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Formvar is used in many different applications, such as wire insulation, coatings for musical instruments, magnetic tape backing, and support films for electron microscopy. [3] Formvar is also used as a main ingredient for special adhesives in structural applications such as the aircraft industry.
Vinyl polymers are subject of several structural variations, which greatly expands the range of polymers and their applications. With the exception of polyethylene, vinyl polymers can arise from head-to-tail linking of monomers, head-to-head combined with tail-to-tail, or a mixture of those two patterns. Additionally the substituted carbon center in such polymers is stereogenic (a "chiral center")
N-Vinylpyrrolidone (NVP) is an organic compound consisting of a 5-membered lactam ring linked to a (2 carbon) vinyl group. It is a colorless liquid although commercial samples can appear yellowish. It is produced industrially by vinylation of 2-pyrrolidone, i.e. the base-catalyzed reaction with acetylene. [2]
Its chemical formula is (C 2 H 2 F 2) n. PVDF is a specialty plastic used in applications requiring the highest purity, as well as resistance to solvents, acids and hydrocarbons. PVDF has low density 1.78 g/cm 3 in comparison to other fluoropolymers, like polytetrafluoroethylene .
The transparent polymers are used for the production of lacquers and as adhesives. [1] The hydrolytic cleavage of the ester bonds of vinyl acetate is of industrial significance. [ 2 ]
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Because the closed-cell foam backing of vinyl sheet can be varied, it can be given the resilience profile of sprung performance floor, suitable as a sports or dance floor. It can make a permanent or portable dance floor which can be laid on problematic surfaces such as concrete. Some sheet vinyl flooring can be used outside.
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