INK COMPOSITION FOR NETWORK POINT PRINT EXCLUDING HARMFUL COMPONENTS

摘要

An ink composition for network point print is provided to ensure good printability and color clearness by using only materials excluding harmful components. An ink composition for network point print comprises water-soluble synthetic resin 45-50 parts by weight as binder, mixed solvent 45-50 parts by weight of the ethanol and ionized water, synthetic coloring dye 0.5-5 parts by weight, tannin 3-7 parts by weight and zeolite liquid 2-4 parts by weight. The synthetic resin is selected from a group consisting of polyvinyl butylalcohol, methylol urea resin, methylol melamine resin and carboxymethyl cellulose. The mixed solvent is mixed with ethanol and ionized water in a volumetric ratio of 4:1.