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Aqueous UV coating material and preparation method thereof

A coating and water-based technology, which is applied in the field of water-based UV coatings and its preparation, can solve problems such as spending a lot of time drying, and achieve the effects of reducing curing shrinkage, saving man-hours, and reducing toxicity and irritation

Inactive Publication Date: 2015-09-16
TIANJIN MEIGUAN TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although water-based UV coatings are very popular, there are still some problems: the existing water-based UV coatings can be completely dried after being irradiated by UV light; but if the UV light is not available, it takes a long time to dry completely, so ordinary Water-based UV coatings are mostly used for flat panel coating, and it takes a lot of time to dry for products with styling

Method used

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  • Aqueous UV coating material and preparation method thereof
  • Aqueous UV coating material and preparation method thereof
  • Aqueous UV coating material and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0024] A water-based UV coating, comprising the following components in parts by weight: 70 parts of nano polyurethane acrylic core-shell copolymer emulsion, 7 parts of DPNB, 13 parts of modified polytetrafluoroethylene, 7 parts of talcum powder, 3 parts of photoinitiator, 160 parts of water, 0.4 parts of pH regulator, and 0.7 parts of alkali swelling thickener.

[0025] The preparation method of above-mentioned waterborne UV paint, comprises the steps:

[0026] (1) First put 70 parts of nano-urethane acrylic acid core-shell copolymer emulsion into the container and stir at 500-700r / min;

[0027] (2) After mixing 7 parts of DPNB with 7 parts of water, slowly add it into the container;

[0028] (3) After putting in 13 parts of modified polytetrafluoroethylene and 7 parts of talcum powder, disperse at 1000-1200r / min for 20min;

[0029] (4) Slowly add 3 parts of photoinitiator, 153 parts of water, 0.4 part of pH regulator and 0.7 part of alkali swelling thickener into the conta...

Embodiment 2

[0031] A water-based UV coating, comprising the following components in parts by weight: 65 parts of nano polyurethane acrylic core-shell copolymer emulsion, 6 parts of DPNB, 14 parts of modified polytetrafluoroethylene, 8 parts of talcum powder, 2 parts of photoinitiator, 180 parts of water, 0.3 parts of pH regulator, and 0.6 parts of alkali swelling thickener.

[0032] The preparation method of above-mentioned waterborne UV paint, comprises the steps:

[0033] (1) First put 65 parts of nano polyurethane acrylic acid core-shell copolymer emulsion into the container and stir at 500-700r / min;

[0034] (2) After mixing 6 parts of DPNB with 6 parts of water, slowly add it into the container;

[0035] (3) After putting in 14 parts of modified polytetrafluoroethylene and 8 parts of talcum powder, disperse at 1000-1200r / min for 25min;

[0036] (4) Slowly add 2 parts of photoinitiator, 172 parts of water, 0.3 part of pH regulator and 0.6 part of alkali swelling thickener into the c...

Embodiment 3

[0038] A water-based UV coating, comprising the following components in parts by weight: 75 parts of nano polyurethane acrylic core-shell copolymer emulsion, 8 parts of DPNB, 12 parts of modified polytetrafluoroethylene, 6 parts of talcum powder, 4 parts of photoinitiator, 150 parts of water, 0.5 parts of pH regulator, and 0.8 parts of alkali swelling thickener.

[0039] The preparation method of above-mentioned waterborne UV paint, comprises the steps:

[0040] (1) First put 75 parts of nano-urethane acrylic acid core-shell copolymer emulsion into the container and stir at 500-700r / min;

[0041] (2) After mixing 8 parts of DPNB with 8 parts of water, slowly add it into the container;

[0042] (3) After putting in 12 parts of polytetrafluoroethylene and 6 parts of talcum powder, disperse at 1000-1200r / min for 25 minutes;

[0043] (4) Slowly add 4 parts of photoinitiator, 142 parts of water, 0.5 part of pH regulator and 0.8 part of alkali swelling thickener into the container...

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Abstract

The present invention relates to an aqueous UV coating material, and belongs to the field of coating materials. The aqueous UV coating material comprises, by weight, 60-80 parts of a nanometer polyurethane acrylic acid core-shell copolymerization emulsion, 4-10 parts of DPNB, 10-15 parts of modified polytetrafluoroethylene, 5-10 parts of talc powder, 2-4 parts of a photoinitiator, 100-200 parts of water, 0.3-0.5 part of a pH value adjusting agent, and 0.5-1 part of an alkali swelling thickener. The present invention further provides a preparation method of the aqueous UV coating material. The aqueous UV coating material of the present invention has characteristics of low toxicity, low irritation, no volatile organic solvent, no burning, safety, and short drying time, and is suitable for flat plate coating and modeling product coating, such that the disadvantage that most of the UV coating materials can only be used for the flat plate coating is solved with the aqueous UV coating material of the present invention.

Description

technical field [0001] The invention belongs to the field of coatings, in particular to a water-based UV coating and a preparation method thereof. Background technique [0002] With the enhancement of human awareness of environmental protection, various countries have successively formulated environmental protection regulations on VOC (volatile organic compound) emissions, and the emission standards have become increasingly strict, aiming to encourage the promotion of new products that are green, environmentally friendly, energy-saving and emission-reducing. Therefore, the development and application of environmentally friendly coatings such as safe and low-VOC water-based, powder and high-solid content in the field of coating coating is imperative. Because water-based UV coatings have the characteristics of many technical approaches, wide application, safety, and relatively simple construction, they have developed rapidly in Europe, America and other developed countries in ...

Claims

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Application Information

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IPC IPC(8): C09D175/14C09D127/18C09D7/12
Inventor 王兴伟
Owner TIANJIN MEIGUAN TECH
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