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Heat-resistant solvent-resistant LED-UV curing elastic coating system for veneers as well as preparation method and coating method thereof

A coating method and solvent-resistant technology, used in coatings, fire-retardant coatings, epoxy resin coatings, etc., can solve the problems of poor adhesion and low penetration ability, and achieve no thermal damage, low heat generation, and good coating. The effect of layer penetration

Inactive Publication Date: 2021-01-26
HUNAN JINHAI SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The ultraviolet light in a specific band is not concentrated, and the penetration ability is low, especially the problem of poor adhesion on dark wood veneer

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0055] A kind of LED-UV cured elastic putty paint preparation formula is each group each component of following percentage by weight:

[0056] Elastic polyurethane 50%

[0057] Modified epoxy resin 10%

[0058] Special monomer 30%

[0059] Photoinitiator 6%

[0060] Leveling agent 0.3%

[0061] Defoamer 0.3%

[0062] Adhesion Promoter 3%

[0063] A kind of LED-UV cured elastic sanding primer preparation formula has the following components in weight percentage:

[0064] Elastic polyurethane 40%

[0065] Modified epoxy resin 10%

[0066] Special monomer 25%

[0067] Photoinitiator 6%

[0068] Leveling agent 0.3%

[0069] Defoamer 0.3%

[0070] Talc 15%

[0071] Anti-settling agent 0.5%

[0072] Dispersant 0.3%.

Embodiment 2

[0074] A kind of LED-UV cured elastic putty paint preparation formula is each group each component of following percentage by weight:

[0075] Elastic polyurethane 55%

[0076] Modified epoxy resin 10%

[0077] Special monomer 22%

[0078] Photoinitiator 6%

[0079] Leveling agent 0.3%

[0080] Defoamer 0.3%

[0081] Adhesion Promoter 3%

[0082] A kind of LED-UV cured elastic sanding primer preparation formula has the following components in weight percentage:

[0083] Elastic polyurethane 42%

[0084] Modified epoxy resin 12%

[0085] Special monomer 26%

[0086] Photoinitiator 6%

[0087] Leveling agent 0.3%

[0088] Defoamer 0.3%

[0089] Talc 14%

[0090] Anti-settling agent 0.5%

[0091] Dispersant 0.3%.

Embodiment 3

[0093] A kind of LED-UV cured elastic putty paint preparation formula is each group each component of following percentage by weight:

[0094] Elastic polyurethane 54%

[0095] Modified epoxy resin 11%

[0096] Special monomer 24%

[0097] Photoinitiator 5%

[0098] Leveling agent 0.3%

[0099] Defoamer 0.3%

[0100] Adhesion Promoter 3%

[0101] A kind of LED-UV cured elastic sanding primer preparation formula is as follows by weight percentage

[0102] The components of each group:

[0103] Elastic polyurethane 42%

[0104] Modified epoxy resin 12%

[0105] Special monomer 26%

[0106] Photoinitiator 6%

[0107] Leveling agent 0.3%

[0108] Defoamer 0.3%

[0109] Talc 14%

[0110] Anti-settling agent 0.5%

[0111] Dispersant 0.3%.

[0112] The performance measurement of the elastic coating veneer cured by the LED-UV obtained in this embodiment;

[0113] Detection phase national standard result Attached to GB / 15036.2-2001 level 0 ...

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Abstract

The invention relates to a heat-resistant solvent-resistant LED-UV curing elastic coating system for veneers as well as a preparation method and a coating method thereof. The LED-UV coating system iscomposed of two paints, and the PU finish paint can be well coated after the two paints are subjected to common roller coating and positive and negative roller coating. The specific use method of theelastic coating comprises the following steps: firstly, coating a wood roller with LED-UV elastic putty, and then coating the wood roller with LED-UV elastic sanding primer. An LED-UV low-energy curing light source is effectively utilized, rapid deep curing is achieved, energy consumption is low, the adhesive force is excellent, and good high-temperature resistance and solvent resistance are achieved. Sense of reality of natural veneers is achieved. Compared with a traditional process effect, a paint film has good elasticity, the veneers are more flexible, and a high-temperature-resistant lighter can resist carbonization of the burning back face of the lighter without bubbling or cracking after being folded by 180 degrees. And the PU finish paint can be well coated on the surface.

Description

technical field [0001] The invention relates to the field of ultraviolet light curing materials, in particular to a heat-resistant and solvent-resistant LED-UV curing elastic coating system for wood veneer and its preparation and coating method. Background technique [0002] Traditional solvent-based veneer coatings contain a large amount of VOC solvents, have slow curing speed, low production efficiency, and are very harmful to human health during production and use. In recent years, UV-cured elastic veneer system coatings have become the most concerned new type of veneer coatings due to their advantages of environmental protection, high efficiency, high quality, and wide application, and have great development prospects. [0003] The UV-cured elastic veneer system coating is cured by a high-pressure mercury lamp UV light source. The high-pressure mercury lamp emits only 30% of the ultraviolet light energy under working conditions, and most of it is infrared energy. A larg...

Claims

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Application Information

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IPC IPC(8): C09D175/04C09D163/10C09D5/34C09D5/00
CPCC08L2201/08C09D5/002C09D5/18C09D5/34C09D175/04C08L63/10C08K3/34
Inventor 刘立新沈轩李祥
Owner HUNAN JINHAI SCI & TECH
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