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Antistatic coating for ultraviolet curing and preparation method thereof

An antistatic and coating technology, applied in conductive coatings, polyurea/polyurethane coatings, coatings, etc., can solve problems such as pollution, uneconomical, and volatile, and achieve good adhesion, long-lasting antistatic effect, and volatile The effect of low organic solvent content

Inactive Publication Date: 2014-05-14
EAST CHINA UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Chinese patent CN102786875A reports the preparation of UV-curable antistatic coatings with organic surfactant antistatic agents, but alcohol and ether organic solutions will be used in large quantities during use, which is easy to volatilize and cause pollution
Chinese patent CN101955726A reports the preparation of UV-curable antistatic coatings with water-based conductive polyaniline, but it needs to be heated and stirred for several hours after mixing, which is not very economical

Method used

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  • Antistatic coating for ultraviolet curing and preparation method thereof
  • Antistatic coating for ultraviolet curing and preparation method thereof
  • Antistatic coating for ultraviolet curing and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Accurately weigh 15 parts of 3,4-ethylenedioxythiophene, 120 parts of sodium polystyrene sulfonate, 200 parts of sodium persulfate and 1 part of iron sulfate, add 2000 parts of deionized water, and adopt the method of solution polymerization, at room temperature to After reacting at 1000 rpm for 24 hours, add 200 parts each of anion exchange resin and cation exchange resin, reduce the speed to 600 rpm and react for another 3 hours to obtain a dark blue poly-3,4-ethylenedioxythiophene aqueous solution.

[0027] Accurately weigh 60% poly-3,4-ethylenedioxythiophene aqueous solution, 20% polyurethane acrylate resin, 5% polyurethane resin, 3% EM2386, 6% Irgacure184, 0.5% BYK333, 0.3% Tego500, 0.2% BYK024, 5 % propylene glycol methyl ether, join in the beaker, stir 30min under normal temperature, make described antistatic coating.

[0028] Coat the above mixed solution on the PET film with a 20 μm wire bar, send it into an oven to dry for 10 minutes, and then cure it on a UV ...

Embodiment 2

[0030] Accurately weigh 10 parts of 3,4-ethylenedioxythiophene, 100 parts of sodium polystyrene sulfonate, 180 parts of sodium persulfate and 1 part of ferric sulfate, add 2000 parts of deionized water, and adopt the method of solution polymerization at room temperature to 1000r p m After reacting for 24 hours, add 200 parts each of anion and cation exchange resins, reduce the speed to 600rpm and react for another 3 hours to obtain a dark blue poly-3,4-ethylenedioxythiophene aqueous solution.

[0031] Accurately weigh 50% poly-3,4-ethylenedioxythiophene aqueous solution, 23% polyurethane acrylate resin, 10% polyurethane resin, 6% EM2411, 4% Darocur1173, 0.4% BYK348, 0.3% Tego270, 0.3% BYK028, 6 % isopropanol, join in the beaker, stir 30min under normal temperature, make described antistatic coating.

[0032] Coat the above mixed solution on the PET film with a 15 μm wire bar, send it into an oven to dry for 10 minutes, and then cure it on a UV curing machine at a speed of 25 ...

Embodiment 3

[0034] Accurately weigh 8 parts of 3,4-ethylenedioxythiophene, 80 parts of sodium polystyrene sulfonate, 160 parts of sodium persulfate and 1 part of iron sulfate, add 2000 parts of deionized water, and adopt the method of solution polymerization at room temperature to After reacting at 1000 rpm for 24 hours, add 200 parts each of anion exchange resin and cation exchange resin, reduce the speed to 600 rpm and react for another 3 hours to obtain a dark blue poly-3,4-ethylenedioxythiophene aqueous solution.

[0035] Accurately weigh 40% poly-3,4-ethylenedioxythiophene aqueous solution, 30% polyurethane acrylate resin, 10% polyurethane resin, 8% EM226, 4% Irgacure184, 0.5% BYK358N, 0.3% Tego270, 0.2% BYK022, 7 % propylene glycol methyl ether, join in the beaker, stir 30min under normal temperature, make described antistatic coating.

[0036] Coat the above mixed solution on the PET film with a 15 μm wire bar, send it into an oven to dry for 10 minutes, and then cure it on a UV cu...

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Abstract

The invention discloses an antistatic coating for ultraviolet curing and a preparation method of the coating. According to the coating, poly3,4-ethylenedioxy thiophene is taken as a conductive component, waterborne polyurethane acrylic ester is taken as a matrix resin, waterborne polyurethane is taken as an auxiliary functional resin, and additives such as a monomer, a photoinitiator, a leveling agent, a substrate moistening agent and a defoaming agent are added, thus preparing the antistatic coating which is excellent in property. The surface resistivity of the coating formed on a PET (Polyethylene Terephthalate) film is 10<5>-10<8>omega / sq. The coating is free of harmful components such as methylbenzene or xylene, is low in volatile organic solvent content, environment-friendly and high in curing speed and has the characteristics of high efficiency, energy conservation and the like. After being cured, the coating has good adhesion property and long-lasting antistatic effect. Therefore, the coating has good popularization prospect.

Description

technical field [0001] The invention relates to an ultraviolet curing antistatic coating and a preparation method thereof, belonging to the technical field of polymer materials. Background technique [0002] At present, environmental pollution has become one of the most important problems of human existence. How to save data and protect the environment has become a common problem faced by all countries in the world. As one of the five major synthetic materials, paint has penetrated into all aspects of production and life, and it is also an important symbol to measure the development level of a country's chemical industry. Coatings in developed countries are developing towards "5E", that is, improving the quality of coating film, facilitating construction, saving resources, saving energy and adapting to the environment. In this context, my country is also gradually promoting green and environmentally friendly coatings. [0003] UV curing is a new curing technology develope...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/14C09D175/04C09D5/24
Inventor 汪济奎周旭赵聪蔡婉萍张帝漆刘延昌林芳芹吴凯郭卫红
Owner EAST CHINA UNIV OF SCI & TECH
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