Polyurethane edge-sealed glass wool board for construction

Abstract

The utility model discloses a kind of polyurethane edge sealing glass wool board for building, it is related to glass wool board technical field, including: steel plate body;Supporting assembly, it is set to the inside of steel plate body, for forming the space framework of board;Glass wool body, it is set to the inside of supporting assembly;Polyurethane edge sealing assembly, it is set to the top end and bottom end of supporting assembly.The utility model is cooperatively arranged by steel plate body, supporting assembly, glass wool body and polyurethane edge sealing assembly, not only in ensuring that polyurethane edge sealing glass wool board for building heat insulation performance, can effectively improve the overall structural strength of board, and when board splicing, the air tightness of joint is significantly enhanced, while effectively guiding and blocking water vapor intrusion, guarantee the long-term stability of heat preservation performance.

Description

Technical Field

[0001] This utility model relates to the technical field of glass wool boards, specifically to a polyurethane-sealed glass wool board for building applications. Background Technology

[0002] Glass wool, an inorganic fiber material made from molten glass through a centrifugal blowing process, is widely used in the construction industry due to its low density, low thermal conductivity, excellent thermal insulation performance, fire resistance, and good sound absorption and noise reduction capabilities. Polyurethane, a high-performance organic insulation material, not only has extremely low thermal conductivity but also excellent waterproofing, moisture resistance, sealing and bonding properties, and structural reinforcement characteristics. It is often used to construct continuous, sealed insulation layers. Combining the advantages of both materials, by wrapping or injecting polyurethane around the edges of glass wool boards to form an edge seal, creates polyurethane-sealed glass wool boards for construction. These boards are key materials for achieving building energy conservation, improving the durability and construction efficiency of building envelope systems, and playing a vital role in modern green and high-performance buildings.

[0003] However, existing polyurethane-sealed glass wool boards for construction still have significant shortcomings in structural design. First, traditional polyurethane sealing often uses a simple protrusion and groove splicing method, making it difficult to precisely control the gaps. This easily leads to tiny gaps at the joints, resulting in poor overall airtightness. This not only affects the building's energy efficiency but also provides a channel for external moisture penetration. Especially in windy, rainy, or high-humidity environments, moisture is more likely to penetrate along the board seams. Long-term accumulation can cause the internal glass wool core material to become damp or even saturated with water, thus significantly reducing its thermal insulation performance. In severe cases, it can lead to mold and corrosion, shortening its service life. Second, these boards generally lack effective internal reinforcement and support structures, relying mainly on the loose characteristics of the glass wool itself for load-bearing, resulting in insufficient overall rigidity and mechanical strength.

[0004] No effective solutions have yet been proposed to address the problems in the relevant technologies. Utility Model Content

[0005] In view of the problems in related technologies, this utility model proposes a polyurethane edge-sealed glass wool board for construction to overcome the above-mentioned technical problems existing in the existing related technologies.

[0006] Therefore, the specific technical solution adopted by this utility model is as follows: A polyurethane-sealed glass wool board for building applications includes: a steel plate body; a support assembly disposed inside the steel plate body to form a spatial skeleton for the board; a glass wool body disposed inside the support assembly; and a polyurethane sealing assembly disposed at the top and bottom ends of the support assembly.

[0007] Furthermore, to enhance the overall structural strength of the panel, a high-strength, lightweight skeleton is constructed under the action of the aluminum honeycomb panel, effectively improving the overall bending stiffness and dimensional stability of the panel. The aramid fiber felt layer provides the structure with good impact resistance, damping and shock absorption capabilities, and radial elastic adaptation space to the expansion of the glass wool body. The silica aerogel felt layer and the micro-perforated aluminum foil layer work together to enhance the heat insulation and sound insulation effect and realize internal humidity regulation, ensuring the long-term stable operation of the core material. The supporting components include aluminum honeycomb panels set inside the steel plate body, with an elastic connection layer set on the inner wall of the aluminum honeycomb panel. The elastic connection layer includes an aramid fiber felt layer set on the inner wall of the aluminum honeycomb panel, with a silica aerogel felt layer set on the inner wall of the aramid fiber felt layer, and a micro-perforated aluminum foil layer set on the inner wall of the silica aerogel felt layer and on the outer side of the glass wool body.

