KR940014468A - 흡수수지의 제조방법 - Google Patents

흡수수지의 제조방법 Download PDF

Info

Publication number
KR940014468A
KR940014468A KR1019930027967A KR930027967A KR940014468A KR 940014468 A KR940014468 A KR 940014468A KR 1019930027967 A KR1019930027967 A KR 1019930027967A KR 930027967 A KR930027967 A KR 930027967A KR 940014468 A KR940014468 A KR 940014468A
Authority
KR
South Korea
Prior art keywords
weight
absorbent resin
parts
range
crosslinking agent
Prior art date
Application number
KR1019930027967A
Other languages
English (en)
Other versions
KR0137347B1 (ko
Inventor
다이로쿠 요리미치
나가수나 킨야
야노 카쥬타카
야나세 토루
마수다 요시히코
Original Assignee
쇼소 타나카
니폰 쇼쿠바이 코퍼레이션 리미티드
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 쇼소 타나카, 니폰 쇼쿠바이 코퍼레이션 리미티드 filed Critical 쇼소 타나카
Publication of KR940014468A publication Critical patent/KR940014468A/ko
Application granted granted Critical
Publication of KR0137347B1 publication Critical patent/KR0137347B1/ko

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
    • C08J3/243—Two or more independent types of crosslinking for one or more polymers
    • 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
    • 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
    • C08F8/00—Chemical modification by after-treatment
    • 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
    • C08F8/00—Chemical modification by after-treatment
    • C08F8/14—Esterification
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L33/00—Compositions of homopolymers or 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 of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2300/00—Characterised by the use of unspecified polymers
    • C08J2300/14—Water 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)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • General Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Dispersion Chemistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • Hematology (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Solid-Sorbent Or Filter-Aiding Compositions (AREA)

Abstract

본 발명에 의하여, 흡수수지의 기본적인 물리적 속성중의 하나인, 무부하 상태에서의 높은 수준의 흡수능력을 보유하고 부하상태에서도 흡수능력이 탁월한 흡수수지의 제조방법이 제공된다. 상기 제조는 카르복실 그룹을 가진 베이스 폴리머로서의 흡수수지를 용해도계수(SP값)가 12.5(cal/cm3)1/2이상이고 카르복실그룹과의 반응성이 있는 1차가교제 및 용해도계수(SP값)가 12.5(cal/cm3)1/2미만이고 카르복실그룹과의 반응성이 있는 2차 가교제와 혼합하고 그 결과로서 생긴 혼합물 160℃ 이상의 온도에서 열처리함으로써 이루어진다.

Description

흡수수지의 제조방법
본 내용은 요부공개 건이므로 전문내용을 수록하지 않았음
제1도는 본 발명에서 부하상태 하에서의 흡수능력 측정에 이용되는 장치의 단면도이다.

Claims (14)

