Polyacrylic water-absorbent resin powder and method for producing the same
    41.
    发明申请
    Polyacrylic water-absorbent resin powder and method for producing the same 有权
    聚丙烯酸吸水性树脂粉末及其制造方法

    公开(公告)号:US20110313113A1

    公开(公告)日:2011-12-22

    申请号:US13201701

    申请日:2010-02-17

    摘要: A production method of the present invention is a polyacrylic water-absorbent resin powder production method including the steps of: producing an acrylic monomer solution in which gas is dissolved and/or dispersed; polymerizing the acrylic monomer solution in the absence of a surface active agent or in the presence of not more than 300 ppm of a surface active agent; during or after the step of polymerizing, fragmenting a hydrated gel crosslinked polymer obtained by polymerizing the acrylic monomer solution; and drying by heat the hydrated gel crosslinked polymer thus fragmented, the gas being dissolved and/or dispersed in the acrylic monomer solution by at least one of the methods (a) to (c): (a) applying pressure to the acrylic monomer solution and the gas; (b) creating swirling flows of the acrylic monomer solution and the gas; and (c) introducing the gas with the acrylic monomer solution via fine holes. Accordingly, the production method of the present invention makes it possible to efficiently produce a water-absorbent resin having an excellent water-absorption rate without deteriorating a liquid-absorbent property of a sanitary product or the like.

    摘要翻译: 本发明的制造方法是聚丙烯酸类吸水性树脂粉末的制造方法,其特征在于,包括以下工序:制造溶解和/或分散有气体的丙烯酸类单体溶液; 在不存在表面活性剂的情况下或在不超过300ppm的表面活性剂的存在下聚合丙烯酸类单体溶液; 在通过聚合丙烯酸类单体溶液获得的水合凝胶交联聚合物聚合步骤期间或之后, 并通过加热干燥由此分解的水合凝胶交联聚合物,气体通过方法(a)至(c)中的至少一种溶解和/或分散在丙烯酸单体溶液中:(a)向丙烯酸单体溶液施加压力 和气体; (b)产生丙烯酸单体溶液和气体的旋流; 和(c)通过细孔将丙烯酸单体溶液引入气体。 因此,本发明的制造方法能够有效地制造吸水率优异的吸水性树脂,而不会降低卫生用品等的吸液性。

    METHOD OF TRANSPORTING ABSORBENT RESIN POWDER
    42.
    发明申请
    METHOD OF TRANSPORTING ABSORBENT RESIN POWDER 有权
    运输吸收树脂粉的方法

    公开(公告)号:US20110088806A1

    公开(公告)日:2011-04-21

    申请号:US12935052

    申请日:2009-03-26

    IPC分类号: B65B1/16

    摘要: Provided is a method of transporting an absorbent resin powder, said method being suitable for long-distance transport, and being able to inhibit the deterioration of the properties of the absorbent resin powder while also inhibiting obstructions. During the manufacturing process, the absorbent resin powder is transported pneumatically via transport pipes. This transport method involves two or more air transport devices (A, B, C) within one transport section, and the air transport devices (A, B, C) are connected in series by transport pipes (P1, P2, P3).

    摘要翻译: 提供了一种输送吸收性树脂粉末的方法,所述方法适用于长距离运输,并且能够抑制吸收性树脂粉末的性能的劣化同时也抑制障碍物。 在制造过程中,吸收性树脂粉末通过运输管道气动输送。 该输送方法涉及一个输送部内的两个以上的空气输送装置(A,B,C),空气输送装置(A,B,C)由输送管(P1,P2,P3)串联连接。

    TRANSPORT METHOD FOR ABSORBEND RESIN POWDER
    43.
    发明申请
    TRANSPORT METHOD FOR ABSORBEND RESIN POWDER 有权
    吸收树脂粉的运输方法

    公开(公告)号:US20110110730A1

    公开(公告)日:2011-05-12

    申请号:US12935133

    申请日:2009-03-26

    IPC分类号: B65G53/16

    摘要: [Problem] To provide a pneumatic conveyance method for a water-absorbing resin powder substance, which is capable of suppressing property decrease of the water-absorbing resin powder substance, while suppressing obstruction phenomenon.[Solution] A conveyance method for a water-absorbing resin powder substance by pneumatic conveyance of the water-absorbing resin powder substance during a production step via a transportation pipeline, wherein a variation of a solid-gas ratio (R1/R2) exceeds 1 and is equal to or smaller than 7, provided that R1 (kg-resin/kg-air) stands for an initial solid-gas ratio at a start point of the transportation pipeline, and R2 (kg-resin/kg-air) stands for a terminal solid-gas ratio at a terminal point of the transportation pipeline is provided.

