CN108789750B - Bamboo wood paint-baking door and manufacturing method thereof - Google Patents
Bamboo wood paint-baking door and manufacturing method thereof Download PDFInfo
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- CN108789750B CN108789750B CN201810610976.9A CN201810610976A CN108789750B CN 108789750 B CN108789750 B CN 108789750B CN 201810610976 A CN201810610976 A CN 201810610976A CN 108789750 B CN108789750 B CN 108789750B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M3/00—Manufacture or reconditioning of specific semi-finished or finished articles
- B27M3/18—Manufacture or reconditioning of specific semi-finished or finished articles of furniture or of doors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27M—WORKING OF WOOD NOT PROVIDED FOR IN SUBCLASSES B27B - B27L; MANUFACTURE OF SPECIFIC WOODEN ARTICLES
- B27M1/00—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching
- B27M1/08—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by multi-step processes
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Abstract
The invention provides a bamboo-wood baking finish door and a manufacturing method thereof, the bamboo-wood baking finish door provided by the invention is characterized in that a bamboo-wood fiberboard is subjected to a hot-pressing process to obtain a bamboo-wood surface layer imitating wood textures, the bamboo-wood fiberboard is used as a base layer, and the bamboo-wood surface layer, a frame layer and the bamboo-wood base layer are pressed in a cold pressing mode to obtain a prefabricated door, and then baking finish treatment is carried out, so that the obtained bamboo-wood baking finish door has the appearance of high-degree imitated wood textures, the whole door plate does not use a density board to improve the environmental protection performance and reduce the consumption of wood resources, and the bamboo-wood baking finish door provided by the invention has good waterproof performance and flame retardant performance and excellent use performance. The method for manufacturing the bamboo and wood baking finish door is simple to operate, high in production efficiency, capable of realizing batch production and short in production period, greatly reduces the using amount of paint, and completely avoids the phenomena of deformation, cracking and bulging of the door panel.
Description
Technical Field
The invention belongs to the field of furniture, and particularly relates to a bamboo and wood paint baking door and a manufacturing method thereof.
Background
As the first pass of entering a room, a "door" plays a significant role in home decoration. The wooden door is a door frame (sleeve) and a door and window made of wood as a main material, and is widely applied to civil and commercial buildings and houses. Compare and get up the iron door, the noise of timber is lower relatively, and the molding is more pleasing to the eye various to and can bring more warm sensation for the house, therefore indoor door mainly uses the timber as leading. The relatively common timber divide into in the existing market: the solid wood door, the solid wood composite door and the sandwich molded door are painted wood suit doors, cabinet doors and wood veneers produced at present in China, and the principle of the process is that a density board, a multilayer board or a solid wood board is carved, blanking is milled, a line is assembled and buckled, then natural wood veneers such as red oak veneer, northeast China ash veneer and the like are heated and pasted by a manual electric iron, or the veneer is adsorbed by positive and negative pressure and then painted, and the process has strong dependence on manual technology, high labor cost, complex working procedures, high production efficiency and the problems of water and fire resistance due to foaming, cracking, deformation and fire resistance. In addition, wood doors which are formed by vacuum plastic suction of decorative films such as PVC and the like on workpieces are available in the market, but the wood doors are low in simulation degree, cannot be used for making high-end products, mainly adopt simple shallow milling as a main mode, are all paint-free products, are difficult to meet the requirements of customers on taste, are easy to deform and bulge due to the defects of the products, are particularly afraid of water and fire, and are short in service life. The wood door is also made by cutting wood with unique textures such as red oak and northeast China ash serving as a base material, milling, assembling and painting, 2 skilled teachers in the process can make 5 doors at most one day, the wood is difficult to control moisture, is afraid of water and fire, is easy to crack and deform in northern cities, is not suitable for floor heating, is low in production efficiency and high in manufacturing cost, and related technologies lack the shortage and the high price.
Disclosure of Invention
In order to solve the technical problems, the invention provides the bamboo wood baking finish door and the manufacturing method thereof, wherein the bamboo wood baking finish door is simple in process, high in simulation degree, low in cost, short in production period and outstanding in economic benefit.
