CN115742483A - Composite floor and production method thereof - Google Patents
Composite floor and production method thereof Download PDFInfo
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- CN115742483A CN115742483A CN202211635434.XA CN202211635434A CN115742483A CN 115742483 A CN115742483 A CN 115742483A CN 202211635434 A CN202211635434 A CN 202211635434A CN 115742483 A CN115742483 A CN 115742483A
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Images
Abstract
The embodiment of the invention discloses a composite floor, which comprises a composite floor body, wherein the composite floor body sequentially comprises a top material layer, a heat storage base material layer and a bottom material layer from top to bottom; the top material layer sequentially comprises a decorative layer and a buffer layer from top to bottom; the decorative layer sequentially comprises an upper melamine paper layer and an upper non-woven fabric layer from top to bottom; the base material layer sequentially comprises a balance layer and a mute layer from top to bottom; the balance layer sequentially comprises a lower non-woven fabric layer and a lower melamine paper layer from top to bottom. According to the composite floor, the material jacking layer is arranged above the heat storage base material layer, so that the composite floor has the functions of fire prevention, scratch resistance and passive protection; the heat storage base material layer enables the composite floor to have the functions of heat storage and heat preservation; and a primer layer is arranged below the heat storage base material layer, so that the composite floor has a mute function.
Description
Technical Field
The invention relates to the technical field of plate processing, in particular to a floor made of other materials.
Background
The composite floor is formed by sequentially pasting and compounding a plurality of different material layers by glue, the processing technology of the existing composite floor specifically comprises the steps of sequentially pressing and pasting corresponding material layers on the surface of a heat storage base material layer upwards, firstly, coating the glue on the facing surfaces of two adjacent material layers in a rolling way, and then, carrying out hot pressing and pressure maintaining to finally obtain the composite floor.
At present, melamine paper veneered composite floors on the market have the effects of fire prevention, scratch resistance and the like, cork composite floors have the effects of silence, passive protection and the like, and the composite floors integrating the advantages of the two types of floors are not provided.
Disclosure of Invention
In view of the above, the present invention provides a method for producing a composite floor, which is used to produce a composite floor having fireproof, scratch-resistant, heat-storage, heat-preservation, silent and passive protection effects.
A composite floor comprises a composite floor body, wherein the composite floor body sequentially comprises a top material layer, a heat storage base material layer and a bottom material layer from top to bottom;
the top material layer sequentially comprises a decorative layer and a buffer layer from top to bottom;
the decorative layer sequentially comprises an upper melamine paper layer and an upper non-woven fabric layer from top to bottom;
the base material layer sequentially comprises a balance layer and a mute layer from top to bottom;
the balance layer sequentially comprises a lower non-woven fabric layer and a lower melamine paper layer from top to bottom.
Further, the heat storage base material layer comprises the following raw materials in parts by weight: 70-140 parts of plant fiber, 0.5-2 parts of lubricant, 0.5-1 part of cross-linking agent, 10-20 parts of first microcapsule phase-change material slurry and 10-20 parts of second microcapsule phase-change material slurry.
Further, the preparation process of the first microcapsule phase-change material slurry comprises the following steps:
the method comprises the following steps: adding 7-35 parts of n-eicosane and 5-10 parts of sodium styrene-maleic anhydride copolymer into 200-500 parts of water, and magnetically stirring at the rotating speed of 1200-1600rpm for 2.5-3.5 hours at the temperature of 50-70 ℃ to obtain a first nuclear layer solution;
step two: mixing SiO2 and carbon nanotubes in a ratio of 9:1, mixing 3-15 parts of the first mixture, 0.3-3 parts of melamine and 1-6 parts of formaldehyde, adding the mixture into 200-500 parts of water, and magnetically stirring for 2-3 hours at 70-85 ℃ to obtain a first shell solution;
step three: adding the first shell layer solution into the first core layer solution, adjusting the pH value to 4-5 by using citric acid, magnetically stirring at the rotating speed of 600-750rpm for 6-8 hours, and adjusting the pH value to 8-9 by using 50wt% of triethanolamine to obtain first microcapsule phase change material raw pulp;
step four: performing suction filtration and drying on the primary pulp of the first microcapsule phase change material to obtain the first microcapsule composite phase change material, wherein the first microcapsule composite phase change material takes n-eicosane as a core and SiO2 and carbon nanotubes as shells, and the mass ratio of the core to the shells is 7:3;
step five: firstly, 2-5 parts of surfactant is dissolved in 400-800 parts of deionized water, then 20-40 parts of the first microcapsule composite phase-change material is added, and the mixture is stirred to obtain the first microcapsule phase-change material slurry.
