An intumescent fire-retardant fire barrier
Patent Information
- Application Number
- CN202521653047.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-08-05
- Publication Date
- 2026-08-28
- Estimated Expiration
- 2035-08-05
AI Technical Summary
[0005]本实用新型的目的在于提出一种膨胀性阻燃防火卷材,以解决上述背景技术提出在发生火情时,为了达到更好地达到阻燃的效果,且提高防火卷材的场景适用性的问题
1、将阻燃包4放置在金属箔包裹层1内侧相邻两个金属箔分隔片3之间,而阻燃包4为氢氧化铝、氢氧化镁、红磷和玻璃纤维存放袋组成,通过玻璃纤维存放袋对氢氧化铝、氢氧化镁、红磷进行存储,氢氧化铝在高温环境下分解产生水蒸气和氧化铝保护层,氢氧化镁与氢氧化铝复配可拓宽阻火温度范围,而红磷受热生成磷酸,催化成炭并释放含磷自由基抑制燃烧;磷酸盐与碳源协同形成膨胀炭层,提升隔热性,达到膨胀阻燃的效果。
Smart Images

Figure CN224692985U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of fireproof roll material technology, and in particular to an intumescent flame-retardant fireproof roll material. Background Technology
[0002] In the fields of construction, industry, and transportation, fire separation is one of the core measures to ensure the safety of life and property. Intumescent flame-retardant fireproof rolls (hereinafter referred to as "fire-retardant rolls") are a type of functional material that expands upon contact with fire to form a heat-insulating char layer, thereby blocking the spread of fire. They are widely used in scenarios such as cable tray sealing, fireproofing of pipes penetrating walls / floors, and filling gaps in building structures.
[0003] In the event of a fire, in order to achieve a better flame-retardant effect and improve the applicability of fireproof rolls in various scenarios.
[0004] Therefore, an intumescent flame-retardant fireproof membrane is proposed to solve the above problems. Utility Model Content
[0005] The purpose of this invention is to provide an intumescent flame-retardant fireproof roll material to solve the problem mentioned in the background art of achieving better flame-retardant effect and improving the applicability of fireproof roll materials in the event of a fire.
[0006] To achieve the above objectives, this utility model provides the following technical solution: an intumescent flame-retardant fireproof roll material, comprising a metal foil wrapping layer, metal foil separators integrally formed on the inner side of the metal foil wrapping layer, the metal foil separators being equidistantly distributed at the bottom inner side of the metal foil wrapping layer, a flame-retardant bag placed between two adjacent metal foil separators, a fiberglass wrapping sleeve laid on top of the flame-retardant bag, a flame-retardant material disposed on the inner side of the fiberglass wrapping sleeve, a heat dissipation layer disposed on top of the fiberglass wrapping sleeve, and a waterproof mechanism disposed on the outer side of the metal foil wrapping layer.
[0007] Preferably, the flame-retardant package includes aluminum hydroxide, magnesium hydroxide, red phosphorus, and a glass fiber storage bag, with the mixed aluminum hydroxide, magnesium hydroxide, and red phosphorus placed inside the glass fiber storage bag.
[0008] Preferably, the flame-retardant material is nylon flame-retardant cotton, which is laid flat on the inside of the glass fiber sheath.
[0009] Preferably, the heat dissipation layer is an aluminum foil sheet, the top of which is bonded to the inner side of the metal foil wrapping layer, and the bottom of which is bonded to the glass fiber wrapping sleeve.
[0010] Preferably, the waterproof mechanism includes a waterproof layer, which is a silicone hydrophobic agent coated on the outer surface of the metal foil wrapping layer.
[0011] Preferably, the top of the metal foil wrapping layer is provided with recessed grooves, which are equidistantly distributed on the top of the metal foil wrapping layer.
[0012] Preferably, the recessed groove is formed by pressing, the depth of the recessed groove is 0.5mm-1mm, and the distance between two adjacent recessed grooves is 10mm-15mm.
[0013] Compared with the prior art, the beneficial effects of this utility model are that it provides an intumescent flame-retardant fireproof roll material, which has the following beneficial effects: 1. The flame retardant pack 4 is placed between two adjacent metal foil separators 3 inside the metal foil wrapping layer 1. The flame retardant pack 4 is composed of aluminum hydroxide, magnesium hydroxide, red phosphorus and a glass fiber storage bag. The glass fiber storage bag stores aluminum hydroxide, magnesium hydroxide and red phosphorus. Aluminum hydroxide decomposes at high temperature to produce water vapor and an aluminum oxide protective layer. The combination of magnesium hydroxide and aluminum hydroxide can broaden the flame retardant temperature range. Red phosphorus is heated to produce phosphoric acid, which catalyzes the formation of char and releases phosphorus-containing free radicals to inhibit combustion. Phosphate and carbon source work together to form an expanded char layer, which improves heat insulation and achieves the effect of expansion flame retardancy.