  1. 카르복실그룹을 가진 베이스 폴러머로서의 흡수수지를 용해도계수(SP값)가 12.5(cal/cm3)1/2이상이고 상기 카르복실그룹과의 반응성이 있는 1차 가교제 및 용해도계수(SP값)가 12.5(cal/cm3)1/2미만인 2차 가교제와 혼합하고 그 결과로서 생긴 혼합물을 160℃이상의 온도에서 열처리하는 과정을 포함하는 흡수수지의 제조방법.
  2. 제1항에 있어서, 상기한 1차 가교제가 13.0내지 18.0(cal/cm3)1/2미만인 범위내의 용해도계수(SP값)를 가지는 방법.
  3. 제1항에 있어서, 상기한 2차 가교제가 9.5(cal/cm3)1/2이상 12.0(cal/cm3)1/2미만인 범위내의 용해도계수(SP값)를 가지는 방법.
  4. 제1항에 있어서, 상기한 1차 및 2차 가교제는 상기한 1차 가교제의 용해도계수(SP값)의 상기한 2차 가교제의 용해도 계수(SP값) 상이의 차가 2(cal/cm3)1/2이상이 되도록 선택되는 방법.
  5. 제1항에 있어서, 상기한 1차 가교제는 200이하의 분자량을 가지고 상기한 2차 가교제는 350이하의 분자량을 가지는 방법.
  6. 제1항에 있어서, 상기한 베이스 폴리머로서의 흡수수지의 고형 100중량부를 기준으로 하여, 상기한 1차 가교제의 양은 0.001 내지 10중량부 범위내이고 상기한 2차 가교제의 양은 0.001 내지 10중량부 범위내인 방법.
  7. 제1항에 있어서, 상기한 혼합이 상기된 베이스폴리머로서의 흡수수지 고형 100중량부를 기준으로하여 10중량부 이하의 수분의 존재하에서 수행하는 방법.
  8. 제1항에 있어서, 상기한 베이스폴리머로서의 흡수수지의 상기한 카리복실그룹의 양은 상기한 흡수수지 100g당 0.01당량 이상인 방법.
  9. 제1항에 있어서, 상기한 베이스폴리머로서의 흡수수지의 부분적으로 중화된 가교 폴리아크릴산이고 중화되지 않은 폴리아크린산의 비율이 1 내지 60중량% 범위 내인 방법.
  10. 제1항에 있어서, 상기한 베이스 폴리머로서의 흡수수지의 수분 함량이 1 내지 10중량% 범위내인 방법.
  11. 제7항에 있어서, 상기한 혼합이 상기한 베이스폴리로서의 흡수수지 고형 100중량을 기준으로 하여 0.5 내지 5중량부의 수분의 존재하에서 수행되는 방법.
  12. 제1항에 있어서, 상기한 베이스폴리머로서의 흡수수지 고형 100중량부를 기준으로 하여 상기한 1차 가교제의 양은 0.01 내지 8중량부 범위내이고 상기한 2차 가교제의 양은 0.001 내지 1중량부 범위내인 발명.
  13. 제1항에 있어서, 상기한 열처리가 170 내지 230℃ 범위내의 온도에서 수행되는 방법.
  14. 제1항에 있어서, 상기한 베이스폴리머로서의 흡수수지 고형 100중량부를 기준으로 하여 상기한 1차 가교제의 양은 0.1 내지 5중량부의 범위내이고 상기한 2차 가교제의 양은 0.005 내기 0.5중량부의 범위내인 방법.
    ※ 참고사항 : 최초출원 내용에 의하여 공개하는 것임.
KR1019930027967A 1992-12-16 1993-12-16 흡수수지의 제조방법 KR0137347B1 (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP4-336392 1992-12-16
JP4336392A JP2675729B2 (ja) 1992-12-16 1992-12-16 吸水性樹脂の製造方法

Publications (2)

Publication Number Publication Date
KR940014468A true KR940014468A (ko) 1994-07-18
KR0137347B1 KR0137347B1 (ko) 1998-04-27

Family

ID=18298665

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019930027967A KR0137347B1 (ko) 1992-12-16 1993-12-16 흡수수지의 제조방법

Country Status (6)

Country Link
US (1) US5422405A (ko)
EP (1) EP0605150B1 (ko)
JP (1) JP2675729B2 (ko)
KR (1) KR0137347B1 (ko)
DE (1) DE69314451T2 (ko)
ES (1) ES2106984T3 (ko)

