CN110978157A - Building decorative plate with air purifying and fireproof functions and manufacturing method thereof - Google Patents
Building decorative plate with air purifying and fireproof functions and manufacturing method thereof Download PDFInfo
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- CN110978157A CN110978157A CN201910993166.0A CN201910993166A CN110978157A CN 110978157 A CN110978157 A CN 110978157A CN 201910993166 A CN201910993166 A CN 201910993166A CN 110978157 A CN110978157 A CN 110978157A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
- B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
- B27D1/04—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring to produce plywood or articles made therefrom; Plywood sheets
- B27D1/08—Manufacture of shaped articles; Presses specially designed therefor
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27D—WORKING VENEER OR PLYWOOD
- B27D1/00—Joining wood veneer with any material; Forming articles thereby; Preparatory processing of surfaces to be joined, e.g. scoring
- B27D1/10—Butting blanks of veneer; Joining same along edges; Preparatory processing of edges, e.g. cutting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/02—Processes; Apparatus
- B27K3/08—Impregnating by pressure, e.g. vacuum impregnation
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/16—Inorganic impregnating agents
- B27K3/20—Compounds of alkali metals or ammonium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/34—Organic impregnating agents
- B27K3/343—Heterocyclic compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/34—Organic impregnating agents
- B27K3/36—Aliphatic compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/34—Organic impregnating agents
- B27K3/38—Aromatic compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K3/00—Impregnating wood, e.g. impregnation pretreatment, for example puncturing; Wood impregnation aids not directly involved in the impregnation process
- B27K3/52—Impregnating agents containing mixtures of inorganic and organic compounds
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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
- B27M1/06—Working of wood not provided for in subclasses B27B - B27L, e.g. by stretching by burning or charring, e.g. cutting with hot wire
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B21/00—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board
- B32B21/13—Layered products comprising a layer of wood, e.g. wood board, veneer, wood particle board all layers being exclusively wood
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K2240/00—Purpose of the treatment
- B27K2240/20—Removing fungi, molds or insects
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27K—PROCESSES, APPARATUS OR SELECTION OF SUBSTANCES FOR IMPREGNATING, STAINING, DYEING, BLEACHING OF WOOD OR SIMILAR MATERIALS, OR TREATING OF WOOD OR SIMILAR MATERIALS WITH PERMEANT LIQUIDS, NOT OTHERWISE PROVIDED FOR; CHEMICAL OR PHYSICAL TREATMENT OF CORK, CANE, REED, STRAW OR SIMILAR MATERIALS
- B27K2240/00—Purpose of the treatment
- B27K2240/30—Fireproofing
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B2307/00—Properties of the layers or laminate
- B32B2307/30—Properties of the layers or laminate having particular thermal properties
- B32B2307/306—Resistant to heat
- B32B2307/3065—Flame resistant or retardant, fire resistant or retardant
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Chemical And Physical Treatments For Wood And The Like (AREA)
Abstract
The invention provides a building decorative board with air purification and fire prevention functions and a manufacturing method thereof, wherein the building decorative board comprises a solid wood board and an additive, and the additive comprises the following components in parts by weight: 60-70 parts of thermosetting resin glue solution, 6-10 parts of nano titanium dioxide, 22-32 parts of diatomite, 5-8 parts of fireproof flame retardant and 7-10 parts of sodium carbonate, firstly deeply carbonizing solid wood into the solid wood board, then permeating an additive into the carbonized solid wood board, and finally carrying out hot pressing to obtain a finished product solid wood board. The finished solid wood board prepared by the method can effectively degrade toxic and harmful gases in the air and kill various bacteria, has the functions of removing formaldehyde, deodorizing, resisting pollution, purifying air and the like, has a certain fireproof function, and improves the safety coefficient in a building.
Description
Technical Field
The invention relates to the technical field of building decorative material plates, in particular to a building decorative plate with air purification and fire prevention functions and a manufacturing method thereof.
Background
With the improvement of living standard and the enhancement of health and environmental protection consciousness of people, higher requirements are put forward on the selection and use of materials for home decoration. How to meet the use requirements of people on indoor decoration materials of increasingly competitive furniture becomes a priority for various manufacturers.
With more and more attention on health of people today, the green ecological building materials become the key direction of new material research in the increasingly serious social pollution and the increasingly worsened living environment of people. The green ecological building materials refer to those materials with good service performance and excellent environmental harmony.
