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    WATER-ABSORBENT SHEET STRUCTURE
    2.
    发明申请
    WATER-ABSORBENT SHEET STRUCTURE 审中-公开
    吸水片结构

    公开(公告)号：US20120328862A1

    公开(公告)日：2012-12-27

    申请号：US13521491

    申请日：2010-12-27

    申请人： Shinya Fukudome ,  Junichi Maruo ,  Masayoshi Handa ,  Koji Ueda

    发明人： Shinya Fukudome ,  Junichi Maruo ,  Masayoshi Handa ,  Koji Ueda

    IPC分类号： A61F13/53 ,  B32B5/26

    CPC分类号： A61F13/534 ,  A61F2013/530131 ,  A61F2013/530481 ,  A61F2013/530554 ,  A61F2013/5307 ,  A61F2013/530737 ,  A61F2013/53445 ,  Y10T442/659

    摘要： A water-absorbent sheet structure comprises a structure in which an absorbent layer containing a water-absorbent resin and an adhesive is sandwiched with nonwoven fabrics from an upper side and a lower side of the absorbent layer, wherein the water-absorbent resin is contained in an amount of from 100 to 1,000 g/m2, and wherein the water-absorbent resin has a water-retention capacity of saline solution of from 15 to 50 g/g, and wherein the water-absorbent sheet structure has a peeling strength of from 0.05 to 3.0 N/7 cm. The water-absorbent sheet structure of the present invention exhibits some effects that a water-absorbent sheet structure has excellent shape retaining ability even when the structure is thin, so that the water-absorbent sheet structure does not undergo deformation of the form before liquid absorption or after the absorption, and is capable of sufficiently exhibiting absorbent properties.

    摘要翻译： 吸水性片材结构体包括将吸收性树脂和粘合剂的吸收层从吸收层的上侧和下侧夹在无纺织物之间的结构，其中吸水性树脂被包含在 100〜1000g / m 2的吸水性树脂，其中吸水性树脂的盐溶液的保水能力为15〜50g / g，吸水性片材结构的剥离强度为 0.05〜3.0N / 7cm。 本发明的吸水片材结构具有吸水性片材结构即使在结构较薄时也具有优异的形状保持能力的效果，因此吸水性片材结构体不会在吸液片之前形成形状 或吸收后，并且能够充分显示吸收性能。

    WATER-ABSORBENT SHEET COMPOSITION
    4.
    发明申请
    WATER-ABSORBENT SHEET COMPOSITION 审中-公开
    吸水片组合物

    公开(公告)号：US20110276019A1

    公开(公告)日：2011-11-10

    申请号：US13145278

    申请日：2009-06-29

    申请人： Hidenobu Kakimoto ,  Junichi Takatori ,  Shinya Fukudome ,  Masayoshi Handa

    发明人： Hidenobu Kakimoto ,  Junichi Takatori ,  Shinya Fukudome ,  Masayoshi Handa

    IPC分类号： A61L15/22

    CPC分类号： A61F13/531 ,  A61F2013/530532 ,  A61F2013/530569 ,  A61F2013/530715

    摘要： A water-absorbent sheet composition (51) comprising a structure in which an absorbent layer comprising a water-absorbent resin and an adhesive is sandwiched with two or more sheets of hydrophilic nonwoven fabrics (57), wherein the water-absorbent sheet composition has a structure in which the absorbent layer is fractionated into a primary absorbent layer (53) and a secondary absorbent layer (54), and wherein the water-absorbent sheet composition satisfies (1) the median particle size of the water-absorbent resin (52) used in the primary absorbent layer and the median particle size of the water-absorbent resin (54) used in the secondary absorbent layer are from 100 to 600 μm; (2) the water absorption rate of saline solution of the water-absorbent resin used in the primary absorbent layer is from 20 to 70 seconds; (3) the water absorption rate of saline solution of the water-absorbent resin used in the secondary absorbent layer is from 1 to 20 seconds; and (4) (the water absorption rate of saline solution of the water-absorbent resin used in the primary absorbent layer)-(the water absorption rate of saline solution of the water-absorbent resin used in the secondary absorbent layer) is 10 seconds or more. The water-absorbent sheet composition of the present invention exhibits some excellent effects that the water-absorbent sheet composition is capable of accomplishing thinning and avoidance of gel blocking phenomenon and liquid leakage, while obtaining basic properties as a water-absorbent sheet composition at a high level, even for a water-absorbent sheet composition containing a very small amount of pulps.

