中科微点-全球专利检索

  1. Login
  2. Sign Up

Search Results

11 records (took 0.013 seconds)

    PROCESS FOR THE CONTINUOUS PREPARATION OF WATER-ABSORBENT POLYMERS
    3.
    发明申请
    PROCESS FOR THE CONTINUOUS PREPARATION OF WATER-ABSORBENT POLYMERS 审中-公开
    连续制备吸水聚合物的方法

    公开(公告)号：WO2013104479A1

    公开(公告)日：2013-07-18

    申请号：PCT/EP2012/075358

    申请日：2012-12-13

    Applicant: EVONIK DEGUSSA GMBH ,  VORHOLT, Herbert ,  RUDOLPH, Henry ,  REIMANN, Armin ,  BECKER, Volker ,  JUNG, Detlef ,  VAN STIPHOUDT, Manfred

    Inventor： VORHOLT, Herbert ,  RUDOLPH, Henry ,  REIMANN, Armin ,  BECKER, Volker ,  JUNG, Detlef ,  VAN STIPHOUDT, Manfred

    IPC: C08F6/00 ,  A61L15/22 ,  A61L15/60 ,  C08J3/24 ,  C08L33/02 ,  F26B3/20

    CPC classification number: A61L15/60 ,  A61L15/24 ,  C08F6/008 ,  C08J3/075 ,  C08J3/245 ,  C08J2333/02 ,  F26B17/023 ,  Y10T428/254 ,  Y10T428/2998

    Abstract: The invention relates generally to a process for the preparation of water-absorbent polymer particles, comprising the process steps of (i) preparing an aqueous monomer solution comprising at least partially neutralized, monoethylenically unsaturated monomers bearing carboxylic acid groups (α1) and at least one crosslinker (α3); (ii) optionally adding fine particles of a water-absorbent polymer to the aqueous monomer solution; (iii) adding a polymerization initiator or a at least one component of a polymerization initiator system that comprises two or more components to the aqueous monomer solution; (iv) decreasing the oxygen content of the aqueous monomer solution; (v) charging the aqueous monomer solution into a polymerization reactor; (vi) polymerizing the monomers in the aqueous monomer solution in the polymerization reactor; (vii) discharging the polymer gel strand out of the polymerization reactor and optionally comminuting the polymer gel thereby obtaining polymer gel particles; (viii) drying the polymer gel particles; (ix) grinding the dried polymer gel particles thereby obtaining particulate water-absorbent polymer particles; (x) sizing the grinded water-absorbent polymer particles; and (xi) treating the surface of the grinded and sized water-absorbent polymer particles; wherein in process step (viii) the gel particles obtained in process step (vii) are charged onto the surface of the belt material of a belt dryer at a position L o and are subsequently dried on their way through the belt dryer and wherein the belt material has been cooled before coming into contact with the gel particles. The invention also relates to water-absorbent polymer particles obtainable by such a process, to a composite material, to a process for the preparation of a composite material, to the composite material obtainable by such a process, to chemical products and to the use of the water-absorbent polymer particles or a composite material.

    Abstract translation: 本发明一般涉及一种制备吸水性聚合物颗粒的方法，其包括以下工艺步骤：（i）制备含有至少部分中和的带有羧酸基团（α1）的至少部分中和的单烯属不饱和单体和至少一种 交联剂（α3）; （ii）任选地向单体水溶液中加入吸水性聚合物微粒; （iii）向单体水溶液中加入聚合引发剂或至少一种包含两种或多种组分的聚合引发剂体系的组分; （iv）降低单体水溶液的氧含量; （v）将单体水溶液装入聚合反应器中; （vi）在聚合反应器中使单体在单体水溶液中聚合; （vii）将聚合物凝胶线排出聚合反应器，并任选地粉碎聚合物凝胶，从而获得聚合物凝胶颗粒; （viii）干燥聚合物凝胶颗粒; （ix）研磨干燥的聚合物凝胶颗粒，从而获得颗粒状吸水聚合物颗粒; （x）调整研磨的吸水性聚合物颗粒的尺寸; 和（xi）处理研磨和尺寸的吸水性聚合物颗粒的表面; 其中在工艺步骤（viii）中，将方法步骤（vii）中获得的凝胶颗粒装入位于Lo的带式干燥器的带材料的表面上，随后在其通过带式干燥器的途中干燥，并且其中带材料 在与凝胶颗粒接触之前已被冷却。 本发明还涉及通过这种方法获得的吸水性聚合物颗粒，复合材料，复合材料的制备方法，可通过这种方法获得的复合材料，化学产品和使用 吸水性聚合物颗粒或复合材料。

