BR9100398A - Processo para a producao de resina absorvente de agua - Google Patents

Processo para a producao de resina absorvente de agua

Info

Publication number
BR9100398A
BR9100398A BR919100398A BR9100398A BR9100398A BR 9100398 A BR9100398 A BR 9100398A BR 919100398 A BR919100398 A BR 919100398A BR 9100398 A BR9100398 A BR 9100398A BR 9100398 A BR9100398 A BR 9100398A
Authority
BR
Brazil
Prior art keywords
production
water absorbing
absorbing resin
resin
water
Prior art date
Application number
BR919100398A
Other languages
English (en)
Inventor
Morio Nakamura
Takushi Yamamoto
Hitoshi Tanaka
Hitoshi Ozawa
Yasuhiro Shimada
Original Assignee
Sumitomo Seika Chemicals
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 Sumitomo Seika Chemicals filed Critical Sumitomo Seika Chemicals
Publication of BR9100398A publication Critical patent/BR9100398A/pt

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
    • 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
    • C08F2/00—Processes of polymerisation
    • C08F2/32—Polymerisation in water-in-oil emulsions
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Animal Behavior & Ethology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Epidemiology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Materials Engineering (AREA)
  • Engineering & Computer Science (AREA)
  • Hematology (AREA)
  • Dispersion Chemistry (AREA)
  • Polymerisation Methods In General (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
BR919100398A 1990-01-31 1991-01-30 Processo para a producao de resina absorvente de agua BR9100398A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2022774A JP2938920B2 (ja) 1990-01-31 1990-01-31 吸水性樹脂の製造方法

Publications (1)

Publication Number Publication Date
BR9100398A true BR9100398A (pt) 1991-10-22

Family

ID=12092015

Family Applications (1)

Application Number Title Priority Date Filing Date
BR919100398A BR9100398A (pt) 1990-01-31 1991-01-30 Processo para a producao de resina absorvente de agua

Country Status (10)

Country Link
US (1) US5180798A (pt)
EP (1) EP0441507B1 (pt)
JP (1) JP2938920B2 (pt)
KR (1) KR0174745B1 (pt)
CN (1) CN1023486C (pt)
BR (1) BR9100398A (pt)
CA (1) CA2034293C (pt)
DE (1) DE69118224T2 (pt)
ES (1) ES2087967T3 (pt)
TW (1) TW228528B (pt)

