公开(公告)号：US5945495A

公开(公告)日：1999-08-31

申请号：US785723

申请日：1997-01-17

Applicant: Thomas Daniel ,  Norbert Herfert ,  Gustav Remmel ,  Ulrich Riegel ,  Uwe Stuven ,  Fritz Engelhardt

Inventor： Thomas Daniel ,  Norbert Herfert ,  Gustav Remmel ,  Ulrich Riegel ,  Uwe Stuven ,  Fritz Engelhardt

IPC: C08J3/00 ,  C08J3/075 ,  C08F20/06

CPC classification number: C08J3/075

Abstract: The present invention relates to the use of surfactants for improving the drying properties of hydrophilic, highly swellable hydrogels in the course of drying with the aid of contact dryers.

Abstract translation: 本发明涉及使用表面活性剂来改善亲水性高度溶胀性水凝胶在干燥过程中借助于接触式干燥器的干燥性能。

公开(公告)号：US09833769B2

公开(公告)日：2017-12-05

申请号：US13365807

申请日：2012-02-03

Applicant: Thomas Daniel ,  Volker Braig ,  Asif Karim

Inventor： Thomas Daniel ,  Volker Braig ,  Asif Karim

IPC: C08F20/10 ,  C09K3/00 ,  B01J20/26 ,  B29C49/00 ,  B01J20/30 ,  B01J20/28

CPC classification number: B01J20/3021 ,  B01J20/264 ,  B01J20/267 ,  B01J20/28004 ,  B01J20/28047 ,  B01J20/3078 ,  B01J20/3085 ,  B01J2220/68

Abstract: The invention relates to a process for producing water-absorbing polymer particles with high free swell rate, comprising the steps of polymerization, drying, grinding, classification and thermal surface postcrosslinking, remoisturization and drying again.

公开(公告)号：US09150483B2

公开(公告)日：2015-10-06

申请号：US13483705

申请日：2012-05-30

Applicant: Frank Huetten ,  Otto Machhammer ,  Thomas Daniel ,  Markus Ottenbacher ,  Daniel Pfeiffer ,  Stefanie Herzog ,  Manfred Heilig ,  Klaus Joachim Mueller-Engel

Inventor： Frank Huetten ,  Otto Machhammer ,  Thomas Daniel ,  Markus Ottenbacher ,  Daniel Pfeiffer ,  Stefanie Herzog ,  Manfred Heilig ,  Klaus Joachim Mueller-Engel

IPC: C07C51/25 ,  C07C51/42 ,  C07C57/04 ,  C07C51/47

CPC classification number: C08G63/81 ,  C07C51/252 ,  C07C51/42 ,  C07C51/47 ,  C07C57/04 ,  Y02P20/582

Abstract: An aqueous solution comprising acrylic acid and the conjugate base thereof in a total amount of at least 10% by weight, based on the weight of the aqueous solution, and propionic acid and the conjugate base thereof, formic acid and the conjugate base thereof, acetic acid and the conjugate base thereof, benzoic acid and the conjugate base thereof, maleic anhydride, maleic acid and the conjugate bases thereof, phthalic anhydride, phthalic acid and the conjugate bases thereof, acrolein, benzaldehyde, 2-furaldehyde, and at least 20 mol % of at least one alkali metal cation; process for preparing this solution; and the use of this solution for preparation of polymer by free-radical polymerization.

Abstract translation: 包含丙烯酸及其共轭碱的水溶液的总量为至少10重量％，基于水溶液的重量，丙酸及其共轭碱，甲酸及其共轭碱，乙酸 酸及其共轭碱，苯甲酸及其共轭碱，马来酸酐，马来酸及其共轭碱，邻苯二甲酸酐，邻苯二甲酸及其共轭碱，丙烯醛，苯甲醛，2-糠醛，和至少20摩尔 ％的至少一种碱金属阳离子; 制备该溶液的方法; 以及使用该溶液通过自由基聚合制备聚合物。

公开(公告)号：US08846565B2

公开(公告)日：2014-09-30

申请号：US12668183

申请日：2008-07-21

Applicant: Ulrich Riegel ,  Thomas Daniel ,  Dieter Hermeling ,  Mark Elliott ,  Stefan Bruhns

