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Ultraviolet light curing transparent priming paint and preparation method and use method thereof

A technology of transparent primer and ultraviolet light, which is applied in the direction of coating, epoxy resin coating, polyester coating, etc., can solve the problems of rough surface effect, small amount of one-time coating, and incomplete wetting, etc., to achieve fullness of the product The effect of increasing the speed, reducing the consumption of abrasive belts and improving product quality

Active Publication Date: 2013-03-06
SHENZHEN GRANDLAND ENVIRONMENTAL COATING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] At present, the roller coating methods commonly used in the field of UV wood paints are all coated with ordinary rubber rollers or silicone rollers with smooth surfaces. The problem with this method is that the amount of one-time coating is small, and the average coating amount is 15-20g. / ㎡, and the surface effect is relatively rough, showing a pockmarked surface, and the larger the coating amount, the rougher the surface and the more difficult it is to sand. It takes a lot of paint to make the sand flat without bright spots, which will cause a lot of loss to the abrasive belt
Because too much paint film is sanded off, the fullness of the topcoated product will be poor, and more times of roller coating are required to meet customer requirements
[0003] In response to the above phenomenon, laser roller coating primers with laser engraved line grooves have been launched on the market. After the ordinary UV roller coating transparent primer is applied by laser roller coating, the paint coating amount is only 15-20g / ㎡, and it is covered by the roller plate. The surface of the part is pitted, which makes the subsequent sanding process unable to proceed, and cannot achieve the effect of thick coating (25-35g / ㎡) and surface smoothness close to the mirror surface required by the laser roller
The reason is that ordinary UV roller-coated transparent primer cannot completely wet into the groove of the laser-engraved laser roller, and the paint cannot be quickly spread and leveled on the board after the laser roller is roller-coated, so it is not suitable for laser at all. Roller coater

Method used

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  • Ultraviolet light curing transparent priming paint and preparation method and use method thereof
  • Ultraviolet light curing transparent priming paint and preparation method and use method thereof
  • Ultraviolet light curing transparent priming paint and preparation method and use method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0048] 1. Prepare the special UV-curable transparent primer for laser rollers of the present invention:

[0049]Get each component according to the weight listed in "Example 1" in Table 1, and the preparation method is as follows:

[0050] Step 1. Bisphenol A epoxy acrylate resin, polyester acrylate, polyurethane acrylate, reagent type hydroxyethyl acrylate (2-HEA), tripropylene glycol diacrylate (TPGDA), trimethylolpropane triacrylate (TMPTA), photoinitiator (Changxing 6420, Tianjin Yingli 1173), wetting and dispersing agent (Efka EFKA4010) and leveling agent (Xintec MAS) were added to the container in sequence, and dispersed at 500PRM for 3-5 minutes until uniform ;

[0051] Step 2. Add anti-settling agent (Degussa A200), talc powder (Liaoning Qianhe LH-667), transparent powder (Housheng Chemical TM-2500) while stirring. After adding, disperse at 1200RPM for 15-20 minutes to Fineness ≤ 60 μm, filter through 100 meshes to obtain the UV-curable transparent primer for laser r...

Embodiment 2

[0056] With the weight of each component listed in "Example 2" in Table 1, repeat the method described in Example 1 (only the weight of each component changes), and make the special UV-curable transparent primer for laser rollers of Example 2, according to Example 1 The application method of the special UV-curable transparent primer for laser rollers is used for construction.

[0057] The routine performance test results are shown in the corresponding data of "Example 2" in Table 2.

Embodiment 3

[0059] With the weight of each component listed in "Example 3" in Table 1, repeat the method described in Example 1 (only the weight of each component changes), and make the special UV-curable transparent primer for laser rollers of Example 3, according to Example 1 The application method of the special UV-curable transparent primer for laser rollers is used for construction.

[0060] The routine performance testing results are shown in the corresponding data of "Example 3" in Table 2.

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Abstract

The invention discloses an ultraviolet light curing transparent priming paint and a preparation method and a use method thereof. The ultraviolet light curing transparent priming paint comprises the following components in percentage by weight: 20-30% of bisphenol A epoxy acrylate resin, 15-25% of polyester acrylate, 1-10% of urethane acrylate, 5-10% of reagent type hydroxyethyl acrylate, 10-20% of tripropylene glycol diacrylate, 12-25% of trimethylolpropane triacrylate, 4-6% of photoinitiator, 10-25% of filling powder and 0.4-0.8% of promotor. The ultraviolet light curing transparent priming paint is suitable for laser roller construction, has good grittiness and transparency, has the characteristics that sanding is not needed for semi-curing recoating between film layers and the like, and has thick coating performance and the performance that the surface is similar to a mirror surface, and compared with conventional roller coating, the coating weight is greatly increased, roller coating processes are saved, the priming paint is sanded by a sanding machine without large pressure and with a small number of sanded films, a workpiece has no bright spots, the fullness of a product is guaranteed, the product quality is improved, the loss of the machine is smallreduced, and the use amount of sanding belts is greatly reduced.

Description

technical field [0001] The invention relates to an ultraviolet light-curable primer, in particular to an ultraviolet light-curable transparent primer applied to laser rollers of woodware and its preparation method and application method. Background technique [0002] At present, the roller coating methods commonly used in the field of UV wood paints are all coated with ordinary rubber rollers or silicone rollers with smooth surfaces. The problem with this method is that the amount of one-time coating is small, and the average coating amount is 15-20g. / ㎡, and the surface effect is relatively rough, showing a pockmarked surface, and the larger the coating amount, the rougher the surface and the more difficult it is to sand. Only when more paint is removed can the sand be flat without bright spots, and the loss of the abrasive belt is very large. Because too much paint film is sanded off, the fullness of the finished product will be poor, and more times of roller coating are ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D163/00C09D167/06C09D175/14
Inventor 王双宋梓琪丁力胡基如王红梅叶树彬
Owner SHENZHEN GRANDLAND ENVIRONMENTAL COATING CO LTD
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