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WO2015172690A1 - Steel structure fireproof coiled material and manufacturing method therefor - Google Patents

Steel structure fireproof coiled material and manufacturing method therefor Download PDF

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Publication number
WO2015172690A1
WO2015172690A1 PCT/CN2015/078630 CN2015078630W WO2015172690A1 WO 2015172690 A1 WO2015172690 A1 WO 2015172690A1 CN 2015078630 W CN2015078630 W CN 2015078630W WO 2015172690 A1 WO2015172690 A1 WO 2015172690A1
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Prior art keywords
steel structure
fireproof
structure fireproof
coiled material
source
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Ceased
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PCT/CN2015/078630
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French (fr)
Chinese (zh)
Inventor
张建春
张璇璇
张安振
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Jingtan Albert (beijing) Technology Co Ltd
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Jingtan Albert (beijing) Technology Co Ltd
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Definitions

  • the invention belongs to the technical field of fireproof materials, in particular to a steel structure fireproof coil and a preparation method thereof.
  • steel structure buildings have become more and more popular due to their high strength, strong carrying capacity, light weight, convenient manufacturing and installation of components, beautiful structure, quick construction, good earthquake resistance and stability. It is widely used in various large-scale industrial plants and civil buildings.
  • the steel structure itself is a non-combustible material, its yield stress and tensile strength are sharply reduced by 50% to 60% when it is above 600 °C, so its fire resistance limit is only 15 minutes, which cannot meet the design fire limit requirements.
  • fireproof treatment must be carried out, the purpose of which is to increase the fire resistance limit of the steel structure to at least the limit specified by the design specifications.
  • the fire protection methods of steel structural members mainly include paint protection, fireproof board protection, concrete protection, inorganic fiber protection, and water cooling protection in the structure.
  • fire-retardant coatings for fire-retardant treatment of steel structures is a common measure.
  • Steel-based fire-retardant coatings are classified into solvent-based and water-based coatings depending on the dispersant used.
  • Solvent-based coatings have good hardness, gloss, water resistance and chemical resistance. However, they use organic solvents as dispersants, which will volatilize a lot during production and construction, pollute the environment, cause harm to the human body, and waste energy.
  • the safety hazard is large; the paint film has poor gas permeability and is hydrophobic.
  • Water-based paints use water as a solvent, which is environmentally friendly, safe, and convenient to use.
  • the coating has good gas permeability, and the water vapor inside the base layer can be diffused outward, but there are also disadvantages of water resistance and poor coating hardness.
  • the most important thing is that both water-based and solvent-based steel structure fireproof coatings have long construction period, need to be repeatedly painted, the process is complicated, the site construction is inconvenient, and there are waste liquid, exhaust gas and other pollution in the production, the thickness of the brush is difficult to apply. Mastering, resulting in uneven coating thickness, poor decorative, and serious construction losses.
  • the fireproof coils on the existing market are not suitable for the wrapping of steel structures and cannot meet the fireproof performance requirements of steel structures.
  • the invention provides a steel structure fireproof coil material, which can be continuously produced on a production line and processed into a coil of a required thickness at a time, has high production efficiency, simple equipment, safe and environmentally friendly production process, and does not exist.
  • Industrial pollution such as waste water and waste gas can be quickly applied on the surface of steel structure when used, and can be attached to the thickness of fireproof design at one time without multiple times. Repeated brushing, high work efficiency, simple process, environmentally friendly construction and convenience.
  • the steel structure fireproof coil has broad market prospects.
