Vinylidene polyfluoride
The polyfluoride of vinylidene is a Polymère vinylidene fluoride. Its name English is “ P oly' V' inyli' Of ene F luoride”, which explains its code ISO: PVDF . It is marketed under the names of Floraflon® , Kynar® and Solef® .
The PVDF is a very resistant Thermoplastique. Following the example other fluorinated polymers, it supports the temperature variations, the Ultraviolet S and the chemical agents most corrosive.
The applications of the PVDF multiple, but are limited by its manufacturing costs. One uses it for piping, the accessories and the tanks in chemical industry, the insulation of wire and piezoelectric elements in electronics. One also includes it in the liquid coatings for construction. One uses it in biotechnology as membrane (following the example more common nitrocellulose) to transfer from proteins than one beforehand separated by electrophoresis in a technique called the Western Blot or French immunobuvardage.
The PVDF is a polymer ferroelectric, presenting properties piezoelectric S and pyrolectric S effective. These characteristics make it useful to make probes and batteries.
Physical properties
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