Further, the preparation process of the second microcapsule phase-change material slurry comprises the following steps:
the method comprises the following steps: hexadecane and black scale were mixed at 19:1, adding 7-35 parts of the second mixture and 5-10 parts of styrene-maleic anhydride copolymer sodium salt into 200-500 parts of water, and magnetically stirring at the rotation speed of 1200-1600rpm for 2.5-3.5 hours at the temperature of 50-70 ℃ to obtain a second nuclear layer solution;
step two: mixing 3-15 parts of urea formaldehyde, 0.3-3 parts of melamine and 1-6 parts of formaldehyde, adding into 100-600 parts of water, and magnetically stirring for 2-3 hours at 70-85 ℃ to obtain a second shell solution;
step three: adding the second shell layer solution into the second core layer solution, adjusting the pH value to 4-5 by using citric acid, magnetically stirring at the rotating speed of 600-750rpm for 6-8 hours, and adjusting the pH value to 8-9 by using 50wt% of triethanolamine to obtain second microcapsule phase change material raw pulp;
step four: and carrying out suction filtration and drying on the primary phase change material pulp of the second microcapsule to obtain the composite phase change material of the second microcapsule, wherein the phase change material of the second microcapsule takes hexadecane and black scales as a core and urea formaldehyde as a shell, and the mass ratio of the core to the shell is 7:3;
step five: firstly, 2-5 parts of surfactant is dissolved in 400-800 parts of deionized water, then 20-40 parts of the second microcapsule composite phase-change material is added, and the mixture is stirred to obtain the second microcapsule phase-change material slurry.
Furthermore, the composite floor body also comprises a tongue-and-groove and a tongue;
the tongue-and-groove is an R-shaped groove, the tongue-and-groove is arranged on one side of the composite floor body, the tongue-and-groove is matched with the tongue, and the tongue-and-groove is arranged on the other side, opposite to the tongue-and-groove, of the composite floor body.
Furthermore, the buffer layer is made of cork;
the mute layer is made of cork.
In order to achieve one or a part of or all of the above objects or other objects, the present embodiment further provides a method for manufacturing a composite floor, including the steps of:
the method comprises the following steps: the non-woven fabric is processed by gum dipping and can be divided into an upper non-woven fabric layer and a lower non-woven fabric layer;
step two: processing the printing paper by melamine to obtain an upper melamine paper layer;
step three: performing melamine treatment on plain color base paper to obtain a lower melamine paper layer;
step four: overlapping the unprinted side of the upper melamine paper layer with the upper non-woven fabric layer, and laminating and compounding the upper melamine paper layer and the upper non-woven fabric layer through a hot pressing process to obtain a decorative layer;
step five: overlapping the lower non-woven fabric layer and the lower melamine paper layer, and laminating and compounding the lower melamine paper layer and the lower non-woven fabric layer through a hot pressing process to obtain a balance layer;
step six: superposing one side of the decorative layer facing the upper non-woven fabric layer above the buffer layer, and laminating and compounding the decorative layer and the buffer layer through a hot pressing process to obtain a top material layer;
step seven: superposing one side of the balance layer facing the lower melamine paper layer above a mute layer, and laminating and compounding the balance layer and the mute layer through a hot pressing process to obtain a base material layer;
step eight: superposing one side of the material ejecting layer facing the buffer layer above a heat storage base material layer, superposing one side of the material backing layer facing the balance layer below the heat storage base material layer, and laminating and compounding the material ejecting layer, the heat storage base material layer and the material backing layer through a hot pressing process to obtain a composite floor raw plate;
step nine: post-processing, namely performing post-processing on the original composite floor board, wherein the post-processing at least comprises one of cutting processing and mortise and tenon processing;
step ten: chamfering, namely chamfering the groove tenon structure of the original composite floor board after groove tenon processing;
step eleven: and sealing, namely sealing the chamfered groove tenon structure to obtain the composite floor.
