CN115648375A - Forming process for obtaining texture and pattern surface effect - Google Patents
Forming process for obtaining texture and pattern surface effect Download PDFInfo
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- CN115648375A CN115648375A CN202211275407.6A CN202211275407A CN115648375A CN 115648375 A CN115648375 A CN 115648375A CN 202211275407 A CN202211275407 A CN 202211275407A CN 115648375 A CN115648375 A CN 115648375A
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Abstract
The invention discloses a forming process for obtaining texture and pattern surface effects, which relates to the technical field of obtaining patterns by texture printing, and comprises the following raw materials of a wood blank, PU high-solid transparent primer, putty coating, PU white primer, glue and PU high-grade transparent full-matte finish: the molding process comprises the following steps: pretreatment of the surface of a blank: firstly, selecting a wood material for preparation, combining a drawing for preparing a finished product, drying, balancing and chordally cutting the wood to form a blank work, and flatly placing the prepared blank work on a workbench; according to the forming process for obtaining the texture and pattern surface effects, wood is used for replacing marble, a high-pressure spray gun is used for removing wood chips in the preparation process, the polished chips are cleaned, the prepared prefabricated product is firmly pasted by painting and gluing, the service life is long, the prefabricated product is not easy to damage, and the effect of long service life is achieved.
Description
Technical Field
The invention relates to the technical field of obtaining patterns by texture printing, in particular to a forming process for obtaining textures and pattern surface effects.
Background
With the continuous development of social creativity, people have poor knowledge about the appearance and real materials of a large number of used products in life, and in order to save the use of materials and promote the economic development of convenience, people improve the texture of the materials by decorating the surface appearance of the products and improving the appearance of the products and beautifying the shapes of the products when manufacturing the products.
The existing wood can obtain surface textures through painting resin paint, surface textures are obtained through polishing, and a pattern surface effect of marble textures is shown, because the existing commercial shops, decoration counters, exhibition stands of exhibition halls and cashier desks often adopt hard-texture marbles, and the marble textures can be prepared into counters for use through cutting, polishing, chiseling and polishing process procedures, but the problems of high marble price, complex process, high cost and high material waste degree exist, so the wood, plastic and metal materials are often adopted, the textures and the patterns on the surfaces of the materials are treated to show the gloss and the textures of marble for use, the cost can be saved, and the quality is reduced, and the marble patterns are convenient to carry, install and use.
The existing forming process for obtaining marble texture and pattern surface effects by using wood blanks has the problems that the chips polished in the process operation process are not cleaned completely, so that the prepared prefabricated product is infirm in painting, coating and gluing and is damaged after short service life, and the problems that the formula for proportioning primer is not scientific enough, the process procedure is single, the prepared product has unreal marble texture and poor pattern surface presentation effect are caused.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a forming process for obtaining the surface effect of the texture and the pattern, and solves the problems that the traditional forming process for obtaining the surface effect of the texture and the pattern has the defects of unscientific raw material proportioning, infirm adhesion, easy damage, unreal and non-ideal printing texture effect.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a forming process for obtaining texture and pattern surface effects comprises the following raw materials of a wood blank, PU high-solid transparent primer, putty coating, PU white primer, glue and PU high-grade transparent full-matte finish:
the molding process comprises the following steps: pretreatment of the surface of a blank:
s1, firstly, selecting a wood material for preparation, combining with a drawing for preparing a finished product, drying, balancing and cutting the wood into blank works, flatly placing the finished blank works on a workbench, cleaning surface dust by using a high-pressure air gun filled with 5-30mpa high-pressure inert gas in an air storage chamber to face the front and back of the blank, and wiping abrasive dust on the surface and at the edge corners of the blank by using dry rags;
s2, uniformly brushing a PU high-solid transparent primer on the visible surface of the dedusted blank, wherein the PU high-solid transparent primer is prepared by uniformly stirring and mixing PU resin, dimethylbenzene, zinc stearate, talcum powder, a defoaming agent, an anti-settling agent and a butyl ester raw material according to the proportion of 1;
s3, preparing a putty coating which is prepared from talcum powder: 9250 glue: the white latex is prepared by mixing and stirring 40;
s4, taking out the dried wood, polishing the surface coated with the putty by using one of No. 280, no. 320 and No. 400 coarse abrasive paper, removing polishing powder on the surface by using a high-pressure air gun, polishing the surface to be smooth by using one of No. 800, no. 1000 and No. 1200 fine abrasive paper, and removing the polishing powder on the surface again by using the high-pressure air gun;
s5, finally, cleaning the wood surface powder, and uniformly spraying PU white primer, wherein the PU white primer is prepared by the following steps: white latex: the talcum powder is prepared by the proportion of 3:8-9:6 and the addition of a small amount of defoaming agent, anti-settling slurry, xylene and butyl ester materials, the wood sprayed with the PU white primer is naturally dried for 8-12h, and then the surface of the wood is polished to be smooth by using one of fine sand paper of No. 800, no. 1000 and No. 1200, so that the wood preform with a smooth and smooth blank surface, the white surface of the wood preform is covered after the natural color of the wood preform is pretreated, and the color pollution is prevented is obtained.