    SILO-VORRICHTUNG FÜR SUPERABSORBIERENDE POLYMERE
    4.
    发明申请
    SILO-VORRICHTUNG FÜR SUPERABSORBIERENDE POLYMERE 审中-公开
    SILO设备超吸聚合物

    公开(公告)号：WO2005077786A1

    公开(公告)日：2005-08-25

    申请号：PCT/EP2005/001150

    申请日：2005-02-04

    Applicant: STOCKHAUSEN GMBH ,  HÄUSLER, Hans-Jochen ,  NAHLER, Bernd ,  REIMANN, Armin ,  BECKER, Volker

    Inventor： HÄUSLER, Hans-Jochen ,  NAHLER, Bernd ,  REIMANN, Armin ,  BECKER, Volker

    IPC: B65D88/56

    CPC classification number: B65D88/56

    Abstract: Silo-Vorrichtung (1) umfassend einen Behälter (2) mit einem superabsorbierende Polymere (3) umfassenden Inhalt und eine Halterung (4), wobei Mittel zur Erzeugung einer Relativbewegung von Behälter (2) und Halterung (4) vorgesehen sind. Weiter wird eine Transporteinheit (11) und eine Verbraucheranlage (16) für eine solche Silo-Vorrichtung (1) vorgeschlagen. Zusätzlich wird ein vorteilhaftes Verfahren zur Bereitstellung von superabsorbierenden Polymeren (3) erläutert.

    Abstract translation: 筒仓装置（1）包括容器（2）与高吸收性聚合物（3）的内容和包含（4），所述装置的保持器，用于产生提供（4）的容器（2）和支架的相对运动。 此外，传送单元（11）和一个安装消费者（16），用于这样的筒仓装置（1）提出。 此外，用于提供超吸收性聚合物（3）的有利方法进行说明。

    COOLING NEUTRALIZED ACRYLIC ACID BY MEANS OF AN ABSORPTION CHILLER
    5.
    发明申请
    COOLING NEUTRALIZED ACRYLIC ACID BY MEANS OF AN ABSORPTION CHILLER 审中-公开
    通过吸收式冷冻机冷却中和丙烯酸

    公开(公告)号：WO2013104480A1

    公开(公告)日：2013-07-18

    申请号：PCT/EP2012/075360

    申请日：2012-12-13

    Applicant: EVONIK DEGUSSA GMBH ,  VORHOLT, Herbert ,  RUDOLPH, Henry ,  VAN STIPHOUDT, Manfred ,  REIMANN, Armin ,  JUNG, Detlef ,  BEERHORST, Martin, W. ,  GRUPE, Heinz-Peter ,  BECKER, Volker

    Inventor： VORHOLT, Herbert ,  RUDOLPH, Henry ,  VAN STIPHOUDT, Manfred ,  REIMANN, Armin ,  JUNG, Detlef ,  BEERHORST, Martin, W. ,  GRUPE, Heinz-Peter ,  BECKER, Volker

    IPC: C08F6/00 ,  A61L15/22 ,  A61L15/60 ,  C08F8/44 ,  C08J3/00 ,  C08L33/02 ,  F25B15/02

    CPC classification number: A61L15/60 ,  A61L15/24 ,  C08F6/008 ,  C08F220/06 ,  C08J3/075 ,  C08J2333/02 ,  C08L33/02 ,  F25B15/06 ,  Y10T428/254

