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Polyvinylpyrrolidone (PVP), also commonly called polyvidone or povidone, is a water-soluble polymer compound made from the monomer N-vinylpyrrolidone. [1] PVP is available in a range of molecular weights and related viscosities, and can be selected according to the desired application properties.
In February 2004, Major League Baseball announced a new drug policy which originally included random, offseason testing and 10-day suspensions for first-time offenders, 30 days for second-time offenders, 60 days for third-time offenders, and one year for fourth-time offenders, all without pay, in an effort to curtail performance-enhancing drug use (PED) in professional baseball.
Polyvinylpolypyrrolidone (polyvinyl polypyrrolidone, PVPP, crospovidone, crospolividone, or E1202) is a highly cross-linked modification of polyvinylpyrrolidone (PVP).. The cross-linked form of PVP is used as a disintegrant (see also excipients) in pharmaceutical tablets. [1]
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]
First failure to comply: 15- to 25-day suspension and/or a fine of up to $10,000; Second failure to comply: 25- to 50-day suspension and/or a fine of up to $25,000; Third failure to comply: 50- to 75-day suspension and/or a fine of up to $50,000; Fourth failure to comply: minimum one-year suspension and/or a fine of up to $100,000
Poly(4-vinylphenol), also called polyvinylphenol or PVP, is a plastic structurally similar to polystyrene. It is produced from the monomer 4-vinylphenol, which is also referred to as 4-hydroxystyrene. PVP is used in electronics as a dielectric layer in organic transistors in organic TFT LCD displays.
For example, in Washington, D.C. the accumulation of 10–11 points on a license will result in a 90-day suspension. ... While a license suspension is temporary for a defined period of time, a ...
In polymer chemistry, suspension polymerization is a heterogeneous radical polymerization process that uses mechanical agitation to mix a monomer or mixture of monomers in a liquid phase, such as water, while the monomers polymerize, forming spheres of polymer. [2] The monomer droplets (size of the order 10-1000 μm) are suspended in the liquid ...