Surface retreatment step:
s6, cleaning the polished surface of the wood prefabricated product by using a high-pressure air gun, wiping the surface without floating dust by using a dry rag, and uniformly brushing glue on the visible surface of the wood prefabricated product, wherein the glue is prepared by adopting 330 white latex paint: water is mixed according to the proportion of 1 to 0.2 to 0.3, the paper printed with patterns and textures is stuck on the surface of the prefabricated product, and the paper is naturally dried for 1 to 2 hours in the environment with the temperature of 25 ℃ until the glue is dried;
s7, uniformly spraying the PU high-solid transparent primer on the surface of the aired prefabricated product, standing for 2-3 hours, and taking out one of No. 800, no. 1000 and No. 1200 fine abrasive paper to polish the surface of the wood prefabricated product until the surface of the prefabricated product is smooth after the PU high-solid transparent primer is dried;
s8, finally, cleaning the polished powder on the surface of the prefabricated product by using a high-pressure air gun again, and spraying a PU high-grade transparent fully-matte finish paint, wherein the PU high-grade transparent fully-matte finish paint is prepared by PU resin: dimethyl benzene: matting powder: the glass powder is prepared from the following components in parts by weight of 9-14: 1:1 proportion, mixing a small amount of dispersant, defoamer, butyl ester and polyamide wax anti-settling agent to prepare the wood paint, airing for 3-4 hours until the paint on the surface of the wood is dried and solidified, and preparing the prefabricated product to obtain the finished product.
Preferably, the high-pressure air gun is an air gun consisting of a high-pressure air storage chamber, a high-pressure exhaust valve, a gun barrel and a firing group, and the air in the high-pressure air storage chamber is high-pressure air or inert gas, and is ejected out through high-pressure release air after compressing energy, so that the high-pressure air gun is suitable for being used in automobile repair shops.
Preferably, the PU high-solid transparent primer is prepared by taking transparent powder extracted from natural rock ore as a filler, blending the transparent powder into a coating, and coating the primer on the bottom layer of the surface of a wood blank, wherein the primer has the advantages of strong filling property, good transparency and clear wood grain, is used for improving the viscosity of wood and a putty layer, and has the functions of improving the adhesive force of a finish paint, increasing the fullness of the finish paint, and providing alkali resistance, moisture resistance and corrosion resistance.
Preferably, the putty coating is a thick paste decorative material which is evenly coated on the dried fur wood coated with the primer, is used for flattening the surface of the wood and removing the defects of high and low unevenness on the surface of the coated material, and has the characteristics of waterproofness, solidity, leveling property and environmental protection.
Preferably, the sand paper is used for preparing a sand skin for grinding according to different grinding substances, and is used for grinding the surfaces of metal, wood and putty to be smooth, the sand paper is divided into different types according to the size of granularity, the size range of coarse sand paper is more than or equal to 10 mu m, the size range of fine sand paper is less than 10 mu m, the size range of common No. 280 is more than 40 mu m, the size range of No. 320 is 28-40 mu m, the size range of No. 400 is 20-28 mu m, the size range of No. 800 is 7-10 mu m, the size range of No. 1000 is 5-7 mu m, and the size range of No. 1200 is 3.5-5 mu m.