Families Citing this family (85)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4333056C2 (de) * 1993-09-29 1998-07-02 Stockhausen Chem Fab Gmbh Pulverförmige, wäßrige Flüssigkeiten absorbierende Polymere, Verfahren zu ihrer Herstellung und ihre Verwendung als Absorptionsmittel
US5610208A (en) 1994-02-17 1997-03-11 Nippon Shokubai Co., Ltd. Water-absorbent agent, method for production thereof, and water-absorbent composition
US5830543A (en) 1994-05-30 1998-11-03 Nippon Shokubai Co., Ltd. Gelling material for aqueous fluids
US5624967A (en) 1994-06-08 1997-04-29 Nippon Shokubai Co., Ltd. Water-absorbing resin and process for producing same
JP2918808B2 (ja) * 1994-06-13 1999-07-12 株式会社日本触媒 吸収体および吸収性物品
DE69524928T2 (de) 1994-06-13 2002-08-29 Nippon Shokubai Co. Ltd., Osaka Wasser-absorbent, verfahren zu dessen herstellung und den enthaltender absorbent-gegenstand
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
US5883158A (en) * 1994-08-12 1999-03-16 Kao Corporation Process for producing improved super absorbent polymer
US5981070A (en) † 1995-07-07 1999-11-09 Nippon Shokubai Co., Ltd Water-absorbent agent powders and manufacturing method of the same
JP3335843B2 (ja) * 1995-09-01 2002-10-21 株式会社日本触媒 吸収剤組成物および吸収体、並びに、吸収体を含む吸収物品
JP2000342963A (ja) * 1995-09-01 2000-12-12 Nippon Shokubai Co Ltd 吸収剤組成物およびその製造方法、並びに、吸収剤組成物を含む吸収物品
US5804318A (en) * 1995-10-26 1998-09-08 Corvita Corporation Lubricious hydrogel surface modification
EP0882502B1 (en) * 1996-08-07 2007-04-11 Nippon Shokubai Co., Ltd. Water-absorbent and process for preparing the same
ID19116A (id) * 1996-10-15 1998-06-18 Nippon Catalytic Chem Ind Bahan pengabsorpsi air dan proses produksinya
US6228930B1 (en) 1997-06-18 2001-05-08 Nippon Shokubai Co., Ltd. Water-absorbent resin granule-containing composition and production process for water-absorbent resin granule
JPH11263850A (ja) * 1997-12-02 1999-09-28 Nippon Shokubai Co Ltd 吸水剤およびその製造方法とその用途
US6254990B1 (en) * 1998-02-18 2001-07-03 Nippon Shokubai Co., Ltd. Surface-crosslinking process for water-absorbent resin
US6444744B1 (en) 1998-03-11 2002-09-03 Nippon Shokubai Co., Ltd. Hydrophilic resin, absorbent article, and acrylic acid for polymerization
US6103785A (en) * 1998-03-26 2000-08-15 Nippon Shokubai Co., Ltd. Water-absorbing agent and its production process and use
DE19909653A1 (de) * 1999-03-05 2000-09-07 Stockhausen Chem Fab Gmbh Pulverförmige, vernetzte, wässrige Flüssigkeiten sowie Blut absorbierende Polymere, Verfahren zu ihrer Herstellung und ihre Verwendung
EP1130045B2 (en) 2000-02-29 2015-10-28 Nippon Shokubai Co., Ltd. Process for producing a water-absorbent resin powder
US6617489B2 (en) 2000-05-09 2003-09-09 Nippon Shokubai Co., Ltd. Absorbent, absorbing product based thereon, and water-absorbing resin
US6720389B2 (en) 2000-09-20 2004-04-13 Nippon Shokubai Co., Ltd. Water-absorbent resin and production process therefor
US7595428B2 (en) * 2000-11-22 2009-09-29 Nippon Shokubai Co., Ltd. Water-absorbing agent composition and method for production thereof, absorptive article and absorbing material
US20030065296A1 (en) * 2001-02-26 2003-04-03 Kaiser Thomas A. Absorbent material of water absorbent polymer, thermoplastic polymer, and water and method for making same
WO2003051939A1 (en) 2001-12-19 2003-06-26 Nippon Shokubai Co.,Ltd. Water-absorbent resin and production process therefor
CN100512885C (zh) * 2002-06-06 2009-07-15 株式会社日本触媒 吸水剂组合物及其制造方法、吸收体和吸收性物品
JP3917052B2 (ja) * 2002-10-16 2007-05-23 信和化工株式会社 コポリマー、これを用いた吸着剤又は濃縮媒体、固相マイクロ抽出用注射針
US7193006B2 (en) 2002-12-06 2007-03-20 Nippon Shokubai Co., Ltd. Process for continuous production of water-absorbent resin product
WO2004069936A1 (en) 2003-02-10 2004-08-19 Nippon Shokubai Co., Ltd. Particulate water absorbent containing water absorbent resin as a main component
US7169843B2 (en) 2003-04-25 2007-01-30 Stockhausen, Inc. Superabsorbent polymer with high permeability
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
DE10334584A1 (de) * 2003-07-28 2005-02-24 Basf Ag Verfahren zur Nachvernetzung von Hydrogelen mit bicyclischen Amidacetalen
CN1274754C (zh) * 2003-09-09 2006-09-13 青岛科技大学高分子科学与工程学院 遇水崩解型环境友好高分子共混材料及其制取方法
US7173086B2 (en) * 2003-10-31 2007-02-06 Stockhausen, Inc. Superabsorbent polymer with high permeability
AU2005210411B2 (en) * 2004-02-05 2008-01-31 Nippon Shokubai Co., Ltd. Particulate water absorbing agent and method for production thereof, and water absorbing article
EP1629854B1 (en) * 2004-07-20 2010-10-13 The Procter & Gamble Company Surface cross-linked superabsorbent polymer particles and methods of making them
US8080705B2 (en) * 2004-07-28 2011-12-20 The Procter & Gamble Company Superabsorbent polymers comprising direct covalent bonds between polymer chain segments and method of making them
EP1784443B1 (en) * 2004-09-02 2015-04-22 Nippon Shokubai Co.,Ltd. Water absorbent material, method for production of surface cross-linked water absorbent resin, and method for evaluation of water absorbent material