The air purifying gas product widely promoted at present has the main body which adopts the electric excitation principle to generate negative oxygen ions, the energy consumption is very large, in addition, ozone harmful to human bodies is generated, and the purifying effect of formaldehyde and PM2.5 of the product can hardly reach more than 75 percent of the national standard. And the existing common building decorative plate has lower burning point, and has huge fire hazard in high-rise buildings.
Disclosure of Invention
The invention aims to provide a building decorative plate with air purification and fire prevention functions and a manufacturing method thereof.
The embodiment provides a building decorative board with air purification and fire prevention functions, which comprises a solid wood board and an additive, wherein the additive comprises the following components in parts by weight: 60-70 parts of thermosetting resin glue solution, 6-10 parts of nano titanium dioxide, 22-32 parts of diatomite, 5-8 parts of fireproof flame retardant and 7-10 parts of sodium carbonate.
Further, the solid wood board is a carbonized solid wood board.
Further, the fireproof flame retardant is a water-soluble flame retardant.
Further, the crystal structure of the nano titanium dioxide is rutile type with the diameter less than 100 nanometers.
Further, the fineness of the diatomite is 800 meshes.
Further, the thermosetting resin glue solution is melamine resin glue solution, phenolic resin glue solution or urea resin glue solution.
The embodiment provides a manufacturing method of a building decorative plate with air purification and fire prevention functions, which comprises the following steps:
s1, preparing a solid wood board: firstly, sawing or rotary-cutting a solid wood, then placing the solid wood into a carbonization tank for deep carbonization for 24-48 h, and then removing dust or polishing carbonized battens or rotary-cut veneers;
s2, preparing an additive: uniformly mixing the following components in parts by weight: 60-70 parts of thermosetting resin glue solution, 6-10 parts of nano titanium dioxide, 22-32 parts of diatomite, 5-8 parts of fireproof flame retardant and 7-10 parts of sodium carbonate;
s3, mixed infiltration: placing the solid wood board prepared by the S1 into a vacuum positive and negative pressure tank, firstly extracting 40-60% of air in the vacuum positive and negative pressure tank, then injecting the additive into the vacuum positive and negative pressure tank, continuously extracting the air in the vacuum positive and negative pressure tank while injecting the additive until the additive submerges the solid wood board, stopping extracting the additive until the additive submerges the solid wood board, then starting to continuously perform negative pressure in the vacuum positive and negative pressure tank for 8-20 h, then injecting air into the vacuum positive and negative pressure tank to recover the standard atmospheric pressure and keep the standard atmospheric pressure for 1-2 h, and taking out the solid wood board after completing mixing and permeation;
s4, preparing a finished product: splicing or overlapping the solid wood boards after being mixed and permeated with the additive in the S3, and then carrying out hot pressing to obtain the finished solid wood boards.
Further, in S2, the temperature is 50-90 degrees when the additive is prepared; and S3, in the continuous negative pressure mixing and permeating process, the temperature in the vacuum positive and negative pressure tank is 30-50 degrees, and in the standard atmospheric pressure process, the temperature in the vacuum positive and negative pressure tank is room temperature.
Further, in the process of mixing and permeating in S3, the rotating speed of the vacuum positive and negative pressure tank is 200-250 r/min at the time of the former 1/3, the rotating speed of the vacuum positive and negative pressure tank is 280-320 r/min at the time of the middle 1/3, and the rotating speed of the vacuum positive and negative pressure tank is 50-120 r/min at the time of the latter 1/3.
The invention has the beneficial effects that: the diatomite has the advantages of large porosity, strong absorptivity and the like, and has the functions of dehumidification, deodorization, sound insulation and the like. The nano titanium dioxide has strong photocatalytic performance, good weather resistance and adhesiveness, and generates strong catalytic degradation function under the action of ultraviolet light and visible light: can effectively degrade toxic and harmful gases in the air; can effectively kill various bacteria and decompose and harmlessly treat toxins released by bacteria or fungi; meanwhile, the composite material also has the functions of removing formaldehyde, deodorizing, resisting pollution, purifying air and the like. The thermosetting resin glue solution has an adhesive effect, and has a waterproof function after being cured.
In the invention, the diatomite is used as an adsorbent, the nano titanium dioxide, the thermosetting resin glue solution, the fireproof flame retardant and the like can be adsorbed and filled in the interior and the exterior of the solid wood board, so that the combustion point of the solid wood board is increased, the solid wood board has the functions of dehumidification, deodorization, sound insulation and the like of the diatomite, and the solid wood board also has the photocatalytic performance under the condition of illumination.
