CN102603252B - Jetting type foaming inorganic light energy-saving material - Google Patents
Jetting type foaming inorganic light energy-saving material Download PDFInfo
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- Porous Artificial Stone Or Porous Ceramic Products (AREA)
Abstract
本发明提供了一种喷射型发泡无机轻质节能材料，由水泥、硅灰、石灰、石膏、纤维、纤维素醚、胶粉、蛋白发泡剂及铝粉组成，各组分的质量比为：水泥50～70％、硅灰5～20％、石灰5～20％、石膏1～5％、纤维0.1～1％、纤维素醚0.1～1％、胶粉0.5～3％、蛋白发泡剂2～8％、铝粉0.02～0.1％。本发明提供的喷射型发泡无机轻质节能材料抗燃性好，并且能够解决目前涂抹型保温浆料施工速度慢，人工占用比高，多次施工复杂等缺点。The invention provides a spray-type foaming inorganic lightweight energy-saving material, which is composed of cement, silica fume, lime, gypsum, fiber, cellulose ether, rubber powder, protein foaming agent and aluminum powder. The mass ratio of each component is For: cement 50-70%, silica fume 5-20%, lime 5-20%, gypsum 1-5%, fiber 0.1-1%, cellulose ether 0.1-1%, rubber powder 0.5-3%, protein hair Foaming agent 2-8%, aluminum powder 0.02-0.1%. The spray-type foaming inorganic light-weight energy-saving material provided by the invention has good flame resistance, and can solve the shortcomings of the current smear-type thermal insulation slurry, such as slow construction speed, high manual occupation ratio, and complicated multiple constructions.
Description
技术领域 technical field
本发明涉及一种现场喷射型发泡无机轻质节能材料，属于建筑材料领域。The invention relates to an on-site injection foaming inorganic lightweight energy-saving material, which belongs to the field of building materials.
背景技术 Background technique
保温隔热材料与制品是影响建筑节能一个重要的影响因素，建筑保温材料的研制与应用越来越受到世界各国的普遍重视。国外普遍重视保温材料的生产和在建筑中的应用，力求大幅度减少能源的消耗量，从而减少环境污染和温室效应。国外保温材料工业已经有很长的历史，建筑节能用保温材料占绝大多数，而新型保温材料也正在不断地涌现，到目前为止已形成了品种比较齐全的产业。但保温材料的广泛使用尚存在一定的技术难点，如有机保温材料的易燃问题、无机保温材料保温性能差、抗冻性差的问题等，严重制约了保温材料的有效使用。特别是在严格要求保温材料防火问题的前提下，大幅提高无机保温材料的保温隔热性能，开发节能65％要求的无机高效节能材料是该行业内急需解决的一个难题。Thermal insulation materials and products are an important factor affecting building energy conservation. The development and application of building thermal insulation materials have attracted more and more attention from all over the world. Foreign countries generally pay attention to the production of thermal insulation materials and their application in construction, and strive to greatly reduce energy consumption, thereby reducing environmental pollution and greenhouse effect. The thermal insulation material industry in foreign countries has a long history, and the thermal insulation materials used for building energy conservation account for the vast majority, while new thermal insulation materials are constantly emerging, and an industry with a relatively complete variety has been formed so far. However, there are still some technical difficulties in the widespread use of thermal insulation materials, such as the flammability of organic thermal insulation materials, poor thermal insulation performance and poor frost resistance of inorganic thermal insulation materials, which seriously restrict the effective use of thermal insulation materials. Especially under the premise of strict requirements on the fire prevention of thermal insulation materials, it is an urgent problem in this industry to greatly improve the thermal insulation performance of inorganic thermal insulation materials and develop inorganic high-efficiency energy-saving materials that require 65% energy saving.
