| abstract |
The invention relates to an alkyd acrylic graft copolymer printing ink and a preparation method thereof. According to the invention, high-molecular alkyd resin with main chain containing unsaturated double bond is synthesized through molecular design. Alkyd resin is subjected to free radical graft copolymerization with acrylic monomer. Molecular chains of alkyd and acrylic resins are connected through chemical bond, such that the compatibility of the two resins is improved. In a material curing and shaping process, phase separation of the resin is avoided. A solvent, a pigment, a filling material, an antifoaming agent, a dispersing agent, a siccative, and the alkyd acrylic graft copolymer are uniformly dispersed, such that the alkyd acrylic graft copolymer printing ink is obtained. The printing ink comprises the components of: alkyd acrylic graft copolymer 65%-80%, the pigment 3%-4%, the filling material 6-10%, xylene 10%-20%, the dispersing agent 0.45%-0.7%, the antifoaming agent 0.10%-0.32%, and the siccative 0.9%-3.5%. |