The substrate layer of current multilayer wood composite sheet is formed by the coincide of multilayer veneer, and all need the rubber coating between the layer of veneer, needs increase thickening agents such as flour, calcium powder in the glue, can appear delaminating, problem such as live worm in the use, need carry out banding and surface decoration processing or increase the decorative layer when being used for making furniture with it in addition. The board manufactured by the invention is adhered and permeated with thermosetting resin glue solution inside and outside, and glue solution does not need to be coated between boards or strips when hot pressing is carried out after splicing or overlapping, so that the process is simplified, and the problems of delamination, insect growth and the like can be effectively prevented. Meanwhile, operations such as carving and the like can be directly carried out on the surface without arranging a decorative layer.
And the sodium carbonate can change the performance of the diatomite, and the hole structure of the diatomite modified by the sodium carbonate is solidified, so that the hole structure is stable and is not easy to change in the using process, thereby effectively preventing the finished product of the diatomite from cracking in the using process and prolonging the service cycle.
Drawings
Fig. 1 is a step diagram of a method for manufacturing a building decorative panel having air-purifying and fire-preventing functions according to the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, embodiments of the present invention will be further described with reference to the accompanying drawings.
The invention provides a building decorative board with air purification and fire prevention functions, which comprises a solid wood board and an additive, wherein the additive comprises the following components in parts by weight: 60-70 parts of thermosetting resin glue solution, 6-10 parts of nano titanium dioxide, 22-32 parts of diatomite, 5-8 parts of fireproof flame retardant and 7-10 parts of sodium carbonate.
The thermosetting resin glue solution is melamine resin glue solution, phenolic resin glue solution or urea resin glue solution, has an adhesion effect, and has a waterproof function after being cured.
The nano titanium dioxide is a photo-semiconductor material with a photocatalytic function, preferably, in the embodiment, the crystal structure of the nano titanium dioxide is a rutile type with the diameter smaller than 100 nanometers, the particle is small, the nano titanium dioxide has very strong photocatalytic performance, the weather resistance and the adhesiveness are also good, the nano titanium dioxide is convenient to attach and permeate into the interior and the exterior of a solid wood board, and the nano titanium dioxide has a strong catalytic degradation function under the action of ultraviolet light and visible light: can effectively degrade toxic and harmful gases in the air; can effectively kill various bacteria and decompose and harmlessly treat toxins released by bacteria or fungi; meanwhile, the composite material also has the functions of removing formaldehyde, deodorizing, resisting pollution, purifying air and the like. The thermosetting resin glue solution has an adhesive effect, and has a waterproof function after being cured.
Under the condition of no serious environmental pollution, the nano titanium dioxide can not change and lose, can continuously purify pollutants under the irradiation of light, and has the advantages of lasting time and lasting effect. In the finished product manufactured by the manufacturing method, the nano titanium dioxide is not only adhered to the surface of the plate but also permeates into the content of the plate, so that when the surface of the finished product is scraped or collided, the finished product still does not need to be worried about losing the photocatalytic efficacy or weakening the photocatalytic efficacy.
The fire-retardant is a conventional fire retardant, and in this embodiment, a water-soluble fire retardant which is easily soluble in water is preferred.
The diatomite has the advantages of large porosity, strong absorptivity and the like, and has the functions of dehumidification, deodorization, sound insulation and the like.
In order to ensure that the additive is not only attached to the surface of the solid wood board but also needs to be sunk and softened into the solid wood board, the solid wood board is a deep carbonized solid wood board, the moisture in the wood fibers in the deep carbonized solid wood board is evaporated, the starch and sugar contained in the wood fibers are decomposed and are taken out by steam, therefore, the gaps among the wood fibers in the carbonized solid wood board are large, the penetration of the additive is facilitated, the internal stress of the wood is eliminated in the carbonization process, and the natural texture of the wood is kept. In the process of combining the solid wood board and the additive, the thermosetting resin glue solution, the nano titanium dioxide, the fireproof flame retardant and the like which are not absorbed by the diatomite can permeate into the gaps of the solid wood board, the diatomite which absorbs the thermosetting resin glue solution, the nano titanium dioxide, the fireproof flame retardant and the like and the diatomite which does not absorb or incompletely absorbs the thermosetting resin glue solution, the nano titanium dioxide, the fireproof flame retardant and the like can also permeate into the gaps of the solid wood board, and the additive is uniformly filled in the gaps of the solid wood board, so that the strength of the finished solid wood board is increased, the finished solid wood board has the effects of dehumidifying, deodorizing, insulating sound and the like of the diatomite due to the fact that the finished solid wood board and the additive are fused into a whole, has the photocatalysis effect of the nano titanium dioxide, and has the adhesion and moisture-proof effects of the thermosetting resin glue solution, under the effect of the fireproof flame retardant, the solid wood board finished product has a certain fireproof effect, so that the safety factor of fire is improved.
