DE69108804D1 - Verfahren zur Herstellung von Wasser absorbierenden Harzen. - Google Patents

Verfahren zur Herstellung von Wasser absorbierenden Harzen.

Info

Publication number
DE69108804D1
DE69108804D1 DE69108804T DE69108804T DE69108804D1 DE 69108804 D1 DE69108804 D1 DE 69108804D1 DE 69108804 T DE69108804 T DE 69108804T DE 69108804 T DE69108804 T DE 69108804T DE 69108804 D1 DE69108804 D1 DE 69108804D1
Authority
DE
Germany
Prior art keywords
production
water
absorbent resins
absorbent
resins
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
DE69108804T
Other languages
English (en)
Other versions
DE69108804T2 (de
Inventor
Takashi Sumiya
Masashi Date
Tanaka Kenji
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.)
Sanyo Chemical Industries Ltd
Original Assignee
Sanyo Chemical Industries 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
Priority claimed from JP23732890A external-priority patent/JPH04175319A/ja
Application filed by Sanyo Chemical Industries Ltd filed Critical Sanyo Chemical Industries Ltd
Publication of DE69108804D1 publication Critical patent/DE69108804D1/de
Application granted granted Critical
Publication of DE69108804T2 publication Critical patent/DE69108804T2/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
    • C08F220/00—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
    • C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
    • C08F220/04—Acids; Metal salts or ammonium salts thereof
    • C08F220/06—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
    • C08F2/04—Polymerisation in solution
    • C08F2/10—Aqueous solvent
    • 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
    • C08F222/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides, or nitriles thereof
    • C08F222/10—Esters
    • C08F222/1006—Esters of polyhydric alcohols or polyhydric phenols
    • C08F222/103—Esters of polyhydric alcohols or polyhydric phenols of trialcohols, e.g. trimethylolpropane tri(meth)acrylate
    • 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
    • C08F222/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides, or nitriles thereof
    • C08F222/36—Amides or imides
    • C08F222/38—Amides
    • C08F222/385—Monomers containing two or more (meth)acrylamide groups, e.g. N,N'-methylenebisacrylamide
DE69108804T 1990-07-17 1991-06-13 Verfahren zur Herstellung von Wasser absorbierenden Harzen. Expired - Fee Related DE69108804T2 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP18869190 1990-07-17
JP22910390 1990-08-29
JP23732890A JPH04175319A (ja) 1990-07-17 1990-09-06 吸水性樹脂の製造法

Publications (2)

Publication Number Publication Date
DE69108804D1 true DE69108804D1 (de) 1995-05-18
DE69108804T2 DE69108804T2 (de) 1995-08-24

Family

ID=27326079

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69108804T Expired - Fee Related DE69108804T2 (de) 1990-07-17 1991-06-13 Verfahren zur Herstellung von Wasser absorbierenden Harzen.

Country Status (6)

Country Link
US (1) US5380808A (de)
EP (1) EP0467073B1 (de)
CA (1) CA2046688A1 (de)
DE (1) DE69108804T2 (de)
ES (1) ES2070369T3 (de)
FI (1) FI913425A (de)

