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    • 6. 发明授权
    • Cross-linked pulp sheet
    • 交联纸浆
    • US07288167B2
    • 2007-10-30
    • US11332559
    • 2006-01-13
    • Karl D. SearsMichael E. HaeusslerTina R. Solomon
    • Karl D. SearsMichael E. HaeusslerTina R. Solomon
    • D21H17/15D21H21/22D21H23/02D21H16/20D06M13/192
    • D21C9/005D21H11/20D21H17/37
    • The invention provides a method for preparing cross-linked cellulosic fibers. A sheet of mercerized cellulosic fibers with a purity of at least 95% is treated with a solution containing a carboxylic acid cross-linking agent. The treated cellulosic fibrous material is dried and cured in sheet form to promote intrafiber cross-linking. Cross-linked fiber products produced are economic and possess good porosity, bulking characteristics, wet resiliency, absorption characteristics, low fines, low nits and low knots. The invention also includes blended cellulose compositions comprising a minor proportion of cross-linked mercerized cellulosic fibers and a major proportion of other cellulosic fibers. The invention further provides individualized, chemically cross-linked mercerized cellulosic fibers of high purity.
    • 本发明提供了制备交联纤维素纤维的方法。 用含有羧酸交联剂的溶液处理纯度为至少95%的丝光纤维素纤维片。 经处理的纤维素纤维材料被干燥并以片状固化以促进纤维内交联。 生产的交联纤维产品是经济的,具有良好的孔隙率,膨胀特性,湿回弹性,吸收特性,低细粉,低its和低结。 本发明还包括包含少量交联丝光纤维素纤维和主要比例的其它纤维素纤维的混合纤维素组合物。 本发明进一步提供了高纯度的个体化的,化学交联的丝光纤维素纤维。