High-gloss ink jet printing medium comprises a substrate bearing an ink-absorbing layer comprising quartz glass particles, a cationic compound and a sulfur compound, amine and saccharide

摘要

Ink jet printing medium comprises a substrate bearing an ink-absorbing layer that has a surface pH of 3-6 and comprises: (a) quartz glass particles with an average primary particle size of 3-30 nm; (b) a cationic compound; and (c) non-mercaptan sulfur compounds, amines and saccharides.