Families Citing this family (122)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH04236203A (ja) * 1991-01-19 1992-08-25 Sanyo Chem Ind Ltd 吸水性ヒドロゲル成形物の製造法
TW256840B (de) † 1992-06-10 1995-09-11 Nippon Catalytic Chem Ind
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
DE19529348C2 (de) * 1995-08-09 1997-11-20 Stockhausen Chem Fab Gmbh Absorptionsmittel für Wasser und wäßrige Flüssigkeiten auf Polyacrylatbasis sowie Verfahren zu ihrer Herstellung und Verwendung
TW522024B (en) * 1995-09-01 2003-03-01 Nippon Catalytic Chem Ind Absorbing agent composite, absorbent material, and absorbent product containing absorbent material
US5843059A (en) * 1995-11-15 1998-12-01 Kimberly-Clark Worldwide, Inc. Absorbent composite and disposable absorbent garment comprising same
US6322708B1 (en) 1995-12-22 2001-11-27 Losasso Janice E. Low molecular weight structured polymers
BR9612212A (pt) 1995-12-22 1999-12-28 Janice E Losasso Polìmeros estruturados de peso molecular inferior.
DE19601763A1 (de) * 1996-01-19 1997-07-24 Hoechst Ag Verwendung von Tensiden bei der Trocknung von hydrophilen, hochquellfähigen Hydrogelen
US6194531B1 (en) 1996-06-05 2001-02-27 Nippon Shokubai Co., Ltd. Method for production of cross-linked polymer
TW473485B (en) 1997-12-10 2002-01-21 Nippon Catalytic Chem Ind The production process of a water-absorbent resin
US6254990B1 (en) * 1998-02-18 2001-07-03 Nippon Shokubai Co., Ltd. Surface-crosslinking process for water-absorbent resin
DE19854573A1 (de) 1998-11-26 2000-05-31 Basf Ag Verfahren zur Nachvernetzung von Hydrogelen mit 2-Oxo-tetrahydro-1,3-oxazinen
JP4679683B2 (ja) 1999-11-02 2011-04-27 株式会社日本触媒 吸水性重合体の製造方法、及び該重合体の製造装置
AU4690201A (en) 2000-04-13 2001-10-30 Sanyo Chemical Ind Ltd Crosslinked polymer, process for producing the same, absorbent structure, and absorbent article
US6927268B2 (en) * 2000-06-21 2005-08-09 Nippon Shokubai Co., Ltd. Production process for water-absorbent resin
US6906159B2 (en) * 2000-08-03 2005-06-14 Nippon Shokubai Co., Ltd. Water-absorbent resin, hydropolymer, process for producing them, and uses of them
DE10052966A1 (de) * 2000-10-25 2002-05-02 Stockhausen Chem Fab Gmbh Hochquellbare Absorptionsmittel mit einer verminderten Tendenz zum Verbacken
US20040213892A1 (en) 2003-04-25 2004-10-28 Gerd Jonas Highly swellable absorption medium with reduced caking tendency
JP2002331522A (ja) * 2001-05-09 2002-11-19 Dai Ichi Kogyo Seiyaku Co Ltd 親水性樹脂粒状体の製造方法
US6727345B2 (en) 2001-07-03 2004-04-27 Nippon Shokubai Co., Ltd. Continuous production process for water-absorbent resin powder and powder surface detector used therefor
US6716894B2 (en) * 2001-07-06 2004-04-06 Nippon Shokubai Co., Ltd. Water-absorbent resin powder and its production process and uses
ES2254760T3 (es) 2001-10-01 2006-06-16 Basf Aktiengesellschaft Mezcla de polimeros de hidrogeles de diferente valor de ph.
KR100504592B1 (ko) * 2001-12-19 2005-08-03 니폰 쇼쿠바이 컴파니 리미티드 수흡수성 수지 및 그의 제조방법
EP1455853B1 (de) * 2001-12-19 2010-11-24 Nippon Shokubai Co., Ltd. Wasserabsorbierende polymere und verfahren zu deren herstellung
US7049366B2 (en) * 2001-12-19 2006-05-23 Nippon Shokubai Co., Ltd. Acrylic acid composition and its production process, and process for producing water-absorbent resin using this acrylic acid composition, and water-absorbent resin
US6875511B2 (en) 2002-05-30 2005-04-05 Nippon Shokubai Co., Ltd. Production process for particulate water-absorbent resin
DE10225943A1 (de) 2002-06-11 2004-01-08 Basf Ag Verfahren zur Herstellung von Estern von Polyalkoholen
BR0305034A (pt) * 2002-06-06 2004-07-20 Nippon Catalytic Chem Ind Composição para absorção de água, processo para produção da mesma, absorvente e produto absorvente
JP4087682B2 (ja) * 2002-11-07 2008-05-21 株式会社日本触媒 吸水性樹脂の製造方法および製造装置
US7193006B2 (en) * 2002-12-06 2007-03-20 Nippon Shokubai Co., Ltd. Process for continuous production of water-absorbent resin product
EP1433526A3 (de) * 2002-12-26 2007-03-14 Nippon Shokubai Co., Ltd. Wasser absorbierende Harzzusammensetzung
JP4364665B2 (ja) 2003-02-10 2009-11-18 株式会社日本触媒 粒子状吸水剤
US7960469B2 (en) * 2003-06-24 2011-06-14 Nippon Shokubai Co., Ltd. Water absorbent resin composition and production method thereof
KR100755476B1 (ko) * 2003-07-25 2007-09-04 니폰 쇼쿠바이 컴파니 리미티드 수-흡수성 수지 조성물 및 그 제조방법 및 이를 이용하여 제조된 흡수성 물질 및 흡수성 제품
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
US7872076B2 (en) * 2003-11-07 2011-01-18 Nippon Shokubai Co., Ltd. Particulate water-absorbent resin composition and its production process