Furthermore, the temperature of the hot pressing process in the fourth step and the temperature of the hot pressing process in the fifth step are both 140-200 ℃, and the dwell time is both 30-120 seconds.
And further, the temperature of the hot pressing process of the sixth step, the seventh step and the eighth step is 50-90 ℃, and the pressure maintaining time is 5-15 minutes.
Further, an aging treatment step is added after the hot pressing process, and the composite board after the hot pressing process is naturally cooled for at least 24 hours.
The embodiment of the invention has the following beneficial effects:
according to the composite floor, the material jacking layer is arranged above the heat storage base material layer, so that the composite floor has the functions of fire prevention, scratch resistance and passive protection; the heat storage base material layer enables the composite floor to have the functions of heat storage and heat preservation; and a primer layer is arranged below the heat storage base material layer, so that the composite floor has a mute function.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic structural view of a composite floor panel of the present application;
fig. 2 is a flow chart of the manufacturing process of the composite floor in the present application.
Reference numerals are as follows: 1. a composite floor body;
10. a material jacking layer; 101. a decorative layer; 102. a buffer layer; 1011. a melamine paper layer is arranged; 1012. a non-woven fabric layer is arranged;
20. a heat storage substrate layer; 201. a mortise and tenon structure; 2011. a tongue-and-groove; 2012 tongue-and-groove;
30. a primer layer; 301. a balancing layer; 302. a mute layer; 3011. a lower non-woven fabric layer; 3012. and (5) arranging a melamine paper layer.
Detailed Description
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.
Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein may be combined with other embodiments.
In order to make the technical solutions better understood by those skilled in the art, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the accompanying drawings.
Referring to the attached drawings 1-2, the composite floor comprises a composite floor body 1, wherein the composite floor body 1 sequentially comprises a top material layer 10, a heat storage base material layer 20 and a bottom material layer 30 from top to bottom;
the top material layer 10 sequentially comprises a decorative layer 101 and a buffer layer 102 from top to bottom;
the decorative layer 101 sequentially comprises an upper melamine paper layer 1011 and an upper non-woven fabric layer 1012 from top to bottom;
the base material layer 30 sequentially comprises a balance layer 301 and a mute layer 302 from top to bottom;
the balance layer 301 sequentially comprises a lower non-woven fabric layer 3011 and a lower melamine paper layer 3012 from top to bottom.
In this embodiment, the heat storage substrate layer is made of high-density fiberboard or multilayer solid wood board, and reaches the E0 level environmental sanitation standard, and reduces the pollution of the living environment.
The upper melamine paper layer 1011 and the lower melamine paper layer 3012 are made of the same material, and are melamine impregnated adhesive tape paper with certain resin content and volatile matter content. The upper non-woven fabric layer 1012 and the lower non-woven fabric layer 3011 are made of the same material and are impregnated non-woven fabrics, and the impregnated non-woven fabrics can resist high temperature when being combined with bamboo and wood veneers, so that the toughness of the bamboo and wood veneers is enhanced.
The melamine paper layer 1011 on the decorative layer 101 has the functions of fire resistance and scratch resistance; the buffer layer 102 has a passive protection function; the lower melamine paper layer 3012 on the balance layer 301 also has the functions of fire prevention and scratch resistance; the mute layer 302 has the functions of muting and heat preservation.
The heat storage substrate layer 20 has a heat storage and heat preservation function.
As an embodiment, the heat storage substrate layer 20 includes the following raw materials in parts by weight: 70-140 parts of plant fiber, 0.5-2 parts of lubricant, 0.5-1 part of cross-linking agent, 10-20 parts of first microcapsule phase change material slurry and 10-20 parts of second microcapsule phase change material slurry.
In the embodiment, 70-80 parts of plant fiber, 0.5-2 parts of lubricant, 0.5-1 part of cross-linking agent, 10-20 parts of first microcapsule phase change material slurry and 10-20 parts of second microcapsule phase change material slurry are mixed at high speed for 5-20 minutes, then the mixture is placed into a special base material layer molding device for molding, the hot pressing time is determined to be 30-60 minutes according to the prepared thickness of the heat storage base material layer 20 under the conditions of 150-250 ℃ and 10-20MPa of hot pressing pressure, and after the pressing is finished, the heat storage base material layer 20 with the heat storage function is obtained after the shaping is carried out after natural cooling for at least 24 hours, and then the mold is ejected and removed, so that the heat storage base material layer 20 with the heat storage function is obtained. The first microcapsule phase-change material slurry and the second microcapsule phase-change material slurry are mixed to enhance the heat storage capacity of the heat storage base material layer 20.
