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Automatically sprayed ultraviolet curing paint and preparation method thereof

An automatic painting and ultraviolet light technology, applied in the direction of anti-corrosion coatings, coatings, etc., can solve the problems that restrict the use of anti-corrosion fields, and achieve the effects of shortening the construction period, good anti-corrosion effect, and high-quality coating film

Inactive Publication Date: 2012-03-14
SHANGHAI TITANOS IND
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Existing UV-curable coatings have a long-standing shortcoming that is difficult to overcome: due to the special curing method of UV-curable coatings, the curing process is completed within a few seconds, and the huge shrinkage makes thick coating impossible, which restricts the use in the field of anti-corrosion
UV-curable coatings have not been applied in the field of anti-corrosion technology, especially in the field of heavy-duty anti-corrosion. This technical problem has not been solved for a long time.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0057] Add 100g of oligomer Sartomer CN9070A60, 40g of butanediol diacrylate, 25g of KH-550, 5g of maleic anhydride, and 1g of mixing aid into a 1000ml tinplate tank, disperse at a low speed for 5 minutes with a disperser, and then add nano gas phase II 20g of silicon oxide was dispersed at high speed for 60 minutes, then cooled for use. After cooling, add 2g184, 2g907, 2gEDP, 50g acetone, 50g butyl acetate, 20g ethylene glycol butyl ether, disperse at low speed for 5 minutes, filter and fill, install valve, and fill with 80g dimethyl ether. After leveling for 5 minutes after spraying, use a 365nm UV lamp to cure for 15 seconds. After cooling, test the performance. Note: the test method is after the data, and the following examples are the same.

[0058] Adhesion: Grade I GB / T 1720; Impact Strength: 490N cm GB / T 1732;

[0059] Flexibility: 2mm GB / T 6742; Salt spray resistance: 28 days qualified GB / T 1771;

[0060] Pencil hardness: 2H GB / T 6739; Water resistance: 180 days qu...

Embodiment 2

[0063] Add 100g of oligomer Chiba UV7A, 40g of hexanediol diacrylate, 25g of KH-550, 5g of maleic anhydride, and 1g of mixing aids into a 1000ml tinplate tank, disperse at a low speed for 5 minutes with a disperser, and then add nano gas phase II 20g of silicon oxide was dispersed at high speed for 60 minutes, then cooled for use. After cooling, add 2g184, 2g907, 2gEDP, 50g acetone, 50g butyl acetate, 20g ethylene glycol butyl ether, disperse at low speed for 5 minutes, filter and fill, install valve, and fill with 80g dimethyl ether. After leveling for 5 minutes after spraying, use a 365nm UV lamp to cure for 15 seconds. After cooling, the test performance is as follows:

[0064] Adhesion: Grade I GB / T 1720; Impact Strength: 490N cm GB / T 1732;

[0065] Flexibility: 2mm GB / T 6742; Salt spray resistance: 28 days qualified GB / T 1771;

[0066] Pencil hardness: 3H GB / T 6739; Water resistance: 180 days qualified GB / T 1733;

[0067] Wear resistance 1000g / 1000r, mg: 33 ASTM D 4060. ...

Embodiment 3

[0069] Add 100g of oligomer Chiba UV7A, 40g of hexanediol diacrylate, 25g of KH-570, 5g of maleic anhydride, and 1g of mixing aid into a 1000ml tinplate tank, disperse at a low speed for 5 minutes with a disperser, and then add nano gas phase II 20g of silicon oxide was dispersed at high speed for 60 minutes, then cooled for use. After cooling, add 2g184, 2g907, 2gEDP, 50g acetone, 50g butyl acetate, 20g ethylene glycol butyl ether, disperse at low speed for 5 minutes, filter and fill, install valve, and fill with 80g dimethyl ether. After leveling for 5 minutes after spraying, use a 365nm UV lamp to cure for 15 seconds. After cooling, the test performance is as follows:

[0070] Adhesion: Grade I GB / T 1720; Impact Strength: 490N cm GB / T 1732;

[0071] Flexibility: 2mm GB / T 6742; Salt spray resistance: 28 days qualified GB / T 1771;

[0072] Pencil hardness: 3H GB / T 6739; Water resistance: 180 days qualified GB / T 1733;

[0073] Wear resistance 1000g / 1000r, mg: 28ASTM D 4060. ...

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PUM

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Abstract

The invention relates to an ultraviolet curing paint, and concretely relates to an automatically sprayed ultraviolet curing paint and a preparation method thereof. A disadvantage of present ultraviolet curing paints is that: the curing process is completed in several seconds, and the large contraction makes the formation of the thick coating to be impossible, so the usage of the paints in the anticorrosion field is restricted. The ultraviolet curing paint comprises the following substances, by weight, 100 parts of an oligomer, 20-50 parts of a monomer, 10-30 parts of a coupling agent, 2-10 parts of an acid anhydride, 1-2 parts of a mixed assistant, 10-30 parts of nanometer silica, 3-10 parts of a photoinitiator, 80-200 parts of a solvent and 100-200 parts of a propellent. The ultraviolet curing paint of the invention, which allows a technical problem of ultraviolet curing paints for the equipment anticorrosion to be solved, has the advantages of good anticorrosion effect, convenient construction, no need of compressed air, realization of the automatic spray, simple preparation method, safety, no pollution, fast curing speed, high production efficiency, high film quality, and excellent coating performance.

Description

technical field [0001] The invention relates to an ultraviolet light curing paint, in particular to an ultraviolet light curing automatic spray paint and a preparation method thereof. Background technique [0002] Since its invention in 1947, UV-curable coatings have been widely used in various fields, such as paper, wood, plastics, metals, optical discs, optical fibers, electronic communications, sporting goods, automobiles, architectural coatings, packaging materials, etc. Applications. The development speed of my country's UV-curable coating technology is increasing at a rate of 20%-30% every year, and the application of UV-curable coatings in various fields is becoming more and more extensive. [0003] UV-curable coatings have many advantages that other coatings cannot match, which are shown in: 1. Energy saving and high energy utilization rate; 2. No solvent emission, safe and pollution-free; 3. Fast curing speed and high production efficiency; 4. Can be painted 5. Hi...

Claims

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Application Information

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IPC IPC(8): C09D4/02C09D5/08
Inventor 杨涛
Owner SHANGHAI TITANOS IND
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