CN105694324A - Reflective thermal-insulation energy-saving outer wall plate for steel-structure buildings and manufacturing method of reflective thermal-insulation energy-saving outer wall plate - Google Patents
Reflective thermal-insulation energy-saving outer wall plate for steel-structure buildings and manufacturing method of reflective thermal-insulation energy-saving outer wall plate Download PDFInfo
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- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
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- E04C2/02—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials
- E04C2/26—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups
- E04C2/284—Building elements of relatively thin form for the construction of parts of buildings, e.g. sheet materials, slabs, or panels characterised by specified materials composed of materials covered by two or more of groups E04C2/04, E04C2/08, E04C2/10 or of materials covered by one of these groups with a material not specified in one of the groups at least one of the materials being insulating
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Abstract
本发明涉及一种钢结构建筑反射型隔热节能外墙板及其制造方法。提供的钢结构建筑反射型隔热节能外墙板由高反射太阳光材料层和隔热保温材料层压制而成，所述高反射太阳光材料层由中空陶瓷微米颗粒、纳米二氧化钛、纳米氧化锌、有机硅改性丙烯酸树脂和成膜助剂组成，所述隔热保温材料层由隔热骨料和粘合剂组成，所述隔热骨料为疏水膨胀珍珠岩、膨胀蛭石、废弃玻璃纤维、废弃陶瓷纤维、硅酸铝纤维中的一种或两种，所述粘合剂为环氧树脂和固化剂。本发明的制造方法简单、效率高，产品不仅具有质轻、防火、隔热保温好和抗老化强，而且能有效地折射和反射太阳热能和紫外线，隔绝热能的传导，真正做到冬暖夏凉，非常适合用于钢结构建筑的隔热节能外墙板。
The invention relates to a reflective heat-insulating and energy-saving exterior wall panel of a steel structure building and a manufacturing method thereof. The reflective heat-insulating and energy-saving exterior wall panels for steel structures are made of high-reflective sunlight material layers and heat-insulating material layers. , silicone modified acrylic resin and film-forming aids, the heat insulation material layer is composed of heat insulation aggregate and adhesive, the heat insulation aggregate is hydrophobic expanded perlite, expanded vermiculite, waste glass Fiber, waste ceramic fiber, aluminum silicate fiber or one or both, the binder is epoxy resin and curing agent. The manufacturing method of the present invention is simple and efficient, and the product not only has light weight, fire prevention, good heat insulation and strong anti-aging, but also can effectively refract and reflect solar heat and ultraviolet rays, isolate heat conduction, and truly achieve warm winter and summer Cool, very suitable for thermal insulation and energy-saving exterior wall panels for steel structure buildings.
Description
技术领域technical field
本发明涉及建筑材料领域，具体是涉及一种钢结构建筑反射型隔热节能外墙板。The invention relates to the field of building materials, in particular to a reflective heat-insulating and energy-saving exterior wall panel for a steel structure building.
背景技术Background technique
由于钢结构拥有绿色、循环利用、抗震性能好、重量轻、建筑工业化和装配化程度高等优点，大量采用钢结构是我国社会未来发展的必然趋势。Since steel structures have the advantages of greenness, recycling, good seismic performance, light weight, high degree of construction industrialization and assembly, the extensive use of steel structures is an inevitable trend in the future development of our society.
美国是最早采用钢结构建造住宅的国家和地区之一，鉴于经济性、安全性(抗震、防火)、耐久性和重复利用的综合考虑，以及可以工厂化制作和现场安装，更加绿色环保，越来越多的房屋开发商转而经营钢结构住宅，钢结构住宅的价值得到普遍认可。The United States is one of the first countries and regions to use steel structures to build houses. In view of the comprehensive consideration of economy, safety (earthquake resistance, fire prevention), durability and reuse, as well as factory production and on-site installation, it is more green and environmentally friendly. More and more housing developers have turned to steel structure housing, and the value of steel structure housing has been generally recognized.
目前，中国是世界上年新建建筑量最大的国家，每年20亿平方米新建面积会消耗全世界40%的水泥和钢材，混泥土结构住宅70年后就会成为建筑垃圾。当前我国钢结构建筑大多是公共建筑，然而国家正在大力推动绿色建筑发展，加上近年钢铁产量供过于求，使得钢结构绿色节能住宅建筑迎来发展的春天。At present, China is the country with the largest amount of new buildings in the world. The 2 billion square meters of new construction area every year will consume 40% of the world's cement and steel. Concrete structures will become construction waste after 70 years. At present, most of the steel structure buildings in my country are public buildings. However, the country is vigorously promoting the development of green buildings. In addition, the oversupply of steel production in recent years has made steel structure green and energy-saving residential buildings usher in the spring of development.