The invention aims to provide a bamboo and wood paint baking door.
The invention also aims to provide a manufacturing method of the bamboo wood baking finish door.
The bamboo and wood paint door comprises an upper paint baking layer, a bamboo and wood surface layer, a frame layer, a bamboo and wood base layer and a lower paint baking layer which are sequentially arranged from top to bottom, wherein the bamboo and wood surface layer is provided with wood textures with the depth of 0.3-1 mm.
According to the bamboo-wood baked-paint door provided by the invention, the bamboo-wood surface layer is used as the upper layer, the wood texture treatment is carried out on the bamboo-wood surface layer, and then the baking-paint treatment is carried out on the bamboo-wood surface layer, so that the obtained bamboo-wood baked-paint door has the texture of natural wood with high simulation degree, and the waste of wood resources is reduced; meanwhile, after the bamboo wood surface layer is subjected to baking finish treatment, the obtained wood door has moisture resistance. The bamboo-wood paint-baking door provided by the invention does not use a density board in the whole process, and the environmental protection performance of the product is greatly improved. The bamboo-wood fiberboard used in the invention has good flame retardant property, and does not generate open fire when meeting fire, so that the obtained bamboo-wood baking finish door also has excellent flame retardant property.
According to the bamboo and wood baking finish door provided by the embodiment of the invention, a decorative layer is further arranged between the upper baking finish layer and the bamboo and wood surface layer, and the decorative layer is PVC, paper skin or wood skin.
Preferably, the material of the frame layer is LVL, that is, veneer made by log through rotary cutting or slicing, the frame of the frame layer is made by using the veneers, and conventional material, such as honeycomb paper, foam board or foaming filling material, is filled in the middle, so that the stress in the obtained frame layer is balanced, the frame layer is not deformed, good compounding with the bamboo-wood surface layer and the bamboo-wood base layer can be realized, and the obtained bamboo-wood baked finish door has extremely low warping degree.
Preferably, the thickness of the bamboo wood surface layer is the same as that of the bamboo wood base layer, and the thickness of the bamboo wood surface layer is 1.8-3.8 mm. The bamboo wood surface layer and the bamboo wood base layer are distributed on two sides of the frame layer, the same materials are used, the same thickness is beneficial to stress balance, and the obtained bamboo wood baking finish door is extremely high in stability, free of warping and deformation.
The method for manufacturing the bamboo wood baking finish door comprises the following steps:
(1) ironing and pressing the bamboo-wood fiber board at the temperature of 120-;
(2) manufacturing a frame, coating glue on the lower surface of the frame, placing the frame on a bamboo wood base layer, coating glue on the upper surface of the frame, placing the bamboo wood panel obtained in the step (1) on the frame, cold-pressing, molding and edge sealing to obtain a prefabricated door;
(3) and (3) polishing, spraying a chemical treatment agent, spraying a primer, polishing and spraying a finish paint on the prefabricated door obtained in the step (2), and drying to obtain the bamboo wood baked paint door.
The bamboo-wood paint door manufacturing method provided by the invention takes the bamboo-wood fiberboard as the raw material of the bamboo-wood surface layer and the bamboo-wood base layer, wherein the bamboo-wood fiberboard is used as the raw material for preparing the bamboo-wood surface layer, the bamboo-wood fiberboard is subjected to high-temperature ironing at the temperature of 120 plus one year and 150 ℃, and wood textures with the depth of 0.3-1mm are ironed and pressed, the wood textures have high simulation performance, after the subsequent bamboo-wood surface layer is subjected to paint baking treatment, the wood textures show the textures of natural wood skins such as northeast China ash bark, red oak bark and the like, and after the paint baking treatment, the wood textures can be permanently maintained, and the paint door has a certain moisture-proof function; the method provided by the invention has the advantages that the method is formed in one step, and compared with a solid wood door carving process, the method has the advantages of simple process and short production period; the bamboo-wood baked-paint door provided by the invention has the advantages that the process is simple, the technology is not dependent on workers, the production efficiency is high, in the preparation process of the bamboo-wood baked-paint door, the bamboo-wood fiberboard is only required to be processed to obtain the bamboo-wood panel, then the bamboo-wood panel is subjected to cold press molding with the frame and the bamboo-wood base plate, and then the bamboo-wood baked-paint door can be obtained by polishing, spraying a treating agent and spraying paint at the later stage, the process is simple, the manufacturing cost is low, the production efficiency is high, the production cycle is short, the production cycle of the traditional wood door is about 20-45 days, the production cycle of the bamboo-wood baked-paint door provided by the application is only 5-10 days, the use of wood is reduced, the waste of wood resources is greatly reduced, and the problems of deformation, cracking and bulging are completely avoided.
