Polyvinyl pyrrolidone (PVP) is polymeric fine chemical obtained by free radical polymerization of N vinyl pyrrolidone (NVP).

• 聚乙烯吡咯烷酮(PVP)是N-乙烯基吡咯烷酮(NVP)经自由基聚合而成的一类高分子精细化学品。