Water-based anti-dazzle UV coating, hard coated film and preparation method of hard coated film

A hardened film, water-based technology, applied in the direction of polyurea/polyurethane coatings, coatings, etc., can solve the problem that the hardness and wear resistance of the coating film are not as good as those of solvent-based anti-glare UV coatings, and the tightness is not as good as that of solvent-based anti-glare UV coatings. low level problem

Active Publication Date: 2015-11-11
ZHANGJIAGANG KANGDE XIN OPTRONICS MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, compared with traditional solvent-based anti-glare UV coatings, the performance of water-based anti-glare UV coatings is lower than that of solvent-based anti-glare UV coatings, which is mainly determined by the film-forming mechanism of water-based anti-glare UV coatings. Water-based a

Method used

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  • Water-based anti-dazzle UV coating, hard coated film and preparation method of hard coated film

Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0058] The present invention also provides a kind of preparation method of cured film, comprises the following steps:

[0059] A) In parts by weight, 30-90 parts of water-based urethane acrylate prepolymer, 10-60 parts of diluted monomer, 5-100 parts of anti-glare particles, 0.05-10 parts of water-based wetting and dispersing agent, 0.05-5 1 part of water-based leveling agent, 1-20 parts of water, 0.5-10 parts of water-based photoinitiator and 1-30 parts of water-based isocyanate curing agent are mixed to obtain a water-based anti-glare UV coating;

[0060] B) coating the water-based anti-glare UV coating obtained in the step A) on the surface of the substrate, and irradiating with ultraviolet light to obtain a semi-finished hardened film;

[0061] C) thermally curing the semi-finished cured film obtained in step B) to obtain a cured film.

[0062] The present invention is preferably prepared according to the dosage of each component in the step A) and according to the prepar...

Embodiment 1

[0073] The raw materials and consumption (parts by weight) used in this embodiment are shown in Table 1.

[0074] Raw material and consumption of table 1 embodiment of the present invention 1

[0075] Waterborne polyurethane acrylate

UCECOAT 7200

40 copies

Aliphatic Polyurethane Dispersions

UCECOAT 7699

20 copies

pentaerythritol triacrylate

EM 235

20 copies

Dipentaerythritol Pentaacrylate

Miramer M500

20 copies

Deionized water

Deionized water

10 copies

2-Hydroxy-4'-(2-hydroxyethoxy)-2-methylpropiophenone

IRGACURE 2959

2 copies

1-Hydroxy-cyclohexyl-phenylmethanone

IRGACURE 184

3 copies

Silica matting powder

HP230 slurry

10 copies

Organically modified 500nm silica

NSI 500P

10 copies

10-15nm silicon dioxide

IPA-ST

20 copies

Alkanolamine with acidic group polymer copolyester

DISPERBYK-180

0.4 parts

Polyether ...

Embodiment 2

[0085] The raw materials and consumption (parts by weight) used in this embodiment are shown in Table 2.

[0086] Raw material and consumption of table 2 embodiment of the present invention 2

[0087] Waterborne Aliphatic Polyurethane Dispersions

UCECOAT 7655

40 copies

Waterborne polyurethane acrylate

UCECOAT 7200

20 copies

dipentaerythritol hexaacrylate

EM 264

15 copies

pentaerythritol triacrylate

EM 235

25 copies

Deionized water

Deionized water

5 copies

2-Hydroxy-2-methyl-1-phenyl-1-propanone

IRGACURE 1173

3 copies

2-Hydroxy-4'-(2-hydroxyethoxy)-2-methylpropiophenone

IRGACURE 2959

2 copies

Silica matting powder

OK 520

10 copies

Organically modified 600nm silica

NSI 650S

8 servings

70~100nm silicon dioxide

IPA-ST-L

15 copies

Pigment affinity group polymer interpolymer

DISPERBYK-184

0.3 parts

Polyether mo...

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Abstract

The invention provides water-based anti-dazzle UV coating. The water-based anti-dazzle UV coasting comprises, by weight, 30-90 parts of waterborne polyurethane urethane acrylate prepolymer, 10-60 parts of diluting monomers, 5-100 parts of anti-dazzle particles, 0.05-10 parts of waterborne wetting dispersant, 0.05-5 parts of waterborne flatting agents, 1-20 parts of water, 0.5-10 parts of waterborne photoinitiator and 1-30 parts of waterborne isocyanate curing agents. The water-based anti-dazzle UV coating is water-based coating and is environmentally friendly, waterborne isocyanate curing agents are matched with the waterborne polyurethane urethane acrylate prepolymer and the diluting monomers, and the overall abrasion resistance of a coating obtained after the water-based anti-dazzle UV coating is cured can be obviously improved. The invention further provides a hard coated film and a preparation method of the hard coated film. An experimental result indicates that the rigidity of the hard coated film formed by the coating is 3 H, and no scratch is generated even though the hard collated film is rubbed by 1,000 g of loads 20 times.

Description

technical field [0001] The invention belongs to the technical field of water-based coatings, and in particular relates to a water-based anti-glare UV coating, a cured film and a preparation method thereof. Background technique [0002] On the display screen of a liquid crystal display or a plasma display, in order to protect the screen from being scratched, a layer of high light-transmitting hardened film needs to be pasted on the display screen. However, when the general high-transparency hardened film is used, the phenomenon of "glare" often occurs due to the reflection of the surface of the board. "Glare" not only affects the visibility of the screen, but also causes certain damage to human eyes. At present, the anti-glare effect can be achieved by adding a certain amount of anti-glare particles to the hardened coating to soften the light reflected from the surface of the film. [0003] Due to the characteristics of high efficiency, wide application, economy, energy sav...

Claims

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Application Information

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IPC IPC(8): C09D175/14C09D7/12C08J7/04
Inventor 王友东沈锋李冠毅丁清华
Owner ZHANGJIAGANG KANGDE XIN OPTRONICS MATERIAL
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