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Wood product surface waterborne opening white paint coating processing process

A processing technology and wood product technology, applied in the field of water-based open white paint coating processing technology on the surface of wood products, can solve the problems of water-based paint radiation curing, external temperature resistance, corrosion resistance and weak solvent resistance, high production cost, high cost price, etc. problems, to achieve the effect of ensuring physical properties and process requirements, uniform surface without oil accumulation, and improving efficiency

Inactive Publication Date: 2017-12-08
MENGTIAN HOUSEHOLD GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] 1. After the water-based paint is formed into a film, it is relatively dry and relatively poor in permeability;
[0005] 2. Water-based coatings are also weak in terms of water resistance, radiation curing, external temperature resistance, corrosion resistance, and solvent resistance. They are only suitable for products at the bottom price, while their cost prices are relatively high.
[0006] 3. The paint utilization rate of traditional wood product coating enterprises is only 35-40%, and the production cost is relatively high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] Spraying water-based clear primer in the step (2) has the following functions and characteristics:

[0050] 1. Deep penetration function: ensure that the wood product substrate is covered by the primer film-forming material. The test shows that the primer can penetrate 1.5mm deep on the solid wood substrate, ensuring that the wood product substrate is fully penetrated and wrapped;

[0051] 2. Sealing function: One-component water-based clear primer is used, which is a pure acrylic sealing function resin, which can firmly seal the tannin in the wood product base material and some oils from veneer miscellaneous wood inside the wood, eliminating future flooding. Risk of yellowing or oiling;

[0052] 3. Excellent adhesion and flexibility;

[0053] 4. Excellent anti-expansion tendon function: that is, the stable shape and size of the bow and arrow make it possible for subsequent robot automatic assembly;

[0054] 5. Excellent anti-yellowing function;

[0055] 6. High soli...

Embodiment 2

[0058] Spraying water-based open white primer in the step (5) has the following functions and characteristics:

[0059] 1. Excellent adhesion between primer layers in step (1);

[0060]2. Optimized rheological properties: effectively retain the opening of wooden conduits;

[0061] 3. The same excellent sealing function: the sealing performance of the non-wood pipe part is further strengthened;

[0062] 4. Excellent hiding power and anti-yellowing performance: provide further protection for the anti-yellowing of the entire coating;

[0063] 5. Moderate grinding performance: provide the basis for the perfect coating of topcoat;

[0064] 6. High solid content: Balanced and optimized rheology makes reciprocating automatic spraying and rapid drying possible.

Embodiment 3

[0066] Spraying water-based open white topcoat in the step (8) has the following functions and characteristics:

[0067] 1. Excellent adhesion between primer layers in step (5);

[0068] 2. Provide fast drying performance: suitable for automatic reciprocating spraying;

[0069] 3. Optimized rheological properties: it can provide an open wooden conduit while providing excellent hiding power, making it possible for subsequent antique treatment;

[0070] 4. The topcoat has a smooth feel;

[0071] 5. The topcoat provides excellent yellowing resistance;

[0072] 6. The optimized treatment process makes the topcoat a one-component topcoat to provide fast and efficient coating, without the need to strengthen drying after offline, effectively improving production efficiency.

[0073] Wherein, the step (2) of spraying the water-based clear primer adopts machine spraying, so that the surface of the wooden product is even without oil accumulation.

[0074] Wherein, the step (5) spray...

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Abstract

The invention provides a wood product surface waterborne opening white paint coating processing process. The processing process comprises the first step of white blank sanding, the second step of spraying of waterborne clear primer, the third step of drying, the fourth step of sanding, the fifth step of spraying of waterborne opening white primer, the sixth step of drying, the seventh step of sanding, the eighth step of spraying of waterborne opening white finish, the ninth step of drying, the tenth step of staining and the eleventh step of drying. The single-component waterborne primer, waterborne opening white primer and waterborne opening white finish are adopted, the physical performance and technological requirements of a paint film are ensured, an equipment recycling system can be better utilized for recycling, the coating using effective rate is greatly improved, the effective rate reaches 79.5% or above, the coating cost is reduced, and the surface of a wood product is smooth, flat, uniform and free of oil accumulation.

Description

technical field [0001] The invention relates to the field of coating technology, in particular to a coating processing technology of water-based open white paint on the surface of wooden products. Background technique [0002] Water-based paint is generally made of acrylic emulsion, which has many advantages, such as acrylic emulsion has the advantages of high solid content, fast drying speed, strong hardness and good weather resistance; in addition, water-based paint is very low in VOC content. It has a huge effect on reducing the pollution emission of coating in woodware and furniture enterprises, so it is widely used. [0003] However, researchers have found through research at home and abroad that water-based coatings also have the following defects: [0004] 1. After the water-based paint is formed into a film, it is relatively dry and relatively poor in permeability; [0005] 2. Water-based coatings are also weak in terms of water resistance, radiation curing, extern...

Claims

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Application Information

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IPC IPC(8): B05D1/38B05D3/00B05D3/02B05D3/04B05D7/00B05D7/08
CPCB05D1/38B05D3/002B05D3/007B05D3/0254B05D3/0413B05D7/08B05D7/586
Inventor 余静渊崔正峰杨华丰
Owner MENGTIAN HOUSEHOLD GRP CO LTD
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