  • the steel structure fireproof coil material is composed of a polymer solid resin, an intumescent flame retardant, a dispersing aid and a reinforcing auxiliary agent, and is mixed, extruded, granulated, stretched into a sheet, and wound into a coil, and the expanded type
  • the flame retardant is composed of phosphate as an acid source, an amine compound as a gas source and a polyhydroxy compound as a carbon source.
  • the polymer solid resin is polypropylene, polyethylene, polyvinyl chloride, acrylic resin, ethylene-vinyl acetate copolymer, polyurethane, nylon, epoxy resin, polycarbonate, EPDM rubber, natural rubber or chloroprene. rubber.
  • the reinforcing agent is glass fiber, basalt fiber, polypropylene fiber, carbon fiber, ceramic fiber or polyethylene fiber.
  • the acid source of the intumescent flame retardant is ammonium polyphosphate, phosphate ester, ammonium phosphate;
  • the carbon source is pentaerythritol, dipentaerythritol, sucrose, starch, dextrin;
  • the gas source is melamine, urea, polyamide, dicyandiamide.
  • the dispersing aid is titanium dioxide.
  • the weight ratio of the phosphate, the amine compound, the polyhydroxy compound, the dispersing aid, the reinforcing auxiliary agent, and the high molecular solid resin is: 70-100:30-40:20-50:20-50:1:40 -50.
  • the weight ratio of the phosphate, the amine compound, the polyhydroxy compound, the dispersing aid, the reinforcing auxiliary agent, and the high molecular solid resin is: 100:30-40:40-50:20-30:1:40-50 .
  • the preparation method comprises the following steps:
  • the mixed granulation employs a screw extruder, and the calendered sheet is a press.
  • the above-mentioned steel structure fireproof coil is used in steel structure fireproofing, wood building fireproofing, metal panel fireproofing, wall fireproofing.
  • the invention relates to a steel structure fireproof coil material, which improves the raw materials, preparation process and coating form of the traditional paint, uses the polymer solid resin as the base material, adds the high-efficiency intumescent flame retardant and the dispersing aid, and enhances the assistance.
  • the fireproof coil material with high fireproof performance and excellent physical and chemical properties is prepared, and the production is safe and environmentally friendly, the loss is small, the process is simple, the construction efficiency is high, the decoration is good, and the function is protective. Strong and other advantages; and the fireproof coil can produce sheets of different thickness according to the requirements of fireproof design, and meet the fireproof design requirements of various conditions. It can replace the existing coatings applied to various steel structures for fire protection.
  • the fireproof coils will expand and block fire in case of fire, and will not cause defects such as falling off, cracks and deformation, which affect fire performance, and achieve high-efficiency fire protection.
  • the invention adopts a new raw material, a new process, a new technology to replace the traditional liquid paint, and prepares a steel structure fireproof coil material, which has the advantages of using a wide range of polymer solid resin as a matrix, and using a high-efficiency expansion flame retardant as a filler, by squeezing
  • the granulation and rolling forming are processed into coils of the required thickness at one time, the production efficiency is high, the equipment is simple, the production process is safe and environmentally friendly, and there is no industrial pollution such as waste water and exhaust gas; the corresponding thickness coil material can be produced according to the requirements of fire protection design. When used, it can be quickly applied on the surface of the steel structure, and can be attached to the thickness of the fireproof design at one time. It does not need to be repeatedly brushed, and the work efficiency is high, the process is simple, the construction is environmentally friendly, convenient, and can be rapidly expanded in the fire to achieve high-efficiency fire protection. .
  • EVA-based steel structure fireproof coil is prepared by winding a trimming machine, a winder, etc., and the cut scraps can be processed into pieces again by a calender. material.
  • EVA ethylene-vinyl acetate copolymer
  • the minimum thickness of the coil should be selected according to the fire protection design requirements and the relationship between the coating thickness and the fire prevention time in the table.