In order to enable the diatomite to better adsorb the thermosetting resin glue solution, the nano titanium dioxide and the fireproof flame retardant and also enable the diatomite to be better adsorbed by the gaps of the solid wood board, the fineness of the diatomite is preferably 800 meshes, but not limited thereto.
The sodium carbonate has the effect of changing the performance of the diatomite, and the diatomite modified by the sodium carbonate has a stable hole structure and is not easy to change in the using process after being solidified in a hole framework, so that cracks can be effectively prevented from occurring in the using process of the finished product, and the service cycle is prolonged.
The invention provides a method for manufacturing a building decorative plate with air purification and fire prevention functions, which comprises the following steps:
s1, preparing a solid wood board: firstly, sawing or rotary-cutting the solid wood, then placing the solid wood into a carbonization tank for deep carbonization for 24-48 h, and then removing dust or polishing the carbonized battens or rotary-cut veneers.
In the process of high-temperature carbonization of the solid wood, moisture among the wood fibers in the solid wood is evaporated, and starch and sugar contained in the wood fibers are decomposed and carried out by steam, so that gaps among the wood fibers in the carbonized solid wood skin are large, the penetration of additives is facilitated, the internal stress of the wood is eliminated in the carbonization process, and the natural texture of the wood is reserved.
S2, preparing an additive: uniformly mixing the following components in parts by weight: 60-70 parts of thermosetting resin glue solution, 6-10 parts of nano titanium dioxide, 22-32 parts of diatomite, 5-8 parts of fireproof flame retardant and 7-10 parts of sodium carbonate.
The common diatomite has a plurality of problems in the using process, for example, due to the structural problem of the diatomite, although the diatomite can absorb and decompose the dirt such as formaldehyde, dust and the like in the air, the diatomite has weak stain resistance and is easy to stain, and due to the existence of the surface porous structure, when some stains with strong permeability, especially liquid stains are encountered, irreversible stains can be left on the wall due to the deep penetration, so the direct cleaning with wet cloth is difficult.
In the additive, part of thermosetting resin glue solution, nano titanium dioxide and fireproof flame retardant are absorbed by diatomite, so that the overall adsorption capacity of the diatomite is reduced, the capacity of adsorbing particulate matters or macromolecular matters is reduced, the diatomite cannot be easily polluted in the use process of a finished product, and the smoothness of the surface of the finished product is improved due to the fact that gaps are filled, and the diatomite is convenient to decontaminate in a wiping mode.
In S2, the temperature is 50-90 degrees when the additive is prepared, so that the mixing speed is increased.
S3, mixed infiltration: and (2) placing the solid wood board prepared in the S1 into a vacuum positive and negative pressure tank, firstly extracting 40-60% of air in the vacuum positive and negative pressure tank, then injecting the additive into the vacuum positive and negative pressure tank, continuously extracting the air in the vacuum positive and negative pressure tank while injecting the additive until the additive submerges the solid wood board, stopping extracting the additive until the additive submerges the solid wood board, then starting to continuously perform negative pressure in the vacuum positive and negative pressure tank for 8-20 h, then injecting air into the vacuum positive and negative pressure tank to recover the standard atmospheric pressure and keep the standard atmospheric pressure for 1-2 h, and taking out the solid wood board after the mixed permeation is completed.
And S3, in the continuous negative pressure mixing and permeating process, the temperature in the vacuum positive and negative pressure tank is 30-50 degrees, and in the standard atmospheric pressure process, the temperature in the vacuum positive and negative pressure tank is room temperature. In the process of mixing and permeating in S3, the rotating speed of the vacuum positive and negative pressure tank is 200-250 r/min at the time of 1/3, the rotating speed of the vacuum positive and negative pressure tank is 280-320 r/min at the time of 1/3, and the rotating speed of the vacuum positive and negative pressure tank is 50-120 r/min at the time of 1/3.
After the mixing and infiltration are completed, gaps of the solid wood board are filled with diatomite, thermosetting resin glue solution which is not absorbed by the diatomite, nano titanium dioxide, a fireproof flame retardant and the like, and meanwhile, part of the diatomite, the thermosetting resin glue solution, the nano titanium dioxide, the fireproof flame retardant and the like are attached to the surface of the solid wood board.
S4, preparing a finished product: splicing or overlapping the solid wood boards after being mixed and permeated with the additive in the S3, and then carrying out hot pressing to obtain the finished solid wood boards.
