吡咯烷酮

Refining method with solvent mixed A with N-methyl pyrrolidone was used to decolor the FCC diesel oil. 以溶劑A和N-甲基吡咯烷酮的混合物為萃取劑，對催化裂化柴油進(jìn)行了脫色精制研究。

Ths paper reviews the property, some methods about synthesis and use of polyvinyl pyrrolidone. 綜述了聚乙烯吡咯烷酮的性質(zhì),合成方法及其應(yīng)用。

The condensation and ammonification tests is proceed by using pyrrolidone as the start material. 以吡咯烷酮為起始原料進(jìn)行成鹽、縮合、氨化試驗(yàn),考察影響收率的工藝因素。

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)經(jīng)自由基聚合而成的一類高分子精細(xì)化學(xué)品。

Polyvinylpyrrolidone (PVP) is a kind of fine polymer obtained by free radical polymerization of N-vinyl pyrrolidone (NVP). 聚乙烯基吡咯烷酮(PVP)，是一種水溶性精細(xì)高分子聚合物。