Composite veneer for mineral wool with good flame retardant property
By using a multi-layered composite structure and halogen-free flame-retardant adhesive design, the problems of easy combustion and insufficient strength of mineral wool composite veneers have been solved, thereby improving the flame-retardant properties and strength of mineral wool, and enhancing its heat insulation and sound insulation performance.
Patent Information
- Application Number
- CN202423159728.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2034-12-20
AI Technical Summary
Existing mineral wool composite veneers are easily flammable under high temperature or fire conditions, and traditional adhesives may release harmful substances, lack sufficient strength, and cannot effectively retard flames and protect mineral wool.
The design incorporates flame-retardant adhesives, aluminum foil layers, glass fiber layers, and intermediate composite layers. It combines halogen-free flame-retardant adhesives, inorganic flame-retardant materials, and high-strength fibers to form a multi-layered composite structure, enhancing flame-retardant performance and overall strength.
It improves the flame retardant properties and strength of mineral wool composite veneers, prevents the spread of flames, avoids the release of harmful substances, enhances heat and sound insulation properties, and has excellent tear and puncture resistance.
Smart Images
Figure CN223672031U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to composite veneer design technical field, especially mineral wool with good flame -retardant performance composite veneer. BACKGROUND
[0002] Mineral wool is a kind of high-quality heat insulation material, with low thermal conductivity, good sound absorption performance, corrosion resistance and other characteristics, is widely used in building, industry and other fields, in order to improve the practicability and aesthetic degree of mineral wool, usually need to cover a layer of composite veneer material on its surface, composite veneer material not only has the decoration and protection effect, but also can further enhance the moisture-proof performance of mineral wool.
[0003] The applicant has searched and found that the composite veneer for mineral wool in the prior art is mostly composed of polypropylene film, kraft paper and fiber lining sealed and bonded by ordinary non-flame-retardant adhesive, although the polypropylene film has excellent moisture-proof performance, but it does not have significant flame-retardant performance, under high temperature or fire condition, the polypropylene film layer belongs to organic polymer material and can burn, cannot effectively block the spread of flame, the non-flame-retardant adhesive used burns together with the polypropylene film under high temperature, and even may release harmful substances in the burning process, brings great fire safety hazard to the end user, in addition, the existing composite veneer is also easy to be damaged under strong tension or pressure, and further improvement of its strength is needed to meet more needs. Therefore, the applicant proposes a composite veneer for mineral wool with good flame-retardant performance and higher strength to solve the above technical problems. UTILITY MODEL CONTENTS
[0004] The utility model provides a kind of composite veneer for mineral wool with good flame-retardant performance, by flame-retardant adhesive and aluminium foil layer, glass fibre layer and intermediate composite layer reinforcement design, solve the problem raised in the above background.
[0005] To solve the above technical problems, the utility model provides a kind of composite veneer for mineral wool with good flame-retardant performance, including aluminium foil outer layer, the aluminium foil outer layer inner layer is equipped with intermediate composite layer, the inner layer of intermediate composite layer is equipped with glass fibre cloth layer, the aluminium foil outer layer, intermediate composite layer and glass fibre cloth layer are connected together by flame-retardant adhesive sealing connection between them;
[0006] The flame-retardant adhesive is single-component halogen-free flame-retardant adhesive design;
[0007] The outer layer of aluminium foil outer layer is equipped with composite flame-retardant coating, and the inner layer of aluminium foil outer layer is also equipped with a heat insulation thin layer.
[0008] Further, the composite flame-retardant coating comprises a waterproof coating and a flame-retardant coating, the flame-retardant coating is uniformly coated on the outer surface of the outer aluminum foil layer, and the waterproof coating is uniformly coated on the outer surface of the flame-retardant coating, wherein the flame-retardant coating is made of inorganic flame-retardant materials such as aluminum hydroxide, magnesium hydroxide, diatomite and red phosphorus, and the waterproof coating is made of polyacrylic resin.
