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    • 4. 发明授权
    • Textile surface coatings of iron oxide and aluminum oxide
    • 氧化铁和氧化铝的纺织表面涂层
    • US06764969B1
    • 2004-07-20
    • US09281089
    • 1999-03-30
    • Hans H. KuhnPeter K. Kang
    • Hans H. KuhnPeter K. Kang
    • B32B2704
    • D06P1/0076D06M11/45D06M11/49D06M16/00D06M2101/32D06M2200/00Y10T442/2033Y10T442/2082Y10T442/2525Y10T442/2861Y10T442/2893
    • A textile substrate is provided which is coated with a film comprising iron (III) oxide hydroxide and aluminum oxide hydroxide. This film or coating is formed by contacting the textile substrate with an aqueous solution comprising ferrous or ferric salts and aluminum salts. The iron (II), iron (III), and aluminum ions are hydrolyzed and the iron (II) ions are also oxidized under controlled conditions. These hydrolyzed species then, it is believed, coprecipitate or copolymerized to on the textile surface to form a smooth, coherent, substantially amorphous iron (III) oxide/aluminum oxide hydroxide film or coating on the surface of the substrate without forming an insoluble iron (III) or aluminum hydroxide precipitate in the solution. This is accomplished by controlling the reaction conditions such that the rates of adsorption onto the substrate surface of both iron (III) and aluminum oxide hydroxides are greater than the rates of formation of said same oxide hydroxide particles. The resultant coating is substantially amorphous with extremely limited crystalline formation. The obtained substrate has very good color fastness, bacteriostatic, and virus removing properties and can be utilized as an inexpensive and effective water filtration article.
    • 提供一种纺织基材,其涂覆有包含氧化铁(III)和氧化铝氢氧化物的薄膜。 该薄膜或涂层通过使织物基底与含有亚铁或铁盐和铝盐的水溶液接触而形成。 铁(II),铁(III)和铝离子被水解,铁(II)离子也在受控条件下被氧化。 这些水解的物质然后被认为在织物表面上共沉淀或共聚以在基材的表面上形成光滑的,相干的,基本上无定形的氧化铁/氧化铝(III)氧化物或氧化铝薄膜,而不形成不溶性铁( III)或氢氧化铝在溶液中沉淀。 这通过控制反应条件来实现,使得铁(III)和氧化铝氢氧化物的衬底表面上的吸附速率大于所述相同氧化物氢氧化物颗粒的形成速率。 所得涂层基本上是无定形的,结晶形态非常有限。 获得的底物具有非常好的色牢度,抑菌性和病毒去除性,并且可以用作廉价和有效的水过滤制品。