虽然钢结构建筑拥有众多优点，但是作为墙体的高导热钢材很容易传递室内外热量，进而增加建筑能耗。夏季时，太阳光热量通过钢结构墙体传递到室内，房间温度升高；冬季时，室内热量通过墙体传递到室外，房间温度降低。为了解决钢结构建筑这个缺陷，通常采取以下措施：1）外墙安装石棉板、矿棉板、石膏板或聚苯泡沫板等，优点是隔热效果好，但不环保；2）外墙安装珍珠岩保温板或真空隔热板，优点是质量轻，但隔热效果不好；3)外墙安装保温板并涂刷隔热涂料，优点是隔热保温效果好，但需要采取先做保温层再做隔热层的多层施工方式。Although steel structure buildings have many advantages, the high thermal conductivity steel used as walls can easily transfer indoor and outdoor heat, thereby increasing building energy consumption. In summer, the heat of sunlight is transferred to the room through the steel structure wall, and the room temperature rises; in winter, the indoor heat is transferred to the outside through the wall, and the room temperature decreases. In order to solve this defect of steel structure buildings, the following measures are usually taken: 1) Asbestos boards, mineral wool boards, gypsum boards or polystyrene foam boards are installed on the outer walls, which have the advantage of good heat insulation effect, but are not environmentally friendly; 2) Installed on the outer walls Perlite insulation board or vacuum insulation board has the advantage of light weight, but the heat insulation effect is not good; 3) The insulation board is installed on the outer wall and painted with heat insulation paint, the advantage is that the heat insulation effect is good, but it needs to be done first. Layer and then do the multi-layer construction method of insulation layer.
发明内容Contents of the invention
本发明的目的是克服现有技术中的不足，提供一种生产工艺简单、隔热和保温效果理想、环保的钢结构建筑反射型隔热节能外墙板，该外墙板安装于钢结构建筑外表面，能有效地折射和反射太阳热能和紫外线，隔绝热能的传导，减少建筑物的能耗，创造更为舒适的居住环境。The purpose of the present invention is to overcome the deficiencies in the prior art and provide a reflective heat-insulating and energy-saving exterior wall panel for steel structure buildings with simple production process, ideal heat insulation and heat preservation effects, and environmental protection. The exterior wall panel is installed in steel structure buildings. The outer surface can effectively refract and reflect solar heat and ultraviolet rays, insulate the conduction of heat energy, reduce the energy consumption of buildings, and create a more comfortable living environment.
为实现上述目的，本发明采用的技术方案是：钢结构建筑反射型隔热节能外墙板由高反射太阳光材料层和隔热保温材料层压制而成，所述高反射太阳光材料层由中空陶瓷微米颗粒、纳米二氧化钛、纳米氧化锌、有机硅改性丙烯酸树脂和成膜助剂组成，所述隔热保温材料层由隔热骨料和粘合剂组成。In order to achieve the above object, the technical solution adopted by the present invention is: the reflective heat-insulating energy-saving exterior wall panel of a steel structure building is formed by pressing a high-reflective sunlight material layer and a heat-insulation material layer, and the high-reflective sunlight material layer is made of It is composed of hollow ceramic micron particles, nano titanium dioxide, nano zinc oxide, organic silicon modified acrylic resin and film-forming aids, and the heat insulation material layer is composed of heat insulation aggregate and adhesive.