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  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Building Environments (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The present invention relates to a steel structure fireproof coiled material and a manufacturing method therefor and relates to the field of fireproof materials. The steel structure fireproof coiled material consists of a macromolecular solid resin, an intumescent flame retardant, a dispersing additive, and an enhancing additive and is manufactured via agitation, extrusion, granulation, calendaring into sheets, and coiling into the coiled material. The intumescent flame retardant consists of a phosphate as an acid source, an amine as a gas source, and a polyol as a carbon source. The steel structure fireproof coiled material of the present invention can be continuously produced on a production line, where the coiled material is processed into a required thickness in a single run, production efficiency is high, and equipment is simplified. The production process is safe, environmentally friendly, and free of industrial pollutions such as wastewater and exhaust gas. The fireproof coiled material can be manufactured into sheet materials of different thicknesses on the basis of fireproof design requirements, thus satisfying fireproof design requirements for different conditions. Rapid affixation onto the surface of a steel structure is allowed when used, the thickness as required by a fireproof design is achieved in a single affixation, and the need for repeated brushing is obviated, thus allowing for high work efficiency, a simple process, environmentally friendly construction, and convenience.

Description

钢结构防火卷材及其制备方法Steel structure fireproof coil and preparation method thereof 技术领域Technical field

本发明属于防火材料技术领域，尤其涉及一种钢结构防火卷材及其制备方法。The invention belongs to the technical field of fireproof materials, in particular to a steel structure fireproof coil and a preparation method thereof.

背景技术Background technique

随着我国经济建设的快速发展，钢结构建筑因其强度高、承载能力强、自质轻、构件制造与安装方便、结构美观、施工快捷、抗震性及稳定性好等优点，已经越来越多地应用于各类大空间工业厂房及民用建筑中。虽然钢结构本身为不燃烧材料，但其屈服应力和抗拉强度在600℃以上时急剧减少为原来的50％～60％，故其耐火极限仅为15min，无法满足设计耐火极限要求。要使钢结构材料在实际应用中克服防火方面的不足，必须进行防火处理，其目的就是将钢结构的耐火极限至少提高到设计规范规定的极限范围。钢结构构件的防火方法主要有涂料保护、防火板保护、混凝土保护、无机纤维保护、结构内通水冷却保护等。With the rapid development of China's economic construction, steel structure buildings have become more and more popular due to their high strength, strong carrying capacity, light weight, convenient manufacturing and installation of components, beautiful structure, quick construction, good earthquake resistance and stability. It is widely used in various large-scale industrial plants and civil buildings. Although the steel structure itself is a non-combustible material, its yield stress and tensile strength are sharply reduced by 50% to 60% when it is above 600 °C, so its fire resistance limit is only 15 minutes, which cannot meet the design fire limit requirements. In order to overcome the fire prevention deficiencies of steel structural materials in practical applications, fireproof treatment must be carried out, the purpose of which is to increase the fire resistance limit of the steel structure to at least the limit specified by the design specifications. The fire protection methods of steel structural members mainly include paint protection, fireproof board protection, concrete protection, inorganic fiber protection, and water cooling protection in the structure.

钢结构建筑采用防火涂料进行防火处理是目前普遍的措施，根据所使用分散剂的不同，钢结构防火涂料分为溶剂型与水性涂料。溶剂型涂料具有较好的硬度、光泽、耐水性、耐化学腐蚀性，但是其使用有机溶剂作为分散剂，在生产与施工过程中会大量挥发，污染环境，对人体产生危害，同时浪费能源、安全隐患大；漆膜的透气性差，又有疏水性，如在潮湿的基层上施工，容易产生起皮、脱落；随着时间的变长，涂层越来越坚硬，变得易碎，如墙体发生热胀冷缩的情况就会发生开裂。水性涂料以水为溶剂，具有环保、安全、作用方便的特点，涂层透气性比较好，基层内部的水蒸气可以向外扩散，但是也存在着耐水性能、涂层硬度差的缺点。最重要的是，无论是水性还是溶剂型钢结构防火涂料都存在着施工周期长，需多次重复涂刷，工序复杂，现场施工不方便，生产中存在废液、废气等污染，刷涂厚度难以掌握，导致涂层厚薄不均，装饰性差，施工损耗严重等缺点。The use of fire-retardant coatings for fire-retardant treatment of steel structures is a common measure. Steel-based fire-retardant coatings are classified into solvent-based and water-based coatings depending on the dispersant used. Solvent-based coatings have good hardness, gloss, water resistance and chemical resistance. However, they use organic solvents as dispersants, which will volatilize a lot during production and construction, pollute the environment, cause harm to the human body, and waste energy. The safety hazard is large; the paint film has poor gas permeability and is hydrophobic. If it is applied on a wet base layer, it is prone to peeling and falling off; as time goes on, the coating becomes harder and becomes brittle, such as Cracking occurs when the wall is inflated and contracted. Water-based paints use water as a solvent, which is environmentally friendly, safe, and convenient to use. The coating has good gas permeability, and the water vapor inside the base layer can be diffused outward, but there are also disadvantages of water resistance and poor coating hardness. The most important thing is that both water-based and solvent-based steel structure fireproof coatings have long construction period, need to be repeatedly painted, the process is complicated, the site construction is inconvenient, and there are waste liquid, exhaust gas and other pollution in the production, the thickness of the brush is difficult to apply. Mastering, resulting in uneven coating thickness, poor decorative, and serious construction losses.