浆体保温材料是无机保温材料的重要组成部分，目前使用的主要包括玻化微珠保温砂浆、聚苯颗粒保温砂浆、发泡水泥等，用于外墙内保温，也可用于隔墙和分户墙的保温隔热，如性能允许还可用于外墙外保温。但这些保温材料均面临着需要多次施工才能满足要求标准的问题，增加了人工成本和质量隐患。目前的浆体材料有二种类型，一种是以胶凝材料为主的固化型，一种是以水分蒸发为主的干燥型。这两种类型的材料在使用时均以浆体形态抹在基层上。浆体保温材料的施工工艺均为涂抹，需要大量的人工成本和较高的施工水平。Slurry thermal insulation materials are an important part of inorganic thermal insulation materials. At present, the main materials used include vitrified microbead thermal insulation mortar, polystyrene particle thermal insulation mortar, foamed cement, etc., which are used for internal thermal insulation of external walls, and can also be used for partition walls and partitions. Thermal insulation of household walls, if performance permits, it can also be used for external thermal insulation of external walls. However, these insulation materials are faced with the problem that multiple constructions are required to meet the required standards, which increases labor costs and hidden quality risks. At present, there are two types of slurry materials, one is the curing type based on gelling materials, and the other is the drying type based on water evaporation. Both types of materials are applied in the form of paste on the base layer when used. The construction process of slurry thermal insulation materials is smearing, which requires a lot of labor costs and a high level of construction.
发明内容 Contents of the invention
本发明提供了一种喷射型发泡无机轻质节能材料，解决了上述背景技术中施工速度慢，人工占用比高，多次施工复杂等缺点。The invention provides a spray-type foaming inorganic light-weight energy-saving material, which solves the disadvantages of slow construction speed, high labor occupation ratio, and complicated multiple constructions in the above-mentioned background technology.
实现本发明上述目的所采用的技术方案为：The technical scheme adopted to realize the above-mentioned purpose of the present invention is:
一种喷射型发泡无机轻质节能材料，该无机轻质节能材料由水泥、硅灰、石灰、石膏、纤维、纤维素醚、胶粉、蛋白发泡剂及铝粉组成，各组分的质量比为：水泥50～70％、硅灰5～20％、石灰5～20％、石膏1～5％、纤维0.1～1％、纤维素醚0.1～1％、胶粉0.5～3％、蛋白发泡剂2～8％、铝粉0.02～0.1％。A spray-type foaming inorganic lightweight energy-saving material, the inorganic lightweight energy-saving material is composed of cement, silica fume, lime, gypsum, fiber, cellulose ether, rubber powder, protein foaming agent and aluminum powder, each component The mass ratio is: cement 50-70%, silica fume 5-20%, lime 5-20%, gypsum 1-5%, fiber 0.1-1%, cellulose ether 0.1-1%, rubber powder 0.5-3%, Protein foaming agent 2-8%, aluminum powder 0.02-0.1%.
所述的水泥由硅酸盐水泥和硫铝酸盐水泥混合而成，其中硅酸盐水泥占水泥总质量的10～60％，硫铝酸盐水泥占水泥总质量的40～90％，硅酸盐水泥和硫铝酸盐水泥的强度等级均为42.5。The cement is formed by mixing Portland cement and sulphoaluminate cement, wherein Portland cement accounts for 10-60% of the total mass of cement, sulphoaluminate cement accounts for 40-90% of the total mass of cement, silicate Both salt cement and sulphoaluminate cement have a strength grade of 42.5.
所述的硅灰中SiO2含量大于75％。硅灰的比表面积为20～28m2/g。The SiO2 content in the silica fume is greater than 75%. The specific surface area of silica fume is 20-28m 2 /g.
所述的纤维为木纤维或化学纤维或两者的混合物。The fibers are wood fibers or chemical fibers or a mixture of the two.
所述的纤维由长度为3～5.9mm的纤维和长度为6～9mm的纤维的混合组成，两者的比例为1∶2～4。The fibers are composed of fibers with a length of 3-5.9 mm and fibers with a length of 6-9 mm, and the ratio of the two is 1:2-4.
所述的纤维素醚为甲基纤维素醚、羧甲基纤维素醚、羧丙基甲基纤维素醚或羧己基纤维素醚中的一种以上。The cellulose ether is more than one of methyl cellulose ether, carboxymethyl cellulose ether, carboxypropyl methyl cellulose ether or carboxyhexyl cellulose ether.
所述的胶粉为EVA胶粉或环氧胶粉。The rubber powder is EVA rubber powder or epoxy rubber powder.
所述的蛋白发泡剂为茶皂素发泡剂或动物蹄角发泡剂。The protein foaming agent is tea saponin foaming agent or animal hoof horn foaming agent.
所述的铝粉为带脂干铝粉或铝粉膏。The aluminum powder is fat dry aluminum powder or aluminum powder paste.