所述中空陶瓷微米颗粒的制备方法包括以下步骤：The preparation method of the hollow ceramic micro-particles comprises the following steps:
1）按重量份的原料组成，将铝粉20～30份、微硅粉10～20份和环氧树脂1～2份放入球磨机中球磨4～6小时后出料，经烘干、碳化（200～300℃）、粉碎制成团聚粉；1) According to the composition of raw materials in parts by weight, put 20-30 parts of aluminum powder, 10-20 parts of micro-silicon powder and 1-2 parts of epoxy resin into a ball mill for 4-6 hours, then discharge the material, dry and carbonize (200～300℃), pulverized into agglomerated powder;
2）采用高能火焰喷枪熔射团聚粉，以氧气为送粉气，送粉量约为10～15克/分钟，氧气与乙炔组成氧乙炔喷射火焰，氧气和乙炔压力分别为0.5～0.8MPa和0.11～0.18MPa，淬熄距离为300～600mm，以蒸馏水为冷却介质进行淬熄，获得淬熄产物，烘干过滤后得到中空陶瓷微米颗粒，粒径在10～100μm之间。2) Use a high-energy flame spray gun to melt-spray the agglomerated powder, use oxygen as the powder-feeding gas, and the powder-feeding rate is about 10-15 g/min. Oxygen and acetylene form an oxyacetylene jet flame, and the pressures of oxygen and acetylene are 0.5-0.8 MPa and 0.11-0.18MPa, the quenching distance is 300-600mm, the quenching is carried out with distilled water as the cooling medium, and the quenching product is obtained. After drying and filtering, hollow ceramic micron particles are obtained, and the particle size is between 10-100μm.
所述高反射太阳光材料层各组分原料的重量份配比是：中空陶瓷微米颗粒2～3份、纳米二氧化钛4～6份、纳米氧化锌2～3份、有机硅改性丙烯酸树脂2～3份和成膜助剂0.1～0.2份。The weight ratio of each component raw material of the high reflective sunlight material layer is: 2-3 parts of hollow ceramic micron particles, 4-6 parts of nano-titanium dioxide, 2-3 parts of nano-zinc oxide, 2 parts of organic silicon modified acrylic resin ～3 parts and 0.1～0.2 parts of coalescence aid.
所述隔热骨料为疏水膨胀珍珠岩、膨胀蛭石、废弃玻璃纤维、废弃陶瓷纤维、硅酸铝纤维中的一种或两种。The thermal insulation aggregate is one or two of hydrophobic expanded perlite, expanded vermiculite, waste glass fiber, waste ceramic fiber and aluminum silicate fiber.
所述粘合剂各组分原料的重量份配比是：环氧树脂5～10份、工业酒精5～10份和固化剂0.1～0.2份。The ratio by weight of each component raw material of the adhesive is: 5-10 parts of epoxy resin, 5-10 parts of industrial alcohol and 0.1-0.2 parts of curing agent.
所述隔热保温材料层原料的重量份配比是：隔热骨料20～50份和粘合剂10～20份。The weight ratio of the raw materials of the thermal insulation material layer is: 20-50 parts of thermal insulation aggregate and 10-20 parts of adhesive.
所述钢结构建筑反射型隔热节能外墙板的制备方法包括下述步骤：The preparation method of the reflective heat-insulating and energy-saving exterior wall panels for steel structures comprises the following steps:
1）、按重量份的原料组成，将中空陶瓷微米颗粒2～3份、纳米二氧化钛4～6份、纳米氧化锌2～3份、有机硅改性丙烯酸树脂2～3份和成膜助剂0.1～0.2份搅拌混合后平铺于模腔底部，以完全覆盖模腔底部为宜，即为高反射太阳光材料层；1) According to the composition of raw materials by weight, 2-3 parts of hollow ceramic micro-particles, 4-6 parts of nano-titanium dioxide, 2-3 parts of nano-zinc oxide, 2-3 parts of silicone modified acrylic resin and film-forming aids 0.1 to 0.2 parts are stirred and mixed and spread on the bottom of the mold cavity, preferably to completely cover the bottom of the mold cavity, which is the high reflective sunlight material layer;
2）、按重量份的原料组成，将隔热骨料20～50份和粘合剂10～20份搅拌混合后灌入铺有高反射太阳光材料层的模腔内，以装满为宜；2) According to the composition of raw materials in parts by weight, stir and mix 20-50 parts of thermal insulation aggregate and 10-20 parts of adhesive, and pour them into the mold cavity covered with high-reflective sunlight material layer, preferably full ;
3）、在压缩比为1.25～2.5，室温条件下加压成型，保压0.5～1h，从模具中取出，40～70℃烘干，即得钢结构建筑反射型隔热节能外墙板。3) Press molding at room temperature with a compression ratio of 1.25 to 2.5, hold the pressure for 0.5 to 1 hour, take it out from the mold, and dry it at 40 to 70°C to obtain reflective heat-insulating and energy-saving exterior wall panels for steel structures.
