Water soluble varnish and preparation method thereof

A water-soluble, varnish technology, applied in the direction of adding paper forming aids, adding fiber dispersants, defoaming agents, etc., can solve the problems of unfavorable health of operators, potential safety hazards, waste of energy, etc., to ensure physical health, Energy saving and cost reduction effects

Inactive Publication Date: 2014-02-12
TIANJIN SHENZHOU PRINTING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Because alcohol has a strong taste and is a volatile and flammable dangerous product, the varnish is highly irritating when used, which is not conducive to the health of operators, and also creates potential safety hazards. At the same time, the cost is high and energy is wasted

Method used

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  • Water soluble varnish and preparation method thereof
  • Water soluble varnish and preparation method thereof
  • Water soluble varnish and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0022] Selected paper: stickers on the outer surface of the box

[0023] Print patterns and characters according to the normal process

[0024] The varnish used adopts the following formula: 57 kg of acrylic emulsion, 2 kg of wax emulsion, 33 kg of acrylic resin, 0.5 kg of vinyltriamine, 0.25 kg of sodium dodecylsulfonate, 0.5 kg of polysiloxane defoamer , 0.5 kg of carboxymethyl cellulose, 0.5 kg of sodium polyacrylate, 0.5 kg of polyurethane, 0.4 kg of azelaic acid ester and 5 kg of absolute ethanol. After the above-mentioned components are mixed with each other, add water in a ratio of 5:2 to form a uniform The quality liquid is the finished product.

[0025] The above-mentioned finished products are put into the varnish machine, and after smearing and drying, a uniform varnish layer is formed on the surface of the paper.

[0026] The test data of this paper:

[0027] 1. Select slices of different parts of the paper and install them on the wear-resistant testing machine....

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Abstract

The invention relates to water soluble varnish which is prepared by mixing the following components in parts by weight: 57 parts of acrylic emulsion, 2 parts of wax emulsion, 33 parts of acrylic resin, 3 parts of assistant and 5 parts of cosolvent. According to the water soluble varnish, the components are mutually mixed according to a certain proportion to form homogenous water soluble varnish, wherein the ethanol content in the water soluble varnish is greatly decreased to reduce the pungent smell, ensure the body health of an operator, save the energy source and reduce the cost, the coated varnish can effectively protect patterns or characters on presswork so as to ensure good smoothness and waterproofness and excellent wearing resistance for the surface of the presswork.

Description

technical field [0001] The invention belongs to the technical field of varnish in paper printing, in particular to a water-soluble varnish and a preparation method thereof. Background technique [0002] Printing is to transfer the ink to the surface of the paper through plate-making, ink application, pressurization and other processes on original manuscripts such as text and pictures. Common forms include traditional offset printing, screen printing and digital printing. Books and packages in people's daily life are printed by four-color printing machines to form semi-finished products. These semi-finished products also need to be varnished, that is, put the semi-finished products into the varnish machine, and the rollers of the varnish machine will apply the varnish Brush evenly on the surface of the semi-finished product, and then make the finished product after drying. [0003] The varnish used in the above process is mainly made of resin varnish, and alcohol is used as ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21H19/18D21H19/20D21H21/08D21H21/12D21H21/06D21H21/14
Inventor 刘振环
Owner TIANJIN SHENZHOU PRINTING
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