Ink composition for oil marking pen

Details Ink composition for oil marking pen Ink composition for oil marking pen

1997-12-08

2000-03-21

Marquis, Melvyn I.

Compositions: coating or plastic

Coating or plastic compositions

Marking

106 3186, C09D 1100

Patent

active

060397950

ABSTRACT:
An ink composition for an oil marking pen is provided which comprises a coloring agent, an organic polar solvent, an oil-soluble resin and an organically modified silicone as principal components thereof. The organically modified silicone is selected from dimethyl silicone, alkyl-modified silicones, polyether-modified silicones such as a polyoxypropylene modified silicone and the like, and is contained in the ink composition in a proportion of 0.005 wt % to 10 wt %. The organic polar solvent is selected from alcohol solvents and glycol ether solvents. The oil-soluble resin is selected from ketone resins, phenol resins, xylene resins, rosin resins, styrene-organic acid copolymers and polyacrylates. The ink composition of the present invention is excellent in the ink film fixability when applied on a nonabsorbent surface such as a metal surface or a plastic surface, and suitable for oil marking pens.

REFERENCES:
patent: 4338133 (1982-07-01), Toyoda et al.
patent: 4589920 (1986-05-01), Kanada et al.
Kirk-Othmer, Concise Encyclopedia of Chemical Technology, pp. 1062-1063 (1983).

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