Oil-based white ink jet recording composition and process for producing the same
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United States of America Patent
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May 14, 2013
Grant Date -
Apr 29, 2010
app pub date -
Mar 26, 2008
filing date -
Mar 29, 2007
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Abstract
The present invention is proposed is an oil-based white ink composition for ink jet recording, comprising a white pigment, a glycol ether dialkyl ether compound solvent, a polymeric dispersant, and a specific acrylic resin. The white pigment is formed of titanium oxide fine particles having an average particle diameter of not less than 0.15 μm and not more than 0.25 μm and coated with at least one of aluminum oxide and silicon oxide. The white pigment is further coated with not less than 0.01% by mass and not more than 2.5% by mass of at least one of an SiH-containing polysiloxane and dimethylpolysiloxane.
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