Preferably, the PU white primer is a decorative coating for increasing the holding power of the wood board surface, and can be used in an environment with the low temperature of less than or equal to 5 ℃ and the high temperature of more than or equal to 80 ℃ and the water content of the board of less than or equal to 10 percent in the configuration and use process, so that the texture of the wood can be covered, the effects of sealing, isolating, moisture-proof and mildew-proof are achieved, and the PU white primer is used for protecting the wood board surface and the decorative board surface.
Preferably, the PU high-grade transparent full-matte finish paint is a recoating paint with high drying speed and good leveling property, marble textures are truly displayed through coloring and color-fixing processes, and matting powder and glass powder with small particle diameters are added in the preparation process, so that the PU high-grade transparent full-matte finish paint has the characteristics of high flash penetration, fine hand feeling and soft luster.
Preferably, the high-pressure air gun, the rag, the scraping tool, the coarse sandpaper and the fine sandpaper are purchased from Kyoto to a special morning automobile product shop; the PU high-solid transparent primer, the putty coating, the PU white primer and the PU high-grade transparent full-matte finish paint are all purchased from Shanghai Junjiang science and technology Co.
(III) advantageous effects
The invention provides a forming process for obtaining texture and pattern surface effects, which has the following beneficial effects:
according to the forming process for obtaining the surface effects of the textures and the patterns, wood is used for replacing marble, a high-pressure spray gun is used for removing wood chips in the preparation process, the polished chips are cleaned, the prepared prefabricated product is coated with paint, glued, firmly adhered, long in service life and not easy to damage, and the effect of long service life is achieved; by adopting complicated and fussy process procedure steps and scientifically proportioning the coating, the effects that the prepared product presents the marble with vivid texture and good pattern surface presentation effect are realized, and the texture and pattern surface texture effect is improved.
Detailed Description
All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The invention provides a technical scheme that: a forming process for obtaining texture and pattern surface effects comprises the following raw materials of a wood blank, PU high-solid transparent primer, putty coating, PU white primer, glue and PU high-grade transparent full-matte finish:
the molding process comprises the following steps: pretreatment of the surface of a blank:
s1, firstly, selecting a wood material for preparation, combining with a drawing for preparing a finished product, drying, balancing and cutting the wood into blank works, flatly placing the finished blank works on a workbench, cleaning surface dust by using a high-pressure air gun filled with 15mpa high-pressure inert gas in an air storage chamber to face the front and back of the blank, and wiping abrasive dust on the surface and at the edge corners of the blank by using dry cleaning cloth;
s2, uniformly brushing a PU high-solid transparent primer on the visible surface of the dedusted blank, wherein the PU high-solid transparent primer is prepared by uniformly stirring and mixing PU resin, dimethylbenzene, zinc stearate, talcum powder, a defoaming agent, an anti-settling agent and a butyl ester raw material according to the proportion of 1;
s3, preparing a putty coating, wherein the putty coating is prepared from talcum powder: 9250 glue: the white latex is prepared by mixing and stirring 40;
s4, taking out the dried wood, polishing the surface coated with the putty by using No. 320 coarse abrasive paper, removing polishing powder on the surface by using a high-pressure air gun, polishing the surface to be flat by using No. 1000 fine abrasive paper, and removing the polishing powder on the surface again by using the high-pressure air gun;
s5, finally, cleaning the powder on the surface of the wood, and uniformly spraying PU white primer, wherein the PU white primer is prepared by the following steps: white latex: the talcum powder is prepared by the following steps of (1) mixing talcum powder with a raw material, talcum powder and a raw material, wherein the talcum powder is prepared by the following proportion of 3.
