Surface-modified silica fine powder and its use

摘要

The surface-modified fine silica powder of the present invention has the excellent effect as the mixing material of the printing material. When said fine silica powder is mixed to use for the ink acceptor layer, there are no blotting with ink and cracking of coating film etc., and the excellent printing effect can be obtained. Specifically, in the printing by the ink-jet, there is no blotting with ink, and excellent clear nature and fixing of ink are obtained.