Preparation method of flexographic plate water-based ink

Abstract

The invention discloses a preparation method of flexographic plate water-based ink. The flexographic plate water-based ink is prepared from the following raw materials of, in parts by weight, 30-35% of waterborne epoxy resin acrylate emulsion, 20-25% of organic pigments, 10-15% of ethyl alcohol, 22-25% of deionized water and 3-5% of relevant assistant, wherein waterborne epoxy resin acrylate emulsion is prepared by adopting an emulsion polymerization method, that is, 5-6% of epoxy resin and acrylate emulsion are organically combined; and the relevant assistant is prepared from the following components of, in parts by weight, 0.5-1% of antifoaming agent, 1.5-2% of waterborne film-forming agent, 0.5-1% of dispersing agent, 0.4% of cross-linking agent and 0.6-0.8% of pH stabilizer. The flexographic plate water-based ink is safe and environmentally friendly, epoxy resin is utilized to modify acrylate emulsion, the emulsion polymerization method is adopted to organically comine 5-6% of epoxy resin and acrylate emulsion to prepare waterborne epoxy resin acrylate emulsion, and the compound fastness and water resistance of the flexographic plate water-based ink can be improved.

Description

Technical field [0001] The invention relates to the technical field of printing inks, in particular to a method for preparing flexographic water-based inks. Background technique [0002] Ink is an important material widely used in various printing such as books, packaging and decoration, architectural decoration, etc. It is a viscous colloidal fluid as a carrier of characters and patterns through printing. With the rapid development of my country's economy, the social demand for inks has increased, and the variety and output of inks have also expanded and increased accordingly. Improving the performance of inks and achieving energy-saving and efficient production modes are always the inevitable direction of future ink development. [0003] As people pay more attention to health and increase awareness of environmental protection, the normal benzene-containing offset printing technology has gradually been replaced by environmentally-friendly water-based printing. Compared with tradit...

AI Technical Summary

Problems solved by technology

[0005] Purpose of the invention: In view of the defects and deficiencies of the prior art, solve the problems of insufficient water resistance and poor adhesion of domestic water-based inks composed of acrylate emulsions, it is difficult to achieve ideal printing effects, and the domestic water-based inks have low promotion rates. After many practice improvements, the applicant designed a method for preparing flexographic water-based ink