US8765857B2 (en) * 2003-12-05 2014-07-01 Nippon Shokubai Co., Ltd. Particulate water retaining material for cultivating plant having water absorbent resin as main component
CN100434159C (zh) * 2003-12-12 2008-11-19 株式会社日本触媒 吸水剂及其生产方法和用途
US7473739B2 (en) * 2004-02-05 2009-01-06 Nippon Shokubai Co., Ltd. Particulate water absorbent agent and production method thereof, and water absorbent article
DE602005009599D1 (de) * 2004-03-24 2008-10-23 Nippon Catalytic Chem Ind Kontinuierliches Herstellungsverfahren für Wasser-absorbierendes Harz
US20070066167A1 (en) * 2004-03-29 2007-03-22 Katsuyuki Wada Particulate water absorbing agent with water-absorbing resin as main component
WO2005097313A1 (en) * 2004-03-31 2005-10-20 Nippon Shokubai Co., Ltd. An aqueous-liquid-absorbing agent and its production process
CN1950143B (zh) * 2004-05-12 2010-12-29 株式会社日本触媒 废溶液固化剂、制备该废溶液固化剂的方法及该废溶液固化剂的应用
DE602004029569D1 (de) * 2004-07-20 2010-11-25 Procter & Gamble Oberflächlich vernetzte superabsorbierende Partikeln und Verfahren zu ihrer Herstellung
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
EP1669394A1 (de) * 2004-12-10 2006-06-14 The Procter & Gamble Company Superabsorbierende Polymerpartikel mit verbesserter Oberflächenvernetzung und hydrophiler Eigenschaft und Verfahren zur Herstellung
US20060128827A1 (en) * 2004-12-10 2006-06-15 The Procter & Gamble Company Absorbent members comprising modified water absorbent resin for use in diapers
DE102005001789A1 (de) * 2005-01-13 2006-07-27 Basf Ag Verfahren zum Klassieren eines teilchenförmigen wasserabsorbierenden Harzes
JP4713167B2 (ja) * 2005-01-21 2011-06-29 株式会社日本触媒 吸水性樹脂の製造方法
JP2006233008A (ja) * 2005-02-24 2006-09-07 Nippon Shokubai Co Ltd 吸水性樹脂組成物の製造方法および吸水性樹脂組成物
DE102005014291A1 (de) * 2005-03-24 2006-09-28 Basf Ag Verfahren zur Herstellung wasserabsorbierender Polymere
TW200635969A (en) * 2005-04-06 2006-10-16 Nippon Catalytic Chem Ind Particulate water absorbing agent, water-absorbent core and absorbing article
TWI353360B (en) 2005-04-07 2011-12-01 Nippon Catalytic Chem Ind Production process of polyacrylic acid (salt) wate
TW200704650A (en) * 2005-04-12 2007-02-01 Nippon Catalytic Chem Ind 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
EP1736508A1 (de) 2005-06-22 2006-12-27 Basf Aktiengesellschaft Hydrogel-bildende Polymere mit erhöhter Durchlässigkeit und hohem Absorptionsvermögen
JP2007077366A (ja) * 2005-09-16 2007-03-29 Procter & Gamble Co 吸水剤の製法
US7786182B2 (en) 2005-09-16 2010-08-31 Nippon Shokubai Co., Ltd. Method for production of water absorbing agent
JP2007099845A (ja) * 2005-09-30 2007-04-19 Procter & Gamble Co 水性液吸収剤およびその製法
TW200720347A (en) * 2005-09-30 2007-06-01 Nippon Catalytic Chem Ind Water-absorbent agent composition and method for manufacturing the same
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 (de) * 2006-03-24 2020-01-08 Nippon Shokubai Co.,Ltd. Wasserabsorbierendes Harz und Verfahren zu seiner Herstellung
US8703859B2 (en) 2006-03-27 2014-04-22 Nippon Shokubai Co., Ltd. Production method for water-absorbing resin composition
EP2042521A1 (de) 2006-03-29 2009-04-01 Nippon Shokubai Co., Ltd. Verfahren zur Herstellung von wasserabsorbierendem Polyacrylsäure (Salz)-Harz
WO2007119528A1 (ja) 2006-03-30 2007-10-25 Nippon Shokubai Co., Ltd. アクロレインの製造方法
MX2008013041A (es) * 2006-04-10 2008-10-17 Procter & Gamble Un miembro absorbente que comprende una resina absorbente de agua modificada.
JP2008115103A (ja) * 2006-11-02 2008-05-22 Nippon Shokubai Co Ltd アクリル酸の製造方法、アクリル酸製造用装置、およびアクリル酸製造用組成物
US8076509B2 (en) * 2006-12-01 2011-12-13 Nippon Shokubai Co., Ltd. Process for producing acrylic acid
EP2107939B2 (de) † 2007-01-16 2020-04-29 Basf Se Herstellung supersaugfähiger polymere auf einem durchgehenden bandreaktor
CN101589066B (zh) 2007-01-24 2013-07-03 株式会社日本触媒 粒子状吸水性聚合物及其制造方法
EP2116571B1 (de) 2007-02-05 2019-05-01 Nippon Shokubai Co., Ltd. Granularer wasserabsorber und verfahren zu seiner herstellung
WO2008102322A2 (en) * 2007-02-22 2008-08-28 The Procter & Gamble Company Method of surface treating particulate material using electromagnetic radiation
EP2116572B1 (de) 2007-03-01 2016-09-07 Nippon Shokubai Co., Ltd. Granulares wasserabsorptionselement mit wasserabsorbierendem harz als hauptbestandteil
EP2135669B1 (de) 2007-03-29 2019-10-30 Nippon Shokubai Co., Ltd. Wasserabsorbierendes partikelförmiges element und herstellungsverfahren dafür
WO2008126793A1 (ja) 2007-04-05 2008-10-23 Nippon Shokubai Co., Ltd. 吸水性樹脂を主成分とする粒子状吸水剤
