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    • 9. 发明授权
    • Method of forming a water soluble biocidal film on a solid surface
    • 在固体表面上形成水溶性杀生物膜的方法
    • US06730294B1
    • 2004-05-04
    • US09540750
    • 2000-03-31
    • Steven Kritzler
    • Steven Kritzler
    • A01N2510
    • C11D3/48A01N25/34A01N31/08A01N31/12A01N31/16A61L2/18C11D1/22C11D1/29C11D1/345C11D3/3776C11D11/0017D06M13/152D06M13/156D06M15/263D06M15/333D06M15/3562D06M16/00D21H21/36A01N2300/00
    • A method of forming a water soluble biocidal film on a solid household, food preparation, or medical surface, which protects the solid surface against reinfection by microorganisms, includes providing a liquid biocidal composition comprised of, based on total weight of the liquid biocidal composition from 0.1 to 5.0 wt. % of a phenolic biocide; from an amount effective to impart film-forming properties to the liquid biocidal composition up to 8 wt. % of a polyvinyl pyrrolidone polymer or copolymer; and an aqueous alcoholic solvent in which the phenolic biocide and the polyvinylpyrrolidone polymer or copolymer are dissolved; treating the solid surface with the liquid biocidal composition; and evaporating the aqueous alcoholic solvent to provide a clear film, wherein a ratio of the phenolic biocide to the polyvinylpyrrolidone polymer or copolymer is selected to range from 1:0.8 to 1:3 so that a complex there between is provided which dries clear.
    • 在固体家庭,食品制剂或医学表面上形成水溶性杀生物膜的方法,其保护固体表面免受微生物的再感染,包括提供液体杀生物剂组合物,其基于液体杀生物剂组合物的总重量, 0.1〜5.0重量% 酚类杀生物剂的百分比; 从有效地赋予液体杀生物组合物成膜性能的量高达8wt。 %的聚乙烯吡咯烷酮聚合物或共聚物; 和其中溶解酚类杀生物剂和聚乙烯吡咯烷酮聚合物或共聚物的水溶性醇溶剂; 用液体杀生物剂组合物处理固体表面; 并蒸发含水醇溶剂以提供透明膜,其中酚类杀生物剂与聚乙烯吡咯烷酮聚合物或共聚物的比例选择为1:0.8至1:3,使得其间具有干燥透明度的复合物。