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Antistatic abrasion-resistant UV coating and preparation method thereof

An antistatic and coating technology, applied in the field of materials, can solve the problems of unstable electrical properties, dark color, and difficult to disperse, and achieve the effects of cost saving, easy cleaning, and reduction of electrostatic adsorption.

Inactive Publication Date: 2010-10-06
CHANGSHA HUALIANG COATING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the carbon series fillers are cheap, they have the disadvantages of dark color, difficult dispersion and unstable electrical properties

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Paint preparation process: Add silane coupling agent and reactive diluent together into a clean vessel, disperse evenly at high speed, slowly add nano conductive attapulgite powder, disperse at high speed until the temperature of the mixed liquid rises to 50°C, slowly add multifunctional polyurethane acrylate , epoxy acrylate, photoinitiator and stir evenly.

[0030] Performance test method: apply the above-mentioned paint to a clean glass plate with a paint film preparation device to form a coating with a thickness of 40 microns, and UV cure (the plate surface receives irradiation energy to ensure that it is ≥ 400mj / cm 2 ), after 24 hours in an environment of 20°C, perform a performance test.

[0031] Performance: The surface resistance of the coating is 6.5×10 8 Ohm, Taber wear test 100 rpm weight loss 0.0045 grams, surface hardness ≥ 3H, 5% sodium hydroxide soaked for 24 hours without change.

Embodiment 2

[0034] Paint preparation process: Add silane coupling agent and reactive diluent together into a clean vessel, disperse evenly at high speed, slowly add nano conductive attapulgite powder, disperse at high speed until the temperature of the mixed liquid rises to 50°C, slowly add multifunctional polyurethane acrylate , epoxy acrylate, photoinitiator and stir evenly.

[0035] Performance test method: apply the above-mentioned paint to a clean glass plate with a paint film preparation device to form a coating with a thickness of 40 microns, and UV cure (the plate surface receives irradiation energy to ensure that it is ≥ 400mj / cm 2 ), after 24 hours in an environment of 20°C, perform a performance test.

[0036] Performance: The surface resistance of the coating is 5×10 7 Ohm, Taber wear test 100 rpm weight loss 0.0075 grams, surface hardness ≥ 3H, 5% sodium hydroxide soaked for 24 hours without change.

Embodiment 3

[0040] Paint preparation process: Add silane coupling agent and reactive diluent together into a clean vessel, disperse evenly at high speed, slowly add nano conductive attapulgite powder, disperse at high speed until the temperature of the mixed liquid rises to 50°C, slowly add multifunctional polyurethane acrylate , epoxy acrylate, photoinitiator and stir evenly.

[0041] Performance test method: apply the above-mentioned paint to a clean glass plate with a paint film preparation device to form a coating with a thickness of 40 microns, and UV cure (the plate surface receives irradiation energy to ensure that it is ≥ 400mj / cm 2 ), after 24 hours in an environment of 20°C, perform a performance test.

[0042] Performance: The surface resistance of the coating is 4.8×10 6 Ohm, Taber wear test 100 rpm weight loss 0.0055 grams, surface hardness ≥ 3H, 5% sodium hydroxide soaked for 24 hours without change.

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Abstract

The invention specifically relates to an antistatic abrasion-resistant UV coating and a preparation method thereof, and belongs to the field of materials. The antistatic abrasion-resistant UV coating comprises the following components in percentage by mass: 5 to 35 percent of multifunctional polyurethane acrylate, 15 to 45 percent of epoxy acrylate, 10 to 40 percent of reactive diluent, 2 to 12 percent of photoinitiator, 0.5 to 3 percent of other additives, 5 to 25 percent of conductive nano-attapulgite powder, and 0.05 to 0.5 percent of silane coupling agent. The coating of the invention has an appearance of white liquid or light yellow liquid; the surface resistance of a coat prepared by the coating of the invention is 4.8*10<6> to 6.5*10 <8> ohms; the 100-revolution weight loss in the Taber abrasion resistance test is 0.0045 to 0.0075 gram; and the surface hardness is more than or equal to 3 H; and the coating does not change after dipping in 5 percent sodium hydroxide for 24 hours. The antistatic abrasion-resistant UV coating of the invention has the advantages of simple preparation, low cost, convenient use, good effect and wide application prospect.

Description

technical field [0001] The invention belongs to the field of materials, and in particular relates to an antistatic and wear-resistant UV coating and a preparation method thereof. Background technique [0002] Antistatic coatings are a group of special functional coatings with volume resistivity within a certain range. Its earliest research record is the conductive adhesive patent published in the United States. Japan has long developed silver-based and carbon-based antistatic coatings, which are used in the electronics industry and military fields. Our research in this area started relatively late, but developed rapidly, especially since the country mandated the use of antistatic coatings for oil tanks in the 1990s, the application of such coatings in oil tanks has developed rapidly. [0003] At the same time, with the development of high technology and the wide application of polymer materials, static electricity problems are also very prominent in some electronic industr...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D175/14C09D163/00C09D4/02C09D7/12
Inventor 沈剑锋
Owner CHANGSHA HUALIANG COATING
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