 mPa s of ink viscosity.


Inventors:
MIZOGUCHI TATSUYA
Application Number:
JP2009288665A
Publication Date:
June 30, 2011
Filing Date:
December 21, 2009
Export Citation:
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Assignee:
MITSUBISHI PENCIL CO
International Classes:
C09D11/00
Attorney, Agent or Firm:
Eisuke Fujimoto
Masayoshi Kanda
Akio Miyao
Nobuyuki Baba