    Abstract: The invention relates generally to a process for the preparation of water-absorbent polymer particles, comprising the process steps of (i) preparing an aqueous monomer solution comprising at least partially neutralized, monoethylenically unsaturated monomers bearing carboxylic acid groups (α1) and at least one crosslinker (α3); (ii) optionally adding fine particles of a water-absorbent polymer to the aqueous monomer solution; (iii) adding a polymerization initiator or a at least one component of a polymerization initiator system that comprises two or more components to the aqueous monomer solution; (iv) decreasing the oxygen content of the aqueous monomer solution; (v) charging the aqueous monomer solution into a polymerization reactor; (vi) polymerizing the monomers in the aqueous monomer solution in the polymerization reactor; (vii) discharging the polymer gel strand out of the polymerization reactor and optionally comminuting the polymer gel thereby obtaining polymer gel particles; (viii) drying the polymer gel particles; (ix) grinding the dried polymer gel particles thereby obtaining particulate water-absorbent polymer particles; (x) sizing the grinded water-absorbent polymer particles; and (xi) treating the surface of the grinded and sized water-absorbent polymer particles; wherein in process step (i) the preparation of the aqueous monomer solution comprises the step of: (ia) at least partially neutralizing acrylic acid by mixing acrylic acid with an aqueous solution of sodium hydroxide, thereby obtaining an aqueous solution of the at least partially neutralized acrylic acid; (ib) cooling the aqueous solution of the at least partially neutralized acrylic acid with a cooling liquid in a heat exchanger (2), wherein the cooling liquid used in the heat exchanger has been cooled in an absorption chiller (3) in which at least a part of the heat of the heated cooling liquid obtained in the heat exchanger (2) is consumed by the evaporation of a refrigerant liquid in a vacuum that is created by the absorption of a refrigerant vapour into an absorbent. The invention also relates to water-absorbent polymer particles obtainable by such a process, to a composite material, to a process for the preparation of a composite material, to the composite material obtainable by such a process, to chemical products and to the use of the water-absorbent polymer particles or a composite material.

    Abstract translation: 本发明一般涉及一种制备吸水性聚合物颗粒的方法，其包括以下工艺步骤：（i）制备含有至少部分中和的带有羧酸基团（α1）的单烯属不饱和单体和至少一种 交联剂（α3）; （ii）任选地向单体水溶液中加入吸水性聚合物微粒; （iii）向单体水溶液中加入聚合引发剂或包含两种或多种组分的聚合引发剂体系的至少一种组分; （iv）降低单体水溶液的氧含量; （v）将单体水溶液装入聚合反应器中; （vi）在聚合反应器中使单体在单体水溶液中聚合; （vii）将聚合物凝胶线排出聚合反应器，并任选地粉碎聚合物凝胶，从而获得聚合物凝胶颗粒; （viii）干燥聚合物凝胶颗粒; （ix）研磨干燥的聚合物凝胶颗粒，从而获得颗粒状吸水聚合物颗粒; （x）调整研磨的吸水性聚合物颗粒的尺寸; 和（xi）处理研磨和尺寸的吸水性聚合物颗粒的表面; 其中在工艺步骤（i）中，单体水溶液的制备包括以下步骤：（ia）通过将丙烯酸与氢氧化钠水溶液混合来至少部分中和丙烯酸，从而获得至少部分 中和的丙烯酸; （ib）在热交换器（2）中用冷却液将所述至少部分中和的丙烯酸的水溶液冷却，其中在热交换器中使用的冷却液体已经在吸收式制冷机（3）中冷却，其中至少 在热交换器（2）中获得的加热的冷却液体的热量的一部分被制冷剂液体在由制冷剂蒸气吸收到吸收剂中而产生的真空中蒸发而消耗。 本发明还涉及通过这种方法获得的吸水性聚合物颗粒，复合材料，复合材料的制备方法，可通过这种方法获得的复合材料，化学产品和使用 吸水性聚合物颗粒或复合材料。

    SURFACE POST CROSS-LINKED SUPERABSORBENT POLYMERS TREATED WITH ORGANIC AND INORGANIC FINE-GRAINED PARTICLES
    9.
    发明申请
    SURFACE POST CROSS-LINKED SUPERABSORBENT POLYMERS TREATED WITH ORGANIC AND INORGANIC FINE-GRAINED PARTICLES 审中-公开
    表面后交联吸收剂，具有有机和无机经处理的罚款

