The membrane materials used for membrane structure are composed of base cloth and coating. The base cloth mainly adopts polyester fiber and glass fiber materials; The coating materials are mainly PVC and PTFE. The commonly used membrane materials are polyester fiber covered with polyvinyl chloride (PVC) and glass fiber covered with polytetrafluoroethylene (Teflon). The main characteristics of PVC materials are low strength, large elasticity, easy aging, large creep, and poor self-cleaning, but they are cheap, easy to process, colorful, and have good folding resistance. In order to improve its performance, a layer of polytetrafluoroethylene coating can be coated on its surface to improve its anti-aging and self-cleaning ability, and its service life can reach about 15 years. Teflon material has high strength, large elastic modulus, good self-cleaning, durable and fire-resistant properties, but it is expensive and not easy to fold. It has high requirements for cutting and manufacturing accuracy, and its service life is generally more than 30 years. It is suitable for building.
Some basic knowledge of membrane structure
The construction industry has always been one of the main industries at present. We have a lot of help in understanding some knowledge of the construction industry. The following is a brief introduction to the knowledge of membrane structure in the construction industry.
Membrane structure is a structural system in which architecture and structure are completely separated; It is a space construction mode that uses high strength flexible membrane data to separate from the support system to form a stable surface with a certain rigidity and can accept a certain external load; This construction mode is particularly suitable for large stadiums, population corridors, sketches, public leisure and entertainment squares, exhibition venues, shopping centers and other areas.
The membrane structure shed can be divided into steel structure, tension structure and inflatable structure according to its structure mode; According to the characteristics of membrane materials, it can be divided into permanent membrane structures (the service life of membrane materials can exceed 25 years), semi permanent membrane structures (the service life of membrane materials is 10-15 years) and temporary membrane structures (the service life of membrane materials is 3-5 years); According to the composition of membrane materials, it can be divided into PVDF membrane materials, PTFE membrane materials and ETFE membrane materials.
Manufacturer of membrane structure parking shed The membrane material used in membrane construction is a kind of membrane material with high strength and good flexibility; The fabric substrate of the center is divided into polyester fiber and glass fiber, while the resins used as coating materials are polyvinyl chloride resin (PVC), silicone and polytetrafluoroethylene resin (PTFE), which are lightweight, flexible, small in thickness, light in weight and good in light transmittance; Ability to reflect, absorb and transmit natural light; It is nonflammable, nonflammable or flame retardant; It has the characteristics of durability, fire resistance, good air tightness, etc; The membrane material whose surface is treated with fluorine (coated with PVF or PVDF) is not sticky and has good self-cleaning performance.
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