CA2403966A1 - Pulverulent polymers crosslinked on the surface - Google Patents

Pulverulent polymers crosslinked on the surface Download PDF

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Publication number
CA2403966A1
CA2403966A1 CA002403966A CA2403966A CA2403966A1 CA 2403966 A1 CA2403966 A1 CA 2403966A1 CA 002403966 A CA002403966 A CA 002403966A CA 2403966 A CA2403966 A CA 2403966A CA 2403966 A1 CA2403966 A1 CA 2403966A1
Authority
CA
Canada
Prior art keywords
polymer
pulverulent
post
solution
particularly preferably
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Abandoned
Application number
CA002403966A
Other languages
English (en)
French (fr)
Inventor
Waldemar Inger
Rudiger Hose
Heinz-Peter Bohlmann
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Stockhausen GmbH and Co KG
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=32736990&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA2403966(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Individual filed Critical Individual
Publication of CA2403966A1 publication Critical patent/CA2403966A1/en
Priority claimed from US10/260,313 external-priority patent/US7157141B2/en
Abandoned legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/24Crosslinking, e.g. vulcanising, of macromolecules
    • C08J3/245Differential crosslinking of one polymer with one crosslinking type, e.g. surface crosslinking
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61LMETHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L15/00Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42Use of materials characterised by their function or physical properties
    • A61L15/60Liquid-swellable gel-forming materials, e.g. super-absorbents
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F8/00Chemical modification by after-treatment
    • C08F8/44Preparation of metal salts or ammonium salts
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2300/00Characterised by the use of unspecified polymers
    • C08J2300/14Water soluble or water swellable polymers, e.g. aqueous gels

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Animal Behavior & Ethology (AREA)
  • Veterinary Medicine (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Hematology (AREA)
  • General Chemical & Material Sciences (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Paints Or Removers (AREA)
  • Orthopedics, Nursing, And Contraception (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)
CA002403966A 2000-03-31 2001-03-07 Pulverulent polymers crosslinked on the surface Abandoned CA2403966A1 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE10016041A DE10016041A1 (de) 2000-03-31 2000-03-31 Pulverförmige an der Oberfläche vernetzte Polymerisate
DE10016041.7 2000-03-31
PCT/EP2001/002555 WO2001074913A1 (de) 2000-03-31 2001-03-07 Pulverförmige, an der oberfläche vernetzte polymerisate
US10/260,313 US7157141B2 (en) 2000-03-31 2002-09-27 Pulverulent polymers crosslinked on the surface

Publications (1)

Publication Number Publication Date
CA2403966A1 true CA2403966A1 (en) 2002-09-24

Family

ID=32736990

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002403966A Abandoned CA2403966A1 (en) 2000-03-31 2001-03-07 Pulverulent polymers crosslinked on the surface

Country Status (9)

Country Link
EP (1) EP1280834B1 (https=)
JP (1) JP2003529647A (https=)
CN (1) CN1264870C (https=)
AT (1) ATE267219T1 (https=)
AU (1) AU2001289276A1 (https=)
BR (1) BR0109702A (https=)
CA (1) CA2403966A1 (https=)
DE (1) DE10016041A1 (https=)
WO (1) WO2001074913A1 (https=)

Cited By (6)

* Cited by examiner, † Cited by third party
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US8844729B2 (en) 2006-09-25 2014-09-30 Basf Se Method for grading water-absorbent polymer particles
US8952116B2 (en) 2009-09-29 2015-02-10 Nippon Shokubai Co., Ltd. Particulate water absorbent and process for production thereof
US9062140B2 (en) 2005-04-07 2015-06-23 Nippon Shokubai Co., Ltd. Polyacrylic acid (salt) water-absorbent resin, production process thereof, and acrylic acid used in polymerization for production of water-absorbent resin
US9090718B2 (en) 2006-03-24 2015-07-28 Nippon Shokubai Co., Ltd. Water-absorbing resin and method for manufacturing the same
US9926449B2 (en) 2005-12-22 2018-03-27 Nippon Shokubai Co., Ltd. Water-absorbent resin composition, method of manufacturing the same, and absorbent article
EP4083115B1 (en) 2020-10-29 2024-05-08 Lg Chem, Ltd. Preparation method of super absorbent polymer

