Solvent type gold-mixed oil for gravure and flexible print

Abstract

The present invention relates to one special mixture comprising resin, organic solvent, platicizer and pigment for mixing with gold powder in printing. Specially, it consists of thermoplastic methylmethacrylate/butyl methacrylate copolymer resin 10-50 wt%, ethyl acetate 30-80 wt%, propylene glycol methyl ether acetate 1-25 wt%, dioctyl o-phthalate 1-15 wt% and pigment 1-10 wt%. It may be used in compounding gold ink with high adhesivity to base material, and this can reduce the consumption of gold powder, lower cost and makes it possible to realize large-area printing, gold stamping, etc.

Description

1. Technical field: [0001] The invention belongs to a solvent-type gold ink used in gravure and flexo printing, and in particular relates to a special solvent-type gold-adjusting oil for gravure and flexo printing. 2. Background technology [0002] In all gold ink printing occasions, the metal texture of gravure printing and flexo solvent-based gold ink printing is the best. The preparation method of solvent-based gold ink for gravure printing and flexo printing is as follows: the gold powder (strip, paste) is soaked with a solvent, and then mixed with gold-adjusting oil and stirred evenly. In order to ensure the necessary metallic texture, the traditional gold ink made by using ordinary gold-adjusting oil must maintain a high gold powder content, so the adhesion of its printed matter on the substrate (or substrate) is extremely poor, so most of the traditional gold ink only It can print some lines and small-area patterns, which greatly restricts the performance of gold in ...

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to reduce the gold powder content in gold ink, solve the defect of poor adhesion of traditional gold ink on the base material, but ensure that the metal texture of the gold ink prepared by it is equivalent to that of traditional gold ink prints At the s