现有市场上防火卷材均不适用于钢结构的包裹，不能满足钢结构防火性能的需求。The fireproof coils on the existing market are not suitable for the wrapping of steel structures and cannot meet the fireproof performance requirements of steel structures.

发明内容Summary of the invention

针对上述领域中的需求，本发明提供一种钢结构防火卷材，可以在生产线上连续化生产，一次加工成所需厚度的卷材，生产效率高、设备简单，生产过程安全环保，不存在废水、废气等工业污染，使用时能够在钢结构表面快速贴覆，一次性粘贴到防火设计厚度，无需多次 重复刷涂，工作效率高、工序简单、施工环保、方便。该钢结构防火卷材具有广阔的市场前景。The invention provides a steel structure fireproof coil material, which can be continuously produced on a production line and processed into a coil of a required thickness at a time, has high production efficiency, simple equipment, safe and environmentally friendly production process, and does not exist. Industrial pollution such as waste water and waste gas can be quickly applied on the surface of steel structure when used, and can be attached to the thickness of fireproof design at one time without multiple times. Repeated brushing, high work efficiency, simple process, environmentally friendly construction and convenience. The steel structure fireproof coil has broad market prospects.

钢结构防火卷材，由高分子固体树脂、膨胀型阻燃剂、分散助剂、增强助剂组成，经混和、挤出造粒、延压成片、收卷成卷材，所述膨胀型阻燃剂以磷酸盐为酸源、胺类化合物为气源和多羟基化合物为炭源组成。The steel structure fireproof coil material is composed of a polymer solid resin, an intumescent flame retardant, a dispersing aid and a reinforcing auxiliary agent, and is mixed, extruded, granulated, stretched into a sheet, and wound into a coil, and the expanded type The flame retardant is composed of phosphate as an acid source, an amine compound as a gas source and a polyhydroxy compound as a carbon source.

所述高分子固体树脂为聚丙烯、聚乙烯、聚氯乙烯、丙烯酸树脂、乙烯-醋酸乙烯共聚物、聚氨酯、尼龙、环氧树脂、聚碳酸酯、三元乙丙橡胶、天然橡胶或氯丁橡胶。The polymer solid resin is polypropylene, polyethylene, polyvinyl chloride, acrylic resin, ethylene-vinyl acetate copolymer, polyurethane, nylon, epoxy resin, polycarbonate, EPDM rubber, natural rubber or chloroprene. rubber.

所述增强剂为玻璃纤维、玄武岩纤维、聚丙烯纤维、碳纤维、陶瓷纤维或聚乙烯纤维。The reinforcing agent is glass fiber, basalt fiber, polypropylene fiber, carbon fiber, ceramic fiber or polyethylene fiber.

所述膨胀型阻燃剂的酸源为聚磷酸铵、磷酸酯、磷酸铵；炭源为季戊四醇、双季戊四醇、蔗糖、淀粉、糊精；气源为三聚氰胺、尿素、聚酰胺、双氰胺。The acid source of the intumescent flame retardant is ammonium polyphosphate, phosphate ester, ammonium phosphate; the carbon source is pentaerythritol, dipentaerythritol, sucrose, starch, dextrin; the gas source is melamine, urea, polyamide, dicyandiamide.

所述分散助剂为钛白粉。The dispersing aid is titanium dioxide.

所述磷酸盐、胺类化合物、多羟基化合物、分散助剂、增强助剂、高分子固体树脂的重量份比为：70-100：30-40：20-50：20-50：1：40-50。The weight ratio of the phosphate, the amine compound, the polyhydroxy compound, the dispersing aid, the reinforcing auxiliary agent, and the high molecular solid resin is: 70-100:30-40:20-50:20-50:1:40 -50.

所述磷酸盐、胺类化合物、多羟基化合物、分散助剂、增强助剂、高分子固体树脂的重量份比为：100：30-40：40-50：20-30：1：40-50。The weight ratio of the phosphate, the amine compound, the polyhydroxy compound, the dispersing aid, the reinforcing auxiliary agent, and the high molecular solid resin is: 100:30-40:40-50:20-30:1:40-50 .