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DE50102334D1 (de) * 2000-03-31 2004-06-24 Stockhausen Chem Fab Gmbh Pulverförmige, an der oberfläche vernetzte polymerisate
US20040213892A1 (en) 2003-04-25 2004-10-28 Gerd Jonas Highly swellable absorption medium with reduced caking tendency
DE10052966A1 (de) * 2000-10-25 2002-05-02 Stockhausen Chem Fab Gmbh Hochquellbare Absorptionsmittel mit einer verminderten Tendenz zum Verbacken
EP1404267A2 (de) 2000-11-06 2004-04-07 Klaus Röhm Absorptionsmaterial und verfahren zu dessen herstellung
CN1277583C (zh) 2001-06-08 2006-10-04 株式会社日本触媒 吸水剂及其制备方法,以及卫生材料
GB0124812D0 (en) 2001-10-16 2001-12-05 Polymer Lab Ltd Material
WO2004037900A1 (de) 2002-10-25 2004-05-06 Stockhausen Gmbh Zweistufiges mischverfahren zur herstellung eines absorbierenden polymers
TWI302541B (en) * 2003-05-09 2008-11-01 Nippon Catalytic Chem Ind Water-absorbent resin and its production process
BRPI0411370B1 (pt) 2003-06-24 2018-04-10 Nippon Shokubai Co., Ltd. Composição de resina absorvente de água, absorvente, artigo absorvente, método para produzir uma composição de resina absorvente de água
DE10334286B4 (de) * 2003-07-25 2006-01-05 Stockhausen Gmbh Pulverförmige,wasserabsorbierende Polymere mit mittels thermoplastischen Klebstoffen gebundenen Feinteilchen, Verfahren zu deren Herstellung sowie diese beinhaltende chemische Produkte und Verbunde
JP4539813B2 (ja) * 2003-08-19 2010-09-08 ソニーケミカル&インフォメーションデバイス株式会社 絶縁被覆導電粒子
JP4640923B2 (ja) 2003-09-05 2011-03-02 株式会社日本触媒 粒子状吸水性樹脂組成物の製造方法
EP1516884B2 (en) 2003-09-19 2023-02-22 Nippon Shokubai Co., Ltd. Water-absorbent resin having treated surface and process for producing the same
US7579402B2 (en) * 2003-11-12 2009-08-25 Evonik Stockhausen, Inc. Superabsorbent polymer having delayed free water absorption
US8846823B2 (en) 2004-05-07 2014-09-30 Nippon Shokubai Co., Ltd. Water absorbing agent and production method thereof
EP1671609B2 (en) * 2004-12-17 2014-07-09 The Procter & Gamble Company Discontinuous lotion application onto the topsheet of an absorbent article
JP5099284B2 (ja) * 2005-02-24 2012-12-19 ソニーケミカル&インフォメーションデバイス株式会社 異方性接続シート材料
DE102005018924A1 (de) 2005-04-22 2006-10-26 Stockhausen Gmbh Wasserabsorbierende Polymergebilde mit verbesserten Absorptionseigenschaften
JP5222721B2 (ja) * 2005-04-22 2013-06-26 エフォニック ストックハウゼン ゲーエムベーハー 高吸収性を有する吸水性ポリマー構造体
EP1882701B2 (en) * 2005-05-16 2024-08-14 Sumitomo Seika Chemicals Co., Ltd. Process for production of water-absorbing resin particles, water-absorbing resin particles made by the process, and absorbents and absorbent articles made by using the particles
CN101321785B (zh) * 2005-12-05 2011-11-16 巴斯夫欧洲公司 制备具有高吸收容量和高渗透性的吸水性聚合物的方法
JP5697846B2 (ja) * 2005-12-07 2015-04-08 ビーエーエスエフ ソシエタス・ヨーロピアBasf Se ポリマー粒子の連続的な混合のための方法
BRPI0711452B8 (pt) 2006-04-21 2021-06-22 Evonik Degussa Gmbh processo para a preparação de uma estrutura polimérica absorvente de água, estrutura polimérica absorvente de água, compósito, processo para a preparação de um compósito, uso da estrutura polimérica absorvente de água ou uso do compósito e uso de um sal
DE102006060156A1 (de) 2006-12-18 2008-06-19 Evonik Stockhausen Gmbh Wasserabsorbierende Polymergebilde, welche unter Einsatz von Polymerdispersionen hergestellt wurden
US20110042612A1 (en) * 2007-01-29 2011-02-24 Ulrich Riegel Method for Producing White and Color-Stable Water-Absorbing Polymer Particles Having High Absorbency and High Saline Flow Conductivity
CN101678315B (zh) 2007-03-05 2014-11-12 株式会社日本触媒 吸水剂及其制造方法
JP5689313B2 (ja) 2007-09-28 2015-03-25 株式会社日本触媒 吸水剤及びその製造方法
CN102292362A (zh) * 2008-11-21 2011-12-21 巴斯夫欧洲公司 一种通过单体溶液液滴的聚合而制备渗透性吸水聚合物颗粒的方法
US20100247916A1 (en) 2009-03-24 2010-09-30 Basf Se Process for Producing Surface Postcrosslinked Water-Absorbing Polymer Particles
JP5645924B2 (ja) 2009-04-30 2014-12-24 ビーエーエスエフ ソシエタス・ヨーロピアBasf Se 金属不純物を分離する方法
JP5177439B2 (ja) * 2009-06-23 2013-04-03 デクセリアルズ株式会社 絶縁被覆導電粒子
CN102803316B (zh) 2009-06-26 2015-09-16 巴斯夫欧洲公司 具有低结块倾向和在压力下的高吸收的吸水性聚合物颗粒的制备方法
WO2011042468A2 (de) 2009-10-09 2011-04-14 Basf Se Verfahren zur nachbefeuchtung oberflächennachvernetzter wasserabsorbierender polymerpartikel
JP5722921B2 (ja) * 2011-01-28 2015-05-27 株式会社日本触媒 ポリアクリル酸(塩)系吸水性樹脂粉末の製造方法
EP2683760B1 (de) * 2011-03-08 2018-02-28 Basf Se Verfahren zur herstellung von wasserabsorbierenden polymerpartikeln mit verbesserter permeabilität
DE102011086522A1 (de) * 2011-11-17 2013-05-23 Evonik Degussa Gmbh Superabsorbierende Polymere für hochgefüllte oder faserfreie Hygieneartikel
CN104271622B (zh) 2012-03-30 2017-02-22 巴斯夫欧洲公司 颜色稳定的超吸收剂
US20150225514A1 (en) 2012-09-11 2015-08-13 Nippon Shokubai Co., Ltd. Method for producing polyacrylic acid (salt)-based water absorbing agent, and water absorbing agent
EP2896454B1 (en) 2012-09-11 2022-05-11 Nippon Shokubai Co., Ltd. Method for manufacturing polyacrylic acid (polyacrylate)-based absorbent, and absorbent
EP2952537B1 (en) 2013-01-29 2021-10-27 Nippon Shokubai Co., Ltd. Water-absorbable resin material and method for producing same
EP3085439B1 (en) 2013-12-20 2023-10-04 Nippon Shokubai Co., Ltd. Water absorbing agent based on polyacrylic acid and/or a salt thereof
CN106132534B (zh) 2014-03-31 2020-06-19 株式会社日本触媒 颗粒状吸水剂及其制造方法
KR101919985B1 (ko) * 2015-06-10 2018-11-19 주식회사 엘지화학 내파쇄성 고흡수성 수지 및 그 제조방법
US10532341B2 (en) 2015-07-01 2020-01-14 Nippon Shokubai Co., Ltd. Particulate water absorbing agent
JP7254793B2 (ja) 2017-11-10 2023-04-10 ビーエーエスエフ ソシエタス・ヨーロピア 高吸収体
JP7361714B2 (ja) 2018-04-10 2023-10-16 ビーエーエスエフ ソシエタス・ヨーロピア 浸透性超吸収体、及びそれを製造する方法
KR20210041070A (ko) 2018-09-28 2021-04-14 가부시키가이샤 닛폰 쇼쿠바이 흡수성 수지 분말의 제조 방법 및 흡수성 수지 분말
EP4004072A1 (en) 2019-07-24 2022-06-01 Basf Se Permeable superabsorbent and process for production thereof
JP7371956B2 (ja) * 2019-09-30 2023-10-31 エルジー・ケム・リミテッド 高吸水性樹脂の製造方法

