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A kind of preparation method of water-based varnish

A technology of water-based varnish and water-based wetting agent, which can be used in inks, household utensils, applications, etc., and can solve problems affecting printing quality, etc.

Active Publication Date: 2016-11-16
惠州深赛尔化工有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Since the water-based varnish contains silane substances with high surface tension such as water-based defoaming agents and water-based anti-scratch and wear-resistant agents, water-based varnishes are prone to shrinkage, which affects printing quality.

Method used

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  • A kind of preparation method of water-based varnish

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Step 1. According to the formula, first put 30 parts of high glass transition temperature styrene-acrylic non-film-forming emulsion into a certain volume of agitable open tank.

[0031] Step 2: Add 20 parts of solid acrylic acid alkali-soluble resin liquid while dispersing at a speed of 800-1000 rpm, and then disperse at a speed of 1000 rpm for 15 minutes.

[0032] Step 3: Add 1 part of water-based leveling agent while dispersing at a speed of 1000 rpm, and then disperse at a speed of 1000 rpm for 10 minutes.

[0033] Step 4: Add 5 parts of ethanol while dispersing at a speed of 800 rpm, and then disperse for 5 minutes at a speed of 1000 rpm.

[0034] Step 5: Put in 1 part of water-based wetting agent while dispersing at a speed of 800 rpm, and then disperse at a speed of 1000 rpm for 8 minutes.

[0035] Step 6: Add 0.2 parts of water-based defoamer while dispersing at a speed of 1000 rpm, and disperse for 15 minutes at a speed of 1200 rpm.

[0036] Step 7: Put in 8 p...

Embodiment 2

[0040] Step 1. According to the formula, first put 20 parts of high glass transition temperature styrene-acrylic non-film-forming emulsion into a certain volume of agitable open tank.

[0041] Step 2: Add 10 parts of solid acrylic acid alkali-soluble resin liquid while dispersing at a speed of 800-1000 rpm, and then disperse at a speed of 1000 rpm for 15 minutes.

[0042] Step 3: Add 0.5 parts of water-based leveling agent while dispersing at a speed of 1000 rpm, and then disperse at a speed of 1000 rpm for 10 minutes.

[0043] Step 4: Add 2.5 parts of ethanol while dispersing at a speed of 800 rpm, and then disperse for 5 minutes at a speed of 1000 rpm.

[0044] Step 5: Add 0.5 parts of water-based wetting agent while dispersing at a speed of 800 rpm, and then disperse at a speed of 1000 rpm for 8 minutes.

[0045] Step 6: Add 0.1 part of water-based defoamer while dispersing at a speed of 1000 rpm, and disperse for 15 minutes at a speed of 1200 rpm.

[0046] Step 7: Add 4 ...

Embodiment 3

[0050]Step 1. According to the formula, first put 40 parts of high glass transition temperature styrene-acrylic non-film-forming emulsion into a certain volume of open tank that can be stirred.

[0051] Step 2: Add 30 parts of solid acrylic acid alkali-soluble resin liquid while dispersing at a speed of 800-1000 rpm, and then disperse at a speed of 1000 rpm for 15 minutes.

[0052] Step 3: Add 2 parts of water-based leveling agent while dispersing at a speed of 1000 rpm, and then disperse at a speed of 1000 rpm for 10 minutes.

[0053] Step 4: Add 10 parts of ethanol while dispersing at a speed of 800 rpm, and disperse for 5 minutes at a speed of 1000 rpm.

[0054] Step 5: Add 2 parts of water-based wetting agent while dispersing at a speed of 800 rpm, and then disperse at a speed of 1000 rpm for 8 minutes.

[0055] Step 6: Add 0.4 parts of water-based defoamer while dispersing at a speed of 1000 rpm, and disperse for 15 minutes at a speed of 1200 rpm.

[0056] Step 7: Put i...

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Abstract

The invention discloses a method for preparing water-based varnishing oil. The method comprises a feeding step and a dispersing step, wherein the feeding step comprises the sub-steps of adding latex, and then, adding a material, wherein during material adding, the material is added while dispersing, and then, the material is dispersed through the dispersing step; and the adding of each material needs the feeding step and the dispersing step. Through controlling the dispersion speed, dispersion time and feeding sequence during production, the probability that the water-based varnishing oil is subjected to a hole shrinkage phenomenon is inhibited.

Description

technical field [0001] The invention relates to a method for preparing ink, in particular to a method for preparing water-based varnish for printing. The water-based varnish prepared by the method is not prone to shrinkage. Background technique [0002] Water-based varnish is mainly composed of main agent, solvent and auxiliary agent. It has the characteristics of colorless, odorless, strong transparency and non-toxicity, no organic volatile matter, low cost, and wide source. It is especially suitable for packaging and printing. [0003] Water-based varnish is a surface protective ink that is widely used in printing products at present. Water-based varnish usually uses water-based styrene-acrylic emulsion, water-based pure benzene emulsion, solid acrylic alkali-soluble resin, water-based leveling agent, water-based defoamer, water-based Anti-scratch and wear-resistant agent, water-based wetting agent, water-based anti-scratch and wear-resistant agent, water, and alcohol. Si...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D11/03C09D11/107
Inventor 梁素静刘国民
Owner 惠州深赛尔化工有限公司
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