Compositions: coating or plastic – Coating or plastic compositions – Marking
Patent
1997-06-09
1999-09-07
Jones, Deborah
Compositions: coating or plastic
Coating or plastic compositions
Marking
106 3127, 106 3186, C09D 1100
Patent
active
059481498
ABSTRACT:
The present invention provides a water-based ink composition in which the wettability, surface tension, antibacterial properties, and other properties are controlled based on a simple formulation. The water-based ink composition of the present invention contains a semi-polar boron compound. Semi-polar boron compounds represented by diglycerin borate exhibit superior wettability in an ordinary environment, and addition of such a compound achieves a water-based ink composition well-balanced in surface tension, wettability, and drying property even if the composition is prepared according to a simple formulation. The optimum quantitative range for addition of the semi-polar boron compound depends on whether the coloring material contained in the watercolor ink composition is a dyestuff or a pigment. When the coloring material is a dyestuff, the quantitative range is preferably 0.5 to 3.0% by weight relative to the entire quantity of the water-based ink composition. When the coloring material is a pigment, the quantitative range is preferably 0.05 to 10% by weight relative to the same.
REFERENCES:
patent: 4920361 (1990-04-01), Arahara et al.
patent: 4962389 (1990-10-01), Kan et al.
patent: 5100468 (1992-03-01), Yuasa et al.
patent: 5108502 (1992-04-01), Pawlowski et al.
Ito Kengo
Nakashinden Hiroyuki
Faison Veronica
Jones Deborah
Sony Corporation
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