Abstract

The formula of water-based ink is designed to study the performance of adherence of water-based flexographic ink on plastic. Three kinds of film-forming resins are selected, and the proper additives are added to improve the ink printing capacity. The flexographic printing test machine is used to print ink proof. And the influence of film-forming resin and leveling agent on the properties of water-based ink adhesion is discussed. The results show that the water-based ink by film-forming resin Y2 has good adhesion on the BOPP film and that by film-forming resin Y3 has bad adhesion on the BOPP film The leveling agent can effectively improve the adhesion. The inks prepared by resin Y1 have good adherence to the BOPP film when the leveling agent L1 of 0.5 % is used. The inks have good adherence to the BOPP film when the film-forming resin Y3 and the leveling agent L3 of 1 % are used.

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