Decorative paper suitable for digital printing

Abstract

The invention provides decorative paper suitable for digital printing, which is prepared by mixing and stirring a modified ethylene acrylic acid copolymer dispersion liquid, isopropanol, an auxiliary agent and water to prepare a coating, then coating the surface of decorative base paper with the coating through an anilox roller, and drying to form an ink absorption coating. Compared with decorative base paper, the decorative paper has a better ink absorption effect and a very good antistatic property, and ensures a digital printing effect.

Description

technical field [0001] The invention relates to the technical field of digital printing, in particular to a decorative paper suitable for digital printing. Background technique [0002] Decorative paper is an essential raw material in many building materials, such as low-pressure boards and high-pressure boards used in furniture and cabinets, as well as fireproof boards and floors. In the product structure, the decorative paper is placed under the surface paper, mainly to provide decorative patterns and cover functions to prevent the glue from seeping out of the bottom layer. This layer requires paper with good hiding power, impregnation and printing properties. Decorative paper requires smooth surface, good absorbency and adaptability, uniform color tone is required for background color, and bright color is required for colored paper. [0003] The digitalization of decorative paper printing is a trend in recent years, without the need for board making, to meet the needs o...

AI Technical Summary

Problems solved by technology

With the increasing progress and application of digital printing technology, it has become a trend for digital printers to replace ordinary proofing, but digital printing uses customized special decorative paper for digital printing, and the printing effect of ordinary decorative paper is very poor, while commercially available The price of digital printing decorative paper is five to ten times that of ordinary decorative paper, which greatly increases the cost of digital printing decorative products, and also causes digital printing to be used only in small-scale proofing and other areas where cost is not considered, while digital printing is flexible , energy saving, various effects and other advantages cannot be promoted in a wider range

[0004] Ordinary decorative base paper has poor color development performance for digital inkjet, and the clarity and brightness of printed patterns are not as good as gravure printing. This is the bottleneck restricting digital printing of decorative paper.

Patent CN212765374U discloses a decorative paper for digital printing. An ink-absorbing layer is provided on the upper side of the base paper layer to achieve ink absorption. However, the specific material of the ink-absorbing layer will bring completely different indicators in all aspects of the decorative paper. It is difficult to guarantee the wet tensile strength, air permeability, smoothness and other properties of the final decorative paper

[0005] In addition, if the static electricity of the decorative paper is too high, there will be paper sticking, which will cause paper jams. At the same time, the surface will absorb dust, resulting in unclear printing patterns and handwriting, which will affect the printing effect. Therefore, the antistatic effect is also an important indicator that must be considered for digital printing paper.