A thermal resistance optimized heat insulation integrated wall panel structure and its production process

By preparing polystyrene insulation boards, vacuum insulation boards, aerogel and silicate boards, the problems of poor wall panel performance and poor insulation effect are solved, and more efficient insulation performance and more stable walls are achieved Board structure.

CN118288659BActive Publication Date: 2025-01-17YUNNAN SOLID BUILDING MATERIAL LIMITED
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Patent Information

Application Number
CN202410560255.7
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2024-05-08
Publication Date
2025-01-17
Estimated Expiration
2044-05-08

AI Technical Summary

Technical Problem

The prior art cannot effectively prepare polystyrene insulation boards, vacuum insulation boards of insulation materials, aerogels and silicate boards, resulting in poor wall panel performance and poor thermal insulation effect.

Method used

Polystyrene insulation boards are prepared using polystyrene, gypsum powder and fiber reinforced materials, and the formation is made by high-temperature water vapor foaming; vacuum insulation boards are prepared by material selection and packaging treatment; aerogels are prepared by sol-gel process; quartz sand, lime and Additives prepare silicate sheets, and combine nano-silicon dioxide and carbon fiber cloth to improve thermal insulation performance.

Benefits of technology

The preparation of polystyrene insulation board is realized, which enhances the thermal insulation performance; the preparation of vacuum insulation board is improved, and the preparation of aerogel provides excellent thermal insulation function; the preparation of silicate plates is improved The thermal insulation and waterproofing function solve the performance problems of wall panels in high temperature and high humidity environments.

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Abstract

The present invention discloses a thermal resistance optimized heat insulation integrated wallboard structure and its production process, which relates to the technical field of wallboards, including the preparation of heat insulation materials, wherein the heat insulation materials include polystyrene insulation boards, vacuum insulation boards, aerogels and silicate boards, wherein the polystyrene insulation boards and aerogels constitute heat insulation layers, and the preparation of the polystyrene insulation boards includes the following steps: material selection, foaming treatment, mixing and stirring, and solidification molding. The present invention achieves stable indoor temperature and reduced indoor and outdoor heat exchange by designing the preparation of heat insulation materials, solves the problem of energy waste of heat insulation wallboards, and improves living comfort.
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Description

Technical Field

[0001] The invention relates to the technical field of wall panels, and in particular to a thermal resistance optimized heat insulation integrated wall panel structure and a production process thereof. Background Art

[0002] With the continuous development of the construction industry, the demand for wallboard market is also changing. Traditional wallboard technology has problems such as poor performance and poor thermal insulation, which cannot meet the needs of modern wallboard technology development. With the progress of industry and the development of society, people have higher and higher requirements for wallboard technology, hoping to achieve the diversification of wallboard structure and its production process through advanced technical means, improve user comfort and create a comfortable indoor environment.

[0003] Therefore, it is very necessary for the present application to propose a thermal resistance optimized heat insulation integrated wall panel structure and its production process to solve the problems existing in the prior art.

[0004] 1. Patent document CN113718989B discloses a lightweight composite building wall panel with a fastening structure and its production process. The above patent realizes that the panel and the side sealing plate are connected to form the appearance of the entire composite building wall panel. The filling layer serves as the internal filler of the composite building wall panel, and the skeleton is used to support the strength of the filling layer. The strength and toughness of the filling layer supported by the skeleton are guaranteed. At the same time, the filling layer as the internal filler of the composite building wall panel is relatively light in overall weight. Adhesive is used to connect the filling layer, the skeleton and the composite building wall panel composed of the panel and the side sealing plate. However, the above patent cannot realize the preparation of polystyrene insulation board.

[0005] 2. Patent document CN112761321B discloses an environmentally friendly wood-plastic wall panel and its production process. The above patent realizes that the wood-plastic wall panel includes a main wall panel and an auxiliary wall panel. The main wall panel is a multi-layer composite board with a waterproof and wear-resistant layer, a flame retardant and anti-cracking layer, and a substrate layer from top to bottom. The waterproof and wear-resistant layer, the flame retardant and anti-cracking layer, and the substrate layer are all provided with convex strips around the sides. An insulation layer is also provided between the waterproof and wear-resistant layer and the flame retardant and anti-cracking layer, and a reinforcement layer is also provided between the flame retardant and anti-cracking layer and the substrate layer. However, the above patent cannot realize the preparation of a vacuum insulation board of an insulation material.