[0009] Further, the outer aluminum foil layer is made of high-purity aluminum foil material and is made in a multi-layer aluminum foil composite manner, and the heat-conductivity-coefficient material is used to make the heat-insulating thin layer.
[0010] Further, the intermediate composite layer comprises a kraft paper layer, a reinforced woven layer and an elastic pressure-resistant layer, the kraft paper layer, the reinforced woven layer and the elastic pressure-resistant layer are tightly adhered to each other through hot pressing, the kraft paper layer is sealingly bonded to the outer layer and the heat-insulating thin layer of the inner layer of the outer aluminum foil layer, and the elastic pressure-resistant layer is bonded to the outer side of the inner layer and the glass fiber cloth layer.
[0011] Further, the reinforced woven layer is made of high-strength fiber, and the elastic pressure-resistant layer is made of polyurethane and is added with nano ATH flame retardant during the manufacturing process.
[0012] Further, the glass fiber cloth layer is sealingly bonded by three pieces of glass fiber cloth to form a composite layer.
[0013] Compared with the related art, the composite facing for mineral wool with good flame-retardant performance has the following beneficial effects:
[0014] 1. The composite facing for mineral wool with good flame-retardant performance is designed by using a flame-retardant adhesive and a composite flame-retardant coating, the flame-retardant coating made of inorganic flame-retardant materials is coated on the outer surface of the outer aluminum foil layer, the flame-retardant performance of the composite facing is effectively improved, the waterproof coating further protects the flame-retardant coating, the flame-retardant adhesive is a single-component halogen-free flame-retardant adhesive, which is a special adhesive without halogen elements and has flame-retardant performance and is harmless to human health, thereby effectively improving the flame-retardant performance of the mineral wool composite facing.
[0015] 2. The composite facing for mineral wool with good flame-retardant performance is integrally formed by sealingly bonding three pieces of glass fiber cloth to form a glass fiber cloth layer, thereby improving the overall heat and sound insulation performance, and the glass fiber cloth layer has good flame-retardant performance compared with other fibers.
[0016] 3. This utility model provides a mineral wool composite veneer with good flame retardant properties. By using a kraft paper layer as the outer layer of the middle composite layer, it provides good strength and wear resistance, and also has a certain heat insulation effect. The reinforced woven layer is made of high-strength fiber, which enhances the overall strength and durability of the composite veneer and has excellent tear resistance and puncture resistance. Finally, the elastic compression layer is made of polyurethane foam material, which has good elasticity and compression resistance. This layer can absorb and disperse external pressure, protect the inner glass fiber cloth layer from damage, and add flame retardants to make it flame retardant. Attached Figure Description
[0017] Fig. 1 This is a schematic diagram of the overall three-dimensional structure of this utility model;
[0018] Fig. 2 This is a schematic diagram of the split structure of the intermediate composite layer of this utility model;
[0019] Fig. 3 This is a schematic diagram of the layered structure of the composite flame-retardant coating of this utility model.
[0020] The numbers in the diagram are: 1. Outer layer of aluminum foil; 11. Heat insulation layer; 2. Intermediate composite layer; 21. Kraft paper layer; 22. Reinforced woven layer; 23. Elastic compression-resistant layer; 3. Fiberglass cloth layer; 4. Flame retardant adhesive; 5. Composite flame retardant coating; 51. Flame retardant coating; 52. Waterproof coating. Detailed Implementation
[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the protection scope of the present utility model.
[0022] Implementation examples, by Figs. 1-3 The present invention includes an aluminum foil outer layer 1, an inner layer of an intermediate composite layer 2, an inner layer of a fiberglass cloth layer 3, and the aluminum foil outer layer 1, the intermediate composite layer 2 and the fiberglass cloth layer 3 are sealed together by a flame-retardant adhesive 4. The flame-retardant adhesive 4 is a single-component halogen-free flame-retardant adhesive. The outer layer of the aluminum foil outer layer 1 is provided with a composite flame-retardant coating 5, and the inner layer of the aluminum foil outer layer 1 is also provided with a heat-insulating thin layer 11.