    摘要翻译: 本发明提供一种能够抑制吸水性树脂粉末物质的降低的同时抑制阻塞现象的吸水性树脂粉末物质的气动输送方法。 [解决方案]一种吸水性树脂粉末物质的输送方法,其特征在于,在制造工序中,通过输送管线气动输送吸水性树脂粉末物质,其中固体气体比(R1 / R2)的变化超过1 并且等于或小于7,条件是R1(kg-树脂/ kg-空气)表示在输送管线的起点处的初始固气比,R2(kg-树脂/ kg-空气) 提供了在输送管线的终点处的终端固体气体比。

    Transportation method for water-absorbing resin powder substance
    44.
    发明授权
    Transportation method for water-absorbing resin powder substance 有权
    吸水树脂粉料的运输方式

    公开(公告)号:US09175142B2

    公开(公告)日:2015-11-03

    申请号:US12935052

    申请日:2009-03-26

    IPC分类号: B65G53/00 C08J3/12

    摘要: [PROBLEM] Provided is a transportation method for a water-absorbing resin powder substance, which is capable of suppressing property decrease of the water-absorbing resin powder substance while suppressing blocking phenomenon and is suitable for long distance transportation.[SOLUTION] The present invention is a transportation method for a water-absorbing resin powder substance during a production step by pneumatic transportation via a transportation pipeline. In this transportation method, two or more pneumatic transportation apparatuses (A, B, C) are provided in one transportation section, and these pneumatic transportation apparatuses (A, B, C) are connected by the transportation pipelines (P1, P2, P3) in series.

    摘要翻译: [问题]提供一种吸水性树脂粉末物质的输送方法,其能够抑制吸水性树脂粉末物质的特性降低同时抑制堵塞现象,适用于长距离运输。 [解决方案]本发明是一种通过运输管线气动输送的生产步骤中的吸水性树脂粉末物质的输送方法。 在该运送方法中,在一个运送部中设置有两个以上的气动运送装置(A,B,C),这些气动运送装置(A,B,C)通过输送管道(P1,P2,P3)连接, 系列。

    Conveyance method for water-absorbing resin powder substance
    45.
    发明授权
    Conveyance method for water-absorbing resin powder substance 有权
    吸水树脂粉料的输送方法

    公开(公告)号:US09096732B2

    公开(公告)日:2015-08-04

    申请号:US12935133

    申请日:2009-03-26

    IPC分类号: B65G53/00 C08J3/12

    摘要: [Problem] To provide a pneumatic conveyance method for a water-absorbing resin powder substance, which is capable of suppressing property decrease of the water-absorbing resin powder substance, while suppressing obstruction phenomenon.[Solution] A conveyance method for a water-absorbing resin powder substance by pneumatic conveyance of the water-absorbing resin powder substance during a production step via a transportation pipeline, wherein a variation of a solid-gas ratio (R1/R2) exceeds 1 and is equal to or smaller than 7, provided that R1 (kg-resin/kg-air) stands for an initial solid-gas ratio at a start point of the transportation pipeline, and R2 (kg-resin/kg-air) stands for a terminal solid-gas ratio at a terminal point of the transportation pipeline is provided.

