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Environment-friendly ink and preparation method thereof

An environment-friendly ink technology, applied in ink, household utensils, applications, etc., can solve problems such as slow curing speed, weak substrate adhesion, and pollution of production equipment, and achieve improved wear resistance and adhesion. Preparation method Simple, easy to use, safe and environmentally friendly

Inactive Publication Date: 2020-06-05
邵大鹏
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Although many types of water-based inks have been developed on the market, they often have single functions and have many problems in dispersibility and stability. In addition, water-based inks may be brought in by raw materials during production and storage. , production equipment pollution, contamination by microorganisms introduced from the outside due to improper storage, and finished printed matter contaminated by microorganisms introduced from the outside, because the water in the water-based ink is more suitable for the survival and reproduction of microorganisms, making the ink easy Deteriorated by microbial erosion, seriously affecting the appearance of packaging products
In addition, the common water-based inks in the prior art also have disadvantages such as no alkali resistance, no resistance to ethanol and water, slow drying, poor gloss, and weak adhesion to substrates.
[0005] Application publication number CN108864816A discloses an environment-friendly ink and its preparation method. The environment-friendly ink is composed of 5-10 parts by mass of hydroxyvinyl chloride resin, 10-20 parts of carboxyl chloride resin, and 30-20 parts of propyl acetate. 50 parts, 150-300 parts of acetone, 20-30 parts of dyes, 4-8 parts of additives, 1-3 parts of lubricants, 0.8-2 parts of antioxidants, 1-3 parts of defoamers, 1.5-3.5 parts of leveling agents Parts, 2.5-5 parts of adhesion promoter, the photocuring speed of hydroxyvinyl chloride resin and carboxyl vinyl chloride resin used in this environmentally friendly ink is very slow, resulting in poor ink effect during use, and it contains volatile solvent acetone, easy to cause environmental pollution

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] An environmentally friendly ink, characterized in that it includes the following components in parts by weight: 20 parts of polymerizable water-soluble hyperbranched polyamide, diaminomaleonitrile / 2,2'-[1,4-phenylene 5 parts of base bis(oxymethylene)]dioxirane condensation polymer, 1 part of tetramethyltetravinyl cyclotetrasiloxane, 0.5 part of water-based photoinitiator Quantacure BTC, 0.5 part of sodium lauryl sulfate, 0.2 part of nonylphenol polyoxyethylene ether, 10 parts of lithopone, 1 part of sodium dodecylbenzenesulfonate, 20 parts of deionized water.

[0029] The preparation method of the diaminomaleonitrile / 2,2'-[1,4-phenylene bis(oxymethylene)]dioxirane polycondensate comprises the following steps: diaminomaleonitrile, Add 2,2'-[1,4-phenylene bis(oxymethylene)]dioxirane to tetrahydrofuran, under the action of oxygen inhibition, stir and react at 70-80°C for 4-6 hours, Afterwards, the solvent is removed by rotary evaporation to obtain diaminomaleonitrile / 2,2'...

Embodiment 2

[0033] An environmentally friendly ink, characterized in that it includes the following components in parts by weight: 23 parts of polymerizable water-soluble hyperbranched polyamide, diaminomaleonitrile / 2,2'-[1,4-phenylene Bis(oxymethylene)]dioxirane condensation polymer 6 parts, tetramethyltetravinyl cyclotetrasiloxane 1.5 parts, water-based photoinitiator Quantacure BPQ 0.6 parts, polyacrylamide 0.6 parts, octylphenol 0.3 parts of polyoxyethylene ether, 11 parts of lemon yellow, 2 parts of polyoxypropylene polyoxyethylene glyceryl ether, 22 parts of deionized water.

[0034] The preparation method of the diaminomaleonitrile / 2,2'-[1,4-phenylene bis(oxymethylene)]dioxirane polycondensate comprises the following steps: diaminomaleonitrile, Add 2,2'-[1,4-phenylene bis(oxymethylene)]dioxirane to acetone, under the action of oxygen inhibition, stir and react at 72°C for 4.5 hours, then remove by rotary evaporation Solvent to obtain diaminomaleonitrile / 2,2'-[1,4-phenylene bis(oxyme...

Embodiment 3

[0038] An environmentally friendly ink, characterized in that it includes the following components in parts by weight: 25 parts of polymerizable water-soluble hyperbranched polyamide, diaminomaleonitrile / 2,2'-[1,4-phenylene Bis(oxymethylene)]dioxirane condensation polymer 7.5 parts, tetramethyltetravinyl cyclotetrasiloxane 2 parts, water-based photoinitiator Quantacure ABQ 0.8 parts, sodium polyacrylate 0.7 parts, nonylphenol 0.4 parts of polyoxyethylene ether, 11.5 parts of red powder, 2.5 parts of nonylphenol polyoxyethylene ether, and 25 parts of deionized water.

[0039] The preparation method of the diaminomaleonitrile / 2,2'-[1,4-phenylene bis(oxymethylene)]dioxirane polycondensate comprises the following steps: diaminomaleonitrile, 2,2'-[1,4-phenylenebis(oxymethylene)]dioxirane was added to dichloromethane, and under the action of oxygen inhibition, the reaction was stirred at 75°C for 5 hours, and then rotated Evaporate and remove solvent, obtain diaminomaleonitrile / 2,2...

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PUM

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Abstract

The invention discloses an environment-friendly printing ink. The printing ink comprises the following components in parts by weight: 20-30 parts of polymerizable water-soluble hyperbranched polyamide, 20-30 parts of diaminomaleonitrile / 2,2'- [1,4-phenylene bis(oxymethylene)]diethylene oxide polycondensate, 1-3 parts of tetramethyl tetravinyl cyclotetrasiloxane, 0.5-1 part of water-based photoinitiator, 0.5-1 part of dispersing agent, 0.2-0.6 part of defoaming agent, 10-13 parts of water-based pigment, 1-4 parts of emulsifying agent and 20-30 parts of deionized water. The invention also discloses a preparation method of the environment-friendly ink. The environment-friendly ink disclosed by the invention has the advantages of good adhesive force, friction resistance, good solvent resistance, high curing speed, good performance stability, good flexibility, and safety and environmental protection in use.

Description

technical field [0001] The invention relates to the technical field of ink, in particular to an environment-friendly ink and a preparation method thereof. Background technique [0002] In recent years, with the development of the economy, advertising has become a way for merchants to establish contact with consumers. Advertisements are favored by merchants for their strong visual impact and competitive cost. Advertisements in the prior art usually use printing to express patterns and characters on the substrate, and an indispensable material in the printing process is ink, and the composition and performance of the ink directly affect the quality and effect of printing , which in turn affects the visual impact and publicity effect of the advertisement. Therefore, it is particularly important to develop a comprehensive ink. [0003] Currently, common inks on the market include organic solvent-based inks and water-based inks. Among them, organic solvent-based inks need to b...

Claims

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Application Information

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IPC IPC(8): C09D11/102C09D11/03C09D11/101
CPCC09D11/03C09D11/101C09D11/102
Inventor 邵大鹏
Owner 邵大鹏
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