US20060128827A1 (en) * 2004-12-10 2006-06-15 The Procter & Gamble Company Absorbent members comprising modified water absorbent resin for use in diapers
US7879923B2 (en) * 2004-12-10 2011-02-01 Nippon Shokubai Co., Ltd. Method for surface-treatment of water absorbent resin
US20090298963A1 (en) * 2004-12-10 2009-12-03 Nippon Shokubai Co., Ltd Method for production of modified water absorbent resin
EP1669394A1 (en) * 2004-12-10 2006-06-14 The Procter & Gamble Company Superabsorbent polymer particles with improved surface cross-linking and hydrophilicity and method of making them
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
US8481664B2 (en) 2005-04-12 2013-07-09 Nippon Shokubai Co., Ltd. Particulate water absorbing agent including polyacrylic acid (polyacrylate) based water absorbing resin as a principal component, method for production thereof, water-absorbent core and absorbing article in which the particulate water absorbing agent is used
EP1924353B1 (en) 2005-09-16 2012-11-14 Nippon Shokubai Kagaku Kogyo Co. Ltd. Method for production of water absorbing agent
JP2007077366A (ja) * 2005-09-16 2007-03-29 Procter & Gamble Co 吸水剤の製法
JP2007099845A (ja) * 2005-09-30 2007-04-19 Procter & Gamble Co 水性液吸収剤およびその製法
US7812082B2 (en) * 2005-12-12 2010-10-12 Evonik Stockhausen, Llc Thermoplastic coated superabsorbent polymer compositions
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
EP1837348B9 (en) 2006-03-24 2020-01-08 Nippon Shokubai Co.,Ltd. Water-absorbing resin and method for manufacturing the same
EP1840137B1 (en) 2006-03-29 2009-11-25 Nippon Shokubai Co., Ltd. Method of Producing Polyacrylic Acid (Salt) Water-Absorbent Resin
MX2008013041A (es) * 2006-04-10 2008-10-17 Procter & Gamble Un miembro absorbente que comprende una resina absorbente de agua modificada.
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
EP2116571B1 (en) 2007-02-05 2019-05-01 Nippon Shokubai Co., Ltd. Granular water absorber and method of producing the same
WO2008102322A2 (en) * 2007-02-22 2008-08-28 The Procter & Gamble Company Method of surface treating particulate material using electromagnetic radiation
WO2008108277A1 (ja) * 2007-03-01 2008-09-12 Nippon Shokubai Co., Ltd. 吸水性樹脂を主成分とする粒子状吸水剤
SA08290402B1 (ar) 2007-07-04 2014-05-22 نيبون شوكوباي كو. ، ليمتد عامل دقائقي ماص للماء وطريقة لتصنيعه
SA08290542B1 (ar) 2007-08-28 2012-11-14 نيبون شوكوباي كو. ، ليمتد طريقة لإنتاج راتنج ماص للماء
SA08290556B1 (ar) * 2007-09-07 2012-05-16 نيبون شوكوباي كو. ، ليمتد طريقة لربط راتنجات ممتصة للماء
JP5448699B2 (ja) * 2008-10-14 2014-03-19 Ｓｄｐグローバル株式会社 吸収性樹脂粒子、この製造方法、これを含む吸収体及び吸収性物品
EP2404954B1 (en) 2009-03-04 2015-04-22 Nippon Shokubai Co., Ltd. Process for producing water-absorbing resin
RU2523796C2 (ru) 2009-05-15 2014-07-27 Ниппон Сокубаи Ко., Лтд. Способ получения (мет)акриловой кислоты
EP2431350B1 (en) 2009-05-15 2017-10-04 Nippon Shokubai Co., Ltd. Method for producing (meth)acrylic acid and crystallization system
CN102428065B (zh) 2009-05-15 2014-02-26 株式会社日本触媒 制备(甲基)丙烯酸的方法
EP2471846B1 (en) 2009-08-27 2016-12-21 Nippon Shokubai Co., Ltd. Polyacrylic acid (salt) water absorbent resin and method for producing same
EP2471847B2 (en) 2009-08-28 2018-01-03 Nippon Shokubai Co., Ltd. Process for production of water-absorbable resin
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
US10294315B2 (en) 2009-09-30 2019-05-21 Nippon Shokubai Co., Ltd. Polyacrylic acid (salt)-based water absorbent resin and method for producing same
EP2527390B1 (en) 2010-01-20 2020-08-12 Nippon Shokubai Co., Ltd. Method for producing water absorbent resin
EP2527391B1 (en) 2010-01-20 2023-08-09 Nippon Shokubai Co., Ltd. Method for producing water absorbent resin
WO2011099586A1 (ja) 2010-02-10 2011-08-18 株式会社日本触媒 吸水性樹脂粉末の製造方法
US8875415B2 (en) 2010-03-08 2014-11-04 Nippon Shokubai, Co., Ltd. Method for drying granular water-containing gel-like cross-linked polymer
JP5554268B2 (ja) * 2010-03-11 2014-07-23 株式会社クラレ 架橋性組成物、架橋物及びその製造方法、並びに多層構造体
US9272068B2 (en) 2010-03-12 2016-03-01 Nippon Shokubai Co., Ltd. Process for producing water-absorbing resin
WO2011115216A1 (ja) 2010-03-17 2011-09-22 株式会社日本触媒 吸水性樹脂の製造方法
CN102858816B (zh) 2010-04-26 2016-06-08 株式会社日本触媒 聚丙烯酸（盐）、聚丙烯酸（盐）系吸水性树脂及其制造方法
WO2011136238A1 (ja) 2010-04-26 2011-11-03 株式会社日本触媒 ポリアクリル酸（塩）、ポリアクリル酸（塩）系吸水性樹脂及びその製造方法
WO2014021388A1 (ja) * 2012-08-01 2014-02-06 株式会社日本触媒 ポリアクリル酸（塩）系吸水性樹脂粉末を用いた吸水剤及びその製造方法
JP5766344B1 (ja) 2014-07-11 2015-08-19 住友精化株式会社 吸水性樹脂及び吸収性物品
KR102011926B1 (ko) * 2014-12-22 2019-08-20 주식회사 엘지화학 고흡수성 수지 및 이의 제조 방법
KR102162500B1 (ko) * 2016-12-13 2020-10-06 주식회사 엘지화학 고흡수성 수지 및 이의 제조 방법
KR102094453B1 (ko) 2016-12-23 2020-03-27 주식회사 엘지화학 고흡수성 수지 및 이의 제조 방법
KR102489568B1 (ko) * 2017-11-07 2023-01-16 주식회사 엘지화학 고흡수성 수지 및 이의 제조 방법
JP6979487B1 (ja) * 2020-07-13 2021-12-15 長瀬産業株式会社 吸水性樹脂架橋剤組成物