[0006] 3. Patent document CN103469962B discloses a prefabricated wall panel that can effectively prevent cracking and its anti-cracking construction method. The above patent realizes the fixed setting of tension springs at the end openings of the prefabricated wall panel. The elastic tension and energy reserve of the tension springs of two adjacent and identical prefabricated wall panels after being locked can reduce and resist the influence of external forces or climate factors on the joints of the prefabricated wall panels, so that the prefabricated wall panels can withstand greater stress and deformation, and reduce the cracking probability of the joints. The prefabricated wall panel of the present invention has a simple structure, is easy to install, and is convenient for factory-based mass production; the anti-cracking construction method has a simple process and an obvious anti-cracking effect, which can effectively reduce the workload on site, but the above patent cannot realize the preparation of aerogel, a thermal insulation material.

[0007] 4. Patent document CN109049294B discloses a precast concrete wall panel and its production process. The above patent realizes that both sides of the insulation board are fixed with connecting parts, and the connecting parts on both sides of the insulation board are respectively cast and fixed in the inner wall panel and the outer wall panel; the connecting parts include a pad, connecting ribs and reinforcing ribs; embedded components are also fixed in the precast concrete wall panel, and the embedded components include embedded sleeves and inner embedded parts; at the same time, the present invention also discloses a production process for precast concrete wall panels, including mold cleaning, mold assembly, applying release agent, installing embedded components, casting inner wall panels, laying insulation boards and casting outer wall panels, but the above patent cannot realize the preparation of silicate boards of thermal insulation materials.

[0008] In summary, the above patents cannot realize the preparation of polystyrene insulation boards, the preparation of insulation material vacuum insulation boards, the preparation of insulation material aerogels and the preparation of insulation material silicate boards, which leads to the problem of poor performance of wall panels and poor thermal insulation effects in daily life;

[0009] To this end, the present application proposes a thermal resistance optimized insulation integrated wall panel structure and its production process which can realize the preparation of polystyrene insulation boards, the preparation of insulation material vacuum insulation panels, the preparation of insulation material aerogels and the preparation of insulation material silicate boards, meet the user's temperature requirements and reduce energy consumption, and improve insulation efficiency. Summary of the invention

[0010] The object of the present invention is to provide a thermal resistance optimized thermal insulation integrated wall panel structure and its production process, so as to solve the technical problems proposed in the above background technology that it is impossible to prepare polystyrene insulation boards, prepare thermal insulation material vacuum insulation boards, prepare thermal insulation material aerogels and prepare thermal insulation material silicate boards, resulting in poor performance of wall panels and poor thermal insulation effects in daily life.

[0011] To achieve the above object, the present invention provides the following technical solution: a production process of a thermal resistance optimized heat-insulating integrated wallboard, comprising the preparation of a heat-insulating material, wherein the heat-insulating material comprises a polystyrene insulation board, a vacuum insulation board, an aerogel and a silicate board, wherein the polystyrene insulation board and the aerogel constitute a heat-insulating layer, and the preparation of the polystyrene insulation board comprises the following steps:

[0012] Material selection: Choose polystyrene, gypsum powder and fiber-reinforced materials as insulation materials;

[0013] Foaming treatment: polystyrene is foamed and formed by high-temperature steam to increase the porosity;

[0014] Mixing: Mix gypsum powder with polystyrene and fiber reinforcement in a ratio of 1:1:1;

[0015] Solidification molding: Pour the mixed material into the production mold and solidify the material by heating to form a polystyrene insulation board.

[0016] Preferably, the preparation of the thermal insulation material vacuum insulation panel comprises the following steps:

[0017] Material selection: Choose the appropriate core material and barrier film material;

[0018] Core material treatment: Dry the core material;

[0019] Encapsulation: The core material is placed in a barrier film for encapsulation to form a basic sheet structure;

[0020] Vacuuming: Use vacuum equipment to vacuum the packaged plates to reduce heat conduction;

[0021] Sealing: Ensure the sealing performance of the vacuum insulation panel to prevent air from entering.