本发明提供的喷射型发泡无机轻质节能材料有以下优点：1.采用了复合水泥和石灰，可以缩短浆体稠化时间，使发泡剂和铝粉所发出的气泡能够充分保持，从而保证该材料的保温性能；2.物理、化学两种发泡剂同时使用，有利于提高浆料的保温隔热性能；3.所有的原材料均为无机材料，最终产品不燃，可很好满足现有保温隔热材料防火的要求。The spray-type foaming inorganic light-weight energy-saving material provided by the present invention has the following advantages: 1. Adopting composite cement and lime can shorten the thickening time of the slurry, so that the bubbles sent by the foaming agent and aluminum powder can be fully maintained, thereby Guarantee the thermal insulation performance of the material; 2. Both physical and chemical foaming agents are used at the same time, which is beneficial to improve the thermal insulation performance of the slurry; 3. All raw materials are inorganic materials, and the final product is non-combustible, which can well meet the current requirements. There are fire-proof requirements for thermal insulation materials.
具体实施方式 Detailed ways
下面结合具体实施例对本发明做详细具体的说明。The present invention will be described in detail below in conjunction with specific embodiments.
实施例1Example 1
一种现场喷射型发泡无机轻质节能材料，各组分的质量比例为，水泥50％、硅灰20％、石灰20％、石膏1％、纤维1％、羧丙基甲基纤维素醚0.1％、EVA胶粉0.5％、动物蹄角发泡剂7.3％、铝粉膏0.1％。其中水泥由10％的42.5强度等级的硅酸盐水泥和90％的42.5强度等级的硫铝酸盐水泥组成；所用的硅灰为市售硅灰，其比表面积为21m2/g，硅灰中SiO2的含量为80％。所用石灰为市售生石灰或消石灰；所用石膏为市售建筑石膏，其主要作用为调整石灰的消化时间，使铝粉的发气在与浆体的稠化时间相匹配，保证上墙后适当的时间产生气孔。纤维由长度为3mm与6mm的木纤维或化学纤维混合组成，其比例为1∶2。其中纤维、羧丙基甲基纤维素醚、EVA胶粉、动物蹄角发泡剂均为市售，所用的铝粉膏为符合GB2084《发气铝粉》和JC/T407《加气混凝土用铝粉膏》铝粉膏，它可以与石灰进行反应产生氢气，从而使材料上墙后继续发泡。An on-site spray-type foaming inorganic lightweight energy-saving material, the mass ratio of each component is: cement 50%, silica fume 20%, lime 20%, gypsum 1%, fiber 1%, carboxypropyl methyl cellulose ether 0.1%, EVA rubber powder 0.5%, animal hoof horn foaming agent 7.3%, aluminum powder paste 0.1%. The cement is composed of 10% Portland cement of strength grade 42.5 and 90% sulphoaluminate cement of strength grade 42.5; the silica fume used is commercially available silica fume with a specific surface area of 21m 2 /g The content of SiO2 in it is 80%. The lime used is commercially available quicklime or slaked lime; the gypsum used is commercially available building gypsum, and its main function is to adjust the digestion time of the lime, so that the gas generation of the aluminum powder matches the thickening time of the slurry, ensuring a proper Time creates pores. The fiber is composed of wood fiber or chemical fiber with a length of 3mm and 6mm, and the ratio is 1:2. Among them, fiber, carboxypropyl methyl cellulose ether, EVA rubber powder, and animal hoof horn foaming agent are all commercially available, and the aluminum powder paste used is in line with GB2084 "Aerated Aluminum Powder" and JC/T407 "Aerated Concrete". Aluminum powder paste》Aluminum powder paste, it can react with lime to generate hydrogen, so that the material continues to foam after it is applied to the wall.
将上述物质按照比例称量，加水搅拌均匀后，采用混凝土喷射设备进行喷射施工。可制得现场喷射型发泡无机节能材料保温墙，经检测，该保温墙的导热系数为0.08W/mK。Weigh the above-mentioned substances according to the proportion, add water and stir evenly, and then use concrete spraying equipment for spraying construction. The on-site spray-type foaming inorganic energy-saving material insulation wall can be prepared, and the thermal conductivity coefficient of the insulation wall is 0.08W/mK after testing.
