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    • 3. 发明申请
    • ABSORBENT SHEET INCORPORATING REGENERATED CELLULOSE MICROFIBER
    • 吸收再生纤维素微胶囊的吸收片
    • WO2009038730A1
    • 2009-03-26
    • PCT/US2008/010833
    • 2008-09-18
    • GEORGIA-PACIFIC CONSUMER PRODUCTS LPSUMNICHT, Daniel W.MILLER, Joseph H.
    • SUMNICHT, Daniel W.MILLER, Joseph H.
    • D21H13/02D21H15/02
    • D21H13/08D21H15/02D21H27/002Y10T428/249965Y10T428/2965
    • An absorbent paper sheet includes cellulosic papermaking fiber and up to about 75 percent by weight fibrillated regenerated cellulose microfiber. Fibrillation of the microfiber is controlled such that it has a reduced coarseness and a reduced freeness and provides at least one of the following attributes: (a) the absorbent sheet exhibits an elevated SAT value and an elevated wet tensile value as compared with a like sheet prepared without fibrillated regenerated cellulose microfiber, (b) the absorbent sheet exhibits an elevated wet/dry CD tensile ratio as compared with a like sheet prepared without fibrillated regenerated cellulose microfiber, (c) the absorbent sheet exhibits a lower GM Break Modulus than a like sheet having like tensile values prepared without fibrillated regenerated cellulose microfiber; or (d) the absorbent sheet exhibits an elevated bulk as compared with a like sheet having like tensile values prepared without fibrillated regenerated cellulose microfiber.
    • 吸收性纸张包括纤维素造纸纤维和高达约75重量%的原纤化再生纤维素超细纤维。 控制微纤维的纤维颤动,使其具有降低的粗糙度和降低的游离度,并且提供以下属性中的至少一个:(a)与类似片材相比,吸收片材具有升高的SAT值和升高的湿拉伸值 (b)与没有原纤化的再生纤维素微纤维制备的类似片材相比,(b)吸收片材具有较高的湿/干CD拉伸比,(c)吸收片材具有比类似物更低的GM断裂模数 具有不具有原纤化再生纤维素超细纤维的样品拉伸值的片材; 或者(d)与没有原纤维化的再生纤维素超细纤维制备的具有类似拉伸值的类似片材相比,吸收片材呈现较高的体积。