[0022] Preferably, the thermal insulation material also includes aerogel, and the preparation of the aerogel includes the following steps:

[0023] Sol-gel process: The silicon source is formed into a sol in a solvent and converted into a gel through a chemical reaction;

[0024] Aging: The gel ages over a period of time, making the structure more stable;

[0025] Solvent replacement: Soak the aged gel in ethanol to replace the original solvent in the gel;

[0026] Supercritical drying: Drying is carried out under high temperature and high pressure to prevent the gel from collapsing during the drying process.

[0027] Preferably, the thermal insulation material also includes a silicate plate, and the preparation of the silicate plate includes the following steps:

[0028] Raw material preparation: prepare quartz sand as silicon material, lime as calcium material and appropriate amount of additives;

[0029] Mixing and stirring: Mix quartz sand, lime and additives in a ratio of 1:1:1 and stir them thoroughly;

[0030] Casting: pour the mixed slurry into the mold;

[0031] Drying treatment: Dry the board to meet the required silicate board requirements.

[0032] Preferably, the polystyrene is added with nano-silicon dioxide during the foaming process to increase the thermal insulation, and the following steps are used to add nano-silicon dioxide during the foaming process:

[0033] Pretreatment: Disperse the nano-silica to make it easier to mix with polystyrene;

[0034] Mixing: fully mix the pretreated nano-silica with polystyrene;

[0035] Foaming process: The foaming process is followed to make the nano-silicon dioxide evenly distributed in the foamed polystyrene.

[0036] Preferably, the vacuum insulation panel and the carbon fiber cloth constitute a structural layer, and the preparation of the carbon fiber cloth comprises the following steps:

[0037] Preparation of raw silk: polyacrylonitrile (PAN) fiber and asphalt fiber are used as raw materials;

[0038] Pre-oxidation treatment: Pre-oxidation treatment of polyacrylonitrile (PAN) fiber and asphalt fiber at 300℃-400℃ to make the material heat-resistant;

[0039] Carbonization treatment: further carbonize the high-temperature pre-oxidized carbon fibers to form carbon fibers;

[0040] Surface treatment: Treat the surface of carbon fiber to improve the bonding performance with the wallboard;

[0041] Woven into cloth: The carbon fibers are woven into a cloth-like structure.

[0042] Preferably, the thermal insulation material silicate plate and aerogel constitute the flame retardant material of the protective layer, and the preparation of the flame retardant material of the protective layer includes the following steps:

[0043] Material selection: Silicate sheets and aerogels are selected as the basic materials;

[0044] Pretreatment: Mix the silicate sheet and aerogel in a ratio of 1:1;

[0045] Mixing: Pour the mixed flame retardant material into a mold for heating to solidify the mixed material into shape.

[0046] Preferably, the protective layer of the thermal insulation integrated wallboard further comprises the preparation of a polyurethane waterproof coating, and the preparation of the waterproof coating comprises the following steps:

[0047] Synthesis of prepolymer: react polyether polyol, polyester polyol and isocyanate under certain conditions to generate prepolymer;

[0048] Chain extension reaction: adding chain extender to further react with prepolymer to increase molecular weight;

[0049] Adding additives: Add defoamers and leveling agents to eliminate foam and make the material smooth and flat;

[0050] Mix evenly: Mix the materials evenly to obtain the polyurethane waterproof coating.

[0051] Preferably, the outer layer of the thermal insulation integrated wall panel has a protective layer, the structural layer as the main load-bearing part of the thermal insulation integrated wall panel is in the innermost layer, the thermal insulation layer is located between the structural layer and the protective layer, the polystyrene insulation board and the aerogel constitute the thermal insulation layer, the vacuum insulation board and the carbon fiber cloth constitute the structural layer, the silicate board and the aerogel are mixed as a flame retardant material, and constitute the protective layer with the polyurethane waterproof coating.

