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聚维酮(聚乙烯吡咯烷酮) Polyvinylpyrrolidone K12,K15,K25
性 状:粉末或水溶液,易溶于水、醇、胺及卤代烃中,不溶于丙酮、乙醚等。具有优良的溶解性、生物相溶性、生理惰性、成膜性、膜体保护能力和多种有机、无机化合物复合的能力,对酸、盐及热较稳定,因此有着广泛的用途。
用 途:聚维酮在医药领域有广泛的应用,为国际倡导的三大药用新辅料之一。应用最广的是片剂、颗粒剂的粘合剂。 它还可用作胶囊的助流剂,眼药的去毒剂及润滑剂,注射剂的助溶剂,液体制剂的分散剂,酶及热敏药物的稳定剂。聚维酮还可与碘合成聚维酮碘(PVP-I)消毒杀菌剂。在隐形眼镜中,PVP 作为接触眼镜的成份,可增加其亲水性。 PVP 在医药上还可用作低温保存剂
Appearance :White or creamy white powder,odourless,nontoxic,non-irritant,dissolves readily in water,alcohol,amine and many other organic solvents.PVP K Series is widely used in pharmaceutical fields,thanks to it’s excellent solubility,film-formingcapability, chemical stability,physiologicalinertia and cementability.
Use: KoVidoneTMK products possess excellent adhesive,film-forming,dispersing and thickening properties,which are widely used in the pharmaceutical industry.They are one of the three main accessory products recognized & approved worldwide..
CAS number:
molecular formula:

molecular weight:

Standard: USP26
Packing:25kg/drum


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