[0023] The composite fire-retardant coating 5 comprises a waterproof coating 52 and a fire-retardant coating 51, the fire-retardant coating 51 is uniformly coated on the outer surface of the aluminum foil outer layer 1, and the waterproof coating 52 is uniformly coated on the outer surface of the fire-retardant coating 51, wherein the fire-retardant coating 51 is made of inorganic fire-retardant materials such as aluminum hydroxide, magnesium hydroxide, diatomite, red phosphorus, etc., and the waterproof coating 52 is made of polyacrylic resin.
[0024] Firstly, the inner layer of the aluminum foil outer layer 1 is coated with a heat insulation thin layer 11 with a thickness of 0.05 mm, and the heat insulation thin layer 11 is uniformly attached to the aluminum foil by using thermal spraying or scraping coating process, then the glass fiber cloth layer 3 is placed on the inner layer of the intermediate composite layer 2, the glass fiber cloth layer 3 is bonded with the intermediate composite layer 2 by using the fire-retardant adhesive 4, then the intermediate composite layer 2 is connected with the inner side of the aluminum foil outer layer 1 by using the fire-retardant adhesive 4, finally, a fire-retardant coating 51 is coated on the outer surface of the aluminum foil outer layer 1, and then a waterproof coating 52 is coated after the fire-retardant coating 51 is dried, to form the composite fire-retardant coating 5;
[0025] By designing the fire-retardant adhesive 4 and the composite fire-retardant coating 5, the fire-retardant coating 51 made of inorganic fire-retardant materials (such as aluminum hydroxide) is coated on the outer surface of the aluminum foil outer layer 1, which effectively improves the fire-retardant performance of the composite surface, the inorganic fire-retardant materials such as aluminum hydroxide can absorb a large amount of heat and release water vapor at high temperature, which reduces the temperature of the combustion area, and the generated aluminum oxide layer can isolate oxygen and prevent the spread of fire. The waterproof coating 52 not only enhances the waterproof performance of the composite surface, but also further protects the fire-retardant coating 51 from being eroded by water, thereby reducing the fire-retardant effect. The fire-retardant adhesive 4 is a single-component halogen-free fire-retardant adhesive, which is a special adhesive with the characteristics of not containing halogen elements and having fire-retardant performance. The halogen-free fire-retardant adhesive is made of non-toxic and harmless materials, which will not produce toxic gas and smoke at high temperature, and is harmless to human health. In addition, the halogen-free fire-retardant adhesive also has good weather resistance and stability, and the connection is light, which avoids the traditional halogen-based fire-retardant adhesive which may produce toxic gas and smoke at high temperature, thereby threatening human health.
[0026] The aluminum foil outer layer 1 is made of high-purity aluminum foil material and is made in a multi-layer aluminum foil composite manner, and the heat insulation thin layer 11 is made of a material with a low thermal conductivity.
[0027] The outer layer 1 of the aluminum foil is made of high-purity aluminum foil material to ensure good reflectivity and heat insulation performance. In order to enhance the strength and heat insulation effect of the outer layer of the aluminum foil, a multi-layer aluminum foil composite method is used to make the outer layer of the aluminum foil. The multi-layer aluminum foil is tightly attached by a special adhesive to form an integrated structure. Finally, a thin heat insulation layer 11 with low thermal conductivity is coated on the inner layer of the outer layer 1 of the aluminum foil. The thin heat insulation layer 11 is made of advanced heat insulation materials such as aerogel or vacuum heat insulation materials to further insulate heat transfer and avoid damage to the flame-retardant adhesive 4 caused by sunlight during daily use.
[0028] The intermediate composite layer 2 includes a kraft paper layer 21, a reinforced woven layer 22, and an elastic compression layer 23. The kraft paper layer 21, the reinforced woven layer 22, and the elastic compression layer 23 are tightly attached to each other by heat pressing. The kraft paper layer 21 is sealed and bonded to the inner layer of the outer layer 1 of the aluminum foil and the outer side of the glass fiber cloth layer 3. The reinforced woven layer 22 is made of high-strength fiber, and the elastic compression layer 23 is made of polyurethane. The elastic compression layer 23 is added with nano-ATH flame retardant during the manufacturing process, so that the elastic compression layer 2 also has certain flame retardant performance, which is very practical.
