Water-based acrylic silver powder ink binder and preparation method thereof

The invention discloses a binder of water-based acrylic silver powder ink and a preparation method of the binder. The binder of the water-based acrylic silver powder ink is prepared from the following components in parts by weight: 0 to 5 parts of styrene, 6 to 10 parts of acrylate, 6 to 10 parts of hydroxyl acrylate, 0.5 to 2.5 parts of alkyl acrylic acid, 10 to 20 parts of methacrylate, 0.5 to 1 part of initiator, 2.5 to 3.5 parts of emulsifier, 1 to 5 parts of neutralizer and 60 to 70 parts of water. Silver powder of the silver powder printing ink can be kept in order arrangement, the metallic luster of the silver powder printing ink is kept good, the surface of the silver powder is silvery white and free of discoloration, and the storage stability is good. 本发明公开了一种水性丙烯酸银粉油墨的连接料及其制备方法。其中，所述水性丙烯酸银粉油墨的连接料，按重量份数计算，包括以下组分：苯乙烯0-5份、丙烯酸酯6-10份、羟基丙烯酸酯6-10份、烷基丙烯酸0.5-2.5份、甲基丙烯酸酯10-20份、引发剂0.5-1份、乳化剂2.5-3.5份、中和剂1-5份、水60-70份。本发明不仅能够保持银粉油墨的银粉有序排列，而且保持银粉油墨的金属光泽好，银粉表面银白无变色，存储稳定性好。