本发明与现有保温外墙板及制备方法相比具有以下有益效果：Compared with the existing thermal insulation exterior wall panels and their preparation methods, the present invention has the following beneficial effects:
（1）与现有有机保温外墙板相比，本发明产品具有环保、防火、强度高和耐老化等众多优点；(1) Compared with the existing organic thermal insulation exterior wall panels, the product of the present invention has many advantages such as environmental protection, fire prevention, high strength and aging resistance;
（2）与现有无机保温外墙板相比，本发明产品具有质轻、导热系数低、隔热保温效果好、太阳光折射和反射效率高等多种优势；(2) Compared with the existing inorganic thermal insulation external wall panels, the product of the present invention has various advantages such as light weight, low thermal conductivity, good thermal insulation effect, and high sunlight refraction and reflection efficiency;
（3）与现有保温外墙板相比，本发明产品能将照射在板材表面的太阳光90%反射回去，减少太阳光热量向板内传递；(3) Compared with the existing thermal insulation exterior wall panels, the product of the present invention can reflect back 90% of the sunlight irradiated on the surface of the panel, reducing the transfer of sunlight heat to the panel;
（4）与现有保温外墙板相比，本发明一步加压制备表面带有高反射太阳光的中空陶瓷微米颗粒和纳米二氧化钛的反射型隔热保温外墙板，制造方法简单，隔热保温效果优异；(4) Compared with the existing heat-insulation exterior wall panels, the present invention prepares reflective heat-insulation exterior wall panels with hollow ceramic micro-particles and nano-titanium dioxide with highly reflective sunlight on the surface in one step of pressure. The manufacturing method is simple and the heat insulation Excellent heat preservation effect;
（5）与现有保温外墙板相比，本发明产品高反射太阳光材料层含有纳米二氧化钛和纳米氧化锌，吸收紫外线的能力强，有效阻止了紫外线对板材中粘合剂的破坏和室内外人体皮肤的伤害。(5) Compared with the existing thermal insulation external wall panels, the high reflective sunlight material layer of the product of the present invention contains nano-titanium dioxide and nano-zinc oxide, which has a strong ability to absorb ultraviolet rays, effectively preventing ultraviolet rays from damaging the adhesive in the board and preventing indoor and outdoor damage. Injury to human skin.
附图说明Description of drawings
为了使本发明的目的、技术方案和有益效果更加清楚，本发明提供如下附图进行说明：图1为实施例钢结构建筑反射型隔热节能外墙板的横截面示意图，图中1为隔热保温层，2为太阳光反射层。In order to make the object, technical solution and beneficial effect of the present invention clearer, the present invention provides the following drawings for illustration: Fig. 1 is a schematic cross-sectional view of a reflective heat-insulating and energy-saving exterior wall panel for a steel structure building in an embodiment, and 1 in the figure is an insulation Thermal insulation layer, 2 is sunlight reflection layer.
具体实施方式detailed description
下面结合附图和实施例对本发明进一步说明。The present invention will be further described below in conjunction with the accompanying drawings and embodiments.
如图1所示，钢结构建筑反射型隔热节能外墙板，包括高反射太阳光材料层和隔热保温材料层，所述高反射太阳光材料层由中空陶瓷微米颗粒、纳米二氧化钛、纳米氧化锌、有机硅改性丙烯酸树脂和成膜助剂组成，所述隔热保温材料层由隔热骨料和粘合剂组成。As shown in Figure 1, the reflective heat-insulating and energy-saving exterior wall panels for steel structure buildings include a high-reflecting sunlight material layer and a heat-insulating material layer. The high-reflecting sunlight material layer is made of hollow ceramic micron particles, nano Zinc oxide, organosilicon modified acrylic resin and film-forming aids, and the thermal insulation material layer is composed of thermal insulation aggregate and adhesive.