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Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9062140B2 (en) 2005-04-07 2015-06-23 Nippon Shokubai Co., Ltd. Polyacrylic acid (salt) water-absorbent resin, production process thereof, and acrylic acid used in polymerization for production of water-absorbent resin
US9926449B2 (en) 2005-12-22 2018-03-27 Nippon Shokubai Co., Ltd. Water-absorbent resin composition, method of manufacturing the same, and absorbent article
US10358558B2 (en) 2005-12-22 2019-07-23 Nippon Shokubai Co., Ltd. Water-absorbent resin composition, method of manufacturing the same, and absorbent article
US9090718B2 (en) 2006-03-24 2015-07-28 Nippon Shokubai Co., Ltd. Water-absorbing resin and method for manufacturing the same
US8844729B2 (en) 2006-09-25 2014-09-30 Basf Se Method for grading water-absorbent polymer particles
US8952116B2 (en) 2009-09-29 2015-02-10 Nippon Shokubai Co., Ltd. Particulate water absorbent and process for production thereof
US9775927B2 (en) 2009-09-29 2017-10-03 Nippon Shokubai Co., Ltd. Particulate water absorbent and process for production thereof
EP4083115B1 (en) 2020-10-29 2024-05-08 Lg Chem, Ltd. Preparation method of super absorbent polymer
US12583980B2 (en) 2020-10-29 2026-03-24 Lg Chem, Ltd. Preparation method of super absorbent polymer

Also Published As

Publication number Publication date
DE10016041A1 (de) 2001-10-04
ATE267219T1 (de) 2004-06-15
CN1264870C (zh) 2006-07-19
BR0109702A (pt) 2003-02-04
EP1280834B1 (de) 2004-05-19
JP2003529647A (ja) 2003-10-07
WO2001074913A1 (de) 2001-10-11
CN1426426A (zh) 2003-06-25
AU2001289276A1 (en) 2001-10-15
EP1280834A1 (de) 2003-02-05

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Legal Events

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FZDE Discontinued