Invention Grant
US08686067B2 Method of making a dispersion of polymer binder-encapsulated silica pigments and coated media including such dispersion 有权
制备聚合物粘合剂包封的二氧化硅颜料和包括这种分散体的包衣介质的分散体的方法

Method of making a dispersion of polymer binder-encapsulated silica pigments and coated media including such dispersion
Abstract:
The instant disclosure relates to a method of making a dispersion of polymer binder-encapsulated silica pigments for coating an ink-jet recording substrate. The method includes mixing first components of the dispersion to form a mixture, the first components including binder polymer, treating agents and a vehicle selected from the group consisting of water, a water-miscible organic solvent, and combinations thereof; shear mixing silica pigment into the mixture; and after the silica pigment is added to the mixture, shear mixing the mixture at a higher temperature and an increased grinding rate compared to a temperature and grinding rate of the shear mixing of the silica pigment into the mixture.
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