ES2026653T3 - Metodo para la produccion de un polimero hidrofilo. - Google Patents

Metodo para la produccion de un polimero hidrofilo.

Info

Publication number
ES2026653T3
ES2026653T3 ES198888303912T ES88303912T ES2026653T3 ES 2026653 T3 ES2026653 T3 ES 2026653T3 ES 198888303912 T ES198888303912 T ES 198888303912T ES 88303912 T ES88303912 T ES 88303912T ES 2026653 T3 ES2026653 T3 ES 2026653T3
Authority
ES
Spain
Prior art keywords
production
hydrophilic polymer
degrees
hydrated
gel
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
ES198888303912T
Other languages
English (en)
Inventor
Yoshio Irie
Kaoru Iwasaki
Takumi Hatsuda
Kazumasa Kimura
Nobuyuki Harada
Kunihiko Ishizaki
Tadao Shimomura
Teruaki Fujiwara
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.)
Nippon Shokubai Co Ltd
Original Assignee
Nippon Shokubai 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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=14389546&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2026653(T3) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nippon Shokubai Co Ltd filed Critical Nippon Shokubai Co Ltd
Application granted granted Critical
Publication of ES2026653T3 publication Critical patent/ES2026653T3/es
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
    • C08F6/00—Post-polymerisation treatments
    • C08F6/06—Treatment of polymer solutions
    • C08F6/10—Removal of volatile materials, e.g. solvents
    • 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
    • C08F6/00—Post-polymerisation treatments
    • C08F6/001—Removal of residual monomers by physical means

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

METODO PARA LA PRODUCCION DE UN POLIMERO HIDROFILICO QUE TIENE UN PEQUEÑO CONTENIDO DE MONOMERO RESIDUAL A PARTIR DE UN POLIMERO HIDRATADO, EN FORMA DE GEL. EL METODO COMPRENDE EL SECADO DEL GEL POLIMERICO HIDRATADO POR CONTACTO CON UN GAS QUE CONTIENE VAPOR Y QUE TIENE UN PUNTO DE ROCIO EN LA GAMA DE 50 A 100 GRADOS C A UNA TEMPERATURA EN EL INTERVALO DE 80 A 250 GRADOS C.
ES198888303912T 1987-04-30 1988-04-29 Metodo para la produccion de un polimero hidrofilo. Expired - Lifetime ES2026653T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP10476487 1987-04-30

Publications (1)

Publication Number Publication Date
ES2026653T3 true ES2026653T3 (es) 1992-05-01

Family

ID=14389546

Family Applications (1)

Application Number Title Priority Date Filing Date
ES198888303912T Expired - Lifetime ES2026653T3 (es) 1987-04-30 1988-04-29 Metodo para la produccion de un polimero hidrofilo.

Country Status (7)

Country Link
US (1) US4920202A (es)
EP (1) EP0289338B2 (es)
KR (1) KR940002553B1 (es)
CN (1) CN1015180B (es)
CA (1) CA1314355C (es)
DE (1) DE3865509D1 (es)
ES (1) ES2026653T3 (es)