其制备方法包括如下步骤：The preparation method comprises the following steps:

(1)以磷酸盐为酸源、多羟基化合物为炭源、胺类化合物为气源混合制备膨胀型阻燃剂；(1) preparing an intumescent flame retardant by using phosphate as an acid source, a polyhydroxy compound as a carbon source, and an amine compound as a gas source;

(2)膨胀型阻燃剂与增强助剂、分散助剂进行预混合处理；(2) pre-mixing treatment of the intumescent flame retardant with the reinforcing auxiliary agent and the dispersing auxiliary agent;

(3)将高分子树脂与预处理的粉体混合造粒，制备防火层颗粒；(3) mixing and polymerizing the polymer resin with the pretreated powder to prepare fireproof layer particles;

(4)将颗粒压延成防火层片材；(4) calendering the particles into a fire barrier sheet;

(5)对片材进行收卷，获得成品。(5) Winding the sheet to obtain the finished product.

所述混合造粒采用螺杆挤出机，所述压延成片材采用延压机。The mixed granulation employs a screw extruder, and the calendered sheet is a press.

上述钢结构防火卷材在钢结构防火、木质建筑防火、金属面板防火、墙体防火中的应用。The above-mentioned steel structure fireproof coil is used in steel structure fireproofing, wood building fireproofing, metal panel fireproofing, wall fireproofing.

本发明涉及的是一种钢结构防火卷材，改进了传统涂料的原料、制备工艺、涂料形态等，采用高分子固体树脂作为基体原料，添加高效膨胀型阻燃剂与分散助剂、增强助剂通过挤出造粒、延压成型的工艺，制备具有高效防火性能与优异理化性能的防火卷材，同时具有生产安全环保、损耗小、工序简单，施工效率高，装饰性好、功能防护性强等优点；并且该防火卷材可以根据防火设计要求，生产不同厚度的片材，满足各种不同条件的防火设计需求。可代替现有涂料应用于各种钢结构进行防火保护，该防火卷材在遇火时发生膨胀阻火，不会发生脱落、裂缝、形变等影响耐火性能的缺陷，达到高效防火保护作用。 The invention relates to a steel structure fireproof coil material, which improves the raw materials, preparation process and coating form of the traditional paint, uses the polymer solid resin as the base material, adds the high-efficiency intumescent flame retardant and the dispersing aid, and enhances the assistance. Through the process of extrusion granulation and extrusion molding, the fireproof coil material with high fireproof performance and excellent physical and chemical properties is prepared, and the production is safe and environmentally friendly, the loss is small, the process is simple, the construction efficiency is high, the decoration is good, and the function is protective. Strong and other advantages; and the fireproof coil can produce sheets of different thickness according to the requirements of fireproof design, and meet the fireproof design requirements of various conditions. It can replace the existing coatings applied to various steel structures for fire protection. The fireproof coils will expand and block fire in case of fire, and will not cause defects such as falling off, cracks and deformation, which affect fire performance, and achieve high-efficiency fire protection.

本发明的特点：Features of the invention:

本发明通过采用新原材料、新工艺、新技术代替传统液态涂料，制备了钢结构防火卷材，其优点在于采用来源广泛的高分子固体树脂作为基体，以高效膨胀阻燃剂作为填料，通过挤出造粒、延压成型一次加工成所需厚度的卷材，生产效率高、设备简单，生产过程安全环保，不存在废水、废气等工业污染；可根据防火设计需求，生产相应厚度卷材，使用时能够在钢结构表面快速贴覆，一次性粘贴到防火设计厚度，无需多次重复刷涂，工作效率高、工序简单、施工环保、方便，在火灾中能够迅速膨胀，达到高效防火保护作用。The invention adopts a new raw material, a new process, a new technology to replace the traditional liquid paint, and prepares a steel structure fireproof coil material, which has the advantages of using a wide range of polymer solid resin as a matrix, and using a high-efficiency expansion flame retardant as a filler, by squeezing The granulation and rolling forming are processed into coils of the required thickness at one time, the production efficiency is high, the equipment is simple, the production process is safe and environmentally friendly, and there is no industrial pollution such as waste water and exhaust gas; the corresponding thickness coil material can be produced according to the requirements of fire protection design. When used, it can be quickly applied on the surface of the steel structure, and can be attached to the thickness of the fireproof design at one time. It does not need to be repeatedly brushed, and the work efficiency is high, the process is simple, the construction is environmentally friendly, convenient, and can be rapidly expanded in the fire to achieve high-efficiency fire protection. .

