Abstract
An encapsulated carbon black (CB) pigment aqueous digital printing ink have been fabricated by an emulsion polymerization. The CB have been encapsulated by methyl methacrylate (MMA) through the emulsion polymerization with SR10 and ER30 which were nonylphenol-free reactive surfactants. We optimized the ratio of SR10 and ER30 in the emulsion polymerization. The encapsulated CB with a size of 170 nm were investigated via a Fourier-transform infrared spectroscopy (FTIR), a dynamic light scattering (DLS) with the zeta potential, and a transmission electron microscopy (TEM). The encapsulated CB ink showed the excellent dispersion stability that were confirmed by a stability analyzer (Turbiscan). The ink was coated onto the surface of fibers through the digital printing process that showed an outstanding color density and fastness in rubbing and washing.
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