A three-dimensional paint process for furniture screen printing and internal carving

A technology for silk screen printing and furniture, applied in polyurea/polyurethane coatings, special surfaces, devices for coating liquids on surfaces, etc. Effect

Inactive Publication Date: 2015-07-29
DONGGUAN FUBAO SOFA MFG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is no furniture with a large field of view three-dimensional image produced by the paint process on the market, and there is no related literature

Method used

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  • A three-dimensional paint process for furniture screen printing and internal carving
  • A three-dimensional paint process for furniture screen printing and internal carving

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Embodiment 1: see Figure 1 ~ Figure 2 , the three-dimensional painting process for furniture screen printing and internal carving provided in this embodiment, which includes the following steps,

[0040](1) Soil filling: After setting the thickness of the surface of the furniture product 1 to be processed with a large-scale thickness-setting sander, a layer of putty is applied on the outer surface, and then polished and cleaned with coarse sandpaper to obtain the base layer 2 ;

[0041] (2) Spraying nano-sealing primer and polishing: evenly sweep the nano-primer on the surface of the product 1, and after the nano-primer is air-dried for 42 to 52 hours, polish and sand with coarse sandpaper to obtain the sealing primer layer 3 ;

[0042] (3) Spray PE primer: Spray the PE primer evenly on the sealing primer layer 3 in two to four times. After the PE primer is air-dried for 30 to 40 hours, sand the surface with sandpaper to obtain the upper bottom. paint layer 4;

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Embodiment 2

[0061] Embodiment 2: The basic steps of this embodiment are the same as in Embodiment 1, and its difference is that the preparation method of the PU topcoat also includes the following steps:

[0062] (51) In a four-necked flask equipped with a stirrer, a thermometer, a condenser and a dropping funnel, measure the components according to the following molar ratios, toluene diisocyanate 2: polyether diol 3: 1,4-butyl Diol 3: 2,2-dimethylol propionic acid 3: epoxy resin 4: hydroxypropyl acrylate 2: triethylamine 1: nano glass beads 3: pearl powder 1.5, toluene diisocyanate and polyether two Add the alcohol into the reaction system, drop the catalyst dibutyltin dilaurate, first react at 40°C for 30min, then raise the temperature to 80°C, and react at constant temperature for 1.5h;

[0063] (52) Cool down to 70°C, weigh 1,4-butanediol according to step (51), slowly add small molecule chain extender 1,4-butanediol dropwise with a dropping funnel, and keep the temperature for 50 min...

Embodiment 3

[0069] Embodiment 3: The basic steps of this embodiment are the same as in Embodiment 1, and its difference is that the preparation method of the PU topcoat also includes the following steps:

[0070] (51) In a four-necked flask equipped with a stirrer, a thermometer, a condenser and a dropping funnel, measure the components according to the following molar ratios, toluene diisocyanate 10: polyether diol 6: 1,4-butyl Diol 4: 2,2-dimethylol propionic acid 4: epoxy resin 3: hydroxypropyl acrylate 3: triethylamine 1.5: nano glass beads 4: pearl powder 2, toluene diisocyanate and polyether two Add the alcohol into the reaction system, drop the catalyst dibutyltin dilaurate, first react at 40°C for 30min, then raise the temperature to 80°C, and react at constant temperature for 1.5h~2h;

[0071] (52) Cool down to 75°C, weigh 1,4-butanediol according to step (51), slowly add small molecule chain extender 1,4-butanediol dropwise with a dropping funnel, and keep the temperature for 70...

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Abstract

The invention discloses a furniture screen printing internal engraving 3D (three-dimensional) paint process, which is characterized in that a technical flow process comprises the following steps that (1) puttying is carried out, and a substrate layer is obtained; (2) a nanometer sealing primer is sprayed, the grinding is carried out, and a sealing primer layer is obtained; (3) PE (polyethylene) primer is sprayed, and an upper primer layer is obtained; (4) 3D image preparation and decomposition is carried out, which means that 3D images to be subjected to screen printing are prepared and are decomposed into a plurality of transverse plane pattern layers and a plurality of longitudinal cloud point 3D pattern layers; (5) the multilayer screen printing and the finish paint spraying are carried out, and a plurality of compound finish paint layers with pattern layers are obtained; (6) the laser internal engraving is carried out, and longitudinally and transversely nested 3D images are formed. The process has the advantages that through the multilayer screen printing and the internal engraving, the 3D images with 3D effect are formed on products, and vivid and visual effects are realized. The invention also discloses epoxy modified waterborne polyurethane, which has the characteristics of high bonding capability, high modulus and intensity, high temperature resistance and good heat stability, and is suitable for the laser internal engraving.

Description

technical field [0001] The invention relates to the technical field of furniture manufacturing technology, in particular to a three-dimensional paint technology for silk screen printing and internal carving of furniture. Background technique [0002] At present, there are many kinds of furniture painting techniques, but the basic function is to better protect furniture materials and obtain a certain decorative effect. [0003] In the traditional painting process, the screen printing process has been widely used in the furniture production process, but all of them use flat patterns as the content. With the development of furniture paint technology, it is increasingly required to improve product grade and individuality, ensure product quality, reduce costs, and thus achieve better economic benefits. [0004] For some large-scale furniture, such as wardrobes, closets, decorative cabinets, etc., which have a large area of ​​plane, the traditional painting process is to make som...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B05D5/06C09D175/14C09D7/12C08G18/67C08G18/66C08G18/58
Inventor 黄进宝
Owner DONGGUAN FUBAO SOFA MFG
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