According to the method for manufacturing the bamboo and wood baking finish door provided by the embodiment of the invention, preferably, in the step (1), the thickness of the bamboo and wood panel is 1.8-3.8 mm. The bamboo-wood panel thickness is the flatness and the strain force of the bamboo-wood baking finish door which is finally obtained, and the research of the invention finds that when the thickness of the bamboo-wood fiber used for manufacturing the bamboo-wood panel is in the range of 1.8-3.8mm, the bamboo-wood fiber has proper thickness, can be hot-pressed to form wood texture, and has higher strength and toughness, the bamboo-wood panel texture of the bamboo-wood baking finish door which is obtained is natural, the stress in all directions is balanced, and the bulging and the deformation are avoided. When the thickness of the bamboo-wood fiberboard is too thin, the strength is low, and the flatness is influenced; when the thickness of bamboo wood fiberboard is too thick, the cost of raw materials is increased, the complicated embossing modeling is difficult to operate in the die embossing process, the effect of the final embossing is influenced because the small corners are difficult to mold.
According to the manufacturing method of the bamboo and wood baking finish door provided by the embodiment of the invention, preferably, in the step (1), the wood texture bamboo and wood fiber board is heated to 100-140 ℃, and is placed in a mold for embossing treatment. The temperature of 100-140 ℃ can soften the internal fiber of the bamboo fiber, so that the bamboo fiber is suitable for embossing, the wood fiber is easy to carbonize when the temperature is too high, and the fiber is not easy to soften when the temperature is too low, thus being not beneficial to embossing.
According to the method for manufacturing the bamboo and wood baking finish door, preferably, in the step (2), the cold pressing temperature is room temperature, and the cold pressing time is more than 12 hours. Through cold pressing for more than 12 hours, the bamboo surface layer, the frame layer and the bamboo base layer can be well bonded together under the action of the adhesive, the internal stress is converted, and the deformation of the door panel in the later period is avoided.
According to the manufacturing method of the bamboo and wood baking finish door provided by the embodiment of the invention, preferably, in the step (3), 180-mesh 280-mesh sand paper is used for polishing the surface of the prefabricated door, then the chemical treatment agent is sprayed and the primer is sprayed, and after the primer is dried, 300-mesh 600-mesh sand paper is used for polishing and spraying the surface of the prefabricated door. Before spraying the primer, firstly, polishing the surface of the prefabricated door with coarse abrasive paper to improve the friction coefficient, then spraying an atomization treating agent, wherein the atomization treating agent can be attached to the surface of the prefabricated door with a higher friction coefficient, and then spraying the primer, so that the primer can be well adhered to the atomization treating agent; the primer is polished after being dried, so that the firmness between the finish paint and the primer is improved, and through the treatment, the paint layer is firm and compact, the waterproof effect is good, the firmness is high, and the paint does not fall off.
According to the method for manufacturing the bamboo wood baking finish door of the embodiment of the invention, preferably, in the step (3), the amount of the primer is 290-300g/m2The dosage of the finish paint is 260-300g/m2. Because the bamboo-wood baking finish door provided by the invention adopts the bamboo-wood surface layer, only one primer and one finish are needed to be sprayed in the baking finish process, the using amount of the primer and the finish is controlled to the maximum extent, and the using amount of paint is greatly saved.
