Printing plate material for ink-jet printing direct-to-plate and preparation method of printing plate material

An inkjet printing and plate technology, which is applied in the preparation of printing surface, plate preparation, printing, etc., can solve the problems of increasing the difficulty of the plate base, dirtying, and increasing the production cost.

Inactive Publication Date: 2013-05-08
INST OF CHEM CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This method increases the production cost
And although in CN101081952, photosensitive coating has been removed, the plate base must be processed through special electrolysis and oxidation processes, which increases the difficulty

Method used

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  • Printing plate material for ink-jet printing direct-to-plate and preparation method of printing plate material
  • Printing plate material for ink-jet printing direct-to-plate and preparation method of printing plate material

Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0026] Example 1

[0027] Preparation of coating: 0.1wt% gum arabic, 5wt% potassium sulfate, 10wt% zinc oxide nanoparticles with a particle size of 10nm, 0.1wt% organosiloxane, 0.2wt% propylene glycol ester and the balance The water is mixed at room temperature, the mixed solution is stirred, and the impurities are filtered to obtain a water-soluble paint.

[0028] After washing and drying the aluminum plate base that has undergone electrolytic graining and anodic oxidation treatment, the surface of the aluminum plate base is uniformly coated with the water-soluble paint obtained above by spin coating, and the coating thickness is about 1 μm. Obtain inkjet printing direct plate plate material.

Example Embodiment

[0029] Example 2

[0030] Coating preparation: mix 20wt% polyethylene glycol, 0.1wt% aluminum sulfate, 0.1wt% alumina nanoparticles with a particle size of 1000nm, 20wt% water and the remainder of ethanol at room temperature, and stir the mixture , After filtering to remove impurities, water-soluble paint is obtained.

[0031] The aluminum plate base that has not undergone electrolytic graining and anodization treatment is degreasing with a 5wt% aqueous solution of dilute sodium hydroxide, washed and dried, and then uniformly coated on the surface of the aluminum plate base by roller coating. Water-soluble paint, drying, the thickness of the coating is about 20μm, to obtain the plate material for inkjet printing and direct plate making.

Example Embodiment

[0032] Example 3

[0033] Preparation of coating: 10wt% polyacrylamide, 0.2wt% zinc chloride, 1wt% calcium carbonate nanoparticles with a particle size of 200nm, 0.05wt% polyether, 0.2wt% ethylene glycol ester, 0.3wt% of malic acid, 30wt% of water and the balance of ethanol are mixed at room temperature, the mixed solution is stirred, and the impurities are filtered to obtain a water-soluble paint.

[0034] The zinc plate base that has not undergone electrolytic graining and anodization treatment is degreasing with a 5wt% aqueous solution of dilute sodium hydroxide, washed and dried, and then uniformly coated on the surface of the zinc plate base by spin coating. The water-soluble paint is dried, and the thickness of the coating is about 5μm to obtain the plate material for inkjet printing and direct plate making.

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Abstract

The invention belongs to the field of printing plate materials, and relates to a printing plate material for ink-jet printing direct-to-plate. Paint is coated on the surface of a metal plate after electrolytic graining and/or anodic oxidation treatment or without electrolytic graining and/or anodic oxidation treatment or a plastic plate after graining to prepare the printing plate material applicable to ink-jet printing direct-to-plate. Diffusion of ink droplets of plate making ink is effectively controlled by coating the paint on the surface of the metal plate or the plastic plate, so that plate making accuracy is improved. When the printing plate material is used, graphic and text information is printed on the printing plate material to form a graphic and text area by an ink-jet printing plate making machine through solvent plate making ink. By the aid of the printing plate material, production cost is reduced, staining in printing is avoided, and a printed matter with excellent image resolution can be obtained after the printing plate material with the graphic and text information is printed on a computer.

Description

technical field [0001] The invention belongs to the field of printing plates, in particular to ink-jet printing plate-making plates, and more specifically to metals that have undergone electrolytic graining and / or anodic oxidation treatment, or that have not undergone electrolytic graining and / or anodic oxidation treatment. Plates, or inkjet printing direct-to-plate plates obtained after coating the surface of grained plastic plates with paint. Background technique [0002] Inkjet printing plate-making technology has gradually attracted the attention of people in the industry because of its environmental protection and simple operation. In CN1818786, the inkjet printing method is used to print the ink on the aluminum plate base of the common positive PS plate coated with the inkjet receiving layer for plate printing. This approach increases production costs. And although in CN101081952, photosensitive coating has been removed, the plate base must be processed through speci...

Claims

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Application Information

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IPC IPC(8): B41N3/03B41C1/00B41J2/01C09D105/00C09D189/00C09D101/28C09D103/08C09D103/06C09D129/04C09D133/26C09D139/06C09D135/00C09D171/08C09D133/02C09D179/02C09D179/00C09D167/08C09D175/04C09D7/12
Inventor 刘云霞周海华宋延林
Owner INST OF CHEM CHINESE ACAD OF SCI
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