Surface retreatment step:
s6, cleaning the polished surface of the wood prefabricated product by using a high-pressure air gun, wiping the surface without floating dust by using a dry rag, and uniformly brushing glue on the visible surface of the wood prefabricated product, wherein the glue is prepared by adopting 330 white latex paint: the glue is prepared by mixing water in a ratio of 1;
s7, uniformly spraying the PU high-solid transparent primer on the surface of the aired prefabricated product, standing for 2 hours, and taking out No. 1000 fine sand paper to polish the surface of the wood prefabricated product until the surface of the prefabricated product is smooth after the PU high-solid transparent primer is dried;
s8, finally, cleaning the polished powder on the surface of the prefabricated product by using a high-pressure air gun again, and spraying a PU high-grade transparent fully-matte finish paint, wherein the PU high-grade transparent fully-matte finish paint is prepared by PU resin: dimethyl benzene: matting powder: glass frit was prepared as 9:1:1:1 proportion, mixing a small amount of dispersant, defoamer, butyl ester and polyamide wax anti-settling agent, airing for 3 hours until the paint on the surface of the wood is dried and solidified, and finishing the preparation of the prefabricated product to obtain the finished product.
The high-pressure air gun is an air gun consisting of a high-pressure air storage chamber, a high-pressure exhaust valve, a gun barrel and a firing group, and gas in the high-pressure air storage chamber is high-pressure air or inert gas, and is ejected out through high-pressure released gas after energy compression, so that the high-pressure air gun is suitable for being used in automobile repair shops.
The PU high-solid transparent primer is prepared by mixing transparent powder extracted from natural rock ore as a filler and blending the transparent powder into a coating, and the primer is coated on the bottom layer of the surface of a wood blank, so that the filling property is strong, the transparency is good, the wood grain is clear, the adhesiveness of wood and a putty layer is improved, and the PU high-solid transparent primer has the functions of improving the adhesive force of a finish paint, increasing the fullness of the finish paint, and providing alkali resistance, moisture resistance and corrosion resistance.
The putty coating is a thick paste decorative material which is uniformly coated on the dried fur wood coated with the primer, is used for flattening the surface of the wood and removing the defects of high and low unevenness on the surface of the coated material, and has the characteristics of waterproofness, solidity, leveling property and environmental protection.
The sandpaper is prepared into a sand skin used for grinding according to different grinding substances, and is used for grinding the surfaces of metal, wood and putty to be smooth, the sandpaper is divided into different types according to the size of granularity, the size range of coarse sandpaper is more than or equal to 10 mu m, the size range of fine sandpaper is less than 10 mu m, the size range of common No. 280 is more than 40 mu m, the size range of No. 320 is 28-40 mu m, the size range of No. 400 is 20-28 mu m, the size range of No. 800 is 7-10 mu m, the size range of No. 1000 is 5-7 mu m, and the size range of No. 1200 is 3.5-5 mu m.
The PU white primer is a decorative coating for increasing the grabbing force of the wood board surface, and can be used in an environment with the low temperature of less than or equal to 5 ℃ and the high temperature of more than or equal to 80 ℃ and the water content of the board of less than or equal to 10 percent in the configuration and use process, so that the grains of the wood can be covered, the effects of sealing, isolating, moisture-proofing and mildew-proofing are achieved, and the PU white primer is used for protecting the wood board surface and the decorative board surface.
The PU high-grade transparent full-matte finish paint is a recoating paint with high drying speed and good leveling property, marble textures are truly displayed through coloring and color-fixing processes, and matting powder and glass powder with small particle diameters are added in the preparation process, so that the PU high-grade transparent full-matte finish paint has the characteristics of high transparency, fine hand feeling and soft luster.
Wherein the high-pressure air gun, the rag, the scraping tool, the coarse abrasive paper and the fine abrasive paper are purchased from Beijing Dong to a special morning automobile product shop; the PU high-solid transparent primer, the putty coating, the PU white primer and the PU high-grade transparent full-matte finish paint are all purchased from Shanghai Junjiang science and technology Limited.