具体实施方式detailed description

下面结合实施例对本发明做进一步的详细说明。The present invention will be further described in detail below with reference to the embodiments.

实施例1：Example 1:

将70份聚磷酸铵、30份聚酰胺、20份双季戊四醇、50份钛白粉、1份玻纤进行充分混合，将混合后的粉体与50份聚丙烯树脂进行混合，采用挤出机挤出造粒，将复合颗粒采用压延机进行压延成型，最后通过切边机、收卷机等收卷制备聚丙烯基钢结构防火卷材，切割边角料通过一道压延机可再次加工成片材。70 parts of ammonium polyphosphate, 30 parts of polyamide, 20 parts of dipentaerythritol, 50 parts of titanium dioxide, 1 part of glass fiber are thoroughly mixed, and the mixed powder is mixed with 50 parts of polypropylene resin, and extruded by an extruder. The granulation is carried out, and the composite granules are calendered by a calender. Finally, a polypropylene-based steel structure fireproof coil is prepared by winding a trimming machine, a winder, etc., and the cut scraps can be processed into a sheet again by a calender.

实施例2Example 2

将100份聚磷酸铵、40份三聚氰胺、45份双季戊四醇、20份钛白粉、1份聚丙烯纤维进行充分混合，将混合后的粉体与40份低密度聚乙烯树脂进行混合，采用挤出机挤出造粒，将复合颗粒采用压延机进行压延成型，最后通过切边机、收卷机等收卷制备聚乙烯基钢结构防火卷材，切割边角料通过一道压延机可再次加工成片材。100 parts of ammonium polyphosphate, 40 parts of melamine, 45 parts of dipentaerythritol, 20 parts of titanium dioxide, 1 part of polypropylene fiber are thoroughly mixed, and the mixed powder is mixed with 40 parts of low density polyethylene resin, and extruded. The machine extrudes and granulates, and the composite particles are calendered by a calender. Finally, a polyethylene-based steel structure fireproof coil is prepared by winding a trimming machine, a winder, etc., and the cutting scrap can be processed into a sheet again by a calender. .

实施例3Example 3

将100份聚磷酸铵、30份三聚氰胺、45份季戊四醇、30份钛白粉、1份玄武岩纤维进行充分混合，将混合后的粉体与40份丙烯酸酯树脂进行混合，采用挤出机挤出造粒，将复合颗粒采用压延机进行压延成型，最后通过切边机、收卷机等收卷制备丙烯酸酯基钢结构防火卷材，切割边角料通过一道压延机可再次加工成片材。100 parts of ammonium polyphosphate, 30 parts of melamine, 45 parts of pentaerythritol, 30 parts of titanium dioxide, 1 part of basalt fiber are thoroughly mixed, and the mixed powder is mixed with 40 parts of acrylate resin, and extruded by an extruder. The granules are calendered by a calender, and finally, the acrylate-based steel structure fireproof coil is prepared by winding a trimming machine, a winder, etc., and the cut scraps can be processed into a sheet again by a calender.

实施例4Example 4

将100份聚磷酸铵、40份三聚氰胺、45份淀粉、30份钛白粉、1份玻纤进行充分混合，将混合后的粉体与40份乙烯-醋酸乙烯共聚物(EVA)进行混合，采用挤出机挤出造粒，将复合颗粒采用压延机进行压延成型，最后通过切边机、收卷机等收卷制备EVA基钢结构防火卷材，切割边角料通过一道压延机可再次加工成片材。100 parts of ammonium polyphosphate, 40 parts of melamine, 45 parts of starch, 30 parts of titanium dioxide, and 1 part of glass fiber are thoroughly mixed, and the mixed powder is mixed with 40 parts of ethylene-vinyl acetate copolymer (EVA). The extruder extrudes the granules, and the composite granules are calendered by a calender. Finally, the EVA-based steel structure fireproof coil is prepared by winding a trimming machine, a winder, etc., and the cut scraps can be processed into pieces again by a calender. material.