    公开(公告)号：WO2007121941A3

    公开(公告)日：2009-01-15

    申请号：PCT/EP2007003483

    申请日：2007-04-20

    Applicant: EVONIK STOCKHAUSEN GMBH ,  WALDEN MIRKO ,  TENI RAINER ,  REIMANN ARMIN ,  SCHMIDT HARALD

    Inventor： WALDEN MIRKO ,  TENI RAINER ,  REIMANN ARMIN ,  SCHMIDT HARALD

    IPC: A61L15/60 ,  C08F8/44 ,  C08J3/24

    CPC classification number: C08L101/14

    Abstract: The invention relates to a superabsorbent polymer composition containing: a water-absorbent polymer structure that is at least surface cross-linked and comprises a surface; a plurality of fine-grained particles that is at least partially immobilised on the surface of the structure. The invention also relates to a method for producing a superabsorbent polymer composition, to the superabsorbent polymer composition that can be obtained using said method, to a composite comprising the superabsorbent polymer composition according to the invention, to a method for producing a composite, to the composite that can be obtained using said method, to the use of the superabsorbent polymer composition according to the invention in chemical products and to chemical products comprising said superabsorbent polymer composition or composite.

    Abstract translation: 本发明涉及超吸收性组合物，包含具有以下结构的表面，一个结构表面上的至少部分地固定多个微粒上形成至少表面交联的吸水性聚合物结构。 本发明还涉及一种用于生产超吸收组合物，由该方法获得的超吸收组合物，包含本发明，用于制备复合材料，用这种方法合成得到的，使用本发明的化学产品和化学产品的超吸收组合物的方法的超吸收组合物的复合物 包含本发明或根据本发明的复合材料的超吸收性组合物。

    HERSTELLUNG VON HOCHPERMEABLEN, SUPERABSORBIERENDEN POLYMERGEBILDEN
    10.
    发明申请
    HERSTELLUNG VON HOCHPERMEABLEN, SUPERABSORBIERENDEN POLYMERGEBILDEN 审中-公开
    制造高渗透性，高吸水性聚合物结构

    公开(公告)号：WO2007121941A2

    公开(公告)日：2007-11-01

    申请号：PCT/EP2007/003483

    申请日：2007-04-20

    Applicant: STOCKHAUSEN GMBH ,  WALDEN, Mirko ,  TENI, Rainer ,  REIMANN, Armin ,  SCHMIDT, Harald

    Inventor： WALDEN, Mirko ,  TENI, Rainer ,  REIMANN, Armin ,  SCHMIDT, Harald

    IPC: A61L15/60 ,  C08F8/44 ,  C08J3/24

    CPC classification number: C08L101/14

    Abstract: Die vorliegende Erfindung betrifft eine Superabsorberzusammensetzung, beinhaltend ein zumindest oberflächenvernetztes wasserabsorbierendes Polymergebilde mit einer Gebildeoberfläche, eine auf der Gebildeoberfläche mindestens teilweise immobilisierte Vielzahl von Feinstteilchen. Die Erfindung betrifft weiterhin ein Verfahren zur Herstellung einer Superabsorberzusammensetzung, die durch dieses Verfahren erhältliche Superabsorberzusammensetzung, einen Verbund umfassend die erfindungsgemäße Superabsorberzusammensetzung, ein Verfahren zur Herstellung eines Verbundes, den durch dieses Verfahren erhältlichen Verbund, die Verwendung der erfindungsgemäßen Superabsorberzusammensetzung in chemischen Produkten sowie chemische Produkte umfassend die erfindungsgemäße Superabsorberzusammensetzung oder den erfindungsgemäßen Verbund.

    Abstract translation: 本发明涉及超吸收性组合物，包含具有以下结构的表面，一个结构表面上的至少部分地固定多个微粒上形成至少表面交联的吸水性聚合物结构。 本发明还涉及一种用于生产超吸收组合物，由该方法获得的超吸收组合物，包含本发明，用于制备复合材料，用这种方法合成得到的，使用本发明的化学产品和化学产品的超吸收组合物的方法的超吸收组合物的复合物 包含本发明或根据本发明的复合材料的超吸收性组合物。

Patent Agency Ranking