Example 2
The invention provides a technical scheme that: a forming process for obtaining texture and pattern surface effects comprises the following raw materials of a wood blank, PU high-solid transparent primer, putty coating, PU white primer, glue and PU high-grade transparent full-matte finish:
the molding process comprises the following steps: pretreatment of the surface of a blank:
s1, firstly, selecting a wood material for preparation, combining with a drawing for preparing a finished product, drying, balancing and cutting the wood into blank works, flatly placing the finished blank works on a workbench, cleaning surface dust by using a high-pressure air gun filled with 15mpa high-pressure inert gas in an air storage chamber to face the front and back of the blank, and wiping abrasive dust on the surface and at the edge corners of the blank by using dry cleaning cloth;
s2, uniformly brushing a PU high-solid transparent primer on the visible surface of the dedusted blank, wherein the PU high-solid transparent primer is prepared by uniformly stirring and mixing PU resin, dimethylbenzene, zinc stearate, talcum powder, a defoaming agent, an anti-settling agent and a butyl ester raw material according to the proportion of 1;
s3, preparing a putty coating which is prepared from talcum powder: 9250 glue: the white latex is prepared by mixing and stirring 40;
s4, taking out the dried wood, polishing the surface coated with the putty by using No. 280 coarse abrasive paper, removing polishing powder on the surface by using a high-pressure air gun, polishing the surface to be smooth by using No. 800 fine abrasive paper, and removing the polishing powder on the surface again by using the high-pressure air gun;
s5, finally, cleaning the powder on the surface of the wood, and uniformly spraying PU white primer, wherein the PU white primer is prepared by the following steps: white latex: the talcum powder is prepared by the following steps of 1.
Surface retreatment step:
s6, cleaning the polished surface of the wood prefabricated product by using a high-pressure air gun, wiping the surface without floating dust by using a dry rag, and uniformly brushing glue on the visible surface of the wood prefabricated product, wherein the glue is prepared by adopting 330 white latex paint: the glue is prepared by mixing water in a ratio of 1;
s7, uniformly spraying the PU high-solid transparent primer on the surface of the aired prefabricated product, standing for 3 hours, and taking out No. 800 fine sand paper to polish the surface of the wood prefabricated product until the surface of the prefabricated product is smooth after the PU high-solid transparent primer is dried;
s8, finally, cleaning the polished powder on the surface of the prefabricated product by using a high-pressure air gun again, and spraying a PU high-grade transparent fully-matte finish paint, wherein the PU high-grade transparent fully-matte finish paint is prepared by PU resin: dimethyl benzene: matting powder: the glass powder is prepared from the following components in percentage by weight of 12: 1:1 proportion, mixing a small amount of dispersant, defoamer, butyl ester and polyamide wax anti-settling agent to prepare the wood surface paint, airing for 4 hours until the paint on the wood surface is dried and solidified, and preparing the prefabricated product to obtain the finished product.
Example 3
The invention provides a technical scheme that: a forming process for obtaining texture and pattern surface effects comprises the following raw materials of a wood blank, PU high-solid transparent primer, putty coating, PU white primer, glue and PU high-grade transparent full-matte finish:
the molding process comprises the following steps: pretreatment of blank surface:
s1, firstly, selecting a wood material for preparation, combining with a drawing for preparing a finished product, drying, balancing and cutting the wood into blank works, flatly placing the finished blank works on a workbench, cleaning surface dust by using a high-pressure air gun filled with 15mpa high-pressure inert gas in an air storage chamber to face the front and back of the blank, and wiping abrasive dust on the surface and at the edge corners of the blank by using dry cleaning cloth;
s2, uniformly brushing a PU high-solid transparent primer on the visible surface of the dedusted blank, wherein the PU high-solid transparent primer is prepared by uniformly stirring and mixing PU resin, dimethylbenzene, zinc stearate, talcum powder, a defoaming agent, an anti-settling agent and butyl ester raw materials according to the ratio of (1);
s3, preparing a putty coating, wherein the putty coating is prepared from talcum powder: 9250 glue: the white latex is prepared by mixing and stirring 40;
s4, taking out the dried wood, polishing the surface coated with the putty by using No. 400 coarse abrasive paper, removing polishing powder on the surface by using a high-pressure air gun, polishing the surface to be smooth by using No. 1200 fine abrasive paper, and removing the polishing powder on the surface again by using the high-pressure air gun;
s5, finally, cleaning the powder on the surface of the wood, and uniformly spraying PU white primer, wherein the PU white primer is prepared by the following steps: white latex: the talcum powder is prepared by the following raw materials according to the proportion of 3.