[0008] Furthermore, to effectively guide and block moisture intrusion, the wave-shaped fit between the U-shaped groove and the bottom U-shaped block enables rapid positioning, tight splicing, and thermal expansion and contraction displacement release between panels, significantly improving installation efficiency and joint airtightness. Simultaneously, the stepped guide channel and splicing block form a unidirectional drainage and seepage prevention structure, effectively guiding and blocking moisture intrusion. Combined with the inherent waterproof and sealing properties of polyurethane material, it comprehensively prevents moisture from entering the core material, ensuring long-lasting and stable thermal insulation performance. The polyurethane edge sealing component includes a first connecting block located at the top of the support component, with a U-shaped groove at its top and a guide channel on one side of the U-shaped groove. A second connecting block is located at the bottom of the support component, with a U-shaped block at its bottom that mates with the U-shaped groove, and a splicing block on one side of the U-shaped block that mates with the guide channel. The bottom surface of the U-shaped groove has a wave-shaped structure; the cross-section of the guide channel has a stepped structure, and the bottom height of the guide channel increases sequentially away from the support component.

[0009] The beneficial effects of this utility model are as follows: 1. This utility model, through the coordinated arrangement of the steel plate body, supporting components, glass wool body and polyurethane edge sealing components, not only ensures the thermal insulation performance of polyurethane edge-sealed glass wool boards for building construction, but also effectively improves the overall structural strength of the boards. Furthermore, when the boards are spliced, it significantly enhances the airtightness of the joints, while effectively guiding and blocking the intrusion of water vapor, ensuring the long-term stability of thermal insulation performance.

[0010] 2. Through the support components, a high-strength and lightweight skeleton can be constructed under the action of the aluminum honeycomb panel, which effectively improves the overall bending stiffness and dimensional stability of the panel. The aramid fiber felt layer gives the structure good impact resistance, damping and shock absorption capabilities, and radial elastic adaptation space to the expansion of the glass wool body. The silica aerogel felt layer and the micro-perforated aluminum foil layer work together to enhance the heat insulation and sound insulation effect and realize internal humidity regulation, ensuring the long-term stable operation of the core material.

[0011] 3. Through the polyurethane edge sealing components, the wave-shaped fit between the U-shaped groove and the bottom U-shaped block enables rapid positioning, tight splicing, and thermal expansion and contraction displacement release between panels, greatly improving installation efficiency and joint airtightness. At the same time, the stepped guide channel and splicing block form a one-way drainage and seepage prevention structure, effectively guiding and blocking water vapor intrusion. Combined with the waterproof and sealing properties of polyurethane material itself, it comprehensively prevents moisture from entering the core material, ensuring long-lasting and stable thermal insulation performance. Attached Figure Description

[0012] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0013] Figure 1 This is a structural schematic diagram of a polyurethane edge-sealed glass wool board for building, according to an embodiment of the present utility model; Figure 2 This is one of the partial cross-sectional views of a polyurethane-sealed glass wool board for building, according to an embodiment of the present utility model; Figure 3 This is a second partial sectional view of a polyurethane-sealed glass wool board for building, according to an embodiment of the present utility model. Figure 4 This is a partial cross-sectional view of a support component in a polyurethane-sealed glass wool board for building, according to an embodiment of the present utility model. Figure 5 yes Figure 4 Enlarged view of point A in the middle.

[0014] In the picture: 1. Steel plate body; 2. Supporting components; 201. Aluminum honeycomb panel; 202. Elastic connecting layer; 2021. Aramid fiber felt layer; 2022. Silica aerogel felt layer; 2023. Micro-perforated aluminum foil layer; 3. Glass wool body; 4. Polyurethane edge sealing components; 401. First connecting block; 402. U-shaped channel; 403. Guide channel; 404. Second connecting block; 405. U-shaped block; 406. Splicing block. Detailed Implementation

[0015] To further illustrate the various embodiments, the present invention provides accompanying drawings, which are part of the disclosure of the present invention. These drawings are mainly used to illustrate the embodiments and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, those skilled in the art should be able to understand other possible implementation methods and the advantages of the present invention. The components in the figures are not drawn to scale, and similar component symbols are usually used to represent similar components.

[0016] According to an embodiment of the present invention, a polyurethane-sealed glass wool board for building is provided.

[0017] The present invention will now be further described in conjunction with the accompanying drawings and specific embodiments, such as... Figures 1-5 As shown, the polyurethane edge-sealed glass wool board for building construction according to an embodiment of the present utility model includes: a steel plate body 1; a support component 2, disposed inside the steel plate body 1, for forming the spatial skeleton of the board; a glass wool body 3, disposed inside the support component 2; and a polyurethane edge-sealing component 4, disposed at the top and bottom ends of the support component 2.

