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    • 3. 发明授权
    • Particulate water-absorbent resin composition
    • 颗粒状吸水性树脂组合物
    • US07285615B2
    • 2007-10-23
    • US10926992
    • 2004-08-27
    • Yoshifumi AdachiToshimasa KitayamaYorimichi Dairoku
    • Yoshifumi AdachiToshimasa KitayamaYorimichi Dairoku
    • C08F2/00C08F120/02C08F20/06A61F13/00
    • A61L15/60Y10T428/2982
    • An object of the present invention is to provide a particulate water-absorbent resin composition which is so excellent that: the absorption ability in an initial short time is secured in some degree, and further, the absorption capacity lastingly increases over a long period, and also the liquid permeability and the liquid diffusibility can be secured. As a means of achieving this object, a particulate water-absorbent resin composition according to the present invention is a particulate water-absorbent resin composition comprising a carboxyl-group-containing water-absorbent resin in an amount of not smaller than 80 mass %, with the composition being characterized by being: not less than 20 g/g in specific-particle-diameter absorption capacity under load (0.29 psi (2.00 kPa), 1 hour); and not less than 3 g/g in specific-particle-diameter absorption index increment in 20 hours.
    • 本发明的目的是提供一种如此优异的颗粒状吸水性树脂组合物,其在初期短时间内的吸收能力在一定程度上得到保证,而且吸收能力在长时间内持续增加, 还可以确保液体渗透性和液体扩散性。 作为实现该目的的手段,本发明的颗粒状吸水性树脂组合物是含有不小于80质量%的含羧基的吸水性树脂的颗粒状吸水性树脂组合物, 该组合物的特征在于:在负载(0.29psi(2.00kPa)下1小时)的特定粒径吸收容量不小于20g / g; 并且在20小时内的特定粒径吸收指数增量不小于3g / g。
    • 5. 发明申请
    • Water absorbent and producing method of same
    • 吸水剂及其制备方法
    • US20070123658A1
    • 2007-05-31
    • US10572565
    • 2004-09-17
    • Kazushi ToriiHirofumi ShibataTaku IwamuraYoshio IrieYorimichi DairokuYoshiro MitsukamiSayaka Machida
    • Kazushi ToriiHirofumi ShibataTaku IwamuraYoshio IrieYorimichi DairokuYoshiro MitsukamiSayaka Machida
    • C08F120/02
    • C08J3/245A61L15/60B01J20/261B01J2220/68C08F20/06C08J2333/00
    • An object of the present invention is to provide a water absorbent having excellent gel properties and showing excellent properties when used in a water-absorbing material of a sanitary/hygienic material such as paper diaper. Moreover, another object of the present invention is to provide a water absorbent which is safe and excellent in liquid permeability, and in which an amount of liquid permeability improver for improving the liquid permeability is reduced. The water absorbent is made from a water-absorbing resin prepared by a specific polymerization method and having a high degree of cross-linking, a high liquid holding property and a high gel strength (its swelling pressure of gel layer of is 35 kdyne/cm2 or more). This water absorbent is further processed to have a particular particle size distribution (95 wt % or more of its particles are less than 850ƒÊm but not less than 106ƒÊm, and logarithmic standard deviation (ƒĐƒÄ) is in a range of 0.25 to 0.45) and then surface cross-linked. After that, a liquid permeability improver is added therein.