As an example, the preparation process of the first microcapsule phase-change material slurry comprises the following steps:
the method comprises the following steps: adding 7-35 parts of n-eicosane and 5-10 parts of sodium styrene-maleic anhydride copolymer into 200-500 parts of water, and magnetically stirring at the rotating speed of 1200-1600rpm for 2.5-3.5 hours at the temperature of 50-70 ℃ to obtain a first nuclear layer solution;
step two: mixing SiO2 and carbon nanotubes in a ratio of 9:1, mixing 3-15 parts of the first mixture, 0.3-3 parts of melamine and 1-6 parts of formaldehyde, adding the mixture into 200-500 parts of water, and magnetically stirring for 2-3 hours at 70-85 ℃ to obtain a first shell solution;
step three: adding the first shell layer solution into the first core layer solution, adjusting the pH value to 4-5 by using citric acid, magnetically stirring at the rotating speed of 600-750rpm for 6-8 hours, and adjusting the pH value to 8-9 by using 50wt% of triethanolamine to obtain first microcapsule phase change material protoplasm;
step four: and carrying out suction filtration and drying on the primary pulp of the first microcapsule phase change material to obtain the first microcapsule composite phase change material, wherein the first microcapsule composite phase change material takes n-eicosane as a core and SiO2 and carbon nano tubes as shells, and the mass ratio of the core to the shells is 7:3;
step five: firstly, 2-5 parts of surfactant is dissolved in 400-800 parts of deionized water, then 20-40 parts of the first microcapsule composite phase-change material is added, and the mixture is stirred to obtain the first microcapsule phase-change material slurry.
In this embodiment, the first microcapsule phase change material slurry synthesized through the above steps has the heat storage capability of the heat storage base material layer 20, and the shell of the first microcapsule phase change material doped with the carbon nanotube can enhance the heat conductivity of the first microcapsule phase change material, thereby improving the heat storage performance of the first microcapsule phase change material slurry.
As an example, the preparation process of the second microcapsule phase-change material slurry comprises the following steps:
the method comprises the following steps: hexadecane and black scale were mixed at 19:1, adding 7-35 parts of the second mixture and 5-10 parts of styrene-maleic anhydride copolymer sodium salt into 200-500 parts of water, and magnetically stirring at the rotation speed of 1200-1600rpm for 2.5-3.5 hours at the temperature of 50-70 ℃ to obtain a second nuclear layer solution;
step two: mixing 3-15 parts of urea formaldehyde, 0.3-3 parts of melamine and 1-6 parts of formaldehyde, adding into 100-600 parts of water, and magnetically stirring for 2-3 hours at 70-85 ℃ to obtain a second shell solution;
step three: adding the second shell layer solution into the second core layer solution, adjusting the pH value to 4-5 by using citric acid, magnetically stirring at the rotating speed of 600-750rpm for 6-8 hours, and adjusting the pH value to 8-9 by using 50wt% of triethanolamine to obtain second microcapsule phase change material raw pulp;
step four: and performing suction filtration and drying on the primary phase change material pulp of the second microcapsule to obtain the composite phase change material of the second microcapsule, wherein the phase change material of the second microcapsule takes hexadecane and black scales as a core and urea formaldehyde as a shell, and the mass ratio of the core to the shell is 7:3;
step five: firstly, 2-5 parts of surfactant is dissolved in 400-800 parts of deionized water, then 20-40 parts of the second microcapsule composite phase-change material is added, and the mixture is stirred to obtain the second microcapsule phase-change material slurry.
In this embodiment, the second microcapsule phase change material slurry synthesized through the above steps has the heat storage capability of the heat storage base material layer 20, and the heat conductivity of the first microcapsule phase change material can be enhanced by doping the core of the second microcapsule phase change material with black scales, so that the heat storage performance of the second microcapsule phase change material slurry is improved.
