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浅谈木结构建筑中防火涂料的技术及应用

木材作为一种建筑材料,具有重量轻、强度高、结构美观、易加工等特点。木结构在安全性、保温性、节能性、环保性、舒适性、结构柔性等诸多方面受到人们的青睐。近年来,在北京、上海,在中国深圳和其他大城市,热木结构房屋已被提出。建筑设施的复杂性、人员和财产密度的增加以及火灾发生的概率也在增加。因此,对建筑物的防火功能也提出了更高的要求。


近年来,围绕火灾发生的原因不难发现,尽管现代建筑结构主体不燃烧材料,但建筑仍有很多易燃和可燃装修材料和家具,他们在危险的火灾发生和蔓延的因素,引起火灾令人震惊的。早在5000多年前的古代中国,它已被用于消防法外覆土柱,和后来的大木梁柱、布包裹,然后涂上粘土、石膏等易燃物质的火灾。在沿海地区,木材建造灯塔,用于海水防火处理记录。木材的阻燃处理可分为2类:一类是溶剂型阻燃剂浸渍法,另一类是木材结构防火涂料(又称单板防火涂料)。


防火阻燃的最佳方法是油漆性能优良的木结构防火涂料,并在火中进行膨胀和发泡,形成均匀致密的蜂窝炭层。降低其燃烧等级可燃或易燃。一旦发生火灾,就可以防止火势在一定时间内蔓延。木材结构防火涂料是以水为溶剂,有机无机复合为粘结剂,高效阻燃剂和助剂。木结构防火涂料是集环保、装饰、防火为一体的防火涂料。涂层是由水作为分散介质制成的。干燥后,具有光滑的膜的优点,防火性能好,无毒、无污染、施工方便。当然,木结构防火涂料还不完善,耐水性和烟量有待提高。随着以房地产为主导的建筑业的迅速发展,各种高层建筑和娱乐场所的开发越来越复杂和高档。人们对装饰防火涂料的要求越来越高,其应用范围也越来越大。

As a building material, wood has the characteristics of light weight, high strength, beautiful texture and good workability. Wood structure is favored by people in terms of safety, heat preservation, energy saving, environmental protection, comfort, structural flexibility and other factors. In recent years, in Beijing, Shanghai, Shenzhen and other large cities in China, the heat of wood structure housing has been raised. The complexity of building facilities, the increasing density of personnel and property, and the probability of fire are also increasing. Therefore, the fire protection function of buildings is also put forward higher requirements.

In recent years, around the fire occurred, the reason is not difficult to find, although the main body of modern building structure is not burning material, but the building is still there are a lot of flammable and combustible interior decoration materials and furniture, they are in danger of fire occurrence and spread factors, which caused a fire shocking. As early as 5000 years ago in ancient China, it has been used in fire protection method is coated outside the soil column, and later on the large wooden beams and columns, the cloth wrapped, then coated with clay, gypsum and other flammable substances of fire. In coastal areas, records of wood building lighthouses that are used for fire-resistant processing of sea water. The fire-retardant treatment of wood can be divided into 2 categories: one is the impregnation method of solvent type flame retardant, the other is the fire retardant coating of wood structure (also known as the veneer fire retardant coating).

The best way to fire and flame retardant is to paint the wood structure fire retardant coating with good performance, and the film expansion and foaming in fire form a homogeneous and compact honeycomb carbon layer. Reduce its combustion grade to nonflammable or flammable. Once a fire occurs, the fire can be prevented from spreading in a certain period of time. Wood structure fire retardant coating is made up of water as solvent, organic and inorganic composite as binder, high efficient flame retardant and auxiliary agent. The wood structure fireproofing coating is made up of environmental protection, decoration and fire protection. The coating is made of water as the dispersing medium. After drying, it has the advantages of smooth film, good fire resistance, innocuity, no pollution and convenient construction. Of course, the wood structure fire retardant coating is not perfect, water resistance and the amount of smoke need to be improved. With the rapid development of construction industry led by real estate, all kinds of high-rise buildings and entertainment establishments are developing to be more complex and high-grade. People's demand for decorative fireproof coatings is higher and higher, and their applications are also increasing.





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