Absorbent article comprising a primary aqueous-liquid-absorbing agent
    1.
    发明申请
    Absorbent article comprising a primary aqueous-liquid-absorbing agent 审中-公开
    包含初级含水液体吸收剂的吸收制品

    公开(公告)号:US20070202772A1

    公开(公告)日:2007-08-30

    申请号:US11526525

    申请日:2006-09-25

    IPC分类号: D04H1/00 D04H13/00

    摘要: An absorbent article comprising an absorbent core, which comprises at least one region comprising an aqueous-liquid-absorbing agent that contains water-absorbent resin particles, wherein the water-absorbent resin particles are obtained by a process including the step of polymerizing a water-soluble ethylenically unsaturated monomer having a carboxyl group, in the presence of an internal-crosslinking agent having at least four functional groups each capable of forming a covalent bond with a carboxyl group to thereby obtain a hydropolymer that is internally cross-linked and surface-crosslinked, the aqueous-liquid-absorbing agent being characterized by exhibiting a water absorption capacity (CRC) of 5 to 25 g/g and a saline flow conductivity (SFC) of not less than 1216 cm3·s·10-7/g.

    摘要翻译: 一种吸收性物品,其特征在于,具有吸收体,所述吸收体包含含有吸水性树脂粒子的含水吸收剂的至少一个区域,其中,所述吸水性树脂粒子通过包括以下步骤的方法获得: 在具有至少四个能够与羧基形成共价键的官能团的内交联剂的存在下,具有羧基的可溶性烯属不饱和单体,从而得到内部交联并表面交联的氢化聚合物 该水性液体吸收剂的特征在于表现出5至25g / g的吸水能力(CRC)和不小于1216cm 3 .s.10-7 / g的盐水流动电导率(SFC)。

    Aqueous-liquid-absorbing agent and its production process
    6.
    发明申请
    Aqueous-liquid-absorbing agent and its production process 有权
    含水液体吸收剂及其制备方法

    公开(公告)号:US20090131255A1

    公开(公告)日:2009-05-21

    申请号:US12088354

    申请日:2006-09-25

    IPC分类号: B01J20/26

    CPC分类号: C08F220/06 C08F222/1006

    摘要: The present invention provides an aqueous-liquid-absorbing agent which comprises water-absorbent resin particles as essential components and is suitable for uses in sanitary materials. The aqueous-liquid-absorbing agent according to the present invention is an aqueous-liquid-absorbing agent comprising water-absorbent resin particles as essential components, wherein the water-absorbent resin particles are obtained by a process including the step of polymerizing a water-soluble ethylenically unsaturated monomer having a carboxyl group, and have a crosslinked structure in their inside, the aqueous-liquid-absorbing agent exhibiting a water absorption capacity (CRC) of 5 to 25 g/g and a saline flow conductivity (SFC) of not less than 1216 cm3·s·10−7/g.

    摘要翻译: 本发明提供一种吸水性树脂颗粒作为必需成分的水性液体吸收剂,适用于卫生材料。 本发明的水性液体吸收剂是以吸水性树脂粒子为必须成分的含水液体吸收剂,其中,吸水性树脂粒子是通过以下工序得到的: 具有羧基的可溶性烯键式不饱和单体,其内部具有交联结构,表现出吸水容量(CRC)为5〜25g / g,盐水流动电导率(SFC)为5〜25g / g的水性液体吸收剂 小于1216厘米3.s.10-7 /克。

    Water-absorbing agent and production process therefor, and sanitary material
    7.
    发明授权
    Water-absorbing agent and production process therefor, and sanitary material 有权
    吸水剂及其生产工艺及卫生材料

    公开(公告)号:US07312278B2

    公开(公告)日:2007-12-25

    申请号:US10333614

    申请日:2002-06-07

    IPC分类号: C08L33/02 C08L63/00

    CPC分类号: A61L15/60

    摘要: There is provided: a production process for a water-absorbing agent having stable properties in a short time; and a water-absorbing agent. The production process comprises the step of blending an acid-group-containing water-absorbent resin powder with a noncrosslinkable water-soluble inorganic base and/or an irreducible alkaline-metal-salt pH buffer and further with a dehydratable crosslinking agent reactable with the acid group, thereby subjecting the resin powder to crosslinking treatment, or comprises the step of blending an acid-group-containing water-absorbent resin powder with the above base and/or pH buffer and further with a crosslinking agent reactable with the acid group, thereby subjecting the resin powder to crosslinking treatment, wherein the resin powder has a weight-average particle diameter of 300 to 600 μm wherein the ratio of fine powders having particle diameters of not larger than 150 μm in the resin powder is not more than 10 weight %.

