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Double-curing vacuum plating UV (Ultraviolet) coating finish

A vacuum electroplating and dual curing technology, applied in the field of coatings, can solve the problems of inability to achieve UV curing and thermal curing, and achieve the effects of high hardness, good adhesion, and good fullness

Active Publication Date: 2013-02-13
深圳市深赛尔股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Obviously, the coating is a UV-cured coating used by a common curing agent, not a vacuum electroplating UV-cured coating with dual curing effects, and cannot achieve the effects of UV-cured and heat-cured

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0034] (1) Ingredients:

[0035]Mix 4 parts of mixed solvent and 3 parts of photoinitiator (including 2 parts of 1-hydroxycyclohexyl phenyl ketone; 2, 4, 6 - 1 part of trimethylbenzoyl diphenylphosphine oxide) into the tank, soak for 10-15 minutes.

[0036] (2) Stir to disperse:

[0037] After the batching is completed, 20 parts of urethane acrylate containing high-functional hydroxyl group, 20 parts of urethane acrylate containing low-functional group of hydroxyl group, 5 parts of trimethylolpropane triacrylate and 1 part of inorganic filler are added. Then use a disc mixer to disperse at a medium speed for 5-10 minutes, and visually stir completely to get the base ink (if there is white foam, it is normal).

[0038] (3) Adjustment: Dilute the dispersed base ink by adding the remaining 1 part of mixed solvent, adjust the viscosity to 8.5s, then add 2 parts of isocyanate, and filter with a 400-mesh filter cloth to form a dual-curing vacuum plating UV coating top coat.

[0...

Embodiment 2

[0041] (1) Ingredients:

[0042] Mix 6 parts of mixed solvent and 6 parts of photoinitiator (including 4 parts of 1-hydroxycyclohexyl phenyl ketone; 2, 4, 6 - 2 parts of trimethylbenzoyl diphenylphosphine oxide) into the tank, soak for 10-15 minutes.

[0043] (2) Stir to disperse:

[0044] After the batching is completed, add 35 parts of urethane acrylate containing high-functional groups of hydroxyl groups, 30 parts of urethane acrylates of low-functional groups containing hydroxyl groups, 0.3 parts of wetting agent, 0.5 parts of leveling agent, and 10 parts of functional acrylic active monomers, 5 parts of inorganic filler. Then use a disc mixer to disperse at a medium speed for 5-10 minutes, and visually stir completely to get the base ink (if there is white foam, it is normal).

[0045] (3) Adjustment: Dilute the dispersed base ink by adding 4 parts of mixed solvent, adjust the viscosity to 8.5s, then add 4 parts of isocyanate, filter with 400 mesh filter cloth, and the...

Embodiment 3

[0048] (1) Ingredients:

[0049] Mix 10 parts of solvent and 8 parts of photoinitiator (including 5 parts of 1-hydroxycyclohexyl phenyl ketone; 2, 4, 6- 3 parts of trimethylbenzoyl diphenyl phosphine oxide) into the tank, after soaking for 10-15 minutes.

[0050] (2) Stir to disperse:

[0051] After the batching is completed, add 45 parts of urethane acrylate containing high functional groups of hydroxyl groups, 40 parts of urethane acrylates of low functional groups containing hydroxyl groups, 0.5 parts of wetting agent, 1 part of leveling agent, and 15 parts of functional acrylic active monomers, 10 parts of inorganic filler. Then use a disc mixer to disperse at a medium speed for 5-10 minutes, and visually stir completely to get the base ink (if there is white foam, it is normal).

[0052] (3) Adjustment: Dilute the dispersed base ink by adding 5 parts of mixed solvent, adjust the viscosity to 8.5s, then add 5 parts of isocyanate, and filter with a 400-mesh filter cloth ...

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PUM

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Abstract

The invention relates to double-curing vacuum plating UV (Ultraviolet) coating finish. Hydroxyl polyurethane acrylate with a high functional group and hydroxyl polyurethane acrylate with a low functional group are used as main components, a photoinitiator and isocyanate are used as curing agents, a wetting dispersant and a flatting agent are used as auxiliary materials, inorganic fillers are mixed, a solvent is used as a viscosity modifier, and all the components are mixed to prepare the double-curing vacuum plating UV coating finish. The product is widely applied to adornment of goods including plastic electronic products such as mobile phones and electrical equipment, as well as cosmetic boxes, automobile lamp cups and the like.

Description

technical field [0001] The invention relates to coatings, especially the top coats of decorative coatings for plastic electronic products such as mobile phones and electrical appliances, cosmetic packaging boxes, and automobile lamps. Background technique [0002] The vacuum coating process, also known as the vacuum plating process, refers to the deposition of a certain metal or metal compound in the form of gas on the surface of a material (usually a non-metallic material) in a vacuum environment, which belongs to the physical vapor deposition process (PVD). Vacuum electroplating UV light-curing coating method is: place the object to be evaporated, such as plastic or film, in a high-vacuum chamber, and evaporate metals such as aluminum, tin, indium, and copper by heating them, and the metal vapor scatters and cools with the average free path. And adhere to the surface of the vapor-deposited object to form a metal film, so that the surface of the object has a metallic appear...

Claims

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Application Information

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IPC IPC(8): C09D175/14
Inventor 刘国民
Owner 深圳市深赛尔股份有限公司
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