实施例5 Example 5

将100份聚磷酸铵、40份尿素、45淀粉、30份钛白粉、1份玻纤进行充分混合，将混合后的粉体与40份乙烯-醋酸乙烯共聚物(EVA)进行混合，采用挤出机挤出造粒，将复合颗粒采用压延机进行压延成型，最后通过切边机、收卷机等收卷制备EVA基钢结构防火卷材，切割边角料通过一道压延机可再次加工成片材。100 parts of ammonium polyphosphate, 40 parts of urea, 45 starch, 30 parts of titanium dioxide, and 1 part of glass fiber are thoroughly mixed, and the mixed powder is mixed with 40 parts of ethylene-vinyl acetate copolymer (EVA) to be squeezed. Extrusion granulation is carried out, and the composite granules are calendered by calendering. Finally, the EVA base steel structure fireproof coil is prepared by winding a trimming machine, a winder, etc., and the cutting scrap can be processed into a sheet again by a calender. .

实验例1：钢结构防火卷材厚度与耐火时间的关系(实例5)Experimental Example 1: Relationship between thickness of steel structure fireproof coil and fire resistance time (Example 5)

钢结构防火涂料耐火性能检测按照GB14907-2002检测Fire resistance test of steel structure fireproof coating is tested according to GB14907-2002

表1卷材厚度与耐火时间关系Table 1 Relationship between coil thickness and fire resistance time

Figure PCTCN2015078630-appb-000001
Figure PCTCN2015078630-appb-000001

结论：不同的设计对钢结构防火有不同的时间要求，可以根据防火要求来选择、设计卷材的厚度。Conclusion: Different designs have different time requirements for steel structure fire protection, and the thickness of the coil can be selected and designed according to fire protection requirements.

实验例2钢结构防火卷材理化性能(实例5，2mm厚)Experimental Example 2 Physical and chemical properties of steel structure fireproof coil (Example 5, 2 mm thick)

按GB14907-2002检测Tested according to GB14907-2002

表2钢结构防火卷材理化性能Table 2 Physical and chemical properties of steel structure fireproof coil

Figure PCTCN2015078630-appb-000002
Figure PCTCN2015078630-appb-000002

Figure PCTCN2015078630-appb-000003
Figure PCTCN2015078630-appb-000003

结论：理化性能检测表明该卷材满足所规定的使用要求，同时能够耐紫外线、耐腐蚀等；Conclusion: Physical and chemical properties test shows that the coil meets the specified requirements, and is resistant to ultraviolet rays and corrosion.

满足防火要求要根据防火设计要求，和表中涂层厚度与防火时间的关系来选择卷材的最低厚度即可。 To meet the fire protection requirements, the minimum thickness of the coil should be selected according to the fire protection design requirements and the relationship between the coating thickness and the fire prevention time in the table.

Claims (10)

