PVDF Powder Extrusion
Introduction of PVDF Resin for Extrusion PVDF FR907 PVDF has excellent weather resistance, ultraviolet resistance, and can be used outdoors for a long time without maintenance. PVD F based on Kynar Coated on building components such as galvanized iron plates, aluminum plates or aluminum...
PVDF has excellent weather resistance, ultraviolet resistance, and can be used outdoors for a long time without maintenance. PVD F based on Kynar Coated on building components such as galvanized iron plates, aluminum plates or aluminum profiles, it can be used for more than 20 years and is widely used in power stations, airports, highways, high-rise buildings, etc., and can be modified by blending with other resins, for example, The composites made with ABS resin not only retain their own characteristics, but also have good weathering and processability. They can be widely used in construction, interior and exterior decoration of vehicles, home appliances shell and roof balcony decoration, etc.
Melt Flow Index
Tensile Yield Strength
Elongation at Yield
Tensile Break Strength
Elongation at Break
The melting point (170) of the PVDF resin and the decomposition temperature (316) are quite different. The thermal stability is good and the processing is easy to be processed. However, the characteristics of the poor thermal conductivity of the PVDF resin melt, the higher viscosity and the decrease of the viscosity with the increase of shear stress should be considered.
The PVDF resin can be processed by the processing method of general thermoplastics. The specific conditions are as follows.
The casting PVDF resin film can be prepared by using two methyl acetamide as solvent and adding a solution containing a solid content of 20% on aluminum foil. After hot melt of 200~ 300 and fast water cooling, the casting of casting PVDF resin can be made.
The dispersing liquid of PVDF resin can also be sprayed. The products that need to be sprayed are heated to about 250 after surface treatment, spraying with a spray gun evenly, the pressure of the tank is 0.01 MPa, the air pressure of the spray gun is 0.1MP a, the spraying speed is 100 gPVDF per minute, and the sprayed products are heated by 30 m in at 120, and then added under 240~ 250. After 20 m in, a 20~ 40 m thick and smooth PVDF resin coating was formed.
1 layers of metal film are evaporated by vacuum coating on both sides of the stretched PVDF resin film as electrodes. The commonly used metal has aluminum, copper and silver. The thickness of the coating is about 0.1 M. The polarization temperature is 80~ 100, the polarization field is 500 kV / cm, and the polarization time is 30~ 60 m in, and the piezoelectricity can be obtained. Good PVDF film.
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