Nitrogen-gas-protection-free electron-beam-cured coating/ink and preparation and curing methods thereof

An electron beam curing, nitrogen protection technology, applied in inks, polyester coatings, epoxy resin coatings, etc., can solve the problem of increasing curing costs, increasing the curing process complexity of electron beam curing coatings/inks, and increasing electron beam curing coatings/inks. Ink application range limitation and other issues, to achieve the effect of simplifying the curing process, reducing production costs and improving work efficiency

Inactive Publication Date: 2015-02-11
江苏久瑞高能电子有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This increases the complexity of the curing process of electron beam curing coatings/inks, puts forward higher requirements

Method used

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  • Nitrogen-gas-protection-free electron-beam-cured coating/ink and preparation and curing methods thereof
  • Nitrogen-gas-protection-free electron-beam-cured coating/ink and preparation and curing methods thereof
  • Nitrogen-gas-protection-free electron-beam-cured coating/ink and preparation and curing methods thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0025] ①Place 38 parts of polyurethane-modified acrylate, 3.8 parts of trifunctional unsaturated polyester monomer, and 15.2 parts of ethoxy ethoxy ethyl acrylate in a mixing mixer in parts by mass, and stir at room temperature 15 minutes until completely dissolved into a homogeneous liquid.

[0026] ②Transfer the above homogeneous liquid into a dispersing mixer, and add 10 parts of No. 120 solvent oil, 12 parts of No. 90 gasoline, 17 parts of color paste, 0.2 parts of BYK-052, and stir at room temperature for 30 minutes to a homogeneous liquid.

[0027] ③ Add 0.6 parts of initiator DAROCUR 1173 to the above-mentioned dispersing mixer, stir at room temperature for 8 minutes, discharge, filter, and seal the package.

[0028] ④ Unpack the above-mentioned packaged paint / ink, and apply it evenly on a clean leather substrate.

[0029] ⑤Irradiate the leather substrate coated with paint / ink with UV light for 5 seconds to make the paint / ink dry.

[0030] ⑥Transfer the leather base m...

Embodiment 2

[0032] ① Place 40 parts of epoxy-modified acrylic resin, 5.8 parts of pentafunctional unsaturated polyester monomer, and 14 parts of bisphenol A ethoxylated diacrylate in a mixing agitator in parts by mass. Stir for 15 minutes until completely dissolved into a homogeneous liquid.

[0033] ②Transfer the above homogeneous liquid into a dispersing mixer, and add 10 parts of ethyl acetate, 9 parts of butyl acetate, 23 parts of color paste, 0.2 parts of BYK-168 and BYK-052, and stir for 30 minutes at room temperature to a homogeneous liquid.

[0034] ③Add 0.5 parts of initiators IRGACURE 369 and IRGACURE907 to the above-mentioned dispersing mixer, stir for 4 minutes at room temperature, discharge, filter, and seal the package.

[0035] ④ Unpack the above-mentioned packaged paint / ink, and spray it evenly on the clean tinplate substrate.

[0036] ⑤ Irradiate the tinplate base material coated with paint / ink through ultraviolet light for 8 seconds to make the paint / ink surface dry. ...

Embodiment 3

[0039] ① Put 35 parts of difunctional aliphatic urethane acrylic oligomer, 4 parts of tetrafunctional unsaturated polyester monomer, and 10 parts of tripropylene glycol diacrylate in a mixing agitator according to the number of parts by mass. Stir for 15 minutes until completely dissolved into a homogeneous liquid.

[0040] ②Transfer the above homogeneous liquid into a dispersing mixer, and add 6.2 parts of cyclohexane, 17 parts of butyl acetate, 25 parts of color paste, 0.4 parts of BYK-2155 and BYK-052, and stir for 30 minutes at room temperature to a homogeneous liquid.

[0041] ③ Add 2 parts of initiator IRGACURE 184 to the above-mentioned dispersing mixer, stir for 5 minutes at room temperature, discharge, filter, and seal the package.

[0042] ④ Unpack the above-mentioned packaged paint / ink, and apply it evenly on a clean plastic substrate.

[0043] ⑤The plastic substrate coated with paint / ink is irradiated with ultraviolet light for 3 seconds to make the paint / ink dry...

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Abstract

The invention discloses nitrogen-gas-protection-free electron-beam-cured coating/ink and preparation and curing methods thereof. The coating/ink contains the ingredients in parts by mass: 30-45 parts of unsaturated bond containing resin or rubber, 3-8 parts of sensitizer, 0-15 parts of activated thinner, 15-24 parts of non-activated thinner, 15-25 parts of color paste, 0.15-1 part of auxiliaries and 0.5-2.5 parts of initiator. The preparation method comprises the step of stirring at normal temperature in stages until liquid is uniform. The curing method comprises the steps of firstly carrying out UV (ultraviolet) initial curing on a substrate, and then, carrying out nitrogen-gas-protection-free electron-beam-irradiation-cured shaping. According to the nitrogen-gas-protection-free electron-beam-cured coating/ink and the preparation and curing methods thereof, curing process flows of the electron-beam-cured coating/ink are simplified, the work efficiency is increased, and the production cost of the electron-beam-cured coating/ink is reduced, so that the electron-beam-cured coating/ink is worthy of popularization and application.

Description

technical field [0001] The invention relates to the chemical technology field of coating / ink manufacturing, in particular to a coating / ink cured by an electron beam without nitrogen protection, its preparation and its curing process. Background technique [0002] With the advancement of science and technology and the rapid development of industry, electron beam curing coatings / inks are becoming more and more popular because of their low cost, fast curing speed, low VOC, excellent performance after curing of the coating film, and energy saving and environmental protection. Because electron beam curing coatings / inks must be cured under the condition of isolating oxygen, the method of nitrogen protection is used to isolate oxygen in the industry, so that electron beam curing coatings / inks can be cured by electron beams. This increases the complexity of the curing process of the electron beam curing coating / ink, puts forward higher requirements on the curing process, increases t...

Claims

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Application Information

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IPC IPC(8): C09D175/14C09D163/10C09D4/06C09D4/02C09D7/12C09D11/101
CPCC09D175/14C08L2205/02C08L2205/025C08L2205/035C09D11/101C09D109/00C09D109/02C09D133/00C09D163/10C09D167/06C08L67/06C08L91/00C08L7/00C08L9/06
Inventor 冯敬涛操良洲
Owner 江苏久瑞高能电子有限公司
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