Ink composition for marking pen

Details Ink composition for marking pen Ink composition for marking pen

1996-09-09

1998-06-09

Klemanski, Helene

Compositions: coating or plastic

Coating or plastic compositions

Marking

106 3167, 106 3188, 106 3195, C09D 1116

Patent

active

057626944

ABSTRACT:
An ink composition according to the present invention includes (1) a leafing type fine metal powder having a median particle size of from about 4 .mu.m to about 11 .mu.m, the powder being present in an amount, relative to the total amount of the ink composition, within the range of from about 10% to about 38% by weight, the powder being selected from a copper alloy, aluminum, copper, or zinc whose surface is treated by a saturated fatty acid having 16 to 22 carbon atoms, or salts thereof. The ink composition further includes (2) a petroleum resin having iodine value of not more than 30 (g/100 g), whereby the resin is present in an amount, relative to the total amount of the ink composition, within the range of from about 10% to about 30% by weight; (3) at least two kinds of hydrocarbon solvents, whereby the solvents are present in an amount, relative to the total amount of the ink composition, within the range of from about 32% to about 80% by weight.

REFERENCES:
patent: 1752462 (1930-04-01), Smith
patent: 4180407 (1979-12-01), Gibson et al.
patent: 4490177 (1984-12-01), Shioi et al.
patent: 4604139 (1986-08-01), Shioi et al.
patent: 4657591 (1987-04-01), Shioi et al.
patent: 5474603 (1995-12-01), Miyashita et al.

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