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Patent Searching and Data


Title:
OIL BASED INK COMPOSITION
Document Type and Number:
Japanese Patent JPH10120962
Kind Code:
A
Abstract:

To provide an oil based ink composition having excellent drying characteristics of a print, distinct stamping characteristics to a stamping surface which has low absorptivity, usable as a stamping ink free from decreasing of the stamping characteristics while opening the stamping ink bed for a long time, as a marking ink from inhibition of writing caused by dry up of the penpoint, in addition, as an ink for a ballpoint pen having excellent drying characteristics and free from troubles of bleeding of ink on the adhered as a ink for an ink jet, etc.

This ink composition consists of 20-95wt.% of a solvent comprising at least one selected from among alcohols, ethers, esters having vapor pressure of 0.005-45mmHg at 20°C, and having 13.0-20.0 of variance term δd, 1.0-10.0 of polarity term δp and, 5.0-20.0 of hydrogen bond term δh in Hansen's three dimensional solubility parameter, 0.001-10wt.% of an additive agent suppressing solvent vaporization containing ester derivatives of polyvalent alcohols, 0.001-30wt.% of at least one kind of additives selected from a group consisting of solvent soluble resins and surfactants, and 1-50wt.% of coloring agents.


Inventors:
ICHIKAWA HIDETOSHI
Application Number:
JP27488396A
Publication Date:
May 12, 1998
Filing Date:
October 17, 1996
Export Citation:
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Assignee:
MITSUBISHI PENCIL CO
International Classes:
B41K1/54; B43K8/02; C09D11/00; C09D11/02; C09D11/033; C09D11/037; C09D11/16; B41J2/01; C09D11/17; C09D11/322; C09D11/326; C09D11/328; C09D11/36; C09D11/38; (IPC1-7): C09D11/16; B41J2/01; B41K1/54; B43K8/02; C09D11/00; C09D11/02
Attorney, Agent or Firm:
藤本 博光 (外1名)