When the first microcapsule phase-change material slurry and the second microcapsule phase-change material slurry are mixed and added
As an example, the composite floor body 1 further includes a tongue 2011 and a tongue 2012;
the tongue 2011 is an R-shaped groove, the tongue 2011 is arranged on one side of the composite floor body 1, the tongue 2011 is matched with the tongue 2012, and the tongue 2012 is arranged on the other side of the composite floor body 1 opposite to the tongue 2011.
In this embodiment, the tongue 2011 and the tongue 2012 are both disposed on the heat storage substrate layer 20. The grooves and tongues 2011 of the R-shaped groove are gentle, so that diffuse reflection can be formed after light is irradiated, a good visual effect can be formed, and the decorative effect of the composite floor using the R-shaped groove is better. When the tongue 2012 of one composite floor body 1 is installed on the tongue 2011 of another composite floor body 1, the composite floor body 1 can be laid without glue due to the self-locking effect, and is convenient to disassemble and can be recycled.
As an example, the cushioning layer 102 is made of cork;
the mute layer 302 is made of cork.
In this embodiment, the cushioning layer 102 is a first-level ergonomic cork cushioning layer, which is made of high-density cork, and implements a first-level passive protection of the human body according to ergonomic protection standards.
The sound-deadening layer 302 is a secondary environmental engineering cork sound-deadening layer, which adopts an environmental grade cork floor mat to realize the effects of sound-deadening, heat preservation and moisture-proof.
In order to achieve one or a part of or all of the above objects or other objects, the present embodiment further provides a method for manufacturing a composite floor, including the steps of:
the method comprises the following steps: performing gum dipping treatment on the non-woven fabric, and dividing the non-woven fabric into an upper non-woven fabric layer 1012 and a lower non-woven fabric layer 3011;
step two: the printing paper is processed by melamine to form an upper melamine paper layer 1011; the printing paper can be made into different patterns and textures by a printing technology, so that the requirements of different users are met.
Step three: the plain base paper is processed by melamine to form a lower melamine paper layer 3012;
step four: overlapping the unprinted side of the upper melamine paper layer 1011 with the upper non-woven fabric layer 1012, and laminating and compounding the upper melamine paper layer 1011 and the upper non-woven fabric layer 1012 through a hot pressing process to obtain a decorative layer 101; the decorative layer 101 has fire and scratch resistant functions.
Step five: overlapping the lower non-woven fabric layer 3011 and the lower melamine paper layer 3012, and laminating and compounding the lower melamine paper layer 3012 and the lower non-woven fabric layer 3011 by a hot pressing process to obtain a balance layer 301;
step six: superposing one side of the decorative layer 101 facing the upper non-woven fabric layer 1012 on the buffer layer 102, and laminating and compounding the decorative layer 101 and the buffer layer 102 through a hot pressing process to obtain the topping layer 10;
step seven: superposing one side of the balance layer 301 facing the lower melamine paper layer 3012 above the mute layer 302, and laminating and compounding the balance layer 301 and the mute layer 302 through a hot pressing process to obtain a primer layer 30;
step eight: superposing one side of the top material layer 10 facing the buffer layer 102 above a heat storage base material layer 20, superposing one side of the bottom material layer 30 facing the balance layer 301 below the heat storage base material layer 20, and laminating and compounding the top material layer 10, the heat storage base material layer 20 and the bottom material layer 30 through a hot pressing process to obtain a composite floor raw plate;
step nine: post-processing, namely performing post-processing on the original composite floor board, wherein the post-processing at least comprises one of cutting processing and mortise and tenon processing;
step ten: chamfering, namely chamfering the groove-tenon structure 201 of the original composite floor board after groove-tenon processing, and performing chamfering processing on the groove-tenon structure 201;
step eleven: and (5) sealing, namely sealing the chamfered groove-tenon structure 201 to obtain the composite floor.
In this embodiment, the apparatus used in the hot pressing process is a hot press.
The upper non-woven fabric layer 1012 can reinforce the toughness of the primary ergonomic cork buffer layer 102, and can prevent the primary ergonomic cork buffer layer 102 from cracking due to elastic deformation when the top material layer 10 is impacted or extruded strongly.