    摘要翻译： 一种吸水性片材组合物（51），其包含吸水性树脂和粘合剂的吸收层被两层以上的亲水性无纺布（57）夹在中间的结构，其中吸水性片材组合物具有 其中吸收层被分级成初级吸收层53和次级吸收层54，其中吸水性片组合物满足（1）吸水性树脂（52）的中值粒径， 在第一吸收层中使用的吸水性树脂（54）的中值粒径为100〜600μm， （2）初级吸收层中使用的吸水性树脂的盐溶液的吸水率为20〜70秒; （3）二次吸收层中使用的吸水性树脂的盐溶液的吸水率为1〜20秒; 和（4）（初级吸收层中使用的吸水性树脂的盐溶液的吸水率） - （二次吸收层中使用的吸水性树脂的盐溶液的吸水率）为10秒 或者更多。 本发明的吸水性片材组合物表现出一些优异的效果，即吸收性片材组合物能够实现薄型化和避免凝胶堵塞现象和液体泄漏，同时以高吸收性片材组合物获得基本性能 即使对于含有非常少量纸浆的吸水片组合物也是如此。

    Method for producing water-absorbing resin
    6.
    发明授权
    Method for producing water-absorbing resin 有权
    吸水树脂的制造方法

    公开(公告)号：US08940845B2

    公开(公告)日：2015-01-27

    申请号：US14111249

    申请日：2012-04-19

    申请人： Shinya Fukudome ,  Tetsuhiro Hinayama ,  Noriko Honda ,  Junichi Takatori

    发明人： Shinya Fukudome ,  Tetsuhiro Hinayama ,  Noriko Honda ,  Junichi Takatori

    IPC分类号： C08F2/00 ,  C08F4/04 ,  C08F20/06 ,  B01J20/26 ,  C08F2/32 ,  A61L15/22 ,  A61L15/60 ,  C08J3/24 ,  C08K3/32 ,  C08L33/02 ,  C08F120/06

    CPC分类号： B01J20/261 ,  A61L15/22 ,  A61L15/60 ,  C08F2/14 ,  C08F2/32 ,  C08F4/04 ,  C08F120/06 ,  C08F220/10 ,  C08J3/245 ,  C08K3/32 ,  C08L33/02 ,  C08F220/06 ,  C08F222/385

    摘要： The invention provides a novel method for producing a water-absorbent resin comprising: subjecting at least one water-soluble ethylenic unsaturated monomer to reversed-phase suspension polymerization in a petroleum hydrocarbon dispersion medium, the reversed-phase suspension polymerization being conducted using a 0.00005 to 0.00016 mole of water-soluble azo initiator for radical polymerization per mole of the water-soluble ethylenic unsaturated monomer in the presence of 0.000015 to 0.00015 mole of hypophosphorous compound per mole of the water-soluble ethylenic unsaturated monomer. According to the method, the environmental impact can be lessened by reducing the amount of petroleum hydrocarbon dispersion medium released to the outside of the system, and the method makes it possible to obtain a water-absorbent resin having a high water-retention capacity and water-absorption capacity under a load, and a small content of water soluble component at the same time.

    摘要翻译： 本发明提供了一种生产吸水性树脂的新方法，包括：在石油烃分散介质中使至少一种水溶性烯属不饱和单体进行反相悬浮聚合，反相悬浮聚合使用0.00005至 0.00016摩尔水溶性偶氮引发剂，每摩尔水溶性烯属不饱和单体在每摩尔水溶性烯属不饱和单体0.000015-0.00015摩尔次磷酸化合物存在下进行自由基聚合。 根据该方法，可以通过减少释放到系统外部的石油烃分散介质的量来减少环境影响，并且该方法可以获得具有高保水能力和水的吸水性树脂 - 负载下的吸收能力，同时含有少量水溶性成分。

    WATER-ABSORBENT SHEET COMPOSITION
    8.
    发明申请
    WATER-ABSORBENT SHEET COMPOSITION 审中-公开
    吸水片组合物

    公开(公告)号：US20110111199A1

    公开(公告)日：2011-05-12

    申请号：US13002940

    申请日：2009-06-29

    申请人： Junichi Takatori ,  Masayoshi Handa ,  Shinya Fukudome ,  Nobuhiro Maeda

    发明人： Junichi Takatori ,  Masayoshi Handa ,  Shinya Fukudome ,  Nobuhiro Maeda

    IPC分类号： B32B5/26 ,  B32B27/32 ,  B32B27/36

    CPC分类号： A61F13/15203 ,  A61F13/53 ,  A61F13/534 ,  A61F13/539 ,  A61F2013/530299 ,  A61F2013/530481 ,  A61F2013/530554 ,  A61F2013/5307 ,  A61F2013/53445 ,  A61F2013/53908 ,  A61F2013/53958 ,  B32B5/022 ,  B32B5/26 ,  B32B7/12 ,  B32B2250/20 ,  B32B2250/40 ,  B32B2255/02 ,  B32B2255/26 ,  B32B2264/02 ,  B32B2264/12 ,  B32B2307/728 ,  B32B2555/02 ,  Y10T442/659 ,  Y10T442/671