    • 本发明的目的是提供一种具有优异凝胶性能的吸水剂,并且当用于诸如纸尿布的卫生/卫生材料的吸水材料时显示出优异的性能。 此外,本发明的另一个目的是提供一种安全且透液性优异的吸水剂,并且其中用于提高液体渗透性的液体渗透性改进剂的量减少。 吸水剂由具有高交联度,高液体保持性和高凝胶强度(凝胶层的溶胀压力为35kDyne / cm2)的特定聚合方法制成的吸水性树脂 或者更多)。 该吸水剂被进一步处理以具有特定的粒度分布(其颗粒的95重量%以上小于850微米但不小于106微米,对数标准偏差(fDfÄ)在0.25至0.45的范围内),然后 表面交联。 之后,加入液体渗透性改进剂。
    • 6. 发明申请
    • Polymers in a solid state
    • 聚合物处于固态
    • US20060004148A1
    • 2006-01-05
    • US10506773
    • 2003-03-19
    • Ueli SulserIrene SchoberUrs MaderUlf Vehen
    • Ueli SulserIrene SchoberUrs MaderUlf Vehen
    • C08F120/02
    • C08G81/025C04B24/2647C04B24/2658C04B24/2694C04B40/0039C04B2103/0045C04B2103/30C04B2103/408C08F283/06C08F287/00C08G81/021C08L51/006C08L51/08C04B24/26C04B28/02C04B2103/00C08L2666/02
    • The invention relates to polymers in a solid state which may be obtained by reaction of at least one polymer, produced from at least one monomer, selected from unsaturated mono- or di-carboxylic acids, or analogues of unsaturated mono- or di-carboxylic acids and optionally at least one ethylenically-unsaturated monomer with at least one polymer which is terminated at one end by terminal groups which are non-reactive under normal reaction conditions and hydroxy- or amino-functionalised at the other end thereof and, optionally, at least one amine. The invention further relates to polymers in a solid sate which may be obtained by the reaction of at least one monomer, selected from unsaturated mono- or di-carboxylic acids or analogues of unsaturated mono- or di-carboxylic acids in the presence of a radical initiating agent with at least one monomer, selected from the group of unsaturated esters or amides of a polymer, terminated at one end by terminal groups which are non-reactive under normal reaction conditions and hydroxy- or amino-functionalised at the other end thereof, with optionally at least one ethylenically unsaturated monomer. The production and use of solid polymers as dispersants and fluidising agents in cement systems is also disclosed.
    • 本发明涉及固体聚合物,其可以通过至少一种由至少一种选自不饱和单羧酸或不饱和一羧酸或二羧酸的单体的单体制得的聚合物 和至少一种具有至少一种聚合物的烯键式不饱和单体,所述聚合物的一端由在正常反应条件下为非反应性的端基和在其另一端为羟基或氨基官能化的端基和任选地至少 一种胺。 本发明还涉及固相的聚合物,其可以通过至少一种选自不饱和单羧酸或不饱和单羧酸或不饱和单羧酸或二羧酸的类似物的单体在基团存在下反应获得 引发剂与至少一种选自聚合物的不饱和酯或酰胺的单体组成,其一端以正常反应条件为非反应性的端基和在其另一端为羟基或氨基官能化的端基封端, 和任选的至少一种烯属不饱和单体。 还公开了在水泥体系中生产和使用固体聚合物作为分散剂和流化剂。
    • 7. 发明申请
    • Production processes for basic water-absorbent resin and water-absorbing agent, and use thereof
    • 碱性吸水性树脂和吸水剂的制造方法及其用途
    • US20040087730A1
    • 2004-05-06
    • US10689075
    • 2003-10-21
    • Nobuyuki HaradaShigeru SakamotoYoshifumi AdachiKazuhisa HitomiKazushi ToriiToshimasa Kitayama
    • C08F120/02
    • C08J3/245C08J3/12C08J3/122C08J2300/14Y10T428/2982
    • The present invention provides: a production process for a basic water-absorbent resin to be a main component of a water-absorbing agent which exhibits an excellent water absorption capacity under a load with high productivity; a production process for a water-absorbing agent; and use thereof. The production process for an irregular shape basic water-absorbent resin comprises the step of reacting a basic resin and a crosslinking agent in order to obtain the basic water-absorbent resin, with the process forwarding a crosslinking reaction and pulverizing the resultant product at the same time. The first production process for a water-absorbing agent comprises the step of blending an acidic water-absorbent resin with the basic water-absorbent resin obtained by the above-mentioned process. The second production process for a water-absorbing agent comprises the step of obtaining a mixture of an acidic water-absorbent resin and the basic water-absorbent resin by coexisting with the acidic water-absorbent resin when carrying out the crosslinking reaction and the pulverization in the above-mentioned process.
    • 本发明提供:作为吸水剂的主要成分的碱性吸水性树脂的制造方法,其在高生产率的负载下表现出优异的吸水能力; 吸水剂的生产方法; 及其用途。 不规则形状的基本吸水性树脂的制造方法包括使碱性树脂和交联剂反应以获得碱性吸水性树脂的步骤,其中进行交联反应并将所得产物在相同的条件下粉碎 时间。 吸水剂的第一种制备方法包括将酸性吸水性树脂与通过上述方法获得的碱性吸水性树脂混合的步骤。 吸水剂的第二制造方法包括以下步骤:当进行交联反应和粉碎时,通过与酸性吸水性树脂共存获得酸性吸水性树脂和碱性吸水性树脂的混合物 上述过程。