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Environment-friendly water-based ink

A water-based ink, environmentally friendly technology, applied in the direction of ink, household appliances, applications, etc., can solve the problems affecting the appearance of packaging products, pollution of production equipment, single function, etc., to achieve excellent adhesion, long storage time, and solve the effect of storage time

Active Publication Date: 2016-08-17
信丰鸿美油墨科技有限公司
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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

Method used

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  • Environment-friendly water-based ink

Examples

Experimental program
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Effect test

preparation example Construction

[0034] Preparation of waterborne polyurethane binder:

[0035] (1) Raw material pretreatment: firstly polyadipate sebacic acid neopentyl glycol-1,6-hexanediol ester diol is decompressed and dehydrated for 1 hour at 100° C. and 0.1 MPa vacuum, and the poly The number-average molecular weight of adipate sebacate neopentyl glycol-1,6-hexanediol ester diol is 2000, and diphenylmethane diisocyanate is dehydrated and dried with activated molecular sieves;

[0036] (2) Preparation of prepolymer: 35 parts by weight of polyadipate sebacate neopentyl glycol-1,6-hexanediol ester diol is added in the flask, the flask is equipped with a stirrer, condenser , a thermometer and a ventilation tube, feed dry argon into the reaction system, then start the stirrer, add 30 parts by weight of 2,2-dimethylol butanoic acid, then add 3 parts by weight of diphenylmethane diisocyanate and 0.01 parts by weight of bismuth laurate, slowly warming up to 80°C, and reacting at a constant temperature for 2 ho...

Embodiment 1

[0041] 35 parts by weight of waterborne polyurethane;

[0042] 10 parts by weight of polypropylene emulsion;

[0043] 1 part by weight of polyamide wax;

[0044] 0.5 parts by weight of sodium polyacrylate;

[0045] 0.2 parts by weight of hydroxymethylcellulose;

[0046] 0.2 parts by weight of octylphenol polyoxyethylene ether;

[0047] 0.5 parts by weight of sodium alkylsulfonate;

[0048] 10 parts by weight of pigment;

[0049] 10 parts by weight of water;

[0050] 5 parts by weight of ethyl acetate;

[0051] 0.3 parts by weight of oregano oil;

[0052] Litsea cubeba essential oil 0.2 parts by weight;

[0053] Cinnamon essential oil 0.1 part by weight.

Embodiment 2

[0055] 40 parts by weight of waterborne polyurethane;

[0056] 20 parts by weight of polypropylene emulsion;

[0057] 3 parts by weight of polyamide wax;

[0058] 1 part by weight of sodium polyacrylate;

[0059] 1 part by weight of hydroxymethyl cellulose;

[0060] 0.8 parts by weight of octylphenol polyoxyethylene ether;

[0061] 1.5 parts by weight of sodium alkylsulfonate;

[0062] 20 parts by weight of pigment;

[0063] 20 parts by weight of water;

[0064] 15 parts by weight of ethyl acetate;

[0065] 0.4 parts by weight of oregano oil;

[0066] Litsea cubeba essential oil 0.3 parts by weight;

[0067] Cinnamon essential oil 0.2 parts by weight.

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Abstract

The invention discloses an environment-friendly water-based ink. By utilizing the comprehensive effects of effective selection and proportioning on the components, the invention provides a formula range with favorable comprehensive properties, so that the components fully perform the functions. The environment-friendly water-based ink is prepared by the following steps: carrying out polymerization on neopentyl glycol polyadipate sebacate-1,6-hexanediol ester diol and 2,2-dihydroxymethylbutyric acid under the catalytic action of diphenylmethane diisocyanate by using a water-based polyurethane binder, carrying out crosslinking under the action of stannous 2-ethylhexoate by using bis(trihydroxymethyl)propane, and carrying out chain extension by using hexanediol, thereby obtaining the environment-friendly water-based ink. The binding resistance and stability of the obtained binder are improved, and the binder has excellent adhesive force for the substrate. The obtained water-based ink has the characteristics of static resistance, environment friendliness, long storage time, favorable staining power, favorable adhesion fastness and the like. The added origanum oil, Litsea citrata essential oil and cinnamon essential oil have broad-spectrum antimicrobial effects, thereby effectively solving the problem that the mildewing of the printing product can influence the storage property.

Description

technical field [0001] The invention relates to an ink, more specifically relates to an environment-friendly water-based ink. Background technique [0002] PM2.5 is a pollutant in the atmosphere. Volatile organic compounds account for 21% of the substances that form PM2.5, and about 18% of the volatile organic compounds are produced by solvent-based coatings and ink emissions. Solvent-based coatings and inks need to be diluted with organic solvents, which not only consume fossil energy, but also contain a large amount of toxic and harmful substances such as benzene, toluene, xylene, and formaldehyde, and some of them have a volatilization period of more than ten years. Studies have shown that long-term inhalation of these volatile gases can lead to serious diseases such as aplastic anemia and leukemia. [0003] Water-based inks use water as the diluent and do not contain benzene, toluene, and xylene. Compared with traditional solvent-based inks, they can greatly reduce the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D11/102C09D11/107C09D11/03C08G18/66C08G18/42C08G18/34C08G18/12C08G18/32
CPCC08G18/12C08G18/348C08G18/4238C08G18/6659C09D11/03C09D11/102C09D11/107C08G18/3206
Inventor 林福亮
Owner 信丰鸿美油墨科技有限公司
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