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Preparation method of high-temperature direct-injection dispersed water-based ink

A water-based ink and dispersing technology, applied in inks, household utensils, applications, etc., can solve the problems of poor dispersibility, poor antibacterial performance, and poor high temperature resistance, and achieve good stability, good antibacterial performance, and good gloss.

Inactive Publication Date: 2021-08-10
深圳市凌普鑫科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to solve the problems in the prior art that water-based ink has poor antibacterial performance, poor dispersibility, and poor high temperature resistance, and proposes a method for preparing high-temperature direct-injection dispersed water-based ink

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Preparation method of high temperature direct injection dispersion water-based ink, including the following steps:

[0028] The first step: orthosilicate, anhydrous ethanol, and deionized water were mixed, and then the pH to 8 was adjusted with hydrochloric acid, and at a temperature of 50 ° C, it was reacted at a temperature of 8 h, and after the reaction was completed, the KH570 was added dropwise. Then reaction at a temperature 50 ° C, i.e., the modified nano silica solution is obtained; in the n-butanol as a solvent, the aqueous acrylic resin is mixed with the modified nanosoxiloxide solution, under temperature 90 ° C. The reaction is 5 h to obtain a modified aqueous acrylic resin;

[0029] Step 2: Mix the modified aqueous acrylic resin with antibacterial agents, and dispersed for 15 min under temperature 60 ° C, obtaining a liquid; then, deionized water, ethanol, and modified dispersant is added to the A liquid. It was mixed for 1 h to give a B liquid; then the aqueous...

Embodiment 2

[0042] Preparation method of high temperature direct injection dispersion water-based ink, including the following steps:

[0043] The first step: orthosilicate, anhydrous ethanol and deionized water were mixed, and then the pH to 8 was adjusted with hydrochloric acid, and at the temperature of 52 ° C, it was reacted at a temperature of 8 h, and after the reaction was completed, the KH570 was added dropwise. Then, at a temperature of 50 ° C, it was obtained, i.e., the modified nano silica solution was obtained; at the n-butanol as a solvent, the aqueous acrylic resin was mixed with the modified nanoxide solution, under conditions of temperature 95 ° C. The reaction is 5 h to obtain a modified aqueous acrylic resin;

[0044] Step 2: Mix the modified aqueous acrylic resin with antibacterial agents, and dispersed for 15 min under temperature 60 ° C, obtaining a liquid; then, deionized water, ethanol, and modified dispersant is added to the A liquid. It was mixed for 1 h to give a B l...

Embodiment 3

[0057] Preparation method of high temperature direct injection dispersion water-based ink, including the following steps:

[0058] The first step: orthosilicate, anhydrous ethanol, and deionized water were mixed, and then the pH to 9 was adjusted with hydrochloric acid, and at the temperature of 55 ° C for 8 h, after the reaction was completed, the KH570 was added dropwise. Then reaction at a temperature of 60 ° C, i.e., the modified nano silica solution is obtained; at the n-butanol as a solvent, the aqueous acrylic resin is mixed with the modified nanoxide solution, under the conditions of temperature 100 ° C. The reaction is 5 h to obtain a modified aqueous acrylic resin;

[0059] Step 2: Mix the modified aqueous acrylic resin with antibacterial agents, and dispersed for 15 min under temperature 60 ° C, obtaining a liquid; then, deionized water, ethanol, and modified dispersant is added to the A liquid. It was mixed for 1.5 h to give a B liquid; then the aqueous organic pigment...

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Abstract

The invention discloses a preparation method of high-temperature direct-injection dispersed water-based ink, and the method comprises the following steps: mixing modified water-based acrylic resin with an antibacterial agent to obtain a solution A; sequentially adding deionized water, ethyl alcohol and a modified dispersing agent into the solution A to be mixed for 1-2 h, and obtaining a solution B; adding a water-based organic pigment into the solution B, adding a defoaming agent, and grinding through a three-roller grinder to obtain a solution C; sequentially adding deionized water, ethyl alcohol, water-based wax emulsion and a water-based flatting agent into the solution C, performing stirring and mixing at the rotating speed of 2,000 r / min, adding organic amine to adjust the pH to be 8-9, performing grinding through a three-roller grinding machine, and obtaining the water-based ink. The water-based ink has good stability, high temperature resistance and corrosion resistance, and due to the addition of the antibacterial agent, the water-based ink has good antibacterial performance; meanwhile, the water-based organic pigment and the auxiliaries can be uniformly dispersed through the modified dispersing agent.

Description

Technical field [0001] The present invention belongs to the field of water-based ink, and is, for example, a method for preparing high temperature direct injection dispersion water-based ink. Background technique [0002] Comparative Document CN102993823B discloses a printing plate for water-based ink, which specifically relates to high resolution water-based inks for inkjet printing direct plate and its preparation method thereof. The present invention is based on the total amount of water-based ink, and 5-40% by weight of polymer, 0.01-10% by weight, from 0.01 to 10% by weight of the dye or pigment, 1-30% by weight of the organic solvent, The 0-5 wt% of the defoamer and the remaining amount of deionized water was stirred at room temperature. After the polymer was completely dissolved, the mixed solution was filtered, the resulting filtrate is the water-based ink of the present invention. The ink is sprayed on the surface of the metal substrate by inkjet printing machine (the me...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/30C09D11/38
CPCC09D11/30C09D11/38
Inventor 谢林玻
Owner 深圳市凌普鑫科技有限公司
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