Chap._500015 - Poly(vinylidene fluoride commonly...

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Poly(vinylidene fluoride), commonly abbreviated as PVDF or PVF2, is a polymer with increasing scientific attention and industrial importance because of its outstanding electrical properties, as well as its chemical and weather resistance, its durability and biocompatibility. PVDF is a tough, engineering thermoplastic that offers a unique balance of properties. It has the characteristic stability of fluoropolymers when exposed to harsh thermal, chemical, and ultraviolet environments, while the alternating CH2 and CF2 groups along the polymer chain provide a unique polarity that influence its solubility and electric properties. Kynar ® resins are readily melt-processed by standard methods of extrusion and injection / compression molding. At elevated temperatures Kynar ® PVDF can be dissolved in polar solvents such as organic esters and amines. This selective solubility is an advantage in the preparation of corrosion resistant coatings for chemical process equipment and long-life architectural finishes on building panels.
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