    摘要翻译: 本发明提供一种能够抑制吸水性树脂粉末物质的降低的同时抑制阻塞现象的吸水性树脂粉末物质的气动输送方法。 [解决方案]一种吸水性树脂粉末物质的输送方法,其特征在于,在制造工序中,通过输送管线气动输送吸水性树脂粉末物质,其中固体气体比(R1 / R2)的变化超过1 并且等于或小于7,条件是R1(kg-树脂/ kg-空气)表示在输送管线的起点处的初始固气比,R2(kg-树脂/ kg-空气) 提供了在输送管线的终点处的终端固体气体比。

    PROCESS FOR PRODUCING WATER-ABSORBING RESIN
    46.
    发明申请
    PROCESS FOR PRODUCING WATER-ABSORBING RESIN 有权
    生产吸水树脂的方法

    公开(公告)号:US20110003926A1

    公开(公告)日:2011-01-06

    申请号:US12922203

    申请日:2009-03-13

    IPC分类号: C08L33/06 C08F220/06 C08K3/10

    摘要: In obtaining a water-absorbing resin with high property in high productivity, produced a production method for a water-absorbing resin in high property and stably. Provided is a production method for a water-absorbing resin, comprising: a step for polymerizing an acrylic acid aqueous solution; a step for drying the resultant water-containing gel; a step for pulverizing and classifying the dried substance; and a step for surface cross-linking after classification, wherein a hopper having an inclination angle of a cone part of equal to or larger than 45 degree, and a drawing rate of 30 to 80% is used.

    摘要翻译: 在以高生产率获得高性能的吸水性树脂的情况下,以高性能和稳定地制造吸水性树脂的制造方法。 提供一种吸水性树脂的制造方法,其特征在于,包括:丙烯酸水溶液的聚合工序; 干燥所得含水凝胶的步骤; 干燥物质的粉碎和分级的步骤; 以及分级后的表面交联步骤,其中使用具有等于或大于45度的锥形部分的倾斜角度和30至80%的拉伸速率的料斗。

    Method for producing particulate water-absorbing agent composed principally of water-absorbing resin
    47.
    发明授权
    Method for producing particulate water-absorbing agent composed principally of water-absorbing resin 有权
    主要由吸水树脂组成的颗粒状吸水剂的制造方法

    公开(公告)号:US09051067B2

    公开(公告)日:2015-06-09

    申请号:US12921877

    申请日:2009-03-13

    摘要: Provided is a production method for the particulate water-absorbing agent, which can collecting the fine powders generated during the producing process efficiently without worsening working environment, and also the particulate water-absorbing agent produced by the production method thereof. This production method includes (1) a polymerization step for obtaining a polymer gel, (2) a drying step for drying said polymer gel to obtain a particulate water-absorbing resin, (3) a classification step for sieving said particulate water-absorbing resin, (4) a surface cross-linking step for cross-linking the neighborhood of the surface of said particulate water-absorbing resin (5) a packaging step for filling a packaging material container with said particulate water-absorbing agent for packaging and (6) a transportation step for transporting the products produced in each of the steps to the other steps. In this production method, the fine powders contained in gas composed principally of air, in any of the steps, can be collected by use of a trapping material.

    摘要翻译: 本发明提供一种颗粒状吸水剂的制造方法,其能够有效地收集生产过程中产生的微细粉末而不会使工作环境恶化,也可以通过其制造方法生产的颗粒状吸水剂。 该制造方法包括(1)获得聚合物凝胶的聚合步骤,(2)干燥所述聚合物凝胶以获得颗粒状吸水性树脂的干燥步骤,(3)筛分所述颗粒状吸水性树脂 (4)用于将所述颗粒状吸水树脂(5)的表面附近交联的表面交联步骤,用于将包装材料容器与所述颗粒状吸水剂填充的包装步骤(6 )用于将在每个步骤中生产的产品运送到其他步骤的运输步骤。 在该制造方法中,可以通过使用捕集材料来收集在任何步骤中主要由空气组成的气体中所含的细粉末。

    Water-absorbing agent and its production process
    48.
    发明申请
    Water-absorbing agent and its production process 有权
    吸水剂及其生产工艺

    公开(公告)号:US20060247351A1

    公开(公告)日:2006-11-02

    申请号:US11373215

    申请日:2006-03-13

    IPC分类号: C09D5/08 C08K3/22 C04B26/06

    摘要: A water-absorbing agent according to the present invention includes water-absorbent resin particles having an internal cross-linked structure,.wherein a vicinity of a surface of the water-absorbent resin particle is cross-linked with a surface cross-linking agent, and the water-absorbent resin particle has therein a sea-island structure having (i) part containing a first water-soluble multivalent metal salt such as aluminum sulfate and (ii) part not containing the first water-soluble multivalent metal salt. With this arrangement, it is possible to provide a water-absorbing agent having less water-soluble component content, more excellent liquid permeability, and more excellent water retention under pressure than the conventional water-absorbing agent.

