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    • 83. 发明申请
    • WATER ABSORBENT SHEET
    • 吸水片
    • US20120089108A1
    • 2012-04-12
    • US13377432
    • 2010-06-08
    • Koji UedaTetsuhiro HinayamaSyuji TsunoMasayoshi Handa
    • Koji UedaTetsuhiro HinayamaSyuji TsunoMasayoshi Handa
    • A61L15/58A61L15/28A61L15/22
    • A61F13/535A61F13/15699A61F13/15747A61F13/53409A61F13/53713A61F13/53752A61F13/539A61F2013/15406A61F2013/530554
    • A water-absorbent sheet comprising a structure in which an absorbent layer containing a water-absorbent resin and an adhesive is sandwiched with a hydrophilic nonwoven fabric, wherein the water-absorbent sheet has a structure in which the absorbent layer is fractionated into a primary absorbent layer and a secondary absorbent layer with a substrate layer formed by laminating two or more layers of a substrate having breathability adhered together with an adhesive, wherein the substrate layer satisfies the following requirements (1) and (2): (1) the substrate layer having a basis weight of 25 g/m2 or more; and (2) the substrates having breathability being adhered therebetween with an adhesive in an amount of from 0.1 to 50 g/m2. The water-absorbent sheet of the present invention exhibits some excellent effects that the water-absorbent sheet is capable of accomplishing thinning and avoidance of gel blocking phenomenon and liquid leakage, while obtaining basic properties as a water-absorbent sheet at a high level, even for a water-absorbent sheet containing a very small amount of pulps.
    • 一种吸水性片材,其特征在于,包括吸水性树脂和粘合剂的吸收层被亲水性无纺布夹持的结构,其中,吸水性片材具有将吸收层分级成初级吸收体 层和二次吸收层,其具有通过层压具有透气性的两层或多层具有透气性的基材与粘合剂形成的基底层,其中基底层满足以下要求(1)和(2):(1)基底层 基重为25g / m 2以上; 和(2)具有0.1至50g / m 2量的粘合剂之间具有透气性的基材粘合在其间。 本发明的吸水片表现出一些优异的效果,即吸收性片材能够在获得高水平的吸水片材的基本性能的同时,能够实现变薄和避免凝胶堵塞现象和液体泄漏,甚至 用于含有非常少量纸浆的吸水片材。