Durable polytetrafluoroethylene composite pipe

• Main Authors: WANG QI, CHEN GUOQING, TANG JINMEI
• Format: Patent
• Language: Chinese; English
• Published: 21.12.2021
• Subjects: BLASTING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; JOINTS OR FITTINGS FOR PIPES; LIGHTING; MEANS FOR THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model relates to the technical field of polytetrafluoroethylene product production, in particular to a durable polytetrafluoroethylene composite pipe which comprises an outer protective layer, a structural layer, a transition layer and a lining layer. The structural layer comprises benzene type resin and multiple layers of alkali-free glass fiber yarn, and the structural layer comprises a pipe body and flanges at the two ends of the pipe body. The transition layer is a resin layer and is used for connecting the structural layer and the lining layer; the lining layer is a polytetrafluoroethylene lining layer; the durable polytetrafluoroethylene composite pipe has the advantages of being high in rigidity, low in friction coefficient, good in anti-corrosion performance, light in weight and convenient to transport and install. 本实用新型涉及聚四氟乙烯制品生产技术领域，具体涉及一种耐用型聚四氟乙烯复合管，包括外护层、结构层、过渡层、内衬层；所述结构层包括苯型树脂和多层无碱性玻璃纤维纱，所述结构层包括管体和管体两端法兰；所述过渡层为树脂层，用于连接结构层和内衬层；所述内衬层为聚四氟乙烯衬里层；所述外护层为夹砂玻璃钢层，本实用新型所述的一种耐用型聚四氟乙烯复合管具有刚度高、摩擦系