    摘要翻译: 根据本发明的吸水剂包括具有内部交联结构的吸水性树脂颗粒,其中吸水性树脂颗粒的表面附近与表面交联剂交联, 并且吸水性树脂颗粒具有海岛结构,其具有(i)部分含有第一水溶性多价金属盐如硫酸铝和(ii)不含第一水溶性多价金属盐的部分。 通过这种布置,可以提供比常规吸水剂更低的水溶性组分含量,更好的液体渗透性和更优异的保压性的吸水剂。

    Vater-absorbent resin composition and its production process
    49.
    发明申请
    Vater-absorbent resin composition and its production process 有权
    吸水树脂组合物及其制备方法

    公开(公告)号:US20060073969A1

    公开(公告)日:2006-04-06

    申请号:US10544348

    申请日:2004-02-06

    IPC分类号: B01J20/00

    CPC分类号: A61L15/60

    摘要: There are disclosed a water-absorbent resin composition and its production process, wherein the water-absorbent resin composition causes little gel-blocking and is excellent in the liquid permeability and liquid diffusibility and is high also in the absorption performances and further is strong also against the physical damage; and there are further disclosed a water-absorbent resin composition and its production process, wherein the water-absorbent resin composition has the following further advantages, in addition to the above, of involving little segregation of the metal compound and further having a dust prevention effect. One of water-absorbent resin compositions according to the present invention is a water-absorbent resin composition comprising water-absorbent resin particles obtained by polymerizing a monomer including acrylic acid and/or its salt, with the composition having a mass-average particle diameter of 100 to 600 μm and comprising water-soluble polyvalent metal salt particles and the water-absorbent resin particles that have been surface-crosslinked.

    摘要翻译: 公开了吸水性树脂组合物及其制造方法,其中吸水性树脂组合物几乎没有凝胶阻塞,并且液体渗透性和液体扩散性优异,并且吸收性能也高,并且还强 物理伤害; 并且还公开了一种吸水性树脂组合物及其制造方法,其中除了上述之外,吸水性树脂组合物具有以下进一步的优点,即涉及金属化合物几乎不偏析并且还具有防尘效果 。 根据本发明的吸水性树脂组合物之一是吸收性树脂组合物,其包含通过使包含丙烯酸和/或其盐的单体聚合而获得的吸水性树脂颗粒,其组成物的质量平均粒径为 100〜600μm,含有水溶性多价金属盐粒子和表面交联的吸水性树脂粒子。

    Method for production of porous cross-linked polymer
    50.
    发明授权
    Method for production of porous cross-linked polymer 有权
    生产多孔交联聚合物的方法

    公开(公告)号:US06362243B1

    公开(公告)日:2002-03-26

    申请号:US09658171

    申请日:2000-09-08

    IPC分类号: C08J928

    摘要: This invention has for an object thereof the provision of a method for the production of a porous cross-linked polymer which can freely control the upper and lower surface behavior of the porous cross-linked polymer, the width and the thickness of the polymer and can perform continuously a process ranting from a step of supplying the emulsion through a step of polymerizing it. The object of this invention, in the production of a porous cross-linked polymer by polymerizing a water-in-oil type high internal phase emulsion, is accomplished by a method for the production of a porous cross-linked polymer characterized by performing continuously a process ranting from a step of supplying the emulsion through a step of polymerizing it while having the outer surface part of the emulsion retain an atmosphere or a state having a lower oxygen content than the ambient air.

    摘要翻译: 本发明的目的在于提供一种生产多孔交联聚合物的方法,其可以自由地控制多孔交联聚合物的上下表面行为,聚合物的宽度和厚度以及可以 不断进行从乳液供给步骤到通过聚合步骤的工序。本发明的目的是通过聚合油包水型高内相乳液来生产多孔交联聚合物是 通过生产多孔交联聚合物的方法实现,其特征在于连续进行从供给乳液的步骤的过程,该步骤通过使乳液的外表面部分保持气氛或具有 比环境空气低的氧含量。