JP4991471B2 (ja) 2007-05-16 2012-08-01 株式会社日本触媒 グリセリン脱水用触媒、およびアクロレインの製造方法
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
JP5390511B2 (ja) 2008-04-11 2014-01-15 株式会社日本触媒 吸水性樹脂の表面処理方法および吸水性樹脂の製造方法
US8177997B2 (en) 2009-01-29 2012-05-15 Midwest Industrial Supply, Inc. Chemical method and composition for soil improvement
CL2010000073A1 (es) 2009-01-29 2011-01-07 Midwest Ind Supply Inc Composicion para mejora quimica del suelo que comprende un fluido sintetico y un reductor del punto de fluidez; composicion que comprende fluido sintetico, material biodegradable y fibras sinteticas; composicion que comprende un aceite base y poliisobutileno; composicion que comprende fluido sintetico y un ligante; metodo de aplicacion.
EP2395029B1 (de) 2009-02-06 2020-01-15 Nippon Shokubai Co., Ltd. Wasserabsorbierendes harz auf basis von polyacrylsäure (salz) und herstellungsverfahren dafür
JP5600670B2 (ja) 2009-02-17 2014-10-01 株式会社日本触媒 ポリアクリル酸系吸水性樹脂粉末およびその製造方法
JP5615801B2 (ja) 2009-03-04 2014-10-29 株式会社日本触媒 吸水性樹脂の製造方法
EP2415822B1 (de) 2009-03-31 2019-03-20 Nippon Shokubai Co., Ltd. Herstellungsverfahren für wasserabsorbierende harzpartikel
US8210769B2 (en) 2009-03-31 2012-07-03 Midwest Industrial Supply, Inc. Method and composition for modifying soil and dust control
US8066448B2 (en) 2009-03-31 2011-11-29 Midwest Industrial Supply, Inc. Dust suppression agent
US8033750B2 (en) 2009-03-31 2011-10-11 Midwest Industrial Supply, Inc. Method and composition for modifying soil and dust control
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
EP2484702B2 (de) 2009-09-30 2021-11-10 Nippon Shokubai Co., Ltd. Wasserabsorbierendes harz auf basis von polyacrylsäuresalz und verfahren zu seiner herstellung
JP5647625B2 (ja) 2009-12-24 2015-01-07 株式会社日本触媒 ポリアクリル酸系吸水性樹脂粉末及びその製造方法
WO2011125623A1 (ja) 2010-03-31 2011-10-13 株式会社日本触媒 グリセリン脱水用触媒、ならびに、この触媒を用いたアクロレインの製造方法、アクリル酸の製造方法、および親水性樹脂の製造方法
NZ603770A (en) 2010-05-07 2015-06-26 Midwest Ind Supply Inc Method and composition for road construction and surfacing
WO2011155540A1 (ja) 2010-06-08 2011-12-15 株式会社日本触媒 粒子状吸水性樹脂の製造方法
WO2012002455A1 (ja) 2010-06-30 2012-01-05 株式会社日本触媒 ポリアクリル酸系吸水性樹脂及びその製造方法
CN109225176A (zh) 2010-09-30 2019-01-18 株式会社日本触媒 颗粒状吸水剂及其制造方法
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
US9580519B2 (en) 2011-04-20 2017-02-28 Nippon Shokubai Co., Ltd. Method and apparatus for producing polyacrylic acid (salt)-based water absorbent resin
WO2013073614A1 (ja) 2011-11-15 2013-05-23 株式会社日本触媒 吸水剤組成物及びその製造方法、並びにその保管及び在庫方法
CN103946248B (zh) 2011-11-16 2016-08-24 株式会社日本触媒 聚丙烯酸(盐)系吸水性树脂的制造方法
KR101477252B1 (ko) 2012-04-13 2014-12-29 주식회사 엘지화학 고흡수성 수지의 제조 방법
WO2014034667A1 (ja) 2012-08-27 2014-03-06 株式会社日本触媒 粒子状吸水剤及びその製造方法
KR102269376B1 (ko) 2012-08-30 2021-06-25 가부시키가이샤 닛폰 쇼쿠바이 입자상 흡수제 및 그의 제조 방법
KR102124670B1 (ko) 2012-09-11 2020-06-18 가부시키가이샤 닛폰 쇼쿠바이 폴리아크릴산(염)계 흡수제의 제조 방법 및 그 흡수제
KR102143772B1 (ko) 2012-09-11 2020-08-12 가부시키가이샤 닛폰 쇼쿠바이 폴리아크릴산(염)계 흡수제의 제조 방법 및 그 흡수제
WO2014054656A1 (ja) 2012-10-01 2014-04-10 株式会社日本触媒 多元金属化合物からなる粉塵低減剤、多元金属化合物を含む吸水剤及びその製造方法
CN104703691B (zh) 2012-10-03 2018-03-02 株式会社日本触媒 吸水剂及其制造方法
US8702343B1 (en) 2012-12-21 2014-04-22 Midwest Industrial Supply, Inc. Method and composition for road construction and surfacing
US10195584B2 (en) 2013-01-29 2019-02-05 Nippon Shokubai Co., Ltd. Water absorbent resin material, and method for producing same
US9375507B2 (en) 2013-04-10 2016-06-28 Evonik Corporation Particulate superabsorbent polymer composition having improved stability
US9302248B2 (en) 2013-04-10 2016-04-05 Evonik Corporation Particulate superabsorbent polymer composition having improved stability
KR20140134219A (ko) 2013-05-13 2014-11-21 주식회사 엘지화학 고흡수성 수지 및 이의 제조 방법
WO2015093594A1 (ja) 2013-12-20 2015-06-25 株式会社日本触媒 ポリアクリル酸（塩）系吸水剤及びその製造方法
WO2016158976A1 (ja) * 2015-03-30 2016-10-06 株式会社日本触媒 粒子状吸水剤
JP6774946B2 (ja) 2015-07-01 2020-10-28 株式会社日本触媒 粒子状吸水剤
US10961358B2 (en) 2016-09-30 2021-03-30 Nippon Shokubai Co., Ltd. Water-absorbing resin composition
JP6800998B2 (ja) 2016-11-16 2020-12-16 株式会社日本触媒 吸水性樹脂粉末の製造方法、並びに粒子状含水ゲルの乾燥装置及び乾燥方法
US11931928B2 (en) * 2016-12-29 2024-03-19 Evonik Superabsorber Llc Continuous strand superabsorbent polymerization
JP6959475B2 (ja) 2019-04-09 2021-11-02 株式会社日本触媒 セメント用添加剤、セメント混和剤、セメント組成物、成形体、および成形体の強度向上方法
KR20220031899A (ko) * 2019-07-05 2022-03-14 스미토모 세이카 가부시키가이샤 가교 중합체 젤 및 그 제조 방법, 단량체 조성물, 및 가교 중합체 입자의 제조 방법
WO2021006179A1 (ja) * 2019-07-05 2021-01-14 住友精化株式会社 吸水性樹脂粒子の製造方法及び単量体水溶液
WO2022173003A1 (ja) 2021-02-15 2022-08-18 株式会社日本触媒 収縮低減剤及びセメント組成物