[0052] Preferably, the polystyrene insulation board is bonded to the aerogel by an adhesive, the carbon fiber cloth is fixed to the vacuum insulation board by screws, and the polyurethane waterproof coating is evenly applied to the outer layer of the thermal insulation integrated wallboard.

[0053] Compared with the prior art, the present invention has the following beneficial effects:

[0054] 1. The present invention achieves the stabilization of indoor temperature and the reduction of indoor and outdoor heat exchange by designing the preparation of polystyrene insulation boards, thereby enhancing the thermal insulation efficiency of wallboards, solving the problem of high cost of thermal insulation wallboards, and improving living comfort;

[0055] 2. The present invention realizes the functions of super-strong heat preservation and environmental improvement by designing the preparation of the heat insulation material vacuum insulation board, solves the problem of energy waste of the wallboard, reduces the energy consumption of the wallboard, reduces the environmental pollution caused by energy consumption, and improves the stability of the wallboard;

[0056] 3. The present invention achieves excellent thermal insulation function by designing the preparation of thermal insulation material aerogel, effectively preventing heat transfer, solving the weight problem of thermal insulation wallboard and the problem of easy loss of wallboard in high temperature environment, and improving the protection ability of thermal insulation wallboard in high temperature environment;

[0057] 4. The present invention achieves good thermal insulation performance and waterproof function by designing the preparation of the thermal insulation material silicate board, solves the problem of deformation of the thermal insulation wallboard in a high humidity environment, and improves the protective function of the thermal insulation wallboard in a high humidity environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0058] Figure 1 It is a schematic diagram of the preparation of the polystyrene insulation board of the present invention;

[0059] Figure 2 It is a schematic diagram of preparing the vacuum insulation panel of the heat insulation material of the present invention;

[0060] Figure 3 Schematic diagram of the preparation of the thermal insulation material aerogel of the present invention;

[0061] Figure 4 It is a schematic diagram of the preparation of the silicate board material of the thermal insulation material of the present invention;

[0062] Figure 5 Schematic diagram of the preparation of the structural layer carbon fiber cloth of the present invention;

[0063] Figure 6 The schematic diagram of the preparation of the protective layer polyurethane waterproof coating of the present invention;

[0064] Figure 7 It is a structural schematic diagram of the wall panel of the present invention;

[0065] Figure 8 It is a schematic diagram of the preparation of the glass wool board of the present invention. DETAILED DESCRIPTION

[0066] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0067] Example 1

[0068] See also Figure 1 The present invention provides an embodiment: a production process of a thermal resistance optimized heat insulation integrated wallboard, including the preparation of a heat insulation material, wherein the heat insulation material includes a polystyrene insulation board, a vacuum insulation board, an aerogel and a silicate board, wherein the polystyrene insulation board and the aerogel constitute a heat insulation layer, and the preparation of the polystyrene insulation board includes the following steps:

[0069] Material selection: Choose polystyrene, gypsum powder and fiber-reinforced materials as insulation materials;

[0070] Foaming treatment: polystyrene is foamed and formed by high-temperature steam to increase the porosity;

[0071] Mixing: Mix gypsum powder with polystyrene and fiber reinforcement in a ratio of 1:1:1;

[0072] Solidification molding: Pour the mixed material into the production mold and solidify the material by heating to form a polystyrene insulation board;

[0073] Furthermore, polystyrene resin particles are mixed with gypsum powder and fiber reinforcement materials in a ratio of 1:1:1 and then heated by steam in a pre-expander to expand the polystyrene particles to form pre-foamed beads. The pre-foamed beads are left for a period of time to become stable. After stabilization, the matured beads are sent to a board forming machine, and the matured beads are bonded by heating and pressurizing to form a polystyrene insulation board. The polystyrene insulation board is cut into a suitable size according to the size of the wall panel, and the polystyrene insulation board is polished.

[0074] Example 2

[0075] See also Figure 2 The present invention provides an embodiment: a production process of a thermal resistance optimized heat insulation integrated wallboard, wherein the preparation of the heat insulation material vacuum insulation board comprises the following steps:

[0076] Material selection: Choose the appropriate core material and barrier film material;

[0077] Core material treatment: Dry the core material;

[0078] Encapsulation: The core material is placed in a barrier film for encapsulation to form a basic sheet structure;

[0079] Vacuuming: Use vacuum equipment to vacuum the packaged plates to reduce heat conduction;

[0080] Sealing: Ensure the sealing performance of the vacuum insulation panel to prevent air from entering;

[0081] Furthermore, glass fiber and metal foil are selected as the porous core material and packaging material, the core material is dried, and the core material is placed between the packaging materials to form a basic plate-like structure. The air between the packaging layers is extracted by a vacuum pump, and the vacuum degree is controlled below 5Pa to reduce heat conduction and ensure the sealing of the vacuum insulation panel. The vacuum state is maintained, and the vacuum insulation panel is quality inspected and cut.

[0082] Example 3

[0083] See also Figure 3The present invention provides an embodiment: a production process of a thermal resistance optimized heat insulation integrated wallboard, wherein the heat insulation material also includes aerogel, and the preparation of the aerogel includes the following steps:

[0084] Sol-gel process: The silicon source is formed into a sol in a solvent and converted into a gel through a chemical reaction;

[0085] Aging: The gel ages over a period of time, making the structure more stable;

[0086] Solvent replacement: Soak the aged gel in ethanol to replace the original solvent in the gel;

[0087] Supercritical drying: Drying under high temperature and high pressure to prevent the gel from collapsing during the drying process;

[0088] Further, the silicon source is dissolved in a solvent to form a uniform sol, and the silicon source undergoes a hydrolysis reaction with the solvent to produce hydroxyl groups and other active groups, which further undergo a condensation reaction. Two hydroxyl (-OH) groups can remove a water molecule to form an ether bond (-O-), thereby allowing the polymer chain to grow. In the condensation reaction, the groups are connected by removing small molecules to form a polymer network. As the condensation reaction proceeds, the polymer network gradually cross-links, and the solvent is wrapped in the network structure to form a gel. The gel is placed at a certain temperature for a period of time to further stabilize its structure. In order to perform supercritical drying, the aged gel is immersed in ethanol to displace the original solvent in the gel, and is dried under a high temperature and high pressure environment to prevent the gel from collapsing during the drying process.

[0089] Example 4

[0090] See also Figure 4 The present invention provides an embodiment: a production process of a thermal resistance optimized heat insulation integrated wallboard, wherein the heat insulation material also includes a silicate board, and the preparation of the silicate board includes the following steps:

[0091] Raw material preparation: prepare quartz sand as silicon material, lime as calcium material and appropriate amount of additives;

[0092] Mixing and stirring: Mix quartz sand, lime and additives in a ratio of 1:1:1 and stir them thoroughly;

[0093] Casting: pour the mixed slurry into the mold;

[0094] Drying treatment: Dry the board to meet the required silicate board requirements;

[0095] Furthermore, quartz sand is prepared as a silicon material, lime as a calcium material and an appropriate amount of additives, and the quartz sand, lime and additives are mixed in a ratio of 1:1:1. The materials are stirred using a turbine agitator to ensure that the materials are stirred evenly. The stirred slurry is poured into a mold, and autoclaved and cured under certain temperature and pressure conditions to solidify the board. The cured board is demolded and the board is cut using a circular saw.

[0096] Example 5

[0097] See also Figure 5 The present invention provides an embodiment: a production process of a thermal resistance optimized heat insulation integrated wallboard, wherein the vacuum insulation panel and the carbon fiber cloth constitute a structural layer, and the preparation of the carbon fiber cloth comprises the following steps:

[0098] Preparation of raw silk: polyacrylonitrile (PAN) fiber and asphalt fiber are used as raw materials;

[0099] Pre-oxidation treatment: Pre-oxidation treatment of polyacrylonitrile (PAN) fiber and asphalt fiber at 300℃-400℃ to make the material heat-resistant;

[0100] Carbonization treatment: further carbonize the high-temperature pre-oxidized carbon fibers to form carbon fibers;

[0101] Surface treatment: Treat the surface of carbon fiber to improve the bonding performance with the wallboard;

[0102] Weaving into cloth: Weaving carbon fibers into a cloth-like structure;

[0103] Furthermore, polyacrylonitrile fiber and asphalt fiber are used as raw materials, the polyacrylonitrile fiber and asphalt fiber are cleaned and stretched to remove impurities on the surface, the polyacrylonitrile fiber and asphalt fiber are placed in a pre-oxidation furnace, gradually heated to between 300°C and 400°C, and oxygen is used as an oxidant. During the pre-oxidation process, the polyacrylonitrile fiber and asphalt fiber need to maintain a certain tension to avoid deformation and breakage. After the pre-oxidation is completed, they need to be cooled and washed to remove residual chemicals and impurities, and then the high-temperature pre-oxidized carbon fiber is further carbonized to form carbon fiber. The surface of the carbon fiber is treated to improve the bonding performance with the wall panel, and the carbon fiber yarn is woven into a cloth-like structure according to a regularity and tension to form a carbon fiber cloth.

[0104] Example 6

[0105] See also Figure 6 The present invention provides an embodiment: a production process of a thermal resistance optimized heat insulation integrated wallboard, wherein the protective layer of the heat insulation integrated wallboard further comprises the preparation of a polyurethane waterproof coating, and the preparation of the waterproof coating comprises the following steps:

[0106] Synthesis of prepolymer: react polyether polyol, polyester polyol and isocyanate under certain conditions to generate prepolymer;

[0107] Chain extension reaction: adding chain extender to further react with prepolymer to increase molecular weight;

[0108] Adding additives: Add defoamers and leveling agents to eliminate foam and make the material smooth and flat;

[0109] Mixing evenly: Mix the materials evenly to obtain the polyurethane waterproof coating;

[0110] Furthermore, the preparation mainly includes polyether polyol, polyester polyol, isocyanate, catalyst and solvent as raw materials, polyether polyol and polyester polyol are polymerized with isocyanate under certain conditions to form polyurethane prepolymer, in the polymerization reaction, the isocyanate group (-N=C=O) in the isocyanate reacts with the hydroxyl group (-OH) in the polyether polyol to form a carbamate bond (-NH-CO-O-), thereby gradually forming a high molecular polymer, adding a chain extender to further react with the prepolymer to increase the molecular weight, adding a defoamer and a leveling agent to burst the foam to ensure the flatness and smoothness of the coating surface, and passing the mixed coating through a filtering device to remove impurities and insoluble substances therein.

[0111] Example 7

[0112] See also Figure 7 , an embodiment provided by the present invention: a structure of a thermal resistance optimized heat-insulating integrated wall panel, wherein the outer layer of the heat-insulating integrated wall panel has a protective layer, the structural layer as the main load-bearing part of the heat-insulating integrated wall panel is in the innermost layer, the heat-insulating layer is located between the structural layer and the protective layer, the polystyrene insulation board and the aerogel constitute the heat-insulating layer, the vacuum insulation board and the carbon fiber cloth constitute the structural layer, the silicate board and the aerogel are mixed as a flame-retardant material, and the protective layer is formed with the polyurethane waterproof coating;

[0113] Furthermore, the structural layer as the main load-bearing part of the thermal insulation integrated wall panel is in the innermost layer, the vacuum insulation board and the carbon fiber cloth constitute the structural layer, polystyrene, gypsum powder and fiber reinforcement materials are mixed, the polystyrene insulation board and the aerogel constitute the thermal insulation layer, the silicate board and the aerogel are mixed as a flame retardant material, and the polyurethane waterproof coating constitutes a protective layer, the mixed materials are poured into a production mold, and the materials are vibrated and compacted with a vibration table to form the required structural layer, protective layer and thermal insulation layer, the structural layer and the protective layer are pasted together with an adhesive, the protective layer and the thermal insulation layer are pasted together with an adhesive, and the waterproof material polyurethane waterproof coating is applied to the outer layer of the thermal insulation integrated wall panel.

[0114] Example 8

[0115] See also Figure 8 The present invention provides an embodiment: a production process of a thermal resistance optimized heat insulation integrated wallboard, including the preparation of a heat insulation material, wherein the preparation of the heat insulation material glass wool board includes the following steps:

[0116] Raw material preparation: select suitable glass raw materials;

[0117] Melting: Put the raw materials into the furnace and melt them into glass liquid at high temperature;

[0118] Fibration: The glassy liquid is made into fibers by centrifugation;

[0119] Binder application: In order to make the fibers bond to each other, a binder needs to be applied to the fibers;

[0120] Pressing and curing: Pressing and curing the fibers into a board-like structure;

[0121] Furthermore, quartz sand and dolomite are selected as glass raw materials, put into a furnace, melt into glass liquid in a high temperature environment of 1300°C-1600°C, inject the glass liquid into a high-speed rotating centrifuge, and throw out fibers under the action of centrifugal force, immerse the glass fibers in a binder solution, fully absorb the binder, press and solidify the glass fibers into a plate-like structure to form a glass wool board, and cut the glass wool board into a required size according to the needs of the wall panel.

[0122] Example 9

[0123] See also Figure 1 and Figure 6 , an embodiment provided by the present invention: a production process of a thermal resistance optimized heat insulation integrated wallboard, the preparation of the heat insulation layer polystyrene insulation board includes selecting materials, foaming treatment, mixing and stirring, and solidification molding, and the preparation of the protective layer polyurethane waterproof coating includes synthesizing prepolymers, chain extension reaction, adding additives and mixing uniformly;

[0124] Furthermore, the mature beads are bonded by heating and pressurizing to form a polystyrene insulation board, the polystyrene insulation board is cut into a suitable size according to the size of the wall panel, the polystyrene insulation board is polished, polyether polyol and polyester polyol are polymerized with isocyanate to produce a polyurethane waterproof coating, ensuring that the surface of the polystyrene insulation board is flat and dry, and the polyurethane waterproof coating is evenly applied to the polystyrene insulation board using a roller, so that the insulation layer of the integrated insulation wall panel also has a waterproof effect.

[0125] Performance Test:

[0126] Test 1: Thermal insulation performance test: The thermal insulation materials provided in Examples 1-4 were placed under stable temperature conditions and the thermal conductivity of the thermal insulation materials was measured using a professional thermal conductivity measuring instrument;

[0127] Test 2: Compressive strength test: Samples of a certain size were cut from the thermal insulation materials of Examples 1-4 respectively, and the samples were placed on the workbench of a compressive strength testing machine. The rate of applying pressure was set, the testing machine was started, and pressure was gradually applied until the sample was destroyed, and the peak pressure data was recorded.

[0128] Table 1 Measurement results of performance test 1

[0129] Example Test Results Example 1 0.003W / (mk) Example 2 0.005W / (mk) Example 3 0.012W / (mk) Example 4 0.055W / (mk)

[0130] Table 2 Measurement results of performance test 2

[0131] Example Test Results Example 1 300kPa Example 2 3Mpa Example 3 0.6Mpa Example 4 20Mpa

[0132] Working principle: First, the structural layer is the main load-bearing part of the thermal insulation integrated wall panel in the innermost layer. The vacuum insulation board and carbon fiber cloth constitute the structural layer. Polystyrene, gypsum powder and fiber reinforcement materials are mixed. Polystyrene insulation board and aerogel constitute the insulation layer. Silicate board and aerogel are mixed as flame retardant materials, and the protective layer is formed with polyurethane waterproof coating.

[0133] Then pour the mixed material into the production mold and use a vibration table to vibrate and compact the material to form the required structural layer, protective layer and thermal insulation layer;

[0134] Finally, use adhesive to stick the structural layer and the protective layer together, use adhesive to stick the protective layer and the insulation layer together, grind the surface of the insulation wall panel to remove uneven parts, and apply the waterproof material polyurethane waterproof coating to the outer layer of the insulation integrated wall panel.