[0029] The kraft paper layer 21 is used as the outer layer of the intermediate composite layer 2 and is sealed and bonded to the inner layer of the outer layer 1 of the aluminum foil by the flame-retardant adhesive 4. The kraft paper layer 21 not only provides good strength and wear resistance, but also has certain heat insulation effect. The reinforced woven layer 22 is woven from high-strength fiber to enhance the overall strength and durability of the composite surface. The high-strength fiber woven structure makes the reinforced woven layer 22 have excellent tear resistance and puncture resistance. Finally, the elastic compression layer 23 is made of polyurethane foam material and has good elasticity and compression resistance. This layer can absorb and disperse external pressure to protect the internal glass fiber cloth layer 3 from damage.
[0030] The glass fiber cloth layer 3 is sealed and bonded by three pieces of glass fiber cloth to form an integrated structure, which improves the overall heat and sound insulation performance. Glass fiber has certain flame retardant properties compared to other fibers, which enhances the flame retardant effect.
[0031] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.
[0032] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.
Claims
1. A composite facing for mineral wool with good fire resistance properties, comprising an outer layer of aluminium foil (1), characterised in that: The outer layer (1) of the aluminum foil is provided with an intermediate composite layer (2), and the inner layer of the intermediate composite layer (2) is provided with a glass fiber cloth layer (3), and the outer layer (1) of the aluminum foil, the intermediate composite layer (2) and the glass fiber cloth layer (3) are sealed and connected together by a fire-retardant adhesive (4). The fire-retardant adhesive (4) is a single-component halogen-free fire-retardant adhesive. The outer layer of the outer layer (1) of the aluminum foil is provided with a composite fire-retardant coating (5), and the inner layer of the outer layer (1) of the aluminum foil is further provided with a heat insulation thin layer (11).
2. A composite facing for mineral wool with good fire resistance properties according to claim 1, characterized by, The composite fire-retardant coating (5) comprises a waterproof coating (52) and a fire-retardant coating (51), the fire-retardant coating (51) is uniformly coated on the outer surface of the outer layer (1) of the aluminum foil, and the waterproof coating (52) is uniformly coated on the outer surface of the fire-retardant coating (51), wherein the fire-retardant coating (51) is made of inorganic fire-retardant material, and the waterproof coating (52) is made of polyacrylic resin.
3. The composite facing for mineral wool with good flame retardant performance according to claim 2, characterized in that, The outer layer (1) of the aluminum foil is made of high-purity aluminum foil material and is made in a multi-layer aluminum foil composite manner, and the heat insulation thin layer (11) is made of a material with low thermal conductivity.
4. The composite facing for mineral wool with good flame retardant performance according to claim 3, characterized in that, The intermediate composite layer (2) comprises a kraft paper layer (21), a reinforced woven layer (22) and an elastic pressure-resistant layer (23), the kraft paper layer (21), the reinforced woven layer (22) and the elastic pressure-resistant layer (23) are tightly adhered to each other by hot pressing, the kraft paper layer (21) is sealed and bonded to the heat insulation thin layer (11) in the inner layer of the outer layer (1) of the aluminum foil, and the elastic pressure-resistant layer (23) is bonded to the outer side of the glass fiber cloth layer (3) in the inner layer.
5. The composite facing for mineral wool with good flame retardant performance according to claim 4, characterized in that, The reinforced woven layer (22) is made of high-strength fiber, and the elastic pressure-resistant layer (23) is made of polyurethane, and the elastic pressure-resistant layer (23) is added with nano ATH fire-retardant agent during the manufacturing process.
6. The composite facing for mineral wool with good flame retardant performance according to claim 5, characterized in that, The glass fiber cloth layer (3) is formed by sealing and bonding three pieces of glass fiber cloth.