[0018] Furthermore, it should be noted that the aforementioned steel plate body 1 is typically made of high-strength cold-rolled galvanized steel sheet or aluminized zinc steel sheet, with the base material being high-quality carbon structural steel, possessing good ductility, tensile strength, and weldability; the surface is hot-dip galvanized or coated with an aluminized zinc alloy to form a dense metallic protective layer, which can effectively resist atmospheric corrosion, moisture erosion, and the effects of chemical media, significantly improving the durability and service life of the plate in complex building environments; this steel plate body 1 is existing technology and will not be elaborated upon further here.

[0019] Furthermore, it should be noted that the main components of the aforementioned glass wool body 3 are natural minerals and industrial waste, such as natural minerals like quartz sand, limestone, and dolomite, as well as industrial wastes like recycled glass and blast furnace slag. After being mixed and melted in a specific ratio, the mixture is spun into ultrafine fibers with a diameter of approximately 5-9 micrometers through a high-speed centrifugal process. During the fiber formation process, environmentally friendly phenolic resin is sprayed in as a binder, and then the mixture is cured and shaped to form a fluffy and porous cotton felt material. This glass wool body 3 is existing technology and will not be elaborated on further here.

[0020] In one embodiment, the support component 2 includes an aluminum honeycomb panel 201 disposed inside the steel plate body 1, with an elastic connecting layer 202 disposed on the inner wall of the aluminum honeycomb panel 201. The elastic connecting layer 202 includes an aramid fiber felt sleeve layer 2021 disposed on the inner wall of the aluminum honeycomb panel 201, a silica aerogel felt layer 2022 disposed on the inner wall of the aramid fiber felt sleeve layer 2021, and a micro-perforated aluminum foil layer 2023 disposed on the inner wall of the silica aerogel felt layer 2022 and on the outer side of the glass wool body 3. Under the action of the aluminum honeycomb panel 201, a high-strength lightweight skeleton can be constructed, effectively improving the overall bending stiffness and dimensional stability of the board. The aramid fiber felt sleeve layer 2021 provides the structure with good impact resistance, damping and shock absorption capabilities, and radial elastic adaptation space for the expansion of the glass wool body 3. The silica aerogel felt layer 2022 and the micro-perforated aluminum foil layer 2023 work together to enhance the heat insulation and sound insulation effect and realize internal humidity regulation, ensuring the long-term stable operation of the core material.

[0021] Furthermore, it should be noted that the aforementioned aluminum honeycomb panel 201 uses high-purity aluminum alloy thin plates to form a regular hexagonal honeycomb core material, constructing a lightweight and high-strength spatial skeleton structure. Utilizing the principle of honeycomb topology, external loads are effectively transferred through the panel to the vertically arranged honeycomb walls, achieving a significant improvement in in-plane compressive, bending, and shear stiffness. This allows the entire panel to maintain a low self-weight while possessing excellent impact and deformation resistance, effectively preventing edge collapse and central deflection during transportation and installation. This aluminum honeycomb panel 201 is existing technology and will not be elaborated upon further here.

[0022] Furthermore, it should be noted that the aforementioned aramid fiber felt layer 2021 is made of high-performance aromatic polyamide fibers, i.e., aramid, through needle punching or hydroentangling processes to form a non-woven felt. Aramid fibers have extremely high tensile strength and modulus, and also possess excellent heat resistance, flame retardancy, and fatigue resistance. As an elastic buffer layer on the inner wall of the aluminum honeycomb panel, it can provide radial elastic clearance space when the glass wool body 3 expands or contracts due to temperature and humidity changes, avoiding internal stress accumulation that could lead to structural cracking. At the same time, when the panel is subjected to external impact, the aramid felt can absorb a large amount of impact kinetic energy through the fiber stretching, breaking, and energy dissipation mechanisms, protecting the internal core material. Moreover, its porous fiber structure has a certain acoustic damping effect, which can further suppress the propagation of mid-to-high frequency noise and improve the overall sound insulation performance. This aramid fiber felt layer 2021 is existing technology and will not be elaborated further here.

[0023] Furthermore, it should be noted that the aforementioned silica aerogel felt layer 2022 is mainly composed of nano-sized silica aerogel particles, prepared by a combination of sol-gel methods and supercritical drying or atmospheric pressure drying processes. It is then combined with a flexible fiber substrate, such as glass fiber cloth or ceramic fiber paper, to form a flexible felt-like material. The aerogel content can reach more than 70%, the porosity is as high as 90%-95%, and the average pore size is less than 50 nanometers. It can significantly reduce the transfer of heat from the aluminum honeycomb panel 201 to the glass wool body 3 through solid conduction and radiation heat transfer, especially effectively suppressing the linear thermal bridge effect in high or low temperature environments. At the same time, its nanoporous structure has selective permeability to water vapor molecules, ensuring air permeability while restricting liquid water penetration, thus synergistically achieving the dual functions of heat preservation and moisture prevention. This silica aerogel felt layer 2022 is existing technology and will not be elaborated on further here.