[0135] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A production process for thermal resistance optimized heat insulation integrated wallboard, characterized in that: The invention comprises the preparation of a heat-insulating material, wherein the heat-insulating material comprises a polystyrene insulation board, a vacuum insulation board, an aerogel and a silicate board, wherein the polystyrene insulation board and the aerogel constitute a heat-insulating layer, the vacuum insulation board and the carbon fiber cloth constitute a structural layer, the silicate board and the aerogel are mixed into a flame-retardant material, the flame-retardant material and the polyurethane waterproof coating constitute a protective layer, the heat-insulating layer is between the structural layer and the protective layer, and the preparation of the polystyrene insulation board comprises the following steps: Material selection: Choose polystyrene, gypsum powder and fiber-reinforced materials as insulation materials; Foaming treatment: polystyrene is foamed and formed by high-temperature steam to increase the porosity; Mixing: Mix gypsum powder with polystyrene and fiber reinforcement in a ratio of 1:1:1; Solidification molding: Pour the mixed material into the production mold and solidify the material by heating to form a polystyrene insulation board; The preparation of the aerogel comprises the following steps: Sol-gel process: The silicon source is formed into a sol in a solvent and converted into a gel through a chemical reaction; Aging: The gel ages over a period of time, making the structure more stable; Solvent replacement: Soak the aged gel in ethanol to replace the original solvent in the gel; Supercritical drying: Drying under high temperature and high pressure to prevent the gel from collapsing during the drying process; The preparation of the silicate plate comprises the following steps: Raw material preparation: prepare quartz sand as silicon material, lime as calcium material and appropriate amount of additives; Mixing and stirring: Mix quartz sand, lime and additives in a ratio of 1:1:1 and stir them thoroughly; Casting: pour the mixed slurry into the mold; Drying treatment: Dry the board to meet the required silicate board requirements; The preparation of the polyurethane waterproof coating comprises the following steps: Synthesis of prepolymer: react polyether polyol, polyester polyol and isocyanate under certain conditions to generate prepolymer; Chain extension reaction: adding chain extender to further react with prepolymer to increase molecular weight; Adding additives: Add defoamers and leveling agents to eliminate foam and make the material smooth and flat; Mixing evenly: Mix the materials evenly to obtain the polyurethane waterproof coating; The preparation of the carbon fiber cloth comprises the following steps: Preparation of raw silk: polyacrylonitrile PAN fiber and asphalt fiber are used as raw materials; Pre-oxidation treatment: Pre-oxidation treatment of polyacrylonitrile PAN fiber and asphalt fiber at 300℃-400℃ to make the material heat-resistant; Carbonization treatment: further carbonize the high-temperature pre-oxidized carbon fibers to form carbon fibers; Surface treatment: Treat the surface of carbon fiber to improve the bonding performance with the wallboard; Woven into cloth: The carbon fibers are woven into a cloth-like structure.

2. The production process of the thermal resistance optimized heat insulation integrated wallboard according to claim 1 is characterized by: The preparation of the thermal insulation material vacuum insulation panel comprises the following steps: Material selection: Select core material and barrier film material; Core material treatment: Dry the core material; Encapsulation: The core material is placed in a barrier film for encapsulation to form a basic sheet structure; Vacuuming: Use vacuum equipment to vacuum the packaged plates to reduce heat conduction; Sealing: Ensure the sealing performance of the vacuum insulation panel to prevent air from entering.

3. The production process of the thermal resistance optimized heat insulation integrated wallboard according to claim 1 is characterized by: The polystyrene can be added with nano silicon dioxide during the foaming process to increase the thermal insulation. The following steps are used to add nano silicon dioxide during the foaming process: Pretreatment: Disperse the nano-silica to make it easier to mix with polystyrene; Mixing: fully mix the pretreated nano-silica with polystyrene; Foaming process: The foaming process is followed to make the nano-silicon dioxide evenly distributed in the foamed polystyrene.

4. The structure of the thermal resistance optimized heat insulation integrated wallboard according to claim 1 is characterized in that: The polystyrene insulation board and the aerogel are bonded by an adhesive, the carbon fiber cloth is fixed on the vacuum insulation board by screws, and the polyurethane waterproof coating is evenly applied on the outer layer of the thermal insulation integrated wall panel.

Citation Information

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