Families Citing this family (118)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3175791B2 (ja) * 1992-06-10 2001-06-11 株式会社日本触媒 吸水剤の製造方法
FR2694755B1 (fr) * 1992-08-12 1994-09-23 Atochem Elf Sa Perfectionnement pour la préparation de poudre superabsorbantes par polymérisation en suspension inverse de monomères acryliques.
FR2694756B1 (fr) * 1992-08-12 1994-10-07 Atochem Elf Sa Perfectionnement pour la préparation de polyacrylates superabsorbants.
FR2694757B1 (fr) * 1992-08-12 1994-10-07 Atochem Elf Sa Procédé pour la préparation de polyacrylates superabsorbants à faible teneur en monomères résiduels.
JP3005124B2 (ja) * 1992-09-10 2000-01-31 花王株式会社 不定形重合体粒子の製造方法
FR2710342B1 (fr) * 1993-09-21 1995-11-17 Atochem Elf Sa Polymères acryliques superabsorbants à propriétés améliorées et leur procédé d'obtention.
GB9413605D0 (en) * 1994-07-06 1994-08-24 American Colloid Co Method of increasing the size and absorption under load of super-absorbent fine particles by impregnation with an aqueous acrylic monomer solution
US5849816A (en) * 1994-08-01 1998-12-15 Leonard Pearlstein Method of making high performance superabsorbent material
US5549590A (en) * 1994-08-01 1996-08-27 Leonard Pearlstein High performance absorbent particles and methods of preparation
FR2732973B1 (fr) * 1995-04-11 1997-06-13 Atochem Elf Sa Procede pour l'obtention de polymeres superabsorbants pour l'eau et les fluides aqueux sous forme d'agregats de particules
JPH0912613A (ja) * 1995-06-28 1997-01-14 Mitsubishi Chem Corp 吸水性樹脂の製造方法
JP4072833B2 (ja) 1995-11-30 2008-04-09 住友精化株式会社 吸水性樹脂の製造方法および吸水性樹脂
FR2744456A1 (fr) * 1996-02-07 1997-08-08 Atochem Elf Sa Polymeres superabsorbants a structure coeur-coquille et leur procede d'obtention
FR2748404B1 (fr) * 1996-05-09 1998-07-24 Atochem Elf Sa Poudres superabsorbantes a forte absorption et forte sucion capillaire
FR2755693B1 (fr) * 1996-11-14 1998-12-18 Atochem Elf Sa Procede pour l'obtention de polymeres hydrophiles a grande vitesse de dissolution ou de gonflement dans l'eau
JP3871445B2 (ja) * 1998-09-02 2007-01-24 花王株式会社 高吸水性樹脂の製法
US6414080B1 (en) * 1999-06-09 2002-07-02 Calgon Corporation Inverse emulsion polymer and production thereof
EP1616555B1 (de) 1999-06-09 2010-03-10 The Procter & Gamble Instantgel-Zubereitung und Verwendung von festen, gasifizierten Teilchen als akustischer Indikator
KR100573865B1 (ko) * 1999-08-31 2006-04-25 주식회사 새 한 발수성 및 제전성이 우수한 폴리에스테르 직물의 제조방법
WO2001038404A1 (en) * 1999-11-19 2001-05-31 Nippon Shokubai Co., Ltd. Method for production of porous cross-linked polymer material
US7083810B2 (en) 2000-04-19 2006-08-01 Wella Aktiengesellschaft Cosmetic agent in the form of a gel
KR100431536B1 (ko) * 2001-02-14 2004-05-20 박상규 ｐＨ변화를 이용한 식품 품질 식별표시계
EP1291368B1 (en) * 2001-04-16 2017-05-31 Sumitomo Seika Chemicals Co., Ltd. Water-absorbing resin suitable for absorbing viscous liquid containing high-molecular compound, and absorbent and absorbent article each comprising the same
DE10150765A1 (de) 2001-10-13 2003-04-17 Wella Ag Spitzenfolie zum Wickeln von Haaren und Verfahren zur dauerhaften Haarverformung
CN1831019B (zh) * 2001-12-19 2010-05-12 株式会社日本触媒 吸水性树脂及其制备方法
JP3940009B2 (ja) * 2002-03-18 2007-07-04 住友精化株式会社 カルボキシル基含有水溶性重合体の製造方法
DE10308317A1 (de) * 2003-02-26 2004-09-09 Giesecke & Devrient Gmbh Verfahren zur Herstellung eines Resistsubstrats
JP5027414B2 (ja) 2003-03-17 2012-09-19 住友精化株式会社 吸水性樹脂粒子の製造方法
BRPI0410215A (pt) * 2003-05-13 2006-05-09 Sumitomo Seika Chemicals método para produção de resina absorvedora de água
JP4736316B2 (ja) * 2003-10-21 2011-07-27 Ｄｉｃ株式会社 高吸収性樹脂の製造方法
KR101184238B1 (ko) * 2003-12-25 2012-09-21 스미또모 세이까 가부시키가이샤 흡수성 수지의 제조 방법
JP4969778B2 (ja) * 2004-12-21 2012-07-04 住友精化株式会社 吸水性樹脂粒子の製造方法及びそれを用いた衛生材料
KR100626552B1 (ko) * 2005-04-06 2006-09-22 김수동 잔류단량제와 개시제 잔류물이 적게 함유된폴리아크릴아마이드 공중합체의 제조
TWI344469B (en) * 2005-04-07 2011-07-01 Nippon Catalytic Chem Ind Polyacrylic acid (salt) water-absorbent resin, production process thereof, and acrylic acid used in polymerization for production of water-absorbent resin
