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    • 8. 发明授权
    • Fabrics having a topically applied silver-based finish exhibiting a reduced propensity for discoloration
    • 具有局部应用的银基饰面的织物表现出降低的变色倾向
    • US07993415B2
    • 2011-08-09
    • US11985709
    • 2007-11-16
    • Kirkland W. VogtJason L. KreiderRobert J. Goulet
    • Kirkland W. VogtJason L. KreiderRobert J. Goulet
    • C09B67/00
    • D06M16/00D06M11/13D06M11/155D06M11/42D06M11/71D06M11/79D06M15/263D06M15/507D06M15/564D06M2200/25D06N3/0063Y10T442/2279Y10T442/2418Y10T442/2475Y10T442/273
    • Improvements in the wash durability and discoloration levels for fabrics having topically applied silver-ion treatments (such as ion-exchange compounds, like zirconium phosphates, glasses and/or zeolites) are provided. Such solid compounds are generally susceptible to discoloration and, due to the solid nature thereof, are typically easy to remove from topical surface applications. The inventive treatment requires the presence of a specific polyurethane binder, either as a silver-ion overcoat or as a component of a dye bath mixture admixed with the silver-ion antimicrobial compound. In addition, specific metal halide additives (preferably substantially free from sodium ions) are utilized to combat the discolorations typical of such silver-ion formulations. As a result, wash durability, discoloration levels, or both, can be improved to the extent that after a substantial number of standard launderings and dryings, the inventive treatment does not wear away in any appreciable amount and the color of the treatment remains substantially the same as when first applied. The particular treatment method as well as the treated fabrics are also encompassed within this invention.
    • 提供了具有局部施加的银离子处理(例如离子交换化合物,如磷酸锆,玻璃和/或沸石)的织物的洗涤耐久性和变色水平的改善。 这种固体化合物通常易于变色,并且由于其固体特性通常易于从局部表面应用中去除。 本发明的处理需要特定的聚氨酯粘合剂的存在,作为银离子外涂层或与银离子抗微生物化合物混合的染浴混合物的组分。 此外,使用特定的金属卤化物添加剂(优选基本上不含钠离子)来抵抗典型的这种银离子制剂的变色。 结果,洗涤耐久性,变色水平或两者都可以改善到在大量标准洗涤和干燥之后,本发明的处理不会以任何明显的量磨损,并且处理的颜色基本上保持不变 与第一次应用时相同。 特定的处理方法以及经处理的织物也包括在本发明中。