According to the method for manufacturing the bamboo and wood paint baking door, preferably, in the step (3), the atomized treatment agent comprises the following components in percentage by weight: 50-70% of butanone, 20-40% of ethyl acetate and 8-12% of polyurethane solution. The atomized finishing agent provided by the invention has the advantages that the main component is the polyurethane solution, the diluted polyurethane solution can be uniformly sprayed, the viscosity is good, the paint can be firmly connected with the prefabricated door, and the firmness of a paint layer is ensured.
According to the method for manufacturing the bamboo and wood baking finish door, preferably, the polyurethane solution is prepared by the following steps: reacting 18-20 parts by weight of polyethylene glycol with molecular weight of 2000-2500 with 3-5 parts by weight of 4, 4-diphenylmethane diisocyanate in 3-5 parts by weight of ethyl acetate solvent at 65-75 ℃ for 2.5-3.5h to obtain the polyurethane solution. In order to obtain a firm paint layer and avoid paint falling of the paint layer in the long-time use process, the main effective component polyurethane solution in the atomization treating agent provided by the invention is synthesized by polymerizing polyethylene glycol and 4, 4-diphenylmethane diisocyanate, and the obtained polyurethane solution contains-NCO groups, has high polarity and can generate intermolecular force with polar bonds in paint so as to improve the firmness between a primer and a finish paint.
In addition, the bamboo and wood baking finish door provided by the invention can be subjected to gold insertion, silver insertion and ground color insertion treatment, so that the bamboo and wood baking finish door with a better decorative effect is obtained.
The invention has the beneficial effects that:
1. the invention provides a bamboo-wood baking finish door and a manufacturing method thereof, the bamboo-wood baking finish door provided by the invention is characterized in that bamboo-wood fibers are subjected to a hot pressing process to obtain a bamboo-wood surface layer imitating wood textures, a bamboo-wood fiberboard is used as a base layer, the bamboo-wood surface layer, a frame layer and the bamboo-wood base layer are subjected to press fitting in a cold pressing mode to obtain a prefabricated door, and then baking finish treatment is carried out, so that the obtained bamboo-wood baking finish door has the appearance of high-degree imitated wood textures, the whole door plate does not use a density board to improve the environmental protection performance, the use of scarce wood is reduced, and the consumption of wood.
2. The bamboo-wood baked paint door is manufactured by using a bamboo-wood fiberboard as a raw material, ironing and pressing the bamboo-wood fiberboard at the temperature of 120-150 ℃ to obtain wood textures with the depth of 0.3-1mm, embossing to obtain a bamboo-wood panel, performing cold-pressing compounding on the bamboo-wood panel, a frame and a bamboo-wood base layer to obtain a prefabricated door, polishing, spraying a treatment agent, spraying a primer, polishing and spraying a finish paint.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be described in detail below. It is to be understood that the described embodiments are merely exemplary of the invention, and not restrictive of the full scope of the invention. All other embodiments, which can be derived by a person skilled in the art from the examples given herein without any inventive step, are within the scope of the present invention.
Example 1
A bamboo and wood baking finish door comprises an upper baking finish layer, a bamboo and wood surface layer, a frame layer, a bamboo and wood base layer and a lower baking finish layer which are sequentially arranged from top to bottom, wherein the bamboo and wood surface layer is provided with wood textures with the depth of 0.3-1 mm.
The manufacturing method of the bamboo wood baking finish door comprises the following steps:
(1) ironing and pressing the bamboo-wood fiber board with the thickness of 1.8mm at the temperature of 120-130 ℃, ironing and pressing out wooden textures with the depth of 0.3-1mm to obtain the wooden texture bamboo-wood fiber board, then heating the wooden texture bamboo-wood fiber board to the temperature of 100-105 ℃, and placing the wooden texture bamboo-wood fiber board in a mold for embossing treatment to obtain the bamboo-wood panel;
(2) manufacturing a frame, coating glue on the lower surface of the frame, placing the frame on a bamboo-wood base layer, then coating glue on the upper surface of the frame, placing the bamboo-wood panel obtained in the step (1) on the frame, performing cold pressing for 12 hours, forming, and sealing edges to obtain a prefabricated door, wherein the bamboo-wood base layer is made of a bamboo-wood fiberboard with the thickness of 1.8 mm;
(3) and (3) polishing the prefabricated door obtained in the step (2) by using 180-mesh sand paper, spraying an atomization treating agent, spraying a primer, polishing by using 300-mesh sand paper after the primer is dried, spraying finish paint, and drying to obtain the bamboo and wood baking finish door.