WO2007004529A1 (ja) * 2005-07-04 2007-01-11 Sumitomo Seika Chemicals Co., Ltd. 吸水性樹脂の製造方法
JP4646830B2 (ja) * 2005-10-27 2011-03-09 花王株式会社 吸収性物品
TWI394789B (zh) 2005-12-22 2013-05-01 Nippon Catalytic Chem Ind 吸水性樹脂組成物及其製造方法、吸收性物品
CN100443553C (zh) * 2006-03-23 2008-12-17 中国地质大学（武汉） 含非晶态硅酸盐矿物的高吸水保水复合材料的制备方法
CN100443554C (zh) * 2006-03-23 2008-12-17 中国地质大学（武汉） 含架状硅酸盐矿物的高吸水保水复合材料的制备方法
EP1837348B9 (en) 2006-03-24 2020-01-08 Nippon Shokubai Co.,Ltd. Water-absorbing resin and method for manufacturing the same
EP2011803B1 (en) 2006-04-24 2011-09-07 Sumitomo Seika Chemicals Co., Ltd. Process for production of water-absorbent resin particles, and water-absorbent resin particles produced by the process
CN101479297B (zh) * 2006-04-27 2011-12-21 住友精化株式会社 制造吸水性树脂的方法
US7989367B2 (en) * 2006-06-30 2011-08-02 Georgia-Pacific Chemicals Llc Reducing formaldehyde emissions from fiberglass insulation
WO2008127287A2 (en) 2006-10-11 2008-10-23 Biolife, L.L.C. Materials and methods for wound treatment
JP2010515465A (ja) * 2007-01-12 2010-05-13 ザ リージェンツ オブ ザ ユニバーシティー オブ コロラド，ア ボディー コーポレート 微生物によって生成される有機化学物質の生成に対する耐性を高めるための組成物および方法
WO2008090961A1 (ja) 2007-01-24 2008-07-31 Nippon Shokubai Co., Ltd. 粒子状吸水性ポリマーおよびその製造方法
WO2008151041A2 (en) 2007-05-31 2008-12-11 Biolife, Llc Materials and methods for preparation of alkaline earth ferrates from alkaline earth oxides, peroxides, and nitrates
JP5439179B2 (ja) * 2007-08-23 2014-03-12 住友精化株式会社 衛生材用途に適した吸水性樹脂
US8048624B1 (en) 2007-12-04 2011-11-01 Opx Biotechnologies, Inc. Compositions and methods for 3-hydroxypropionate bio-production from biomass
CN101225132B (zh) * 2007-12-20 2010-09-01 中国科学院长春应用化学研究所 反相悬浮聚合聚甲基丙烯酸吸湿树脂的制备方法
US8362165B2 (en) 2008-02-01 2013-01-29 Toagosei Co., Ltd. Process for the production of polymer microparticles
EP2239280B1 (en) * 2008-02-01 2016-01-20 Toagosei Co., Ltd Process for the production of polymer microparticles
MX2012003604A (es) 2009-09-27 2012-09-12 Opx Biotechnologies Inc Metodo para producir acido 3-hidroxipropionico y otros productos.
US8809027B1 (en) 2009-09-27 2014-08-19 Opx Biotechnologies, Inc. Genetically modified organisms for increased microbial production of 3-hydroxypropionic acid involving an oxaloacetate alpha-decarboxylase
CN102548654A (zh) 2009-09-29 2012-07-04 株式会社日本触媒 颗粒状吸水剂及其制造方法
WO2011063363A2 (en) * 2009-11-20 2011-05-26 Opx Biotechnologies, Inc. Production of an organic acid and/or related chemicals
CN102648218B (zh) * 2009-11-27 2013-12-11 住友精化株式会社 吸水性树脂颗粒的制造方法、吸水性树脂颗粒、止水材料和吸收性物品
EP2599796B1 (en) 2010-07-28 2019-01-23 Sumitomo Seika Chemicals CO. LTD. Process for production of water-absorbable resin
WO2012023449A1 (ja) * 2010-08-18 2012-02-23 住友精化株式会社 カルボキシル基含有重合体組成物の製造方法およびカルボキシル基含有重合体組成物
US20130130017A1 (en) * 2010-08-19 2013-05-23 Sumitomo Seika Chemicals Co., Ltd. Water-absorbing resin
EP2615117B2 (en) 2010-09-06 2023-12-27 Sumitomo Seika Chemicals Co., Ltd. Water absorbent resin and method for producing same
CN103154043B (zh) * 2010-10-18 2015-04-22 住友精化株式会社 吸水性树脂颗粒的制造方法和吸水性树脂颗粒
SG189955A1 (en) * 2010-11-15 2013-06-28 Sumitomo Seika Chemicals Method for producing water-absorbent resin
JPWO2012081355A1 (ja) * 2010-12-16 2014-05-22 住友精化株式会社 吸水性樹脂の製造方法
JP5637869B2 (ja) * 2011-01-11 2014-12-10 住友精化株式会社 吸水性樹脂の製造方法
EP2676977B1 (en) * 2011-02-14 2018-02-14 Sumitomo Seika Chemicals CO. LTD. Hydrophilic thickening agent and method of producing same
CN103562398A (zh) 2011-03-22 2014-02-05 Opx生物工艺学公司 化学产品的微生物生产以及相关的组合物、方法和系统
WO2012132902A1 (ja) 2011-03-31 2012-10-04 住友精化株式会社 吸水性樹脂の製造方法
TWI513713B (zh) 2011-04-21 2015-12-21 Sumitomo Seika Chemicals 吸水性樹脂之製造方法
TW201247249A (en) 2011-04-21 2012-12-01 Sumitomo Seika Chemicals Water-absorbent resin, absorbent material, and absorbent article
CA2843678C (en) * 2011-08-03 2020-12-29 Sumitomo Seika Chemicals Co., Ltd. Water absorbing resin particles, method for manufacturing water absorbing resin particles, absorption body, absorptive article, and water-sealing material
