Invention Grant
US08440744B2 Oil-based white ink jet recording composition and process for producing the same 有权
油性白色喷墨记录组合物及其制造方法

Oil-based white ink jet recording composition and process for producing the same
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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