Paper coating agent
AssigneeKuraray Co., Ltd.
InventorsHitoshi Maruyama, Koichi Kajitani, Makoto Shiraishi
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Abstract
This invention relates to a method of coating paper to improve the surface strength and printability thereof comprising applying to the paper a silicon-containing modified polyvinyl alcohol agent or its saponification product. This method gives outstanding results for printing purposes when coated onto paper objects. This invention also relates to a paper having a silicon-containing polyvinyl alcohol agents coated thereon.
Claims14
A method of coating paper to improve the surface strength and printability of the paper, comprising applying an effective amount of a silicon-containing modified polyvinyl alcohol to said paper in the form of an alkaline aqueous solution, wherein the silicon-containing modified polyvinyl alcohol is a water soluble product obtained by an alcoholysis of a copolymer of a vinyl ester and an olefinic unsaturated monomer containing silicon in the molecule.
Dependencies are inferred from the claim text.