SG11201400267SA (en) * 2011-10-06 2014-05-29 Sumitomo Seika Chemicals Method for producing water absorbent resin particles
EP2821419B1 (en) * 2012-02-29 2017-01-18 Sumitomo Seika Chemicals Co., Ltd. Method for producing water absorbent resin particles
JP2013203761A (ja) * 2012-03-27 2013-10-07 Kao Corp 改質吸水性樹脂粒子
US20140051136A1 (en) 2012-08-10 2014-02-20 Opx Biotechnologies, Inc. Micoorganisms and Methods for the Production of Fatty Acids and Fatty Acid Derived Products
KR101595037B1 (ko) 2013-01-15 2016-02-17 주식회사 엘지화학 고흡수성 수지의 제조 방법
US10047383B2 (en) 2013-03-15 2018-08-14 Cargill, Incorporated Bioproduction of chemicals
EP2976141A4 (en) 2013-03-15 2016-10-05 Cargill Inc FLASHING FOR PRODUCTION CLEANING AND RECOVERY
WO2014145332A1 (en) 2013-03-15 2014-09-18 Opx Biotechnologies, Inc. Monfunctional mcr + 3-hp dehydrogenase
EP3015525A4 (en) * 2013-06-28 2016-11-02 Sumitomo Seika Chemicals HYDROPHILIC THICKENER AND COSMETIC COMPOSITION THEREWITH
US11408013B2 (en) 2013-07-19 2022-08-09 Cargill, Incorporated Microorganisms and methods for the production of fatty acids and fatty acid derived products
US10337038B2 (en) 2013-07-19 2019-07-02 Cargill, Incorporated Microorganisms and methods for the production of fatty acids and fatty acid derived products
KR20160127742A (ko) 2014-02-28 2016-11-04 가부시키가이샤 닛폰 쇼쿠바이 폴리(메트)아크릴산(염)계 입자상 흡수제 및 제조 방법
JP5893117B2 (ja) 2014-07-11 2016-03-23 住友精化株式会社 吸水性樹脂及び吸収性物品
JP5893116B2 (ja) 2014-07-11 2016-03-23 住友精化株式会社 吸水性樹脂及び吸水性樹脂の製造方法
JP5689204B1 (ja) 2014-07-11 2015-03-25 住友精化株式会社 吸水性樹脂の製造方法、吸水性樹脂、吸水剤、吸収性物品
EP2993228B1 (en) 2014-09-02 2019-10-09 Cargill, Incorporated Production of fatty acid esters
WO2016204302A1 (ja) 2015-06-19 2016-12-22 株式会社日本触媒 ポリ（メタ）アクリル酸（塩）系粒子状吸水剤及び製造方法
GB201512725D0 (en) * 2015-07-20 2015-08-26 Life Technologies As Polymeric particles
CN108473614B (zh) 2015-12-28 2021-03-02 株式会社日本触媒 吸水性树脂的制造方法
CN106008779B (zh) * 2016-06-02 2018-11-27 中北大学 一种交联聚对苯乙烯磺酸钠凝胶微球制作方法
JP2020506702A (ja) 2017-02-02 2020-03-05 カーギル インコーポレイテッド Ｃ６−ｃ１０脂肪酸誘導体を生成する遺伝子組み換え細胞
WO2018159801A1 (ja) 2017-03-02 2018-09-07 住友精化株式会社 吸水性樹脂、土壌保水材、及び農園芸材料
US11193899B2 (en) 2017-03-02 2021-12-07 Sumitomo Seika Chemicals Co., Ltd. Non-destructive method for evaluating structure of water-absorbing resin
KR102526286B1 (ko) 2017-03-02 2023-04-27 스미토모 세이카 가부시키가이샤 흡수성 수지 및 흡수성 물품
US11465125B2 (en) 2017-03-02 2022-10-11 Sumitomo Seika Chemicals Co., Ltd. Water-absorbing resin
EP3590980A4 (en) 2017-03-02 2020-12-02 Sumitomo Seika Chemicals Co. Ltd. WATER-ABSORBING RESIN AND SOIL
JP7293193B2 (ja) * 2018-03-27 2023-06-19 住友精化株式会社 吸水性スクラブ剤、その製造方法、及び化粧料
JP7315532B2 (ja) * 2018-03-27 2023-07-26 住友精化株式会社 土嚢及びその製造方法
CN108841391B (zh) * 2018-03-30 2021-01-29 广西科技师范学院 一种土壤保水剂的制备方法
KR20210090617A (ko) 2018-11-05 2021-07-20 스미토모 세이카 가부시키가이샤 흡수성 수지
FR3101350B1 (fr) 2019-09-26 2021-11-12 Aprotek Matériau asséchant permettant de faciliter le recyclage des bétons résiduels
JPWO2021220985A1 (pt) 2020-04-27 2021-11-04
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US20230347318A1 (en) 2020-07-22 2023-11-02 Sumitomo Seika Chemicals Co., Ltd. Water-absorbing resin composition, absorbent, and absorptive article
FR3113553B1 (fr) 2020-08-26 2023-01-13 Aprotek Nouvel article absorbant et drainant utilisé comme support de culture
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US20230398516A1 (en) 2020-10-19 2023-12-14 Sumitomo Seika Chemicals Co., Ltd. Water-absorbing resin, absorber, and absorbent article
FR3118031B1 (fr) 2020-12-23 2023-11-24 Aprotek Accélérateur de compostage
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CN114133471B (zh) * 2022-01-14 2022-11-25 兖矿水煤浆气化及煤化工国家工程研究中心有限公司 一种高吸水树脂的生产方法
FR3133607A1 (fr) 2022-03-16 2023-09-22 Aprotek Composition asséchante pour faciliter la manipulation des boues
FR3134388A1 (fr) 2022-04-12 2023-10-13 Aprotek Composition asséchante pour conditionner des digestats
KR102630748B1 (ko) * 2023-06-01 2024-01-31 (주)대우건설 저수지 복통의 누수 보수용 폴리머 차수재 및 이의 제조 방법