Example 2
A bamboo and wood baking finish door comprises an upper baking finish layer, a bamboo and wood surface layer, a frame layer, a bamboo and wood base layer and a lower baking finish layer which are sequentially arranged from top to bottom, wherein the bamboo and wood surface layer is provided with wood textures with the depth of 0.3-1 mm.
The manufacturing method of the bamboo wood baking finish door comprises the following steps:
(1) ironing and pressing the bamboo-wood fiber board with the thickness of 3.8mm at the temperature of 145-150 ℃, ironing and pressing out wooden textures with the depth of 0.3-1mm to obtain the wooden texture bamboo-wood fiber board, then heating the wooden texture bamboo-wood fiber board to the temperature of 165-170 ℃, and placing the wooden texture bamboo-wood fiber board in a mold for embossing treatment to obtain the bamboo-wood panel;
(2) manufacturing a frame, coating glue on the lower surface of the frame, placing the frame on a bamboo-wood base layer, coating glue on the upper surface of the frame, placing the bamboo-wood panel obtained in the step (1) on the frame, cold-pressing for 14 hours at room temperature, forming, and sealing edges to obtain a prefabricated door, wherein the bamboo-wood base layer is made of a bamboo-wood fiberboard with the thickness of 3.8mm, the frame is made of a veneer obtained by rotary cutting of raw wood, the veneer is cut and assembled to obtain the frame, and a foaming material is filled in the frame;
(3) and (3) polishing the prefabricated door obtained in the step (2) by using 280-mesh sand paper, spraying a treatment agent, spraying primer, polishing by using 600-mesh sand paper after the primer is dried, spraying finish paint, and drying to obtain the bamboo and wood baked paint door.
Example 3
A bamboo and wood baking finish door comprises an upper baking finish layer, a bamboo and wood surface layer, a frame layer, a bamboo and wood base layer and a lower baking finish layer which are sequentially arranged from top to bottom, wherein the bamboo and wood surface layer is provided with wood textures with the depth of 0.3-1 mm.
The manufacturing method of the bamboo wood baking finish door comprises the following steps:
(1) ironing and pressing the bamboo-wood fiber board with the thickness of 3mm at the temperature of 100-105 ℃, ironing and pressing out wooden textures with the depth of 0.3-1mm to obtain the wooden texture bamboo-wood fiber board, then heating the wooden texture bamboo-wood fiber board to the temperature of 120-125 ℃, and placing the wooden texture bamboo-wood fiber board in a mold for embossing treatment to obtain a bamboo-wood panel;
(2) manufacturing a frame, coating glue on the lower surface of the frame, placing the frame on a bamboo-wood base layer, coating glue on the upper surface of the frame, placing the bamboo-wood panel obtained in the step (1) on the frame, cold-pressing for 16h at room temperature, forming, and sealing edges to obtain a prefabricated door, wherein the bamboo-wood base layer is made of a bamboo-wood fiberboard with the thickness of 3mm, the frame is made of a veneer obtained by slicing raw wood, the veneer is cut and assembled to obtain the frame, and honeycomb paper is filled in the frame;
(3) polishing the prefabricated door obtained in the step (2) by using 240-mesh sand paper, spraying the atomized treating agent, spraying primer after the solvent of the atomized treating agent is volatilized, wherein the spraying amount of the primer is 290-300g/m2The atomization treating agent comprises, by weight, 50% of butanone, 40% of ethyl acetate and 10% of polyurethane solution, and the preparation method of the polyurethane solution comprises the following steps: adding 18 parts by weight of polyethylene glycol with the molecular weight of 2000-2500 and 3 parts by weight of 4, 4-diphenylmethane diisocyanate into 3 parts by weight of ethyl acetate solvent, and reacting at 65 ℃ for 3.5 hours to obtain the polyurethane solution; after the primer is dried, polishing by using 400-mesh sand paper, and then spraying finish paint, wherein the spraying amount of the finish paint is 260-270g/m2And drying to obtain the bamboo wood baking finish door.