[0014] 2. By setting nylon flame-retardant cotton 6, combined with glass fiber wrapping sleeve 5, a certain flame-retardant effect is achieved without affecting the winding and storage of the roll material. The aluminum foil 7 can reduce the surface temperature of the roll material, reduce the thermal aging of the internal flame-retardant layer, and is lightweight (density 2.7g / cm³), without affecting the flexibility of the roll material.
[0015] 3. The setting of organosilicon hydrophobic agent forms a hydrophobic film on the surface of metal foil wrapping layer 1, preventing water penetration and thus reducing the thermal insulation performance. The setting of groove 2 plays a role in water conduction, and also takes into account the drainage effect when applied to building roofs. Attached Figure Description
[0016] Figure 1 This is a schematic diagram of the appearance and structure of this utility model; Figure 2 This is a schematic diagram of the positional structure of the glass fiber sheath of this utility model; Figure 3 This is a schematic diagram of the position and structure of the flame-retardant package of this utility model; Figure 4 This is a schematic diagram of the structure of the metal foil wrapping layer and the waterproof layer used in conjunction with this utility model.
[0017] In the diagram: 1. Metal foil wrapping layer; 2. Recessed groove; 3. Metal foil separator; 4. Flame retardant package; 5. Fiberglass wrapping sleeve; 6. Nylon flame retardant cotton; 7. Aluminum foil sheet; 8. Waterproof layer. Detailed Implementation
[0018] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0019] It should be noted that the structures, proportions, sizes, etc., shown in the accompanying drawings are only for the purpose of assisting those skilled in the art in understanding and reading the content disclosed in the specification, and are not intended to limit the conditions under which this application can be implemented. Therefore, they have no substantial technical significance. Any modifications to the structure, changes in the proportions, or adjustments to the size should still fall within the scope of the technical content disclosed in this application, provided that they do not affect the effects and purposes that this application can produce. Example
[0020] Please see Figure 1-4 This utility model discloses an intumescent flame-retardant fireproof roll material, comprising a metal foil wrapping layer 1, with metal foil separators 3 integrally formed on the inner side of the metal foil wrapping layer 1. The metal foil separators 3 are equidistantly distributed on the bottom inner side of the metal foil wrapping layer 1. A flame-retardant bag 4 is placed between two adjacent metal foil separators 3. A glass fiber wrapping sleeve 5 is laid on the top of the flame-retardant bag 4. Flame-retardant material is provided on the inner side of the glass fiber wrapping sleeve 5. A heat dissipation layer is provided on the top of the glass fiber wrapping sleeve 5. A waterproof mechanism is provided on the outer side of the metal foil wrapping layer 1. The flame-retardant bag 4 includes aluminum hydroxide, magnesium hydroxide, red phosphorus and a glass fiber storage bag. The glass fiber storage bag contains a mixture of aluminum hydroxide, magnesium hydroxide and red phosphorus.
[0021] The flame-retardant pack 4 is placed inside the metal foil wrapping layer 1 between two adjacent metal foil separators 3. The flame-retardant pack 4 is composed of aluminum hydroxide, magnesium hydroxide, red phosphorus, and a glass fiber storage bag. The glass fiber storage bag stores aluminum hydroxide, magnesium hydroxide, and red phosphorus. Aluminum hydroxide decomposes at high temperatures to produce water vapor and an aluminum oxide protective layer. The combination of magnesium hydroxide and aluminum hydroxide can broaden the flame-retardant temperature range. Red phosphorus is heated to produce phosphoric acid, which catalyzes the formation of char and releases phosphorus-containing free radicals to inhibit combustion. Phosphate and carbon source work together to form an expanded char layer, which improves heat insulation and achieves the effect of expansion flame retardancy.
[0022] To achieve a certain flame-retardant effect, the flame-retardant material is nylon flame-retardant cotton 6, which is laid flat on the inside of the glass fiber wrapping sleeve 5. Through the setting of nylon flame-retardant cotton 6, in conjunction with the glass fiber wrapping sleeve 5, a certain flame-retardant effect is achieved without affecting the winding and storage of the roll material.
[0023] To achieve heat dissipation, the heat dissipation layer is an aluminum foil sheet 7. The top of the aluminum foil sheet 7 is bonded to the inner side of the metal foil wrapping layer 1, and the bottom of the aluminum foil sheet 7 is bonded to the glass fiber wrapping sleeve 5. By setting the aluminum foil sheet 7, the surface temperature of the roll material can be reduced, the thermal aging of the internal flame retardant layer can be reduced, and it is lightweight (density 2.7g / cm³), does not affect the flexibility of the roll material, has good thermal conductivity, and allows for rapid heat dissipation.