所述中空陶瓷微米颗粒的制备方法步骤如下：The steps of the preparation method of the hollow ceramic micro-particles are as follows:
1）按重量份的原料组成，将铝粉20份、微硅粉10份和环氧树脂1份放入球磨机中球磨4小时后出料，经烘干、碳化（200℃）、粉碎制成团聚粉；1) According to the composition of raw materials in parts by weight, put 20 parts of aluminum powder, 10 parts of micro-silicon powder and 1 part of epoxy resin into a ball mill for 4 hours, then discharge the material, dry, carbonize (200 ° C), and pulverize. agglomeration powder;
2）采用高能火焰喷枪熔射团聚粉，以氧气为送粉气，送粉量约为10克/分钟，氧气与乙炔组成氧乙炔喷射火焰，氧气和乙炔压力分别为0.6MPa和0.13MPa，淬熄距离为400mm，以蒸馏水为冷却介质进行淬熄，获得淬熄产物，烘干过滤后得到中空陶瓷微米颗粒，粒径在50～70μm之间。2) Use a high-energy flame spray gun to melt-spray the agglomerated powder, use oxygen as the powder feeding gas, and the powder feeding rate is about 10 g/min. Oxygen and acetylene form an oxyacetylene jet flame. The pressure of oxygen and acetylene is 0.6MPa and 0.13MPa respectively. The quenching distance is 400mm, quenching is carried out with distilled water as the cooling medium, and the quenched product is obtained. After drying and filtering, hollow ceramic micron particles are obtained, and the particle size is between 50 and 70 μm.
实施例一：Embodiment one:
本实施例制备钢结构建筑反射型隔热节能外墙板的方法，包括以下步骤：In this embodiment, the method for preparing a reflective heat-insulating and energy-saving exterior wall panel for a steel structure building includes the following steps:
（1）、按重量份的原料组成，将中空陶瓷微米颗粒2份、纳米二氧化钛4份、纳米氧化锌2份、有机硅改性丙烯酸树脂2份和成膜助剂0.1份搅拌混合后平铺于模腔底部，以完全覆盖模腔底部为宜，即为高反射太阳光材料层；(1) According to the composition of raw materials in parts by weight, 2 parts of hollow ceramic micro-particles, 4 parts of nano-titanium dioxide, 2 parts of nano-zinc oxide, 2 parts of silicone-modified acrylic resin and 0.1 part of film-forming aid are stirred and mixed before spreading At the bottom of the mold cavity, it is advisable to completely cover the bottom of the mold cavity, that is, a layer of highly reflective sunlight material;
（2）、按重量份的原料组成，将疏水膨胀珍珠岩30份、环氧树脂5份、工业酒精6份和固化剂0.1份搅拌混合后灌入铺有高反射太阳光材料层的模腔内，以装满为宜；(2) According to the composition of raw materials in parts by weight, mix 30 parts of hydrophobic expanded perlite, 5 parts of epoxy resin, 6 parts of industrial alcohol and 0.1 part of curing agent and pour them into the mold cavity covered with a layer of high-reflective sunlight material It is advisable to fill it up;
（3）、在压缩比为1.8，室温条件下加压成型，保压0.5h，从模具中取出，50℃烘干，即得钢结构建筑反射型隔热节能外墙板。(3) Press molding at room temperature with a compression ratio of 1.8, keep the pressure for 0.5h, take it out from the mold, and dry it at 50°C to obtain a reflective heat-insulating and energy-saving exterior wall panel for a steel structure building.
所得钢结构建筑反射型隔热节能外墙板表观密度为330Kg/m3、导热系数0.046W/(m·K)、抗压强度1.2MPa、太阳光反射率92%。The obtained reflective heat-insulating and energy-saving exterior wall panels for steel structures have an apparent density of 330Kg/m 3 , a thermal conductivity of 0.046W/(m·K), a compressive strength of 1.2MPa, and a solar reflectance of 92%.
实施例二：Embodiment two:
本实施例制备钢结构建筑反射型隔热节能外墙板的方法，包括以下步骤：In this embodiment, the method for preparing a reflective heat-insulating and energy-saving exterior wall panel for a steel structure building includes the following steps:
（1）、按重量份的原料组成，将中空陶瓷微米颗粒3份、纳米二氧化钛6份、纳米氧化锌3份、有机硅改性丙烯酸树脂3份和成膜助剂0.2份搅拌混合后平铺于模腔底部，以完全覆盖模腔底部为宜，即为高反射太阳光材料层；(1) According to the composition of raw materials by weight, 3 parts of hollow ceramic micro-particles, 6 parts of nano-titanium dioxide, 3 parts of nano-zinc oxide, 3 parts of silicone-modified acrylic resin and 0.2 parts of film-forming aids are mixed and then spread flat At the bottom of the mold cavity, it is advisable to completely cover the bottom of the mold cavity, that is, a layer of highly reflective sunlight material;
（2）、按重量份的原料组成，将疏水膨胀珍珠岩50份、环氧树脂8份、工业酒精10份和固化剂0.2份搅拌混合后灌入铺有高反射太阳光材料层的模腔内，以装满为宜；(2) According to the composition of raw materials in parts by weight, mix 50 parts of hydrophobic expanded perlite, 8 parts of epoxy resin, 10 parts of industrial alcohol and 0.2 parts of curing agent and pour them into the mold cavity covered with a layer of high-reflective sunlight material It is advisable to fill it up;
（3）、在压缩比为1.8，室温条件下加压成型，保压0.5h，从模具中取出，50℃烘干，即得钢结构建筑反射型隔热节能外墙板。(3) Press molding at room temperature with a compression ratio of 1.8, keep the pressure for 0.5h, take it out from the mold, and dry it at 50°C to obtain a reflective heat-insulating and energy-saving exterior wall panel for a steel structure building.