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4061846A (en) * 1974-03-13 1977-12-06 The Dow Chemical Company Flexible water swellable crosslinked polyacrylate film
JPS60163956A (ja) * 1984-02-04 1985-08-26 Arakawa Chem Ind Co Ltd 吸水性樹脂の製法
CA1256640A (en) * 1984-03-05 1989-06-27 Harumasa Yamasaki Absorptive material
US4880868A (en) * 1986-10-06 1989-11-14 Arco Chemical Technology, Inc. Extended shelf life water-absorbing composition which facilitates fiber formation
JPS63118308A (ja) * 1986-11-06 1988-05-23 Nippon Synthetic Chem Ind Co Ltd:The 高吸水性樹脂の製造法
DE3878533T2 (de) * 1987-10-29 1993-06-03 Nippon Catalytic Chem Ind Verfahren zur oberflaechenbehandlung eines wasser absorbierenden harzes.
KR910008293B1 (ko) * 1988-05-13 1991-10-12 주식회사 럭키 흡수 속도가 우수한 고흡수성 수지의 제조방법
JPH02132103A (ja) * 1988-11-11 1990-05-21 Idemitsu Petrochem Co Ltd ポリアクリル酸アルカリ金属塩の製造方法
DE69122504T2 (de) * 1990-04-02 1997-03-20 Procter & Gamble Absorbierende polymerische partikel enthaltende verbindungen mit die partikel vernetzenden zwischenaggregaten
US5164459A (en) * 1990-04-02 1992-11-17 Nippon Shokubai Kagaku Kogyo Co., Ltd. Method for treating the surface of an absorbent resin
GB9107952D0 (en) * 1991-04-15 1991-05-29 Dow Rheinmuenster Surface crosslinked and surfactant coated absorbent resin particles and method of preparation