钢结构防火卷材，由高分子固体树脂、膨胀型阻燃剂、分散助剂、增强助剂组成，经混和、挤出造粒、延压成片，收卷成卷材而制成，所述膨胀型阻燃剂以磷酸盐为酸源、胺类化合物为气源和多羟基化合物为炭源组成。The steel structure fireproof coil is composed of a polymer solid resin, an intumescent flame retardant, a dispersing aid and a reinforcing auxiliary agent, and is prepared by mixing, extruding and granulating, stretching into a sheet, and winding into a coil. The intumescent flame retardant is composed of a phosphate source as an acid source, an amine compound as a gas source and a polyhydroxy compound as a carbon source. 根据权利要求1所述的钢结构防火卷材，所述高分子固体树脂为聚丙烯、聚乙烯、聚氯乙烯、丙烯酸树脂、乙烯-醋酸乙烯共聚物、聚氨酯、尼龙、环氧树脂、聚碳酸酯、三元乙丙橡胶、天然橡胶或氯丁橡胶。The steel structure fireproof coil according to claim 1, wherein the polymer solid resin is polypropylene, polyethylene, polyvinyl chloride, acrylic resin, ethylene-vinyl acetate copolymer, polyurethane, nylon, epoxy resin, polycarbonate Ester, EPDM rubber, natural rubber or neoprene. 根据权利要求1所述的钢结构防火卷材，所述增强剂为玻璃纤维、玄武岩纤维、聚丙烯纤维、碳纤维、陶瓷纤维或聚乙烯纤维。The steel structure fireproof coil according to claim 1, wherein the reinforcing agent is glass fiber, basalt fiber, polypropylene fiber, carbon fiber, ceramic fiber or polyethylene fiber. 根据权利要求1所述的钢结构防火卷材，所述膨胀型阻燃剂的酸源为聚磷酸铵、磷酸酯、磷酸铵；炭源为季戊四醇、双季戊四醇、蔗糖、淀粉、糊精；气源为三聚氰胺、尿素、聚酰胺、双氰胺。The steel structure fireproof coil material according to claim 1, wherein the acid source of the intumescent flame retardant is ammonium polyphosphate, phosphate ester, ammonium phosphate; the carbon source is pentaerythritol, dipentaerythritol, sucrose, starch, dextrin; The source is melamine, urea, polyamide, dicyandiamide. 根据权利要求1所述的钢结构防火卷材，所述分散助剂为钛白粉。The steel structure fireproof coil according to claim 1, wherein the dispersing aid is titanium white powder. 根据权利要求1所述的钢结构防火卷材，所述磷酸盐、胺类化合物、多羟基化合物、分散助剂、增强助剂、高分子固体树脂的重量份比为：70-100：30-40：20-50：20-50：1：40-50。The steel structure fireproof coil according to claim 1, wherein the ratio by weight of the phosphate, the amine compound, the polyhydroxy compound, the dispersing aid, the reinforcing auxiliary agent and the polymer solid resin is 70-100:30- 40:20-50:20-50:1:40-50. 根据权利要求6所述的钢结构防火卷材，所述磷酸盐、胺类化合物、多羟基化合物、分散助剂、增强助剂、高分子固体树脂的重量份比为：100：30-40：40-50：20-30：1：40-50。The steel structure fireproof coil according to claim 6, wherein the ratio by weight of the phosphate, the amine compound, the polyhydroxy compound, the dispersing aid, the reinforcing auxiliary agent and the polymer solid resin is 100:30-40: 40-50:20-30:1:40-50. 权利要求1-7任一所述的钢结构防火卷材的制备方法，包括如下步骤：The method for preparing a steel structure fireproof coil according to any one of claims 1 to 7, comprising the steps of: (1)以磷酸盐为酸源、多羟基化合物为炭源、胺类化合物为气源混合制备膨胀型阻燃剂；(1) preparing an intumescent flame retardant by using phosphate as an acid source, a polyhydroxy compound as a carbon source, and an amine compound as a gas source; (2)膨胀型阻燃剂与增强助剂、分散助剂进行预混合处理；(2) pre-mixing treatment of the intumescent flame retardant with the reinforcing auxiliary agent and the dispersing auxiliary agent; (3)将高分子树脂与预处理的粉体混合造粒，制备防火层颗粒；(3) mixing and polymerizing the polymer resin with the pretreated powder to prepare fireproof layer particles; (4)将颗粒压延成防火层片材；(4) calendering the particles into a fire barrier sheet; (5)对片材进行收卷，获得成品。(5) Winding the sheet to obtain the finished product. 根据权利要求8所述的钢结构防火卷材的制备方法，所述混合造粒采用螺杆挤出机，所述压延成片材采用延压机。The method for preparing a steel structure fireproof coil according to claim 8, wherein the mixed granulation employs a screw extruder, and the calendered sheet is a press. 权利要求1-7任一所述的钢结构防火卷材在钢结构防火、木质建筑防火、金属面板防火、墙体防火中的应用。 The steel structure fireproof coil according to any one of claims 1 to 7 for use in steel structure fire prevention, wood building fire prevention, metal panel fire prevention, wall fire prevention.
PCT/CN2015/078630 2014-05-15 2015-05-09 Steel structure fireproof coiled material and manufacturing method therefor Ceased WO2015172690A1 (en)

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