所得钢结构建筑反射型隔热节能外墙板表观密度为310Kg/m3、导热系数0.049W/(m·K)、抗压强度1.1MPa、太阳光反射率91%。The obtained reflective heat-insulating and energy-saving exterior wall panels for steel structures have an apparent density of 310Kg/m 3 , a thermal conductivity of 0.049W/(m·K), a compressive strength of 1.1MPa, and a solar reflectance of 91%.
实施例三：Embodiment three:
本实施例制备钢结构建筑反射型隔热节能外墙板的方法，包括以下步骤：In this embodiment, the method for preparing a reflective heat-insulating and energy-saving exterior wall panel for a steel structure building includes the following steps:
（1）、按重量份的原料组成，将中空陶瓷微米颗粒3份、纳米二氧化钛4份、纳米氧化锌2份、有机硅改性丙烯酸树脂2份和成膜助剂0.1份搅拌混合后平铺于模腔底部，以完全覆盖模腔底部为宜，即为高反射太阳光材料层；(1) According to the composition of raw materials by weight, 3 parts of hollow ceramic micro-particles, 4 parts of nano-titanium dioxide, 2 parts of nano-zinc oxide, 2 parts of silicone-modified acrylic resin and 0.1 part of film-forming aid are stirred and mixed, and then spread flat At the bottom of the mold cavity, it is advisable to completely cover the bottom of the mold cavity, that is, a layer of highly reflective sunlight material;
（2）、按重量份的原料组成，将疏水膨胀珍珠岩20份、废弃玻璃纤维20份、环氧树脂5份、工业酒精10份和固化剂0.15份搅拌混合后灌入铺有高反射太阳光材料层的模腔内，以装满为宜；(2) According to the composition of raw materials by weight, 20 parts of hydrophobic expanded perlite, 20 parts of waste glass fiber, 5 parts of epoxy resin, 10 parts of industrial alcohol and 0.15 parts of curing agent are stirred and mixed, and then poured into the high-reflection sun It is advisable to fill the mold cavity of the optical material layer;
（3）、在压缩比为2.1，室温条件下加压成型，保压0.5h，从模具中取出，50℃烘干，即得钢结构建筑反射型隔热节能外墙板。(3) Press molding at room temperature with a compression ratio of 2.1, hold the pressure for 0.5 hours, take it out from the mold, and dry it at 50°C to obtain a reflective heat-insulating and energy-saving exterior wall panel for a steel structure building.
所得钢结构建筑反射型隔热节能外墙板表观密度为350Kg/m3、导热系数0.043W/(m·K)、抗压强度1.3MPa、太阳光反射率90%。The obtained reflective heat-insulating and energy-saving exterior wall panels for steel structures have an apparent density of 350Kg/m 3 , a thermal conductivity of 0.043W/(m·K), a compressive strength of 1.3MPa, and a solar reflectance of 90%.
以上实施方式仅用于说明本发明，而并非对本发明的限制，有关技术领域的普通技术人员，在不脱离本发明的精神和范围的情况下，还可以做出各种变化和变型，因此所有等同的技术方案也属于本发明的范畴，本发明的专利保护范围应由权利要求限定。The above embodiments are only used to illustrate the present invention, but not to limit the present invention. Those of ordinary skill in the relevant technical field can make various changes and modifications without departing from the spirit and scope of the present invention. Therefore, all Equivalent technical solutions also belong to the category of the present invention, and the scope of patent protection of the present invention should be defined by the claims.
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Application publication date: 20160622 |
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| RJ01 | Rejection of invention patent application after publication |