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4308912A (en) * 1979-03-28 1982-01-05 Knecht Bernath L Heat transfer system
CA1248279A (en) * 1983-03-11 1989-01-03 You-Ling Fan Dual initiator water-in-oil emulsion polymerization process
US4618647A (en) * 1983-03-11 1986-10-21 Union Carbide Corp. Process for producing a polymer water-in-oil emulsion
JPS6187702A (ja) * 1984-10-05 1986-05-06 Seitetsu Kagaku Co Ltd 吸水性樹脂の製造方法
JPH0830098B2 (ja) * 1987-07-16 1996-03-27 日本合成化学工業株式会社 高吸水性樹脂の製造法
US4914170A (en) * 1987-11-17 1990-04-03 Rohm And Haas Company Superabsorbent polymeric compositions and process for producing the same

Also Published As

Publication number Publication date
US5180798A (en) 1993-01-19
EP0441507A1 (en) 1991-08-14
TW228528B (pt) 1994-08-21
EP0441507B1 (en) 1996-03-27
CA2034293C (en) 1999-05-04
CA2034293A1 (en) 1991-08-01
KR0174745B1 (ko) 1999-04-01
CN1053796A (zh) 1991-08-14
JPH03227301A (ja) 1991-10-08
JP2938920B2 (ja) 1999-08-25
ES2087967T3 (es) 1996-08-01
CN1023486C (zh) 1994-01-12
DE69118224D1 (de) 1996-05-02
KR910014410A (ko) 1991-08-31
DE69118224T2 (de) 1996-09-05

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