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Water spray-resistant UV gloss oil composition and preparation method thereof

A technology of oil composition and photosensitizer, which is applied in the direction of specific visual effect coating, etc., can solve the problems that water mist cannot be completely eliminated, water mist cannot be completely solved, and product gloss is reduced.

Active Publication Date: 2017-04-26
永发印务(东莞)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the smooth surface and poor absorption of gold and silver cardboard, it is easy to generate mist-like droplets between the film and the printed product during the film coating process of the outer layer of the product, which adheres to the film, and even the parts of the paper and film Adhesion, seriously affecting product quality
At present, the water mist is mainly solved by adding polyethylene wax, modified polyethylene wax or adjusting the ratio of varnish and matte oil, but none of them can completely solve the water mist and the gloss of the product is seriously reduced. Nano-oxidation is also added. Aluminum absorbs odor and moisture, but it cannot completely eliminate water mist
There are many patents in the prior art to eliminate water mist, but they cannot completely solve the problem of water mist without affecting the gloss and quality of printed matter.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] Polyester Acrylic 6349: 15%, Epoxy Acrylic 6200B-90: 30%

[0025] HDDA: 30%; TMPTA: 10%

[0026] Initiator: TPO4%;

[0027] Solvent: 5%;

[0028] Photosensitizer: active amine 1%;

[0029] Affinity agent: 0.3%

[0030] Defoamer: 0.4%

[0031] Leveling agent: 0.3%

[0032] Anti-fog additive ZAB-160: 3%

[0033] Nano SiO2: 1%

[0034] First add the initiator into the solvent, stir at high speed (800r / min) in a closed space for 30min and then dissolve completely, then add monomer, resin and other materials and stir at high speed (1500r / min), stir evenly and set aside.

[0035] In this case, two kinds of resins (polyester acrylic resin and epoxy acrylic resin) are used to reduce the economic cost and improve the properties of a single-component curing film. The cross-linked resin film has high gloss, good weather resistance and thermal stability. Good, moderate toughness, easy post-processing, in the water mist test of the product "Tianxiaxiu", the water mist area i...

Embodiment 2

[0037] Epoxy acrylic 6200B-90 20%, polyurethane acrylic 7420F 10%, polyester acrylic 10%;

[0038] HDDA: 28%, TMPTA: 15%;

[0039] Initiator 184: 5%

[0040] Solvent: acetone 2%; ethyl acetate: 5%

[0041] Affinity agent: 0.3%

[0042] Defoamer: 0.4%

[0043] Leveling agent: 0.3%

[0044]Anti-fog additive ZAB-160: 3%

[0045] Nano SiO2: 1%

[0046] First add the initiator to the solvent, stir at high speed (800r / min) in a closed space for 30 minutes and then completely dissolve, then add monomer, resin and other materials and stir at high speed (1500r / min), stir evenly and set aside.

[0047] In this case, three kinds of resins are used, and compared with the polyurethane resin added in Case 1, the crosslinked resin film has enhanced adhesion to metals and plastics, and is easy to process (die-cutting, bronzing, etc.). In the production test of the "box", the area of ​​the generated water mist is below 2%, which meets the production requirements.

Embodiment 3

[0049] Polyurethane Acrylic 45%;

[0050] HDDA: 25%, TMPTA: 14%;

[0051] Initiator 184: 5%

[0052] Solvent: acetone 5%; ethyl acetate: 5%

[0053] Affinity agent: 0.3%

[0054] Defoamer: 0.4%

[0055] Leveling agent: 0.3%

[0056] First add the initiator to the solvent, stir at high speed (800r / min) in a closed space for 30 minutes and then completely dissolve, then add monomer, resin and other materials and stir at high speed (1500r / min), stir evenly and set aside.

[0057] In this case, only polyurethane acrylic acid was used, without adding additives such as silicon dioxide. In comparison case 2, in the production test of "Dragon Phoenix Red Double Happiness Small Box", the area of ​​water mist generated reached 50%, which seriously affected product quality.

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Abstract

The invention relates to a water spray-resistant UV gloss oil composition and a preparation method thereof. The composition comprises 30-60% of multifunctional acrylic resin, 30-60% of a monomer, 3-10% of a photoinitiator, 5-10% of a solvent, 0.1-1% of a photosensitizer, 0.1-3% of nanometer nonmetal oxide, 1-4% of a spray resistant assistant, and 1-3% of other assistants. The multifunctional acrylic resin is selected, and the proportion of the monomer is adjusted, so the solidification speed and the cross-linked stability of gloss oil are improved; and addition of nano-silica changes the surface morphology of the microstructure of a printed product, improves the surface tension, reduces the wetting angle and spreads water spray; and the extremely strong hydrophilicity of the composition makes the printed product and the film smooth, and reduces the water spray formation probability, so no droplets are formed on the surface of an elaborate box to keep the film transparent.

Description

technical field [0001] The invention relates to a waterproof fog UV varnish composition and a preparation method thereof, in particular to a waterproof fog UV curable varnish for gold and silver cardboard. Background technique [0002] In the manufacturing process of tobacco, wine, cosmetics and other high-quality goods boxes, most of them use gold and silver cardboard (composite paper and transfer paper), UV ink and UV varnish and other raw materials to improve the environmental protection and anti-counterfeiting of products, and improve product grades. However, due to the smooth surface and poor absorption of gold and silver cardboard, it is easy to generate mist-like droplets between the film and the printed product during the film coating process of the outer layer of the product, which adheres to the film, and even the parts of the paper and film Adhesion seriously affects product quality. At present, the water mist is mainly solved by adding polyethylene wax, modified...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): D21H19/66
CPCD21H19/66
Inventor 马超武军汪龙生张朝忠沈荣波葛纪者
Owner 永发印务(东莞)有限公司
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