Also Published As

Publication number Publication date
DE69314451D1 (de) 1997-11-13
EP0605150B1 (en) 1997-10-08
KR0137347B1 (ko) 1998-04-27
EP0605150A1 (en) 1994-07-06
DE69314451T2 (de) 1998-05-20
US5422405A (en) 1995-06-06
JP2675729B2 (ja) 1997-11-12
ES2106984T3 (es) 1997-11-16
JPH06184320A (ja) 1994-07-05

Similar Documents

Publication Publication Date Title
KR940014468A (ko) 흡수수지의 제조방법
BR9908423A (pt) Processo de vulcanização dinâmica de uma mistura de polìmeros polimerizados em solução, e, vulcanizado dinâmico
PL325374A1 (en) Application in the cosmetic of a crosslinked and at least in 90% neutralised 2-acrylaamido2-methylpropanesulphonic (poly)acid and of locallu-applied compositions containing such acid
EP0324985A3 (de) Verfahren zur Herstellung von wasserabsorbierenden und wasserquellbaren Polysaccharid-Pfropfpolymeren
GB8329082D0 (en) Low molecular weight polymers of 1-olefins
PL316236A1 (en) Crosslinked synthetic polymers of porous structure
JPS5558223A (en) Aromatic polyester copolymer
BR0006288A (pt) Processos de produção para resina absorvente de água básica e agente de absorção de água e uso dos mesmos
ES519009A0 (es) Procedimiento para la obtencion de dispersiones de polimeros de injertos reticulares.
DE59007322D1 (de) Verfahren zur Verbesserung der Wasseraufnahmekapazität von vernetzten, wasserquellbaren Polymeren.
JPS5345352A (en) Resin compositions solubilized in water
JPS5691837A (en) Absorbing agent
JPS55129442A (en) Water-containing gel material
FR2237912A1 (en) Anti-sunburn polymers having aromatic chromophores - which absorb harmful UV frequencies, are used in cosmetic prepns.
JPS5536273A (en) Production of macromolecular material with high water-absorbing property
JPS5747338A (en) Water-containing composite and its production
JPS5443284A (en) Dope for forming soft contact lens
JPS5599986A (en) Method of preventing the leakage and immersion of water
JPS5520726A (en) Water-containing gel
JPS56159225A (en) Soundproof material composed of hydrogel
JPS55108437A (en) Crosslinked polyvinyl chloride resin composition
JPS5767928A (en) Positive type resist for dry etching
KR920012154A (ko) 생분해성을 가지는 폴리에스테르의 제조방법
JPS53121097A (en) Solution for forming heat-resistant polymer
ES496338A0 (es) Procedimiento para preparar un polimero de acrilonitrilo

Legal Events

Date Code Title Description
A201 Request for examination
E701 Decision to grant or registration of patent right
GRNT Written decision to grant
FPAY Annual fee payment

Payment date: 20120119

Year of fee payment: 15

FPAY Annual fee payment

Payment date: 20130118

Year of fee payment: 16

EXPY Expiration of term