The upper melamine paper layer 1011 is directly compounded with the first-level ergonomic cork cushioning layer 102, the required compounding temperature is 120-160 ℃, the moisture gasification speed in the first-level ergonomic cork cushioning layer 102 is higher at 120-160 ℃, so that the side of the upper melamine paper layer 1011 without printed patterns is required to be overlapped with the upper non-woven fabric layer 1012, the temperature required for laminating and compounding the decorative layer 101 and the cushioning layer 102 can be reduced to 50-90 ℃, the moisture vaporization speed in the first-level ergonomic cork cushioning layer 102 is reduced at 50-90 ℃, and the first-level ergonomic cork cushioning layer 102 is prevented from cracking and incapable of normal production when the top material layer 10 is taken out of a hot press after being manufactured.
In this embodiment, the lower non-woven fabric layer 3011 can reinforce the toughness of the second-level environmental engineering cork layer 302, and can prevent the second-level environmental engineering cork layer 302 from cracking due to elastic deformation when the base material layer 30 is impacted by the outside or is extruded by a strong force.
The lower melamine paper layer 3012 is directly compounded with the secondary environmental engineering cork mute layer 302, the required compounding temperature is 120-160 ℃, the moisture gasification speed in the secondary environmental engineering cork mute layer 302 is higher at 120-160 ℃, therefore, a lower non-woven fabric layer 3011 needs to be added on the lower melamine paper layer 3012, the temperature required for laminating and compounding the decorative layer 101 and the buffer layer 102 is reduced to 50-90 ℃, the moisture gasification speed in the secondary environmental engineering cork mute layer 302 is reduced at 50-90 ℃, and the secondary environmental engineering cork mute layer 302 is prevented from bursting and incapable of normal production when the base material layer 30 is taken out from a hot press after being manufactured.
In the embodiment, the cutting process is to cut the original board of the composite floor into boards with certain specifications, and then perform the mortise and tenon processing on the cut boards by using a double-end milling device to generate the mortise and tenon structure 201; the sealing treatment is to seal the surface of the chamfer of the mortise and tenon structure 201 with paint or liquid wax, so that the composite floor body 1 can prevent water from seeping into the composite floor body 1 to cause degumming and swelling when in use, and is convenient for cleaning pollutants in the mortise and tenon structure 201.
In this embodiment, the chamfering process is performed by cutting the tongue and groove structure 201 into a certain inclined plane, and then polishing the tongue and groove structure 201 to make it smoother, so as to ensure that the connection between the composite floor bodies 1 is tighter and firmer, and to strictly control the height difference between the composite floor bodies 1.
In this embodiment, the hot pressing process is a process of heating and simultaneously pressing the formed slab to form a fiber board having a certain mechanical strength and water resistance.
In this embodiment, the balance layer 301 can keep the internal stress of the composite floor board body 1 balanced, and the thicknesses of the balance layer 301 and the decoration layer 101 are the same, so as to ensure the balance of the tensile force between the top material layer 10 and the bottom material layer 30 on the heat storage substrate layer 20, and control the physical deformation of the composite floor board body 1 within the deformation standard of the composite floor board body 1.
As an example, the temperature of the hot pressing process in the fourth step and the temperature of the hot pressing process in the fifth step are both 140-200 ℃, and the dwell time is both 30-120 seconds.
In this embodiment, the high temperature enables decorative layer 101 of step four and balance layer 301 of step five to be quickly formed.
As an example, the temperature of the hot pressing process of the sixth step, the seventh step and the eighth step is 50-90 ℃, and the dwell time is 5-15 minutes.
In this embodiment, the temperature required in the sixth, seventh and eighth steps is 50-90 ℃, and the temperature required is lower than the temperature required in the fourth and fifth steps, so that the bursting of the primary ergonomic cork cushioning layer 102 during pressure relief of the top material layer 10 can be prevented, and the bursting of the secondary environmental engineering cork silencing layer 302 during pressure relief of the bottom material layer 30 can be prevented, because the water in the cork material is quickly lost if the temperature is higher than 90 ℃.
As an embodiment, an aging treatment step is added after the hot pressing process, and the composite board after the hot pressing process is naturally cooled for at least 24 hours.