Inventor： Ulrich Riegel ,  Thomas Daniel ,  Dieter Hermeling ,  Mark Elliott ,  Stefan Bruhns

IPC: B01J20/26 ,  B01J20/22 ,  A61L15/60 ,  A61L15/42 ,  A61L15/58

CPC classification number: A61L15/60 ,  A61L15/42 ,  A61L15/58

Abstract: The present invention relates to a water absorbing material obtainable by a process comprising the steps of bringing particles of a non surface-crosslinked water-absorbing polymer in contact with a) at least one postcrosslinker, b) 10-1000 ppm, based on the non surface-crosslinked water-absorbing polymer, of at least one Nitrogen-containing water-soluble polymer of which the Nitrogen can be protonated, and c) at least one hydrophobic polymer and heat-treating the particles thus obtained at a temperature in the range from 120° C. to 300° C. and a method for the production thereof.

Abstract translation: 本发明涉及一种吸水材料，该方法包括以下步骤：使非表面交联的吸水聚合物的颗粒与a）至少一个后交联剂接触，b）10-1000ppm，基于非 - 表面交联的吸水聚合物，其至少一种含氮的水溶性聚合物，其中氮可以被质子化，和c）至少一种疏水性聚合物，并且在如下得到的温度下热处理由此获得的颗粒： 120℃〜300℃及其制造方法。

公开(公告)号：US08742024B2

公开(公告)日：2014-06-03

申请号：US13128558

申请日：2009-11-12

Applicant: Stefan Bruhns ,  Thomas Daniel ,  Dieter Hermeling ,  Ulrich Riegel

Inventor： Stefan Bruhns ,  Thomas Daniel ,  Dieter Hermeling ,  Ulrich Riegel

IPC: C08F8/32 ,  C08F8/00 ,  C08G61/08 ,  C09D175/06 ,  C08F8/42

CPC classification number: C08J3/245 ,  A61L15/60 ,  C08J2300/14

Abstract: A mixture of superabsorbents having differing surface postcrosslinking, more particularly a mixture of differingly surface-postcrosslinked sieve cuts of a base polymer, exhibits improved absorption and retention over a unitarily surface-postcrosslinked superabsorbent.

Abstract translation: 具有不同表面后交联的超吸收剂的混合物，更特别是基础聚合物的表面后交联筛分的混合物在整体表面后交联的超吸收剂上表现出改善的吸收和保留。

公开(公告)号：US08410233B2

公开(公告)日：2013-04-02

申请号：US13058235

申请日：2009-08-10

Applicant: Mark Elliott ,  Thomas Daniel

Inventor： Mark Elliott ,  Thomas Daniel

IPC: C08F2/00 ,  C08F20/02 ,  C08F20/62

CPC classification number: C08F2/00 ,  A61L15/60 ,  C08L101/14

Abstract: To prepare superabsorbents with a low residual monomer content, a salt of urea with an inorganic acid is added to the monomer mixture before or during the polymerization or to the polymer after the polymerization but before a heat treatment which follows the polymerization.

Abstract translation: 为了制备具有低残留单体含量的超吸收剂，在聚合之前或聚合期间将尿素与无机酸的盐加入到单体混合物中，或在聚合之后加入到聚合物之后，但在聚合之后的热处理之前。

公开(公告)号：US08314173B2

公开(公告)日：2012-11-20

申请号：US12521953

申请日：2008-01-29

Applicant: Ulrich Riegel ,  Thomas Daniel ,  Uwe Stueven ,  Mark Elliott ,  Volker Braig ,  Michael de Marco

Inventor： Ulrich Riegel ,  Thomas Daniel ,  Uwe Stueven ,  Mark Elliott ,  Volker Braig ,  Michael de Marco

IPC: C07F7/00

CPC classification number: C08F220/06 ,  A61L15/60 ,  C08K5/098 ,  C08K5/13 ,  C08L33/02

Abstract: Water-absorbing polymeric particles are produced by polymerizing a monomer solution or suspension comprising at least one unsaturated carboxylic acid and at least one hydroquinone monoether, and coating the polymeric particles with at least one salt of a tervalent metal cation of a carboxylic acid and/or at least one basic salt of a tervalent metal cation.

