DE69118224D1 - Verfahren zur Herstellung eines wasserabsorbierenden Harzes - Google Patents

Verfahren zur Herstellung eines wasserabsorbierenden Harzes

Info

Publication number
DE69118224D1
DE69118224D1 DE69118224T DE69118224T DE69118224D1 DE 69118224 D1 DE69118224 D1 DE 69118224D1 DE 69118224 T DE69118224 T DE 69118224T DE 69118224 T DE69118224 T DE 69118224T DE 69118224 D1 DE69118224 D1 DE 69118224D1
Authority
DE
Germany
Prior art keywords
producing
water
absorbent resin
absorbent
resin
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 - Lifetime
Application number
DE69118224T
Other languages
English (en)
Other versions
DE69118224T2 (de
Inventor
Morio Nakamura
Takushi Yamamoto
Hitoshi Tanaka
Hitoshi Ozawa
Yasuhiro Shimada
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.)
Sumitomo Seika Chemicals Co Ltd
Original Assignee
Sumitomo Seika Chemicals Co Ltd
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 Co Ltd filed Critical Sumitomo Seika Chemicals Co Ltd
Publication of DE69118224D1 publication Critical patent/DE69118224D1/de
Application granted granted Critical
Publication of DE69118224T2 publication Critical patent/DE69118224T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • 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)
DE69118224T 1990-01-31 1991-01-25 Verfahren zur Herstellung eines wasserabsorbierenden Harzes Expired - Lifetime DE69118224T2 (de)

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 (2)

Publication Number Publication Date
DE69118224D1 true DE69118224D1 (de) 1996-05-02
DE69118224T2 DE69118224T2 (de) 1996-09-05

Family

ID=12092015

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69118224T Expired - Lifetime DE69118224T2 (de) 1990-01-31 1991-01-25 Verfahren zur Herstellung eines wasserabsorbierenden Harzes

Country Status (10)

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

Families Citing this family (118)

* Cited by examiner, † Cited by third party
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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
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JP4736316B2 (ja) * 2003-10-21 2011-07-27 Ｄｉｃ株式会社 高吸収性樹脂の製造方法
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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
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JP4646830B2 (ja) * 2005-10-27 2011-03-09 花王株式会社 吸収性物品
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WO2022019218A1 (ja) 2020-07-22 2022-01-27 住友精化株式会社 吸水性樹脂組成物、吸水性樹脂組成物の製造方法、及び吸水性樹脂粒子の吸水速度低速化方法
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JPWO2022085643A1 (de) 2020-10-19 2022-04-28
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

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JPH03227301A (ja) 1991-10-08
JP2938920B2 (ja) 1999-08-25
ES2087967T3 (es) 1996-08-01
TW228528B (de) 1994-08-21
KR910014410A (ko) 1991-08-31
EP0441507B1 (de) 1996-03-27
CN1023486C (zh) 1994-01-12
KR0174745B1 (ko) 1999-04-01
CN1053796A (zh) 1991-08-14
CA2034293A1 (en) 1991-08-01
CA2034293C (en) 1999-05-04
US5180798A (en) 1993-01-19
DE69118224T2 (de) 1996-09-05
EP0441507A1 (de) 1991-08-14
BR9100398A (pt) 1991-10-22

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