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1032922B (de) * 1956-09-26 1958-06-26 Basf Ag Verfahren zur kontinuierlichen Herstellung von wasserloeslichen Polymerisaten in fester Form
US4190562A (en) * 1977-04-04 1980-02-26 The B. F. Goodrich Company Improved water absorbent copolymers of copolymerizable carboxylic acids and acrylic or methacrylic esters
JPS6017328B2 (ja) * 1979-02-14 1985-05-02 株式会社日本触媒 ポリアクリル酸アルカリ金属塩架橋体の製法
US4342858A (en) * 1979-07-11 1982-08-03 Nl Industries, Inc. Polymeric polyelectrolytes
JPS56147809A (en) * 1980-04-18 1981-11-17 Sumitomo Chem Co Ltd Highly water absorbing hydrogel and its preparation
DE3239476C2 (de) * 1981-10-26 1984-06-20 Arakawa Kagaku Kogyo K.K., Osaka Verfahren zur Herstellung eines festen, trockenen und wasserabsorbierenden harzes
US4654039A (en) * 1985-06-18 1987-03-31 The Proctor & Gamble Company Hydrogel-forming polymer compositions for use in absorbent structures
US4742086A (en) * 1985-11-02 1988-05-03 Lion Corporation Process for manufacturing porous polymer
DE3544770A1 (de) * 1985-12-18 1987-06-19 Stockhausen Chem Fab Gmbh Verfahren und vorrichtung zum kontinuierlichen herstellen von polymerisaten und copolymerisaten der acrylsaeure und/oder methacrylsaeure
KR0130652B1 (ko) * 1987-08-14 1998-04-07 존 휴즈 수분 흡수성 수지의 제조 방법
JPH01178509A (ja) * 1988-01-11 1989-07-14 Kazuo Saotome 吸水性樹脂の製造方法