The substrate layer of current multilayer wood composite sheet is formed by the coincide of multilayer veneer, and all need the rubber coating between the layer of veneer, needs increase thickening agents such as flour, calcium powder in the glue, can appear delaminating, problem such as live worm in the use, need carry out banding and surface decoration processing or increase the decorative layer when being used for making furniture with it in addition. The board manufactured by the invention is adhered and permeated with thermosetting resin glue solution inside and outside, and glue solution does not need to be coated between boards or strips when hot pressing is carried out after splicing or overlapping, so that the process is simplified, and the problems of delamination, insect growth and the like can be effectively prevented. Meanwhile, operations such as carving and the like can be directly carried out on the surface without arranging a decorative layer.
The features of the embodiments and embodiments described herein above may be combined with each other without conflict.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (9)
1. The utility model provides a building decorative panel with air-purifying and fire prevention function which characterized in that: the wood board comprises a solid wood board and an additive, wherein the additive comprises the following components in parts by weight: 60-70 parts of thermosetting resin glue solution, 6-10 parts of nano titanium dioxide, 22-32 parts of diatomite, 5-8 parts of fireproof flame retardant and 7-10 parts of sodium carbonate.
2. The building decorative panel with air-purifying and fire-preventing functions as claimed in claim 1, wherein: the solid wood board is a carbonized solid wood board.
3. The building decorative panel with air-purifying and fire-preventing functions of claim 1, wherein: the fireproof flame retardant is a water-soluble flame retardant.
4. The building decorative panel with air-purifying and fire-preventing functions of claim 1, wherein: the crystal structure of the nano titanium dioxide is rutile type with the diameter less than 100 nanometers.
5. The building decorative panel with air-purifying and fire-preventing functions of claim 1, wherein: the fineness of the diatomite is 800 meshes.
6. The building decorative panel with air-purifying and fire-preventing functions of claim 1, wherein: the thermosetting resin glue solution is melamine resin glue solution, phenolic resin glue solution or urea resin glue solution.
7. A manufacturing method of a building decorative plate with air purification and fire prevention functions is characterized by comprising the following steps:
s1, preparing a solid wood board: firstly, sawing or rotary-cutting a solid wood, then placing the solid wood into a carbonization tank for deep carbonization for 24-48 h, and then removing dust or polishing carbonized battens or rotary-cut veneers;
s2, preparing an additive: uniformly mixing the following components in parts by weight: 60-70 parts of thermosetting resin glue solution, 6-10 parts of nano titanium dioxide, 22-32 parts of diatomite, 5-8 parts of fireproof flame retardant and 7-10 parts of sodium carbonate;
s3, mixed infiltration: placing the solid wood board prepared by the S1 into a vacuum positive and negative pressure tank, firstly extracting 40-60% of air in the vacuum positive and negative pressure tank, then injecting the additive into the vacuum positive and negative pressure tank, continuously extracting the air in the vacuum positive and negative pressure tank while injecting the additive until the additive submerges the solid wood board, stopping extracting the additive until the additive submerges the solid wood board, then starting to continuously perform negative pressure in the vacuum positive and negative pressure tank for 8-20 h, then injecting air into the vacuum positive and negative pressure tank to recover the standard atmospheric pressure and keep the standard atmospheric pressure for 1-2 h, and taking out the solid wood board after completing mixing and permeation;
s4, preparing a finished product: splicing or overlapping the solid wood boards after being mixed and permeated with the additive in the S3, and then carrying out hot pressing to obtain the finished solid wood boards.
8. The method for manufacturing a building decorative panel with air-purifying and fire-proof functions as claimed in claim 1, wherein: in S2, the temperature is 50-90 degrees when the additive is prepared; and S3, in the continuous negative pressure mixing and permeating process, the temperature in the vacuum positive and negative pressure tank is 30-50 degrees, and in the standard atmospheric pressure process, the temperature in the vacuum positive and negative pressure tank is room temperature.
9. The method for manufacturing a building decorative panel with air-purifying and fire-proof functions as claimed in claim 1, wherein: in the process of mixing and permeating in S3, the rotating speed of the vacuum positive and negative pressure tank is 200-250 r/min at the time of 1/3, the rotating speed of the vacuum positive and negative pressure tank is 280-320 r/min at the time of 1/3, and the rotating speed of the vacuum positive and negative pressure tank is 50-120 r/min at the time of 1/3.
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Cited By (1)
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| CN114516100A (en) * | 2022-02-15 | 2022-05-20 | 江山花木匠家居有限公司 | Flame-retardant plywood and preparation method thereof |
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