Abstract translation: 吸水聚合物颗粒通过聚合包含至少一种不饱和羧酸和至少一种氢醌单醚的单体溶液或悬浮液，并用至少一种羧酸的三价金属阳离子盐和/或 至少一种三价金属阳离子的碱性盐。

公开(公告)号：US08242191B2

公开(公告)日：2012-08-14

申请号：US12612302

申请日：2009-11-04

Applicant: Volker Braig ,  Thomas Daniel ,  Axel Jentzsch ,  Andreas Brockmeyer

Inventor： Volker Braig ,  Thomas Daniel ,  Axel Jentzsch ,  Andreas Brockmeyer

IPC: C08K5/13 ,  B01J20/26

CPC classification number: A61L15/60 ,  A61F2013/530481 ,  A61F2013/530569 ,  A61F2013/530744 ,  A61F2013/530751 ,  A61L15/20 ,  A61L15/46 ,  A61L2300/216 ,  A61L2300/606 ,  C08J3/245 ,  C08J2333/02 ,  Y10T428/2998

Abstract: A process for producing odor-inhibiting water-absorbing polymer particles based on ethylenically unsaturated monomers bearing acid groups, wherein the acid groups have been neutralized to an extent of from 40 to 70 mol % and the polymer particles are coated with a condensed tannin and/or a hydrolyzable tannin.

Abstract translation: 一种生产具有酸性基团的烯属不饱和单体的气味抑制吸水性聚合物颗粒的方法，其中酸基团已被中和到40-70mol％的程度，聚合物颗粒用缩合单宁和/ 或可水解的单宁。

公开(公告)号：US20120178621A1

公开(公告)日：2012-07-12

申请号：US13395051

申请日：2010-09-14

Applicant: Mark Elliott ,  Thomas Daniel ,  Norbert Herfert

Inventor： Mark Elliott ,  Thomas Daniel ,  Norbert Herfert

IPC: B01J20/26 ,  C08F2/04 ,  C08F230/04

CPC classification number: C08K5/098 ,  A61L2400/10 ,  C08K5/0025 ,  C08K5/005 ,  C08L33/02

Abstract: A superabsorbent produced by polymerizing a monomer mixture which comprises at least one ethylenically unsaturated monomer bearing at least one acid group, at least 0.1% by weight and at most 20% by weight, based on the total amount of ethylenically unsaturated monomers bearing at least one acid group (calculated as the free acid), of at least one alkaline earth metal salt (calculated without water of crystallization) selected from the salts of calcium, strontium or barium having been added before or during the polymerization and/or, if the polymerization is followed by a separate drying step, to the polymer before the drying, exhibits improved stability to discoloration in the course of storage under elevated temperatures and/or elevated air humidity.

Abstract translation: 通过聚合单体混合物而制备的超吸收剂，其包含至少一种具有至少一个酸基团的烯键式不饱和单体，至少0.1重量％至多20重量％，基于具有至少一个 酸性基团（以游离酸计算）至少一种选自在聚合之前或聚合过程中加入的钙，锶或钡盐的碱土金属盐（不结晶水计算）和/或如果聚合 然后在干燥之前对聚合物进行单独的干燥步骤，在高温和/或高空气湿度下储存过程中显示改善的变色稳定性。

公开(公告)号：US20110303872A1

公开(公告)日：2011-12-15

申请号：US13160023

申请日：2011-06-14

Applicant: Norbert Herfert ,  Thomas Daniel ,  Mark Elliott

Inventor： Norbert Herfert ,  Thomas Daniel ,  Mark Elliott

IPC: A61L15/24

CPC classification number: A61L15/56 ,  A61L15/24 ,  A61L15/42 ,  A61L15/62 ,  C08L33/02

Abstract: The invention relates to water-absorbing polymer particles with improved color stability and to processes for production thereof, wherein the water-absorbing polymer particles comprise at least one optical brightener.

Abstract translation: 本发明涉及具有改善颜色稳定性的吸水性聚合物颗粒及其生产方法，其中吸水聚合物颗粒包含至少一种荧光增白剂。