Also Published As

Publication number Publication date
US5380808A (en) 1995-01-10
CA2046688A1 (en) 1992-01-18
ES2070369T3 (es) 1995-06-01
FI913425A (fi) 1992-01-18
FI913425A0 (fi) 1991-07-16
DE69108804T2 (de) 1995-08-24
EP0467073A1 (de) 1992-01-22
EP0467073B1 (de) 1995-04-12

Similar Documents

Publication Publication Date Title
DE69108804T2 (de) Verfahren zur Herstellung von Wasser absorbierenden Harzen.
DE69009816D1 (de) Verfahren zur Herstellung von Siloxanharzen.
DE69201995D1 (de) Verfahren zur Herstellung von Nitrilen.
DE69110580D1 (de) Verfahren zur Herstellung von L-Tryptophan.
DE58908126D1 (de) Verfahren zur Herstellung von Organopolysilanen.
DE69106975D1 (de) Verfahren zur Herstellung von Nitrilen.
DE69203959D1 (de) Verfahren zur Herstellung von Prepregs.
DE69018178D1 (de) Verfahren zur Herstellung von Disilan.
DE69005606D1 (de) Verfahren zur Herstellung von Phenol.
DE59103625D1 (de) Verfahren zur Herstellung von Formteilen.
DE59108415D1 (de) Verfahren zur Herstellung von Epoxidharzen
DE59106083D1 (de) Verfahren zur Herstellung von Polyisobuten.
DE69105630D1 (de) Verfahren zur Herstellung von Methacrolein.
DE69107106D1 (de) Verfahren zur Herstellung von Pigmenten.
DE69022631T2 (de) Verfahren zur Herstellung von L-Tryptophan.
DE59004613D1 (de) Verfahren zur Herstellung von substituierten 2-Chlorpyridinen.
DE69109574D1 (de) Verfahren zur Herstellung von Trifluoroethylen.
DE69003463T2 (de) Verfahren zur Herstellung von kaltgebundenen Pellets.
DE69204417T2 (de) Verfahren zur Herstellung von Epoxiden.
DE69115235T2 (de) Verfahren zur Herstellung von Polyolefinen.
DE69204501D1 (de) Verfahren zur Herstellung von Oxamid.
DE69008697T2 (de) Verfahren zur Herstellung von Pentafluordichlorpropanen.
DE69122467D1 (de) Verfahren zur Herstellung von kohlensäurehaltigem Wasser
DE69005770T2 (de) Verfahren zur Herstellung von Pentafluordichlorpropanen.
DE59002991D1 (de) Verfahren zur Herstellung von chlorierten Nicotinaldehyden.

Legal Events

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