[0024] Furthermore, it should be noted that the aforementioned micro-perforated aluminum foil layer 2023 is made of industrial pure aluminum foil with a thickness of 0.03-0.05mm through laser or mechanical stamping processes. The surface is uniformly distributed with micro-perforations of 0.3-1.0mm in diameter and a porosity of 1%-5%, forming a continuous thin film structure. The material itself has excellent moisture-proof, vapor-proof, and fire-reflective properties. It adheres closely to the outer side of the glass wool body 3, preventing moisture from the building interior from migrating to the insulation layer and preventing condensation. Under the action of a high-reflectivity surface, it can effectively reflect long-wave infrared radiation, reduce radiative heat transfer, and further improve insulation efficiency. At the same time, through micro-perforations, while blocking the convection of liquid water and air, it allows water vapor molecules to diffuse slowly, achieving dynamic moisture balance and avoiding internal moisture accumulation that leads to mold or corrosion. This micro-perforated aluminum foil layer 2023 is existing technology and will not be elaborated on further here.

[0025] In one embodiment, the polyurethane edge sealing assembly 4 includes a first connecting block 401 disposed at the top of the support assembly 2. A U-shaped groove 402 is formed at the top of the first connecting block 401, and a guide channel 403 is provided on one side of the U-shaped groove 402. A second connecting block 404 is disposed at the bottom of the support assembly 2. A U-shaped block 405 that mates with the U-shaped groove 402 is disposed at the bottom of the second connecting block 404, and a splicing block 406 that mates with the guide channel 403 is disposed on one side of the U-shaped block 405. The bottom surface of the U-shaped groove 402 is wavy. Structure: The cross-section of the flow guide 403 is a stepped structure, and the bottom height of the flow guide 403 increases sequentially in the direction away from the support component 2; it can achieve rapid positioning, tight splicing and thermal expansion and contraction displacement release between the plates through the wave-shaped cooperation between the U-shaped channel 402 and the bottom U-shaped block 405, which greatly improves the installation efficiency and joint airtightness. At the same time, the stepped flow guide 403 and the splicing block 406 form a one-way drainage and seepage prevention structure, which effectively guides and blocks water vapor intrusion. Combined with the waterproof and sealing properties of the polyurethane material itself, it comprehensively prevents moisture from entering the core material and ensures long-term and stable thermal insulation performance.

[0026] Furthermore, it should be noted that the first connecting block 401, U-shaped channel 402, flow guide channel 403, second connecting block 404, U-shaped block 405, and splicing block 406 in the aforementioned polyurethane edge sealing component 4 are all made of rigid polyurethane foam or polyisocyanurate. The raw materials are a combination of isocyanate and polyol, which is poured or sprayed on-site under high temperature and pressure using high-pressure foaming equipment. During the foaming process, density, closed-cell rate, and cell structure can be precisely controlled to ensure that the edge sealing material possesses excellent physical, mechanical, and thermal properties. Polyurethane itself has an extremely low thermal conductivity, making it not only a highly efficient insulation material... Furthermore, by forming a continuous and seamless wrapping layer at the top and bottom of the glass wool body 3, it effectively blocks the linear transfer of heat along the edge of the board, significantly reduces the thermal bridging effect, and improves the thermal resistance of the overall insulation system. More importantly, its highly closed-cell structure gives it excellent waterproof and moisture-proof performance, which can completely isolate external rainwater, moisture and water vapor from penetrating the glass wool core material from the board seams. This fundamentally solves the problem of traditional glass wool boards causing the thermal insulation performance to decline, strength to decrease, and even mold and rot due to moisture absorption, ensuring the stability and durability of the board in long-term use. The polyurethane edge sealing component 4 is existing technology and will not be elaborated on here.

[0027] To facilitate understanding of the above-mentioned technical solutions of this utility model, the working principle or operation method of this utility model in actual process will be described in detail below.