Example 4
A bamboo and wood baking finish door comprises an upper baking finish layer, a bamboo and wood surface layer, a frame layer, a bamboo and wood base layer and a lower baking finish layer which are sequentially arranged from top to bottom, wherein the bamboo and wood surface layer is provided with wood textures with the depth of 0.3-1 mm.
The manufacturing method of the bamboo wood baking finish door comprises the following steps:
(1) ironing and pressing the bamboo-wood fiber board with the thickness of 3mm at the temperature of 135-140 ℃, ironing and pressing out wooden textures with the depth of 0.3-1mm to obtain the wooden texture bamboo-wood fiber board, then heating the wooden texture bamboo-wood fiber board to the temperature of 120-125 ℃, and placing the wooden texture bamboo-wood fiber board in a mold for embossing treatment to obtain the bamboo-wood panel;
(2) manufacturing a frame, coating glue on the lower surface of the frame, placing the frame on a bamboo-wood base layer, coating glue on the upper surface of the frame, placing the bamboo-wood panel obtained in the step (1) on the frame, cold-pressing for 16h at room temperature, forming, and sealing edges to obtain a prefabricated door, wherein the bamboo-wood base layer is made of a bamboo-wood fiberboard with the thickness of 3mm, the frame is made of a veneer obtained by rotary cutting of raw wood, the veneer is cut and assembled to obtain the frame, and the frame is filled with conventional materials;
(3) polishing the prefabricated door obtained in the step (2) by using 240-mesh sand paper, and treating by using an atomization treating agent, wherein the atomization treating agent comprises 70% of butanone, 20% of ethyl acetate and 10% of polyurethane solution by weight percent, and the preparation method of the polyurethane solution comprises the following steps: adding 20 parts by weight of polyethylene glycol with molecular weight of 2000-2500 and 5 parts by weight of 4, 4-diphenylmethane diisocyanate into 5 parts by weight of ethyl acetate solvent, and reacting at 75 ℃ for 2.5h to obtain the polyurethane solution; after the solvent of the atomized treatment agent is volatilized, spraying primer, wherein the spraying amount of the primer is 290-300g/m2After the primer is dried, polishing by using 300-mesh sand paper, and then spraying finish paint, wherein the spraying amount of the finish paint is 295-300g/m2And drying to obtain the bamboo wood baking finish door.
Example 5
A bamboo and wood paint door comprises an upper paint baking layer, a PVC finish coat, a bamboo and wood surface layer, a frame layer, a bamboo and wood base layer and a lower paint baking layer which are sequentially arranged from top to bottom, wherein the bamboo and wood surface layer is provided with wood textures with the depth of 0.3-0.6 mm.
