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    • 26. 发明授权
    • Modified cellulosic fibers and fibrous webs containing these fibers
    • 包含这些纤维的改性纤维素纤维和纤维网
    • US6146494A
    • 2000-11-14
    • US87037
    • 1998-05-29
    • Geoffrey Eugene SegerLarry Neil MackeyPaul Dennis Trokhan
    • Geoffrey Eugene SegerLarry Neil MackeyPaul Dennis Trokhan
    • D21C3/22D21C5/00D21C9/00D21H11/20
    • D21C5/005D21C9/005D21H11/20
    • Disclosed are modified cellulosic fibers having a dry zero span tensile index that is substantially less than the dry zero span tensile index of the corresponding unmodified cellulosic fibers. Fibers having reduced dry zero span tensile may provide fibrous structures having improved hand feel compared with fibers prepared from unmodified fibers. In particular, such modified fibers provide fibrous structures with improved flexibility, which is perceived as improved softness. The reduced dry zero span tensile is preferably achieved by reacting the fibers with one or more cellulase enzymes and one or more debonders. The invention also relates to a fibrous structure having a density of not more than about 0.4 g/cc, wherein the fibrous structure comprises modified cellulosic fibers having a dry zero span tensile index that is at least about 15% less than the dry zero span tensile index of the corresponding unmodified cellulosic fibers; and wherein the fibrous structure has a bending modulus per unit dry tensile that is at least about 30% less than the bending modulus per unit dry tensile of a fibrous structure prepared from corresponding unmodified fibers.
    • 公开了具有干燥零跨度拉伸指数的改性纤维素纤维,其基本上小于相应的未改性纤维素纤维的干零跨度拉伸指数。 具有减小的干零跨度拉伸的纤维可以提供与从未改性纤维制备的纤维相比具有改善的手感的纤维结构。 特别地,这种改性纤维提供具有改善的柔韧性的纤维结构,其被认为是改善的柔软度。 降低的干零跨度拉伸优选通过使纤维与一种或多种纤维素酶和一种或多种脱粘剂反应来实现。 本发明还涉及密度不超过约0.4g / cc的纤维结构,其中纤维结构包括具有干燥零跨度拉伸指数的改性纤维素纤维,其比干燥零跨度拉伸强度至少大约15% 相应的未改性纤维素纤维的指数; 并且其中所述纤维结构具有每单位干拉伸的弯曲模量,其比由相应的未改性纤维制备的纤维结构的每单位干拉伸的弯曲模量小至少约30%。
    • 27. 发明授权
    • Cleaning articles treated with a high internal phase inverse emulsion
    • 用高内相反相乳液处理的清洁用品
    • US5980922A
    • 1999-11-09
    • US759547
    • 1996-12-05
    • Larry Neil MackeyBryn HirdPaul Dennis Trokhan
    • Larry Neil MackeyBryn HirdPaul Dennis Trokhan
    • A61K8/02A61K8/06A61Q19/10A01N25/34
    • A61Q19/10A61K8/0208A61K8/06
    • The invention relates to articles useful in cleansing, and particularly to wet-like cleansing wipes that are especially useful for hard surface cleaning, and in personal cleansing such as baby wipes and particularly for removal of perianal soils. These articles comprise: a carrier; and an emulsion applied to the carrier. The emulsion comprises (1) from about 2 to about 60% of a continuous solidified lipid phase comprising a waxy lipid material having a melting point of about 30.degree. C. or higher, (2) from about 39 to about 97% of an internal polar (e.g., water) phase dispersed in the lipid phase; (3) an effective amount of a non-silicon containing emulsifier, where the emulsifier has a viscosity at 55.degree. C. of greater than about 500 centipoise; and (4) and an optional second emulsifier having a viscosity at 55.degree. C. of less than about 400 centipoise. Because the emulsion comprises a waxy external phase, the internal polar phase is retained in the emulsion until in-use shear pressures break the emulsion, thereby providing desired moisture for cleaning. The invention also relates to a process for making the cleaning articles.
    • 本发明涉及用于清洁,特别是用于特别用于硬表面清洁的湿式清洁擦拭物以及个人清洁如婴儿擦拭物,特别是用于去除肛门周围土壤的制品。 这些文章包括:承运人; 和施加到载体上的乳液。 乳液包含(1)约2至约60%的连续固化脂质相,其包含熔点为约30℃或更高的蜡质脂质材料,(2)约39至约97%的内部 分散在脂质相中的极性(例如水)相; (3)有效量的不含硅的乳化剂,其中乳化剂在55℃下的粘度大于约500厘泊; 和(4)和可选的第二乳化剂,其在55℃下的粘度小于约400厘泊。 因为乳液包含蜡状外相,内部极性相保留在乳液中,直到使用中的剪切压力破坏乳液,从而提供所需的清洁水分。 本发明还涉及制造清洁用品的方法。