    摘要： A water-absorbent sheet composition comprising a structure in which a water-absorbent resin and a hot melt adhesive are sandwiched with two or more sheets of hydrophilic nonwoven fabrics, wherein the hydrophilic nonwoven fabrics have a basis weight of 30 g/m2 or more, and wherein the water-absorbent resin is contained in an amount of from 10 to 150 g/m2, and wherein the hot melt adhesive is contained in an amount of from 0.10 to 1.0 time that of the amount of the water-absorbent resin contained (based on weight). The water-absorbent sheet composition of the present invention exhibits some excellent effects that the sheet composition has sufficient absorbency not only for a liquid having a low viscosity but also a liquid having a high viscosity, without undergoing deformation of shape before or after liquid absorption, while being thin in style. Therefore, the water-absorbent sheet composition of the present invention is used as an absorbent material for sanitary napkins and incontinence pads, whereby a hygienic material not only that is thin and has excellent external design, but also free from inconveniences such as liquid leakage can be provided.

    摘要翻译： 一种吸水性片材组合物，其特征在于，其中吸水性树脂和热熔性粘合剂被两层以上的亲水性无纺布片夹在中间，其中亲水性无纺布的单位面积重量为30g / m 2以上， 并且其中所述吸水性树脂的含量为10至150g / m 2，并且其中所述热熔粘合剂的含量为所述吸水性树脂的量的0.10至1.0倍（ 基于重量）。 本发明的吸水性片材组合物表现出一些优异的效果，即片材组合物不仅对低粘度的液体而且具有高粘度的液体具有足够的吸收性，而且在液体吸收之前或之后不会发生变形， 而风格较薄。 因此，本发明的吸水性片材组合物用作卫生巾和失禁垫的吸收材料，由此不仅薄而且具有优异的外部设计，而且没有液体泄漏等不便的卫生材料 提供。

    Process for production of water-absorbing resin
    10.
    发明授权
    Process for production of water-absorbing resin 有权
    吸水树脂生产工艺

    公开(公告)号：US08084544B2

    公开(公告)日：2011-12-27

    申请号：US11922850

    申请日：2006-06-30

    申请人： Shinya Fukudome ,  Junichi Takatori ,  Kenya Matsuda ,  Yasuhiro Nawata

    发明人： Shinya Fukudome ,  Junichi Takatori ,  Kenya Matsuda ,  Yasuhiro Nawata

    IPC分类号： C08F2/18 ,  C08F2/44 ,  C08F20/06

    CPC分类号： C08F2/18 ,  B01J4/002 ,  B01J19/2415 ,  B01J19/26 ,  B01J20/26 ,  B01J31/0235 ,  B01J31/04 ,  B01J2220/68 ,  B01J2231/125 ,  C08F2/001 ,  C08F2/14 ,  C08F220/06 ,  C08F222/385 ,  C08K5/175

    摘要： Process for preparing a water-absorbent resin comprising carrying out a reversed-phase suspension polymerization in multi-steps of two or more steps. The water-absorbent resin is prepared by subjecting a water-soluble ethylenically unsaturated monomer to the reversed phase suspension polymerization. This process for preparing a water-absorbent resin involves adding an aminocarboxylic acid compound to at least one step in the second and subsequent steps to carry out the polymerization reaction. The resulting water-absorbent resin can be suitably used in a hygienic material. The water-absorbent resin has a high degree of water-retention, including a high degree of water absorption under pressure. It also has a high water absorption rate, and contains only a small amount of water-soluble substances.

    摘要翻译： 制备吸水性树脂的方法包括以两步或多步的多步骤进行反相悬浮聚合。 吸水性树脂通过使水溶性烯属不饱和单体进行反相悬浮聚合来制备。 制备吸水性树脂的方法包括在第二和随后的步骤中将氨基羧酸化合物加入到至少一个步骤中以进行聚合反应。 得到的吸水性树脂可以适用于卫生材料。 吸水性树脂具有高的保水性，包括在压力下的高吸水率。 它也具有很高的吸水率，只含有少量的水溶性物质。