In this embodiment, the composite board includes the decorative layer 101, the balance layer 301, the top material layer 10 and the base material layer 30, and after the composite board is manufactured through a hot pressing process, the composite board needs to be taken out and placed in a warehouse, so that the product is naturally cooled for at least 24 hours, and then the next step is performed after the stress in the hot-pressed composite board is eliminated, and if the composite board is cooled forcibly by equipment, the composite board is easily deformed in the production process of the next step, which affects the production.
It is to be understood that the above-described embodiments are merely illustrative of some, but not restrictive, of the broad invention, and that the appended drawings illustrate preferred embodiments of the invention and do not limit the scope of the invention. This application is capable of embodiments in many different forms and the embodiments are provided so that this disclosure will be thorough and complete. Although the present application has been described in detail with reference to the foregoing embodiments, it will be apparent to one skilled in the art that the present application may be practiced without modification or with equivalents of some of the features described in the foregoing embodiments. All equivalent structures made by using the contents of the specification and the drawings of the present application are directly or indirectly applied to other related technical fields, and all the equivalent structures are within the protection scope of the present application.
Claims (10)
1. A composite floor board is characterized in that,
the composite floor comprises a composite floor body (1), wherein the composite floor body (1) sequentially comprises a top material layer (10), a heat storage base material layer (20) and a bottom material layer (30) from top to bottom;
the top material layer (10) sequentially comprises a decorative layer (101) and a buffer layer (102) from top to bottom;
the decorative layer (101) sequentially comprises an upper melamine paper layer (1011) and an upper non-woven fabric layer (1012) from top to bottom;
the base material layer (30) sequentially comprises a balance layer (301) and a mute layer (302) from top to bottom;
the balance layer (301) sequentially comprises a lower non-woven fabric layer (3011) and a lower melamine paper layer (3012) from top to bottom.
2. The composite floor panel of claim 1,
the heat storage base material layer (20) comprises the following raw materials in parts by weight: 70-140 parts of plant fiber, 0.5-2 parts of lubricant, 0.5-1 part of cross-linking agent, 10-20 parts of first microcapsule phase change material slurry and 10-20 parts of second microcapsule phase change material slurry.
3. The composite floor panel of claim 2,
the preparation process of the first microcapsule phase change material slurry comprises the following steps:
the method comprises the following steps: adding 7-35 parts of n-eicosane and 5-10 parts of styrene-maleic anhydride copolymer sodium salt into 200-500 parts of water, and magnetically stirring at the rotating speed of 1200-1600rpm for 2.5-3.5 hours at the temperature of 50-70 ℃ to obtain a first core layer solution;
step two: mixing SiO2 and carbon nanotubes in a ratio of 9:1, mixing 3-15 parts of the first mixture, 0.3-3 parts of melamine and 1-6 parts of formaldehyde, adding the mixture into 200-500 parts of water, and magnetically stirring for 2-3 hours at 70-85 ℃ to obtain a first shell solution;
step three: adding the first shell layer solution into the first core layer solution, adjusting the pH value to 4-5 by using citric acid, magnetically stirring at the rotating speed of 600-750rpm for 6-8 hours, and adjusting the pH value to 8-9 by using 50wt% of triethanolamine to obtain first microcapsule phase change material raw pulp;
step four: and carrying out suction filtration and drying on the primary pulp of the first microcapsule phase change material to obtain the first microcapsule composite phase change material, wherein the first microcapsule composite phase change material takes n-eicosane as a core and SiO2 and carbon nano tubes as shells, and the mass ratio of the core to the shells is 7:3;
step five: firstly, 2-5 parts of surfactant is dissolved in 400-800 parts of deionized water, and then 20-40 parts of the first microcapsule composite phase change material is added, and the mixture is stirred to obtain the first microcapsule phase change material slurry.