Surface retreatment step:
s6, cleaning the polished surface of the wood prefabricated product by using a high-pressure air gun, wiping the surface without floating dust by using a dry rag, and uniformly brushing glue on the visible surface of the wood prefabricated product, wherein the glue is prepared by adopting 330 white latex paint: the glue is prepared by mixing water in a ratio of 1;
s7, uniformly spraying the PU high-solid transparent primer on the surface of the aired prefabricated product, standing for 3 hours, and taking No. 1200 fine sand paper out to polish the surface of the wood prefabricated product until the surface of the prefabricated product is smooth after the PU high-solid transparent primer is dried;
s8, finally, cleaning the polished powder on the surface of the prefabricated product by using a high-pressure air gun again, and spraying PU high-grade transparent full-matte finishing coat, wherein the PU high-grade transparent full-matte finishing coat is prepared from PU resin: dimethyl benzene: matting powder: the glass powder is prepared according to the following steps of 14: 1:1 proportion, mixing a small amount of dispersant, defoamer, butyl ester and polyamide wax anti-settling agent, airing for 4 hours until the paint on the surface of the wood is dried and solidified, and finishing the preparation of the prefabricated product to obtain the finished product.
Examples
The molding process for obtaining the surface effects of marble patterns and designs by combining the wood prepared in examples 1 to 3 was carried out in an environment of 25 ℃ and drying, and the products obtained after several times of painting and polishing were compared with the products prepared by a single brush coating process procedure on the upper surface of the conventional material as a comparative example in terms of color, texture, quality and process procedure, respectively. The following table is obtained:
the working principle is as follows: the method has the advantages that the marble is replaced by wood, under the condition of reducing cost, a complex and tedious forming process of texture and pattern surface effect is adopted, wood blank materials are polished by gluing, and PU paint and coating are repeatedly sprayed, so that the finished product has the texture and texture of the marble, compared with the marble, the method is convenient and light in quality, and the preparation difficulty is low.
In conclusion, according to the forming process for obtaining the texture and pattern surface effect, wood is used for replacing marble, and a high-pressure spray gun is used for removing wood chips in the preparation process, so that the problems that the prepared prefabricated product is not firmly pasted by painting glue and is damaged after short service life due to the fact that the chips are not completely cleaned in the traditional polishing process are solved; by adopting complicated and fussy process procedure steps and scientifically proportioning the coating, the problems that the prepared product presents unrealistic texture of the marble and the surface presentation effect of the pattern is not good are solved.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A forming process for obtaining texture and pattern surface effects is characterized by comprising raw materials of a wood blank, PU high-solid transparent primer, putty coating, PU white primer, glue and PU high-grade transparent full-matte finish;
the molding process comprises the following steps: pretreatment of the surface of a blank:
s1, firstly, selecting a wood material for preparation, combining with a drawing for preparing a finished product, drying, balancing and cutting the wood into blank works, flatly placing the finished blank works on a workbench, cleaning surface dust by using a high-pressure air gun filled with 5-30mpa high-pressure inert gas in an air storage chamber to face the front and back of the blank, and wiping abrasive dust on the surface and at the edge corners of the blank by using dry rags;
s2, uniformly brushing PU high-solid transparent primer on the visible surface of the dedusted blank, wherein the PU high-solid transparent primer is formed by mixing transparent powder extracted from natural rock ore as filler into the paint for improving the viscosity of the wood and the putty layer, and standing for 2-3 hours in an environment with the room temperature of 25 ℃ until the blank primer is in a dry state;
s3, preparing a putty coating, wherein the putty coating is prepared from talcum powder: 9250 glue: the white latex is prepared by mixing and stirring 40;
s4, taking out the dried wood, polishing the surface coated with the putty by using one of No. 280, no. 320 and No. 400 coarse abrasive paper, removing polishing powder on the surface by using a high-pressure air gun, polishing the surface to be smooth by using one of No. 800, no. 1000 and No. 1200 fine abrasive paper, and removing the polishing powder on the surface again by using the high-pressure air gun;
s5, finally, cleaning the wood surface powder, and uniformly spraying PU white primer, wherein the PU white primer is prepared by the following steps: white latex: the talcum powder is prepared by the proportion of 3:8-9:6 and the addition of a small amount of defoaming agent, anti-settling slurry, xylene and butyl ester materials, the wood sprayed with the PU white primer is naturally dried for 8-12h, and then the surface of the wood is polished to be smooth by using one of fine sand paper of No. 800, no. 1000 and No. 1200, so that the wood preform with a smooth and smooth blank surface, the white surface of the wood preform is covered after the natural color of the wood preform is pretreated, and the color pollution is prevented is obtained.
