Gloss oil capable of being used for UV printing

A varnish and modification technology, applied in coatings, epoxy resin coatings, polyester coatings, etc., can solve the problems that the printed pattern does not have a protective effect, the three-dimensional pattern loses its gloss and color, and loses its luster, so as to reduce the number of print heads. Scrap rate, good color and gloss, and the effect of not clogging the nozzles

Active Publication Date: 2019-11-29
GUANGDONG HEYGEY LIGHT CURING MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, since the varnish currently on the market can only increase the glossiness, it does not have more protection for the printed pattern, so the printed three-dimensional pattern is prone to loss of light and color, especially for posters and billboards placed outdoors etc., long-term exposure to wind and sun, it is easy to fade and lose luster after a period of time

Method used

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  • Gloss oil capable of being used for UV printing
  • Gloss oil capable of being used for UV printing
  • Gloss oil capable of being used for UV printing

Examples

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Embodiment Construction

[0028] The present invention is described in further detail now in conjunction with embodiment.

[0029] The varnish that can be used for UV printing is prepared by the following method: Weigh the components in proportion, first mix the acrylic resin and modified monomer at 60°C, and then add additives, Color retention agent and photoinitiator, after each raw material is added, stir evenly before adding the next raw material, after all the raw materials are added, stir evenly.

[0030] figure 1 Be the nuclear magnetic resonance spectrogram of color retention agent (product II) of the present invention, nuclear magnetic data is as follows (CDCl 3 Solvent): δ=9.41~9.45 (a, 2H), δ=7.14~8.20 is the characteristic absorption peak of the hydrogen atom on the benzene ring of 4-hydroxyl-3-(3-hydroxybenzoyl) benzoic acid, δ= 6.61~6.64(b, 4H), δ=6.02~6.07(c, 1H), δ=5.31~5.34(d, 2H), δ=5.13~5.16(e, 1H), δ=4.65~4.70(f, 2H), δ=4.56~4.60(g, 1H), δ=2.55~2.61(h, 1H), δ=1.95~1.99(i, 4H), δ=...

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Abstract

The invention belongs to the technical field of UV printing gloss oil, and particularly relates to gloss oil capable of being used for UV printing. The gloss oil is prepared from the following components in percentage by weight: 70-85% of modified monomers, 5-25% of acrylic resin, 2-6% of a color retention agent, 1-5% of a photoinitiator, and 1-5% of an auxiliary. According to the gloss oil capable of being used for UV printing, the color retention agent is added to improve the protective effect against oxygen, heat and ultraviolet aging, the added color retention agent contains both an N-cyclohexyl-p-methoxyaniline structure and an o-hydroxybenzophenone structure, the N-cyclohexyl-p-methoxyaniline structure has good anti-aging performance, the o-hydroxybenzophenone structure can absorb ultraviolet rays and has good stability to light and heat, and the color retention agent is added to the gloss oil to effectively prevent aging of the gloss oil, absorb the ultraviolet rays and protectan printed pattern in the gloss oil, so that the printed pattern can maintain good color and gloss for a long time.

Description

technical field [0001] The invention belongs to the technical field of varnish, and in particular relates to a varnish which can be used for UV printing. Background technique [0002] At present, UV printers occupy an increasingly important position in the printing market, and are widely used in various fields such as decoration and building materials, advertising processing, enterprise production, oil painting industry, and personalized customization. UV flatbed printer adopts piezoelectric inkjet printing technology, without direct contact with the surface of the material, relying on the voltage inside the nozzle to spray the ink in the nozzle hole to the surface of the substrate to achieve the purpose of printing pictures. And the ultraviolet wave emitted by the LED cold light source lamp reacts with the photosensitive curing agent in the UV ink, causing the pigment molecules in the UV ink to solidify on the surface of the material to realize the drying of the ink. [00...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/14C09D167/06C09D163/10C09D7/63
CPCC09D163/10C09D167/06C09D175/14C09D7/63C08K5/18
Inventor 彭健华蒋卫华吴勇
Owner GUANGDONG HEYGEY LIGHT CURING MATERIALS
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