The manufacturing method of the bamboo wood baking finish door comprises the following steps:
(1) ironing and pressing the bamboo-wood fiber board with the thickness of 2.5mm at the temperature of 135-140 ℃ to obtain wood textures with the depth of 0.3-0.6mm, thus obtaining the bamboo-wood fiber board with the wood textures, then heating the bamboo-wood fiber board with the wood textures to the temperature of 120-125 ℃, and placing the bamboo-wood fiber board with the wood textures in a mold for embossing treatment, thus obtaining the bamboo-wood panel;
(2) manufacturing a frame, coating glue on the lower surface of the frame, placing the frame on a bamboo-wood base layer, then coating glue on the upper surface of the frame, placing the bamboo-wood panel obtained in the step (1) on the frame, placing a PVC (polyvinyl chloride) veneer layer on the bamboo-wood panel, performing cold pressing for 16h at room temperature, molding and edge sealing to obtain a prefabricated door, wherein the bamboo-wood base layer is made of a bamboo-wood fiberboard with the thickness of 2.5mm, the frame is made of a veneer obtained by performing rotary cutting on raw wood, the veneer is cut and assembled to obtain the frame, and the frame is filled with a conventional foam board;
(3) polishing the prefabricated door obtained in the step (2) by using 240-mesh sand paper, and treating by using an atomization treating agent, wherein the atomization treating agent comprises 52% of butanone, 40% of ethyl acetate and 8% of a polyurethane solution by weight percent, and the preparation method of the polyurethane solution comprises the following steps: adding 20 parts by weight of polyethylene glycol with molecular weight of 2000-2500 and 5 parts by weight of 4, 4-diphenylmethane diisocyanate into 5 parts by weight of ethyl acetate solvent, and reacting at 70 ℃ for 3 hours to obtain the polyurethane solution; after the solvent of the atomized treatment agent is volatilized, the primer is sprayed, and the spraying amount of the primer is 290-300g/m2After the primer is dried, polishing by using 300-mesh sand paper, and then spraying finish paint, wherein the spraying amount of the finish paint is 260-265g/m2And drying to obtain the bamboo wood baking finish door.
Test examples
Warping degree tests are carried out on the bamboo and wood baking finish doors obtained in the embodiments 1-5 of the invention and certain commercially available water-bent willow solid doors according to the national standard GB/T15104-2006.
The specific test method comprises the following steps: the concave surface of the door plate is upwards placed on a horizontal table board, the thin steel wires are used for aligning two opposite angles and tightening the opposite angles in the two opposite angle directions respectively, and the maximum chord height and the opposite angle length between the plate surface and the steel wires are measured by steel plates and are accurate to 1 mm. Warp is the ratio of the maximum chord height to the corresponding diagonal length, expressed in percent.
The test result shows that the warp degree of the bamboo-wood baked-paint door obtained in the example 1 is 0.3%, the warp degree of the bamboo-wood baked-paint door obtained in the example 2 is 0.2%, the warp degree of the bamboo-wood baked-paint door obtained in the example 3 is 0.2%, the warp degree of the bamboo-wood baked-paint door obtained in the example 4 is 0.1%, the warp degree of the bamboo-wood baked-paint door obtained in the example 5 is 0.1%, and the warp degree of a commercially available wood door is 0.3%.
The bamboo and wood baking finish doors obtained in the embodiments 1-5 of the invention and the commercially available composite doors made of boards with certain density are subjected to a dipping peeling test and a surface bonding strength test according to GB/T15104-2006.
The dipping and peeling test is carried out according to a III-type dipping and peeling test method, and the result shows that the peeling length of each side of the bamboo-wood surface layer of the bamboo-wood baked door obtained in the embodiment 1 is not more than 10mm, the peeling length of each side of the bamboo-wood surface layer of the bamboo-wood baked door obtained in the embodiment 2 is not more than 8mm, the peeling length of each side of the bamboo-wood surface layer of the bamboo-wood baked door obtained in the embodiment 3 is not more than 7mm, the peeling length of each side of the bamboo-wood surface layer of the bamboo-wood baked door obtained in the embodiment 4 is not more than 5mm, the peeling length of each side of the bamboo-wood surface layer of the bamboo-wood baked door obtained in the embodiment 5 is not more than 6mm, and the peeling length of each side of a composite door sold in.
Measuring the surface bonding strength according to the method for measuring the surface bonding strength of GB/T15104-20066.3.4, wherein the surface bonding strength P of the test piece is F/A, wherein P represents the surface bonding strength and has the unit of MPa; f represents the maximum load when the test piece is damaged, and the unit is N; a represents the area of the specimen bonded to the chuck in mm2。
The results show that: the bonding strength of the bamboo-wood baked door obtained in example 1 was 1.0MPa, the bonding strength of the bamboo-wood baked door obtained in example 2 was 0.9MPa, the bonding strength of the bamboo-wood baked door obtained in example 3 was 1.2MPa, the bonding strength of the bamboo-wood baked door obtained in example 4 was 1.4MPa, the bonding strength of the bamboo-wood baked door obtained in example 5 was 1.2MPa, and the bonding strength of a commercially available composite door was 0.6 MPa.