[0024] To achieve a waterproof effect, the waterproof mechanism includes a waterproof layer 8, which is an organosilicon hydrophobic agent. The organosilicon hydrophobic agent is coated on the outer surface of the metal foil wrapping layer 1. Through the setting of the organosilicon hydrophobic agent, a hydrophobic film is formed on the surface of the metal foil wrapping layer 1 to prevent water penetration and thus reduce the thermal insulation performance.
[0025] Furthermore, the top of the metal foil wrapping layer 1 is provided with recessed grooves 2. The recessed grooves 2 are evenly distributed on the top of the metal foil wrapping layer 1. The recessed grooves 2 are pressed and formed. The depth of the recessed grooves 2 is 0.5mm-1mm. The distance between two adjacent recessed grooves 2 is 10mm-15mm. The recessed grooves 2 serve to guide water and also provide drainage when used on building roofs.
[0026] Working principle: The flame-retardant pack 4 is placed inside the metal foil wrapping layer 1 between two adjacent metal foil separators 3. The flame-retardant pack 4 consists of aluminum hydroxide, magnesium hydroxide, red phosphorus, and a glass fiber storage bag. The glass fiber storage bag stores the aluminum hydroxide, magnesium hydroxide, and red phosphorus. Aluminum hydroxide decomposes at high temperatures to produce water vapor and an alumina protective layer. The combination of magnesium hydroxide and aluminum hydroxide can broaden the flame-retardant temperature range. Red phosphorus is heated to generate phosphoric acid, which catalyzes the formation of char and releases phosphorus-containing free radicals to inhibit combustion. Phosphate and carbon source synergistically form an expanded char layer, improving heat insulation and achieving an expanding flame-retardant effect. The addition of nylon flame-retardant cotton 6, combined with the glass fiber storage bag, further enhances the flame-retardant effect. The fiberglass wrapping sleeve 5 achieves a certain flame-retardant effect without affecting the winding and storage of the roll material. The aluminum foil sheet 7 reduces the surface temperature of the roll material and reduces the thermal aging of the internal flame-retardant layer. It is also lightweight (density 2.7g / cm³) and does not affect the flexibility of the roll material. The silicone water-repellent agent forms a hydrophobic film on the surface of the metal foil wrapping layer 1, preventing water penetration and thus reducing the thermal insulation performance. The recessed grooves 2 are evenly distributed on the top of the metal foil wrapping layer 1, and the depth of the recessed grooves 2 is 0.5mm-1mm. The distance between two adjacent recessed grooves 2 is 10mm-15mm, which plays a role in water conduction and drainage when used in building roofs.
[0027] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. An intumescent flame-retardant fireproof roll material, characterized in that: The package includes a metal foil wrapping layer (1), on the inner side of which a metal foil separator (3) is integrally formed. The metal foil separator (3) is equidistantly distributed at the bottom of the inner side of the metal foil wrapping layer (1). A flame-retardant bag (4) is placed between two adjacent metal foil separators (3). A glass fiber wrapping sleeve (5) is laid on the top of the flame-retardant bag (4). Flame-retardant material is provided on the inner side of the glass fiber wrapping sleeve (5). A heat dissipation layer is provided on the top of the glass fiber wrapping sleeve (5). A waterproof mechanism is provided on the outer side of the metal foil wrapping layer (1). The flame-retardant bag (4) includes aluminum hydroxide, magnesium hydroxide, red phosphorus and a glass fiber storage bag. A mixture of aluminum hydroxide, magnesium hydroxide and red phosphorus is placed on the inner side of the glass fiber storage bag. The top of the metal foil wrapping layer (1) is provided with a recessed groove (2). The recessed grooves (2) are evenly distributed on the top of the metal foil wrapping layer (1). The recessed grooves (2) are formed by pressing. The depth of the recessed grooves (2) is 0.5mm-1mm. The distance between two adjacent recessed grooves (2) is 10mm-15mm.
2. The intumescent flame-retardant fireproof roll material according to claim 1, characterized in that: The flame-retardant material is nylon flame-retardant cotton (6), which is laid flat on the inside of the glass fiber wrapping sleeve (5).
3. The intumescent flame-retardant fireproof roll material according to claim 1, characterized in that: The heat dissipation layer is an aluminum foil sheet (7), the top of the aluminum foil sheet (7) is bonded to the inner side of the metal foil wrapping layer (1), and the bottom of the aluminum foil sheet (7) is bonded to the glass fiber wrapping sleeve (5).
4. The intumescent flame-retardant fireproof roll material according to claim 1, characterized in that: The waterproof mechanism includes a waterproof layer (8), which is an organosilicon hydrophobic agent coated on the outer surface of the metal foil wrapping layer (1).