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US5258473A (en) * 1989-11-20 1993-11-02 Basf Aktiengesellschaft Preparation of finely divided, water-soluble polymers
US5478879A (en) * 1991-01-22 1995-12-26 Nippon Shokubai Co., Ltd. Method for production of absorbent resin
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CA2053733C (en) * 1991-08-15 2002-04-30 Chuan-Ling Tsai Thermal treatment of superabsorbents to enhance their rate of absorbency under load
AU663336B2 (en) * 1991-09-09 1995-10-05 Dow Chemical Company, The Superabsorbent polymers and process for producing
ES2234068T5 (es) 1992-06-10 2011-01-24 Nippon Shokubai Co., Ltd. Método de producción de una resina hidrofílica.
JP3175791B2 (ja) * 1992-06-10 2001-06-11 株式会社日本触媒 吸水剤の製造方法
US5610208A (en) 1994-02-17 1997-03-11 Nippon Shokubai Co., Ltd. Water-absorbent agent, method for production thereof, and water-absorbent composition
GB9506360D0 (en) * 1995-03-28 1995-05-31 Unilever Plc A method of preparing polymer granules
DE69635897T2 (de) * 1995-11-02 2006-10-19 Nippon Shokubai Co. Ltd. Wasserabsorbierendes harz, absorbierendes material und verfahren zur herstellung derselben
DE19615937C1 (de) * 1996-03-31 1997-07-10 Bernhard Lipp Verfahren und Vorrichtung zum Konditionieren von Kunststoffteilen mit Wasserdampf
US5708904A (en) * 1996-06-14 1998-01-13 Eastman Kodak Company Photographic emulsion surface reforming method
US6113288A (en) * 1996-06-14 2000-09-05 Eastman Kodak Company Water deposition apparatus and method
DE19752127A1 (de) † 1997-11-25 1999-07-29 Stockhausen Chem Fab Gmbh Verfahren zur Herstellung von synthetischen Polymerisaten mit sehr niedrigem Restmonomergehalt, danach hergestellte Produkte und deren Verwendung
US6187902B1 (en) † 1997-12-25 2001-02-13 Nippon Shokubai Co., Ltd. Production process of hydrophilic crosslinked polymer
US6207796B1 (en) 1998-11-18 2001-03-27 Nippon Shokubai Co., Ltd. Production process for hydrophilic polymer
AU3192600A (en) * 1999-03-16 2000-10-04 Mitsubishi Chemical Corporation Water-absorbing composite and process for continuously producing the same
DE19955861A1 (de) * 1999-11-20 2001-05-23 Basf Ag Verfahren zur kontinuierlichen Herstellung von vernetzten feinteiligen gelförmigen Polymerisaten
EP1130045B2 (en) 2000-02-29 2015-10-28 Nippon Shokubai Co., Ltd. Process for producing a water-absorbent resin powder
DE10041395A1 (de) * 2000-08-23 2002-03-07 Stockhausen Chem Fab Gmbh Polymerdispersionen zur Feuerverhütung und -bekämpfung mit verbesserter Umweltverträglichkeit
DE10118020A1 (de) * 2001-04-10 2002-10-17 Stockhausen Chem Fab Gmbh Löschwasser-Additive
US6600011B2 (en) 2001-10-09 2003-07-29 Genzyme Corporation Process for purification and drying of polymer hydrogels
CN1938083B (zh) * 2004-03-31 2011-06-08 株式会社日本触媒 含水液体吸收剂和其生产方法
AU2005253652B2 (en) * 2004-06-22 2011-02-24 Biocentral Laboratories Limited Biodegradable polymeric water retention concentrate
WO2005122668A2 (en) * 2004-06-22 2005-12-29 Biocentral Laboratories Limited Biodegradable polymeric water retention concentrate
DE102005014291A1 (de) * 2005-03-24 2006-09-28 Basf Ag Verfahren zur Herstellung wasserabsorbierender Polymere
TW200712114A (en) * 2005-09-30 2007-04-01 Nippon Catalytic Chem Ind Method for manufacturing particulate water-absorbing agent and particulate water-absorbing agent
US7960490B2 (en) 2006-09-19 2011-06-14 Basf Se Process for preparing color-stable water-absorbing polymer particles with a low degree of neutralization
US20100016522A1 (en) 2006-09-25 2010-01-21 Basf Se Method for the Continuous Production of Water Absorbent Polymer Particles
WO2008095901A1 (de) * 2007-02-06 2008-08-14 Basf Se Verfahren zur herstellung wasserabsorbierender polymerpartikel durch polymerisation von tropfen einer monomerlösung
WO2010131589A1 (ja) 2009-05-15 2010-11-18 株式会社日本触媒 (メタ)アクリル酸の製造方法
SG175379A1 (en) 2009-05-15 2011-12-29 Nippon Catalytic Chem Ind Process for producing (meth)acrylic acid and crystallization system
US8586787B2 (en) 2009-05-15 2013-11-19 Nippon Shokubai Co., Ltd. Process for producing (meth)acrylic acid
EP2471848B2 (en) 2009-08-28 2017-11-29 Nippon Shokubai Co., Ltd. Process for production of water-absorbable resin
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
JP5605855B2 (ja) 2010-02-10 2014-10-15 株式会社日本触媒 吸水性樹脂粉末の製造方法
JP5658229B2 (ja) 2010-03-08 2015-01-21 株式会社日本触媒 粒子状含水ゲル状架橋重合体の乾燥方法
JP5504334B2 (ja) 2010-03-12 2014-05-28 株式会社日本触媒 吸水性樹脂の製造方法
CN102906124B (zh) † 2010-03-24 2014-12-17 巴斯夫欧洲公司 从吸水性聚合物颗粒中移除残余单体的方法
EP2557095B1 (en) 2010-04-07 2016-10-05 Nippon Shokubai Co., Ltd. Method for producing water absorbent polyacrylic acid (salt) resin powder, and water absorbent polyacrylic acid (salt) resin powder
EP2565219B1 (en) 2010-04-27 2018-06-27 Nippon Shokubai Co., Ltd. Method for producing polyacrylic acid (salt)-based water absorbent resin powder
WO2012155020A2 (en) 2011-05-12 2012-11-15 Bombardier Inc. Latch
JP6002773B2 (ja) 2012-09-11 2016-10-05 株式会社日本触媒 ポリアクリル酸（塩）系吸水剤の製造方法及びその吸水剤
US20150307667A1 (en) 2012-12-03 2015-10-29 Nippon Shokubai Co., Ltd. Polyacrylic acid (salt)-based water absorbent resin, and method for producing polyacrylic acid (salt)-based water absorbent resin
CN104650370B (zh) * 2013-11-18 2017-06-13 上海华谊新材料有限公司 吸水树脂及其制备方法
WO2020101287A1 (ko) 2018-11-13 2020-05-22 주식회사 엘지화학 고흡수성 수지의 제조 방법
KR102554051B1 (ko) 2019-01-11 2023-07-11 가부시키가이샤 닛폰 쇼쿠바이 흡수성 수지를 주성분으로 하는 흡수제 및 그의 제조 방법
KR20240088741A (ko) 2021-09-27 2024-06-20 바스프 에스이 초흡수제 입자의 제조 방법

