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Water-based ink with alcohol resistance and preparation method thereof

A water-based, ink-based technology, applied in inks, household appliances, applications, etc., can solve problems such as insufficient tolerance of alcohol solvents, and achieve the effects of increased viscosity, poor printing performance, and good printing performance

Pending Publication Date: 2021-06-25
LUCKY HUAGUANG GRAPHICS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The invention provides a water-based ink with alcohol resistance and a preparation method thereof, which solves the problem of insufficient tolerance of water-based inks to alcohol solvents. By adding a hydroxyl-containing acrylic monomer to the ink composition, the inkjet printing product is effectively improved. Resistance to alcohol solvents

Method used

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  • Water-based ink with alcohol resistance and preparation method thereof

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preparation example Construction

[0018] The preparation method of the described alcohol-resistant water-based ink comprises the following steps:

[0019] (1) First complete the latex encapsulation of pigment particles, the advantages and technical solutions of this operation are well known in the industry (especially in the field of inkjet printing). Latex encapsulation can be in-situ polymerization (surface polymerized monomer after pigment modification), or polymer latex emulsion can be prepared independently in advance and then mixed with pigment particles under mechanical action such as ball milling and dispersion. After these schemes are rationally optimized, the polymer latex can completely or uniformly encapsulate the pigment particles.

[0020] (2) Add water and functional additives (solvent, wetting agent, leveling agent, dispersant, etc.) to the latex emulsion that encapsulates the pigment particles, mix evenly, and filter to obtain a water-based ink suitable for inkjet printing .

[0021] In the ...

Embodiment 1

[0023] A water-based ink with alcohol resistance, comprising the following raw materials by weight percentage: pigment (black) 1.5%, polymer latex emulsion 15%, hydroxypropyl acrylate 1.5%, propylene glycol 10%, dipropylene glycol ether DPG 5% , BYK330 leveling agent 2%, the balance is water.

[0024] The preparation method of the described alcohol-resistant water-based ink comprises the following steps:

[0025] (1) First, in-situ polymerization can be used to complete latex encapsulation of pigment particles. The advantages and technical solutions of this operation have been well known in the industry (especially in the field of inkjet printing), and the polymer latex can completely or uniformly encapsulate pigment particles.

[0026] (2) Add water, propylene glycol, dipropylene glycol ether DPG, and BYK330 leveling agent to the latex emulsion that encapsulates the pigment particles, mix evenly, and filter to obtain a water-based ink suitable for inkjet printing;

[0027] (...

Embodiment 2

[0029] A water-based ink with alcohol resistance, including: pigment (black) 1.5%, polymer latex emulsion 15%, hydroxyethyl acrylate 1%, propylene glycol 10%, dipropylene glycol ether DPG 5%, BYK330 leveling agent 2% , and the balance is water.

[0030] The preparation method of the described alcohol-resistant water-based ink comprises the following steps:

[0031] (1) First, in-situ polymerization can be used to complete latex encapsulation of pigment particles. The advantages and technical solutions of this operation have been well known in the industry (especially in the field of inkjet printing), and the polymer latex can completely or uniformly encapsulate pigment particles.

[0032] (2) Add water, propylene glycol, dipropylene glycol ether DPG, BYK330 leveling agent, and hydroxyethyl acrylate to the latex emulsion that encapsulates pigment particles, mix evenly, and filter to obtain alcohol-resistant paint suitable for inkjet printing. water-based ink.

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Abstract

The invention provides a water-based ink with alcohol resistance and a preparation method thereof. The water-based ink with alcohol resistance comprises water, a polymer latex emulsion, a hydroxyl acrylate monomer, a functional auxiliary agent, and a pigment added according to the color requirement of the ink. The method for preparing the water-based ink with alcohol resistance comprises the following step: adding a hydroxyl acrylic monomer into water-based ink containing water and polymer latex emulsion. According to the invention, the problem that the alcohol solvent tolerance of water-based ink is insufficient is solved, and the resistance of an ink-jet printed product to the alcohol solvent is effectively improved by adding the hydroxyl-containing acrylic monomer into the ink composition.

Description

technical field [0001] The invention relates to a water-based ink, in particular to an alcohol-resistant water-based ink and a preparation method thereof. Background technique [0002] Inkjet printing is a fast, variable printing method. With the reduction of printing equipment costs and the improvement of printing speed, resolution and printing quality, inkjet printers have been widely used in home, office and commercial printing, and have grown rapidly in large-format advertising and industrial printing. Inkjet printing has the advantages of wide substrate adaptability and non-contact printing. [0003] There are many ink types for inkjet printing, and industrial inkjet printing usually prints solvent-based and UV-curable inks by piezoelectric nozzles. Solvent-based inks are relatively inexpensive and printable, but their application releases large amounts of volatile organic compounds (VOCs), which are considered hazardous air pollutants. [0004] UV inkjet inks have g...

Claims

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Application Information

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IPC IPC(8): C09D11/30C09D11/38
CPCC09D11/30C09D11/38
Inventor 刘东元余志华鲁超赵睿马小丽孙建军
Owner LUCKY HUAGUANG GRAPHICS
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