4. The composite floor panel of claim 2,
the preparation process of the second microcapsule phase change material slurry comprises the following steps:
the method comprises the following steps: hexadecane and black scale were mixed at 19:1, adding 7-35 parts of the second mixture and 5-10 parts of styrene-maleic anhydride copolymer sodium salt into 200-500 parts of water, and magnetically stirring at the rotation speed of 1200-1600rpm for 2.5-3.5 hours at the temperature of 50-70 ℃ to obtain a second core layer solution;
step two: mixing 3-15 parts of urea formaldehyde, 0.3-3 parts of melamine and 1-6 parts of formaldehyde, adding into 100-600 parts of water, and magnetically stirring for 2-3 hours at 70-85 ℃ to obtain a second shell solution;
step three: adding the second shell layer solution into the second core layer solution, adjusting the pH value to 4-5 by using citric acid, magnetically stirring at the rotating speed of 600-750rpm for 6-8 hours, and adjusting the pH value to 8-9 by using 50wt% of triethanolamine to obtain second microcapsule phase change material raw pulp;
step four: and performing suction filtration and drying on the primary phase change material pulp of the second microcapsule to obtain the composite phase change material of the second microcapsule, wherein the phase change material of the second microcapsule takes hexadecane and black scales as a core and urea formaldehyde as a shell, and the mass ratio of the core to the shell is 7:3;
step five: dissolving 2-5 parts of surfactant in 400-800 parts of deionized water, adding 20-40 parts of the second microcapsule composite phase change material, and stirring to obtain the second microcapsule phase change material slurry.
5. The composite floor panel of claim 1,
the composite floor body (1) further comprises a tongue-and-groove (2011) and a tongue (2012);
the tongue-and-groove (2011) is an R-shaped groove, the tongue-and-groove (2011) is arranged on one side of the composite floor body (1), the tongue-and-groove (2011) is matched with the tongue (2012), and the tongue (2012) is arranged on the other side, opposite to the tongue-and-groove (2011), of the composite floor body (1).
6. The composite floor panel of claim 1,
the buffer layer (102) is made of cork wood;
the mute layer (302) is made of cork.
7. A method for producing a composite floor according to any one of claims 1-6, characterized in that it comprises the following steps:
the method comprises the following steps: performing gum dipping treatment on the non-woven fabric, and dividing the non-woven fabric into an upper non-woven fabric layer (1012) and a lower non-woven fabric layer (3011);
step two: the printing paper is processed by melamine to form a melamine paper layer (1011);
step three: the plain color base paper is processed by melamine to form a lower melamine paper layer (3012);
step four: overlapping the unprinted side of the upper melamine paper layer (1011) with the upper non-woven fabric layer (1012), and laminating and compounding the upper melamine paper layer (1011) and the upper non-woven fabric layer (1012) through a hot pressing process to obtain a decorative layer (101);
step five: overlapping the lower non-woven fabric layer (3011) and the lower melamine paper layer (3012), and laminating and compounding the lower melamine paper layer (3012) and the lower non-woven fabric layer (3011) through a hot-pressing process to obtain a balance layer (301);
step six: superposing one side of the decorative layer (101) facing the upper non-woven fabric layer (1012) on the buffer layer (102), and laminating and compounding the decorative layer (101) and the buffer layer (102) through a hot pressing process to obtain a top material layer (10);
step seven: superposing one side of the balance layer (301) facing the lower melamine paper layer (3012) above the mute layer (302), and laminating and compounding the balance layer (301) and the mute layer (302) through a hot pressing process to obtain a base material layer (30);
step eight: superposing one side of the top material layer (10) facing the buffer layer (102) above a heat storage base material layer (20), superposing one side of the bottom material layer (30) facing the balance layer (301) below the heat storage base material layer (20), and laminating and compounding the top material layer (10), the heat storage base material layer (20) and the bottom material layer (30) through a hot pressing process to obtain a composite floor raw plate;
step nine: post-processing, namely performing post-processing on the composite floor original plate, wherein the post-processing at least comprises one of cutting processing and mortise and tenon processing;
step ten: chamfering, namely chamfering the groove tenon structure (201) of the original composite floor board after groove tenon processing;
step eleven: and sealing, namely sealing the chamfered groove tenon structure (201) to obtain the composite floor.
8. The method for producing a composite floor panel as claimed in claim 7,
the temperature of the hot pressing process in the fourth step and the temperature of the hot pressing process in the fifth step are both 140-200 ℃, and the dwell time is both 30-120 seconds.
9. Method for producing a composite floor according to claim 7,
the temperature of the hot pressing process in the sixth step, the seventh step and the eighth step is 50-90 ℃, and the pressure maintaining time is 5-15 minutes.
10. Method for producing a composite floor according to claim 7,
and adding a time effect treatment step after the hot pressing process, and naturally cooling the composite board subjected to the hot pressing process for at least 24 hours.
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