实施例2：Example 2:
一种现场喷射型发泡无机轻质节能材料，各组分的质量比例为，水泥70％、硅灰7.88％、石灰5％、石膏5％、纤维0.1％、羧甲基纤维素醚1％、EVA胶粉3％、茶皂素发泡剂8％、铝粉膏0.02％。其中水泥由60％的42.5强度等级的硅酸盐水泥和40％的42.5强度等级的硫铝酸盐水泥组成；所用的硅灰为市售硅灰，其比表面积为27m2/g，硅灰中SiO2的含量为82％。所用石灰为市售生石灰或消石灰；所用石膏为市售建筑石膏。纤维由长度为4mm的木纤维与长度为7mm的化学纤维混合组成，其比例为1∶4。其中纤维、羧甲基纤维素醚、EVA胶粉、茶皂素发泡剂、铝粉膏均为市售。An on-site injection foaming inorganic light-weight energy-saving material, the mass ratio of each component is: cement 70%, silica fume 7.88%, lime 5%, gypsum 5%, fiber 0.1%, carboxymethyl cellulose ether 1% , EVA rubber powder 3%, tea saponin foaming agent 8%, aluminum powder paste 0.02%. The cement is composed of 60% Portland cement of strength grade 42.5 and 40% sulphoaluminate cement of strength grade 42.5; the silica fume used is commercially available silica fume with a specific surface area of 27m 2 /g The content of SiO 2 in it is 82%. The lime used is commercial quicklime or slaked lime; the gypsum used is commercial building gypsum. The fibers are composed of wood fibers with a length of 4mm mixed with chemical fibers with a length of 7mm in a ratio of 1:4. Wherein fiber, carboxymethyl cellulose ether, EVA rubber powder, tea saponin foaming agent, aluminum powder paste are all commercially available.
将上述物质按照比例称量，加水搅拌均匀后，采用混凝土喷射设备进行喷射施工。可制得现场喷射型发泡无机节能材料保温墙，经检测，该保温墙的导热系数为0.07W/mK。Weigh the above-mentioned substances according to the proportion, add water and stir evenly, and then use concrete spraying equipment for spraying construction. The on-site spray-type foaming inorganic energy-saving material insulation wall can be prepared. After testing, the thermal conductivity of the insulation wall is 0.07W/mK.
实施例3Example 3
一种现场喷射型发泡无机轻质节能材料，各组分的质量比例为，水泥60％、硅灰15％、石灰15％、石膏3％、纤维0.5％、羧己基纤维素醚0.2％、甲基纤维素醚0.3％、环氧胶粉1.8％、茶皂素发泡剂4.15％、带脂干铝粉0.05％。其中水泥由40％的42.5强度等级的硅酸盐水泥和60％的42.5强度等级的硫铝酸盐水泥组成；所用的硅灰为市售硅灰，其比表面积为24m2/g，硅灰中SiO2的含量为85％。所用石灰为市售生石灰或消石灰；所用石膏为市售建筑石膏。纤维由长度为5.5mm的木纤维与化学纤维和长度为8.5mm的木纤维混合组成，其比例为1∶3。其中纤维、羧己基纤维素醚、甲基纤维素醚、环氧胶粉、茶皂素发泡剂、带脂干铝粉均为市售。An on-site injection foaming inorganic light-weight energy-saving material, the mass ratio of each component is: cement 60%, silica fume 15%, lime 15%, gypsum 3%, fiber 0.5%, carboxyhexyl cellulose ether 0.2%, 0.3% methyl cellulose ether, 1.8% epoxy rubber powder, 4.15% tea saponin foaming agent, 0.05% fat dry aluminum powder. The cement is composed of 40% Portland cement of 42.5 strength grade and 60% of sulphoaluminate cement of 42.5 strength grade; the silica fume used is commercially available silica fume, and its specific surface area is 24m2 /g. The content of SiO2 in it is 85%. The lime used is commercial quicklime or slaked lime; the gypsum used is commercial building gypsum. The fibers are composed of wood fibers with a length of 5.5 mm mixed with chemical fibers and wood fibers with a length of 8.5 mm in a ratio of 1:3. Wherein fiber, carboxyhexyl cellulose ether, methyl cellulose ether, epoxy rubber powder, tea saponin foaming agent, and fat dry aluminum powder are all commercially available.
将上述物质按照比例称量，加水搅拌均匀后，采用混凝土喷射设备进行喷射施工。可制得现场喷射型发泡无机节能材料保温墙，经检测，该保温墙的导热系数为0.075W/mK。Weigh the above-mentioned substances according to the proportion, add water and stir evenly, and then use concrete spraying equipment for spraying construction. The on-site spray-type foaming inorganic energy-saving material insulation wall can be prepared, and the thermal conductivity coefficient of the insulation wall is 0.075W/mK after testing.
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