The test results show that the bamboo wood baking finish door provided by the invention is not easy to warp and has stable size; the paint is resistant to stripping, difficult to peel and paint, and has good stability; the bamboo-wood baking varnish wooden door has high bonding strength and is not easy to deform, and the bamboo-wood baking varnish wooden door provided by the invention has attractive appearance and excellent use performance.
The above description is only for the specific embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present invention, and all the changes or substitutions should be covered within the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the appended claims.
Claims (2)
1. A bamboo and wood baking finish door is characterized by comprising an upper baking finish layer, a bamboo and wood surface layer, a frame layer, a bamboo and wood base layer and a lower baking finish layer which are sequentially arranged from top to bottom, wherein the bamboo and wood surface layer is provided with wood textures with the depth of 0.3-1 mm;
the manufacturing method of the bamboo wood baking finish door comprises the following steps:
(1) the method comprises the steps of ironing and pressing the bamboo-wood fiber board at the temperature of 120-110 ℃, ironing and pressing out wood grains with the depth of 0.3-1mm to obtain a wood grain bamboo-wood fiber board, then heating the wood grain bamboo-wood fiber board to the temperature of 100-110 ℃, placing the wood grain bamboo-wood fiber board in a mold for embossing treatment to obtain a bamboo-wood panel, wherein the thickness of the bamboo-wood panel is 1.8-3.8 mm;
(2) manufacturing a frame, coating glue on the lower surface of the frame, placing the frame on a bamboo wood base layer, coating glue on the upper surface of the frame, placing the bamboo wood panel obtained in the step (1) on the frame, cold-pressing, wherein the cold-pressing temperature is room temperature, the cold-pressing time is more than 12 hours, and forming and edge sealing are carried out to obtain a prefabricated door;
(3) polishing the surface of the prefabricated door obtained in the step (2) by using 180-mesh 280-mesh sand paper, spraying a chemical treatment agent and a primer, drying the primer, polishing the surface of the prefabricated door by using 300-mesh 600-mesh sand paper, spraying a finish, and drying, wherein the dosage of the primer is 290-mesh 300g/m2The dosage of the finish paint is 260-300g/m2(ii) a The atomization treating agent comprises the following components in percentage by weight: 10-70% of butanone, 20-10% of ethyl acetate and 8-12% of polyurethane solution; the polyurethane solution is prepared by the following method: adding 18-20 parts by weight of polyethylene glycol with the molecular weight of 2000-2100 and 3-1 part by weight of 1, 1-diphenylmethane diisocyanate into 3-1 part by weight of ethyl acetate solvent, and reacting for 2.1-3.1h at 61-71 ℃ to obtain the polyurethane solution; and obtaining the bamboo wood baking finish door.
2. The bamboo wood baking finish door of claim 1, further comprising a finish layer between the upper baking finish layer and the bamboo wood surface layer.
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| CN113733705A (en) * | 2021-08-02 | 2021-12-03 | 江苏从一家居股份有限公司 | Wood fiber composite fireproof door and production method thereof |
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| US5496648A (en) * | 1994-11-04 | 1996-03-05 | Held; Russell K. | Formable composite laminates with cellulose-containing polymer resin sheets |
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| FI20135917A (en) * | 2013-09-11 | 2015-03-12 | Coreply Oy | Cellular structure |
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| CN1912034A (en) * | 2005-08-12 | 2007-02-14 | Sika技术股份公司 | Primer composition |
| CN201635602U (en) * | 2010-04-01 | 2010-11-17 | 高建朋 | Novel high-density board banding composite door |
| CN103923523A (en) * | 2014-04-15 | 2014-07-16 | 浙江华宝油墨有限公司 | Multi-arm star-shaped acrylate copolymer-modified polyurethane printing ink and preparation method thereof |
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