[0028] In practical applications, the U-shaped block 405 on the second connecting block 404 at the bottom of one board is aligned with the U-shaped groove 402 on the first connecting block 401 at the top of another board for insertion. Simultaneously, the splicing block 406 is embedded in the guide groove 403, achieving rapid positioning and tight assembly. The wave-shaped structure at the bottom of the U-shaped groove 402 releases thermal expansion displacement, increases the contact surface, and buffers deformation, improving connection stability and airtightness. The stepped guide groove 403 not only guides any condensate or moisture that may seep in outwards, but its increasing height design also forms a physical barrier against water vapor penetration, effectively preventing moisture accumulation. Meanwhile, internal... The aluminum honeycomb panel 201 in the support component 2 provides a high-strength spatial skeleton. The aramid fiber felt layer 2021 on its inner wall enhances the impact resistance and damping performance, while also providing radial elastic clearance space when the glass wool body 3 expands. The silica aerogel felt layer 2022 and the micro-perforated aluminum foil layer 2023 work together to further improve the thermal insulation and sound insulation effect while regulating the internal humidity. Finally, it is fully wrapped by the polyurethane edge sealing component 4 to form a waterproof, moisture-proof and sealed overall structure, thereby ensuring that the thermal insulation performance of the panel is stable and the structure is reliable during long-term use, and significantly improving the energy efficiency, durability and construction efficiency of the building envelope.

[0029] In summary, by utilizing the above-mentioned technical solution of this utility model, through the coordinated arrangement of the steel plate body 1, the support component 2, the glass wool body 3, and the polyurethane edge sealing component 4, not only is the thermal insulation performance of the polyurethane edge-sealed glass wool board for building ensured, but the overall structural strength of the board is also effectively improved. Furthermore, during board splicing, the airtightness at the joints is significantly enhanced, effectively guiding and blocking moisture intrusion, ensuring long-term stability of the thermal insulation performance. The support component 2, under the action of the aluminum honeycomb panel 201, constructs a high-strength, lightweight skeleton, effectively improving the overall bending stiffness and dimensional stability of the board. The aramid fiber felt layer 2021 imparts good impact resistance and damping shock absorption to the structure. The glass wool body 3 has radial elasticity to adapt to expansion. The silica aerogel felt layer 2022 and the micro-perforated aluminum foil layer 2023 work together to enhance the thermal and sound insulation effect and achieve internal humidity regulation, ensuring the long-term stable operation of the core material. Through the polyurethane edge sealing component 4, the U-shaped groove 402 and the bottom U-shaped block 405 can achieve rapid positioning, tight splicing and thermal expansion and contraction displacement release between the boards, which greatly improves the installation efficiency and joint airtightness. At the same time, the stepped drainage channel 403 and the splicing block 406 form a one-way drainage and seepage prevention structure, which effectively guides and blocks water vapor intrusion. Combined with the waterproof and sealing properties of the polyurethane material itself, it comprehensively prevents moisture from entering the core material and ensures long-term stable thermal insulation performance.

[0030] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0031] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A polyurethane-sealed glass wool board for construction, characterized in that, include: Steel plate body (1); Support component (2) is disposed inside the steel plate body (1) to form a spatial skeleton of the plate; The glass wool body (3) is disposed inside the support component (2); A polyurethane edge sealing component (4) is disposed at the top and bottom of the support component (2).

2. The polyurethane-sealed glass wool board for building construction according to claim 1, characterized in that, The support component (2) includes an aluminum honeycomb panel (201) disposed inside the steel plate body (1), and the inner wall of the aluminum honeycomb panel (201) is provided with an elastic connecting layer (202).

3. The polyurethane-sealed glass wool board for building construction according to claim 2, characterized in that, The elastic connecting layer (202) includes an aramid fiber felt sleeve layer (2021) disposed on the inner wall of the aluminum honeycomb panel (201), the inner wall of the aramid fiber felt sleeve layer (2021) is provided with a silica aerogel felt layer (2022), and the inner wall of the silica aerogel felt layer (2022) and located on the outer side of the glass wool body (3) is provided with a micro-perforated aluminum foil layer (2023).

4. The polyurethane-sealed glass wool board for building construction according to claim 1, characterized in that, The polyurethane sealing assembly (4) includes a first connecting block (401) disposed at the top of the support assembly (2), the top of the first connecting block (401) is provided with a U-shaped groove (402), and a guide groove (403) is provided on one side of the U-shaped groove (402). The support component (2) is provided with a second connecting block (404) at its bottom end. The second connecting block (404) is provided with a U-shaped block (405) that cooperates with the U-shaped groove (402) at its bottom end. A splicing block (406) that cooperates with the guide groove (403) is provided on one side of the U-shaped block (405).

5. A polyurethane-sealed glass wool board for building construction according to claim 4, characterized in that, The bottom surface of the U-shaped groove (402) has a wave-shaped structure.

6. A polyurethane-sealed glass wool board for building construction according to claim 4, characterized in that, The cross-section of the guide channel (403) is a stepped structure, and the bottom height of the guide channel (403) increases sequentially in the direction away from the support component (2).

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