    摘要翻译: 提供了一种在短时间内具有稳定性能的吸水剂的生产方法; 和吸水剂。 生产方法包括将含酸基的吸水性树脂粉末与不可交联的水溶性无机碱和/或不可还原的碱金属盐pH缓冲剂以及可与酸反应的可脱水交联剂 从而使树脂粉末进行交联处理,或者包括将含酸基的吸水性树脂粉末与上述碱和/或pH缓冲剂以及与酸基反应的交联剂进一步混合的步骤,由此 使树脂粉末进行交联处理,其中树脂粉末的重均粒径为300〜600μm,其中树脂粉末中粒径不大于150μm的细粉末的比率不大于10重量% 。

    Aqueous-Liquid-Absorbing Agent and its Production Process
    8.
    发明申请
    Aqueous-Liquid-Absorbing Agent and its Production Process 有权
    水性吸液剂及其制备方法

    公开(公告)号:US20070207924A1

    公开(公告)日:2007-09-06

    申请号:US10593706

    申请日:2005-03-11

    IPC分类号: B01J20/26

    CPC分类号: C08J3/245

    摘要: An object of the present invention is to provide an aqueous-liquid-absorbing agent which comprises water-absorbent resin particles as essential components and is suitable for uses in sanitary materials. As a means of achieving this object, an aqueous-liquid-absorbing agent according to the present invention is an aqueous-liquid-absorbing agent comprising water-absorbent resin particles as essential components, wherein the water-absorbent resin particles are obtained by a process including the step of polymerizing a water-soluble ethylenically unsaturated monomer and have a crosslinked structure in their inside; with the aqueous-liquid-absorbing agent exhibiting an absorption rate (FSR) of not less than 0.2 g/g/s, a water absorption capacity (CRC) of 5 to 25 g/g, a saline flow conductivity (SFC) of not less than 400×10−7 cm3·s/g, and a wet porosity of not less than 20%. A process according to the present invention for obtaining such an aqueous-liquid-absorbing agent is characterized by comprising the steps of: obtaining a hydrogel from an aqueous monomer solution including a water-soluble ethylenically unsaturated monomer and an internal-crosslinking agent of not less than 0.2 mol % in ratio to the monomer; and then extruding this hydrogel from a perforated structure having perforation diameters in the range of 0.3 to 6.4 mm to thereby pulverize the hydrogel.

    摘要翻译: 本发明的目的是提供一种含水吸收剂,其包含作为必需成分的吸水性树脂粒子,适用于卫生材料。 作为实现该目的的手段,本发明的水性液体吸收剂是以吸水性树脂粒子为必须成分的水性液体吸收剂,其中吸水性树脂粒子是通过 包括聚合水溶性烯键式不饱和单体并在其内部具有交联结构的步骤; 吸水率(FSR)为0.2g / g / s以上,吸水容量(CRC)为5〜25g / g,盐水流动电导率(SFC)不为 小于400×10 -3 cm 3 / g,湿气孔率不小于20%。 根据本发明的用于获得这种水性液体吸收剂的方法的特征在于包括以下步骤:从包含水溶性烯键式不饱和单体和不少于少量的内部交联剂的单体水溶液获得水凝胶 与单体的比例为0.2摩尔%以上; 然后从穿孔直径在0.3至6.4mm范围内的穿孔结构体挤出该水凝胶,从而粉碎水凝胶。

    Water-absorbing agent and method for producing the same
    9.
    发明授权
    Water-absorbing agent and method for producing the same 有权
    吸水剂及其制造方法

    公开(公告)号:US09517289B2

    公开(公告)日:2016-12-13

    申请号:US12680740

    申请日:2008-11-26

    摘要: The present invention provides a water-absorbing agent that includes water-absorbent resin particles as essential components and is suitable for a sanitary material. A water-absorbing agent of the present invention includes water-absorbent resin particles obtained by polymerizing an unsaturated monomer having an acid group. The water-absorbing agent has centrifuge retention capacity (CRC) of 5 to 20 g/g and includes: a compound with a structure unit derived from polyalkyleneglycol other than the unsaturated monomer; and a multivalent metal salt, and accordingly the water-absorbing agent has high saline flow conductivity (SFC) in a range of the above centrifuge retention capacity (CRC).

    摘要翻译: 本发明提供一种吸水剂,其包含作为必要成分的吸水性树脂粒子,适用于卫生材料。 本发明的吸水剂包括通过聚合具有酸基的不饱和单体获得的吸水性树脂颗粒。 吸水剂具有5至20g / g的离心保留容量(CRC),并且包括:具有衍生自不饱和单体以外的聚亚烷基二醇的结构单元的化合物; 和多价金属盐,因此吸水剂在上述离心保留容量(CRC)的范围内具有高的盐水流动电导率(SFC)。