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DE1070377B (de) * 1957-05-20 1959-12-03 The Dow Chemical Company, Midland, Mich. (V. St. A.) Verfahren zum Verringern des Monomcrenrestgehaltes eines Acrylsäureamidpolymerisats
GB1193635A (en) * 1966-07-06 1970-06-03 Edward Arthur Gill Improvements in or relating to the Manufacture of Water-Soluble Synthetic Polymers
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JPS5040689A (es) * 1973-06-29 1975-04-14
JPS5622883B2 (es) * 1973-08-22 1981-05-28
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JPS51125468A (en) * 1975-03-27 1976-11-01 Sanyo Chem Ind Ltd Method of preparing resins of high water absorbency
JPS53141388A (en) * 1977-05-16 1978-12-09 Nitto Chem Ind Co Ltd Preparation of acrylamide polymer
US4132844A (en) * 1977-05-23 1979-01-02 American Cyanamid Company Treatment of acrylamide polymer gel
US4193903A (en) * 1978-05-17 1980-03-18 Standard Oil Company Rapid removal of residual monomers from acrylonitrile copolymers
JPS54155296A (en) * 1978-05-29 1979-12-07 Sanyo Chem Ind Ltd Preparation of water-soluble polymer
JPS6045646B2 (ja) * 1978-06-29 1985-10-11 住友化学工業株式会社 ポリα−オレフインの乾燥法
FR2453185A1 (fr) * 1979-04-05 1980-10-31 Rhone Poulenc Ind Procede de preparation de polymeres ou copolymeres acryliques hydrosolubles a poids moleculaire eleve et a faible teneur en monomere(s) residuels(s)
JPS5734101A (en) * 1980-08-11 1982-02-24 Nippon Shokubai Kagaku Kogyo Co Ltd Novel polymerization process
JPS5849714A (ja) * 1981-09-18 1983-03-24 Arakawa Chem Ind Co Ltd ポリアクリル酸塩乾燥固体の製造方法
JPS59133205A (ja) * 1983-01-20 1984-07-31 Hitachi Chem Co Ltd 水溶性重合体の製造法
US4625001A (en) * 1984-09-25 1986-11-25 Nippon Shokubai Kagaku Kogyo Co., Ltd. Method for continuous production of cross-linked polymer
JPS61275355A (ja) * 1985-05-29 1986-12-05 Kao Corp 吸収性物品
JPH0689065B2 (ja) * 1985-09-02 1994-11-09 ユニ・チャーム株式会社 吸水性複合体の製造方法
JPH0621127B2 (ja) * 1986-04-16 1994-03-23 花王株式会社 吸液性複合体の連続的製造方法
DE3631070A1 (de) * 1986-09-12 1988-03-24 Basf Ag Verfahren zur herstellung von terpolymeren

Also Published As

Publication number Publication date
EP0289338A2 (en) 1988-11-02
KR940002553B1 (ko) 1994-03-25
US4920202A (en) 1990-04-24
CA1314355C (en) 1993-03-09
CN88103323A (zh) 1988-12-21
DE3865509D1 (de) 1991-11-21
KR880012655A (ko) 1988-11-28
EP0289338A3 (en) 1989-04-12
EP0289338B2 (en) 2000-03-22
EP0289338B1 (en) 1991-10-16
CN1015180B (zh) 1991-12-25

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