DE69306334T2 - Verbesserung in der Herstellung von superabsorbierenden Polyacrylaten - Google Patents

Verbesserung in der Herstellung von superabsorbierenden Polyacrylaten

Info

Publication number
DE69306334T2
DE69306334T2 DE69306334T DE69306334T DE69306334T2 DE 69306334 T2 DE69306334 T2 DE 69306334T2 DE 69306334 T DE69306334 T DE 69306334T DE 69306334 T DE69306334 T DE 69306334T DE 69306334 T2 DE69306334 T2 DE 69306334T2
Authority
DE
Germany
Prior art keywords
monomer
gel
polymerisation
improvement
production
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.)
Expired - Fee Related
Application number
DE69306334T
Other languages
English (en)
Other versions
DE69306334D1 (de
Inventor
Shu Rong Rebre
Christian Collette
Andre Kowalik
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.)
Arkema France SA
Original Assignee
Elf Atochem SA
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
Application filed by Elf Atochem SA filed Critical Elf Atochem SA
Publication of DE69306334D1 publication Critical patent/DE69306334D1/de
Application granted granted Critical
Publication of DE69306334T2 publication Critical patent/DE69306334T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F20/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
    • C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
    • C08F20/04—Acids, Metal salts or ammonium salts thereof
    • C08F20/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS 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
    • A61L15/00—Chemical aspects of, or use of materials for, bandages, dressings or absorbent pads
    • A61L15/16—Bandages, dressings or absorbent pads for physiological fluids such as urine or blood, e.g. sanitary towels, tampons
    • A61L15/42—Use of materials characterised by their function or physical properties
    • A61L15/60—Liquid-swellable gel-forming materials, e.g. super-absorbents
DE69306334T 1992-08-12 1993-06-30 Verbesserung in der Herstellung von superabsorbierenden Polyacrylaten Expired - Fee Related DE69306334T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9209960A FR2694756B1 (fr) 1992-08-12 1992-08-12 Perfectionnement pour la préparation de polyacrylates superabsorbants.

Publications (2)

Publication Number Publication Date
DE69306334D1 DE69306334D1 (de) 1997-01-16
DE69306334T2 true DE69306334T2 (de) 1997-05-22

Family

ID=9432813

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69306334T Expired - Fee Related DE69306334T2 (de) 1992-08-12 1993-06-30 Verbesserung in der Herstellung von superabsorbierenden Polyacrylaten

Country Status (10)

Country Link
US (2) US5397845A (de)
EP (1) EP0583178B1 (de)
JP (1) JP2622345B2 (de)
AT (1) ATE145924T1 (de)
DE (1) DE69306334T2 (de)
DK (1) DK0583178T3 (de)
ES (1) ES2096240T3 (de)
FR (1) FR2694756B1 (de)
GR (1) GR3022635T3 (de)
SG (1) SG52724A1 (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5904697A (en) * 1995-02-24 1999-05-18 Heartport, Inc. Devices and methods for performing a vascular anastomosis
WO1998005420A1 (fr) * 1996-08-07 1998-02-12 Nippon Shokubai Co., Ltd. Produit hydrophile et procede d'elaboration
WO1998047454A1 (en) 1997-04-18 1998-10-29 The Procter & Gamble Company Absorbent members for body fluids using hydrogel-forming absorbent polymer
EA002367B1 (ru) * 1997-12-18 2002-04-25 Унилевер Н.В. Состав для ухода за полостью рта
US6514615B1 (en) * 1999-06-29 2003-02-04 Stockhausen Gmbh & Co. Kg Superabsorbent polymers having delayed water absorption characteristics
ATE340199T1 (de) * 2001-06-28 2006-10-15 Basf Ag Saure hochquellfähige hydrogele
JP4607379B2 (ja) * 2001-07-13 2011-01-05 住友精化株式会社 連続凝集装置およびこれを備えた多段重合装置
EP1512417B1 (de) * 2003-09-02 2013-06-19 Nippon Shokubai Co., Ltd. Teilchenförmige, wasserabsorbierende Harzzusammensetzung
KR100705659B1 (ko) 2005-01-17 2007-04-10 (주)폴리머스넷 아크릴레이트계 고분자 수지
KR100705656B1 (ko) 2005-02-17 2007-04-10 (주)폴리머스넷 직접 도장이 가능한 폴리프로필렌계 복합소재 조성물
KR100690975B1 (ko) 2005-02-24 2007-03-09 (주)폴리머스넷 표면 인쇄성이 향상된 폴리올레핀계 수지 조성물
DE102005042606A1 (de) 2005-09-07 2007-03-08 Basf Ag Neutralisationsverfahren
EP2011803B1 (de) * 2006-04-24 2011-09-07 Sumitomo Seika Chemicals Co., Ltd. Herstellungsverfahren für wasserabsorbierende partikel und mit dem verfahren hergestellte wasserabsorbierende partikel
JP5478897B2 (ja) 2007-01-24 2014-04-23 株式会社日本触媒 粒子状吸水性ポリマーおよびその製造方法
KR100866652B1 (ko) * 2007-05-18 2008-11-03 (주)폴리머스넷 폴리아크릴레이트계 고분자 수지
JP2008297422A (ja) * 2007-05-31 2008-12-11 Kao Corp 吸水性ポリマーの製造方法
CN103649130B (zh) 2011-07-14 2016-03-02 巴斯夫欧洲公司 制备具有高溶胀速度的吸水性聚合物颗粒的方法
US9950306B2 (en) 2011-07-14 2018-04-24 Basf Se Process for producing water-absorbing polymer particles with high free swell rate
KR20230030568A (ko) 2020-04-30 2023-03-06 맥마스터 유니버시티 다수의 하전된 단량체의 공중합체에 기반한 초흡수성 중합체

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4745154A (en) * 1986-04-14 1988-05-17 Alco Chemical Corporation Water soluble polymers, their preparation and their uses
US4783510A (en) * 1986-06-04 1988-11-08 Taiyo Fishery Co., Ltd. Process for improving a water absorbent polyacrylic acid polymer and an improved polymer produced by said process
JP2938920B2 (ja) * 1990-01-31 1999-08-25 住友精化株式会社 吸水性樹脂の製造方法

Also Published As

Publication number Publication date
FR2694756B1 (fr) 1994-10-07
FR2694756A1 (fr) 1994-02-18
EP0583178A1 (de) 1994-02-16
DK0583178T3 (da) 1997-05-26
DE69306334D1 (de) 1997-01-16
EP0583178B1 (de) 1996-12-04
SG52724A1 (en) 1998-09-28
JP2622345B2 (ja) 1997-06-18
ES2096240T3 (es) 1997-03-01
ATE145924T1 (de) 1996-12-15
JPH06184212A (ja) 1994-07-05
US5397845A (en) 1995-03-14
US5412037A (en) 1995-05-02
GR3022635T3 (en) 1997-05-31

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee