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Polyvinylpyrrolidone (polyvinyl pyrrolidone), abbreviated as PVP, is a non-ionic polymer compound. Its product is the most characteristic of N-vinylamide polymers and is the most widely studied fine chemical.
Polyvinylpyrrolidone has now developed into three categories: non-ionic, cationic and anionic, as well as three specifications of industrial grade, pharmaceutical grade and food grade.
Polyvinylpyrrolidone has a series of homopolymers, copolymers and cross-linked polymers, and its relative molecular weight exceeds several thousand to one million. It is widely used because of its outstanding and unique properties.
On October 27, 2017, I referred in advance to the list of carcinogens published by the International Agency for Research on Cancer of the World Health Organization. Polyvinylpyrrolidone is included in the list of three major cancers.