Surface retreatment step:
s6, cleaning the polished surface of the wood prefabricated product by using a high-pressure air gun, wiping the surface without floating dust by using a dry rag, and uniformly brushing glue on the visible surface of the wood prefabricated product, wherein the glue is prepared by adopting 330 white latex paint: water is mixed according to the proportion of 1 to 0.2 to 0.3, the paper printed with patterns and textures is stuck on the surface of the prefabricated product, and the paper is naturally dried for 1 to 2 hours in the environment with the temperature of 25 ℃ until the glue is dried;
s7, uniformly spraying the PU high-solid transparent primer on the surface of the aired prefabricated product, standing for 2-3 hours, and taking out one of No. 800, no. 1000 and No. 1200 fine abrasive paper to polish the surface of the wood prefabricated product until the surface of the prefabricated product is smooth after the PU high-solid transparent primer is dried;
s8, finally, cleaning the polished powder on the surface of the prefabricated product by using a high-pressure air gun again, and spraying a PU high-grade transparent fully-matte finish paint, wherein the PU high-grade transparent fully-matte finish paint is prepared by PU resin: dimethyl benzene: matting powder: the glass powder is prepared from the following components in parts by weight of 9-14: 1:1 proportion, mixing a small amount of dispersant, defoamer, butyl ester and polyamide wax anti-settling agent to prepare the wood paint, airing for 3-4 hours until the paint on the surface of the wood is dried and solidified, and preparing the prefabricated product to obtain the finished product.
2. The molding process of claim 1, wherein the molding process comprises: the high-pressure air gun is an air gun consisting of a high-pressure air storage chamber, a high-pressure exhaust valve, a gun barrel and a firing group, and the air in the high-pressure air storage chamber is high-pressure air or inert gas, and is ejected out by high-pressure release air after energy is compressed.
3. The molding process of claim 1, wherein the molding process comprises: the PU high-solid transparent primer is prepared by taking transparent powder extracted from natural rock ore as a filler, blending the transparent powder into a coating, and coating the primer on the bottom layer of the surface of a wood blank, wherein the primer has the advantages of strong filling property, good transparency and clear wood grain.
4. The molding process of claim 1, wherein the molding process comprises: the putty paint is a thick paste-shaped decorative material which is uniformly coated on the dried fur wood coated with the primer, and is used for flattening the surface of the wood and removing the defects of high, low and uneven surfaces of the coated material.
5. The molding process of claim 1, wherein the molding process comprises: the abrasive paper is a sand skin used for grinding and prepared according to different grinding substances and is used for grinding the surfaces of metal, wood and putty to be smooth, the abrasive paper is divided into different types according to the size of granularity, the size range of coarse abrasive paper is more than or equal to 10 mu m, and the size range of fine abrasive paper is less than 10 mu m.
6. The molding process of claim 1, wherein the molding process comprises: the PU white primer is a decorative coating for increasing the holding power of the wood board surface, and can be used in an environment with the low temperature of less than or equal to 5 ℃ and the high temperature of more than or equal to 80 ℃ and the water content of the board of less than or equal to 10 percent in the configuration and use process, so that the grains of the wood can be covered.
7. The molding process of claim 1, wherein the molding process comprises: the PU high-grade transparent full-matte finish paint is recoating paint with high drying speed and good leveling property, marble grains are truly displayed through coloring and color modifying processes, and flatting powder and glass powder with small particle diameters are added in the preparation process.
8. The forming process of claim 1, wherein the forming process comprises: the high-pressure air gun, the cleaning cloth, the scraping tool, the coarse abrasive paper and the fine abrasive paper are purchased from the Beijing east to a special morning automobile product shop; the PU high-solid transparent primer, the putty coating, the PU white primer and the PU high-grade transparent full-matte finish paint are all purchased from Shanghai Junjiang science and technology Limited.
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