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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US5610208A (en) 1994-02-17 1997-03-11 Nippon Shokubai Co., Ltd. Water-absorbent agent, method for production thereof, and water-absorbent composition
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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
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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
US7981833B2 (en) * 2004-03-31 2011-07-19 Nippon Shokubai Co., Ltd. Aqueous-liquid-absorbing agent and its production process
AU2005253652B2 (en) * 2004-06-22 2011-02-24 Biocentral Laboratories Limited Biodegradable polymeric water retention concentrate
US7922785B2 (en) * 2004-06-22 2011-04-12 Biocentral Laboratories Limited Biodegradable polymeric 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
CN101516925B (zh) * 2006-09-19 2011-06-15 巴斯夫欧洲公司 生产具有低中和度的颜色稳定的吸水性聚合物颗粒的方法
JP5586228B2 (ja) * 2006-09-25 2014-09-10 ビーエーエスエフ ソシエタス・ヨーロピア 吸水性ポリマー粒子の連続的な製造方法
CN101605819B (zh) * 2007-02-06 2014-07-23 巴斯夫欧洲公司 通过聚合单体溶液的液滴生产吸水性聚合物颗粒的方法
CN102414160B (zh) 2009-05-15 2014-06-04 株式会社日本触媒 制备(甲基)丙烯酸的方法和结晶系统
WO2010131604A1 (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
US8637701B2 (en) 2009-05-15 2014-01-28 Nippon Shokubai Co., Ltd. Method for producing (meth) acrylic acid
EP2471847B2 (en) 2009-08-28 2018-01-03 Nippon Shokubai Co., Ltd. Process for production of water-absorbable resin
EP2527391B1 (en) 2010-01-20 2023-08-09 Nippon Shokubai Co., Ltd. Method for producing water absorbent resin
EP2527390B1 (en) 2010-01-20 2020-08-12 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
EP2546284B1 (en) 2010-03-12 2019-07-10 Nippon Shokubai Co., Ltd. Method for manufacturing a water-absorbing resin
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
CN102822209B (zh) 2010-04-07 2014-09-03 株式会社日本触媒 聚丙烯酸(盐)系吸水性树脂粉末的制造方法、聚丙烯酸(盐)系吸水性树脂粉末
EP2565219B1 (en) 2010-04-27 2018-06-27 Nippon Shokubai Co., Ltd. Method for producing polyacrylic acid (salt)-based water absorbent resin powder
CN103534427B (zh) 2011-05-12 2016-04-13 庞巴迪公司 闩锁
KR102143772B1 (ko) 2012-09-11 2020-08-12 가부시키가이샤 닛폰 쇼쿠바이 폴리아크릴산(염)계 흡수제의 제조 방법 및 그 흡수제
CN104822740B (zh) 2012-12-03 2020-08-11 株式会社日本触媒 聚丙烯酸(盐)系吸水性树脂及其制造方法
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
US11969707B2 (en) 2018-11-13 2024-04-30 Lg Chem, Ltd. Method for preparing super absorbent polymer
JP7273067B2 (ja) 2019-01-11 2023-05-12 株式会社日本触媒 吸水性樹脂を主成分とする吸水剤及びその製造方法
CN118055954A (zh) 2021-09-27 2024-05-17 巴斯夫欧洲公司 制备超级吸收剂颗粒的方法

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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
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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
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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
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Also Published As

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

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