The novel cationic polyfunctional oligomer (DA-C) and novel cationic sub-micron organic particle (COP) have been developed. DA-C is placed in the hydrophilic polyacrylates and COP is placed in the crosslinked polymer particles. COP is synthesized by using DA-C and comonomers with non-aqueous dispersion polymerization or reverse suspension polymerization. COP is designed to have high absorptivity and fixing ability of aqueous ink jet ink. The absorptivity, swelling, and dye-fixing ability of COP were measured. These properties were kept up in experimental COP paper. The advantages and future direction of this technologies are discussed.
Hiromichi Noguchi, Yuko Satoh, Satoru Fujii, Ryozoh Hama, Masahiro Satoh, Masayuki Yamagishi, "Organic, Cationic, Sub-Micron Particles for Ink Jet Paper Coatings" in Proc. IS&T Int'l Conf. on Digital Printing Technologies (NIP14), 1998, pp 261 - 265, https://doi.org/10.2352/ISSN.2169-4451.1998.14.1.art00064_1