JP7756731B2 - 吸水性樹脂の重合方法 - Google Patents

吸水性樹脂の重合方法

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Publication number
JP7756731B2
JP7756731B2 JP2023578662A JP2023578662A JP7756731B2 JP 7756731 B2 JP7756731 B2 JP 7756731B2 JP 2023578662 A JP2023578662 A JP 2023578662A JP 2023578662 A JP2023578662 A JP 2023578662A JP 7756731 B2 JP7756731 B2 JP 7756731B2
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JP
Japan
Prior art keywords
water
absorbent resin
mass
polymerization
solution
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.)
Active
Application number
JP2023578662A
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English (en)
Japanese (ja)
Other versions
JPWO2023149574A5 (https=
JPWO2023149574A1 (https=
Inventor
一司 鳥井
一樹 木村
信弘 小林
まり子 玉置
大祐 松井
峻一 田島
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.)
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Publication date
Application filed by Nippon Shokubai Co Ltd filed Critical Nippon Shokubai Co Ltd
Publication of JPWO2023149574A1 publication Critical patent/JPWO2023149574A1/ja
Publication of JPWO2023149574A5 publication Critical patent/JPWO2023149574A5/ja
Application granted granted Critical
Publication of JP7756731B2 publication Critical patent/JP7756731B2/ja
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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
    • C08F2/00—Processes of polymerisation
    • C08F2/44—Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C08L51/003—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to macromolecular compounds obtained by reactions only involving unsaturated carbon-to-carbon bonds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
    • C08L2205/16—Fibres; Fibrils

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)
JP2023578662A 2022-02-04 2023-02-06 吸水性樹脂の重合方法 Active JP7756731B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2022016733 2022-02-04
JP2022016733 2022-02-04
PCT/JP2023/003776 WO2023149574A1 (ja) 2022-02-04 2023-02-06 吸水性樹脂の重合方法

Publications (3)

Publication Number Publication Date
JPWO2023149574A1 JPWO2023149574A1 (https=) 2023-08-10
JPWO2023149574A5 JPWO2023149574A5 (https=) 2024-09-06
JP7756731B2 true JP7756731B2 (ja) 2025-10-20

Family

ID=87552645

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2023578662A Active JP7756731B2 (ja) 2022-02-04 2023-02-06 吸水性樹脂の重合方法

Country Status (3)

Country Link
EP (1) EP4474400A4 (https=)
JP (1) JP7756731B2 (https=)
WO (1) WO2023149574A1 (https=)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012023433A1 (ja) 2010-08-19 2012-02-23 住友精化株式会社 吸水性樹脂
WO2021095806A1 (ja) 2019-11-12 2021-05-20 株式会社日本触媒 粒子状吸水剤およびその製造方法

Family Cites Families (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6253479A (ja) * 1985-09-03 1987-03-09 マルハ株式会社 吸水性の付与された繊維材料
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
JPS63178115A (ja) * 1986-09-12 1988-07-22 Hayashikane Zosen Kk 吸水性樹脂の製造方法
JPH07110899B2 (ja) * 1988-09-28 1995-11-29 株式会社日本触媒 吸水性複合体の製造方法
JP3444722B2 (ja) * 1996-03-13 2003-09-08 三菱化学株式会社 吸水性複合体の製造方法
JPH1045812A (ja) * 1996-07-31 1998-02-17 Sekisui Plastics Co Ltd 繊維含有吸水性樹脂の製造方法
US6241928B1 (en) 1998-04-28 2001-06-05 Nippon Shokubai Co., Ltd. Method for production of shaped hydrogel of absorbent resin
DE19955861A1 (de) 1999-11-20 2001-05-23 Basf Ag Verfahren zur kontinuierlichen Herstellung von vernetzten feinteiligen gelförmigen Polymerisaten
JP4805490B2 (ja) 2000-08-03 2011-11-02 株式会社日本触媒 吸水性樹脂の製造方法
US6720389B2 (en) 2000-09-20 2004-04-13 Nippon Shokubai Co., Ltd. Water-absorbent resin and production process therefor
KR100909182B1 (ko) 2001-09-12 2009-07-23 에보닉 스톡하우젠 게엠베하 초흡수성 중합체를 제조하기 위한 연속식 중합방법
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
RU2299075C2 (ru) 2003-02-10 2007-05-20 Ниппон Сокубаи Ко., Лтд. Гигроскопическая добавка
WO2005075070A1 (ja) 2004-02-05 2005-08-18 Nippon Shokubai Co., Ltd. 粒子状吸水剤及びその製造方法並びに吸水性物品
DE602005009599D1 (de) 2004-03-24 2008-10-23 Nippon Catalytic Chem Ind Kontinuierliches Herstellungsverfahren für Wasser-absorbierendes Harz
DE102005014291A1 (de) 2005-03-24 2006-09-28 Basf Ag Verfahren zur Herstellung wasserabsorbierender Polymere
TWI353360B (en) 2005-04-07 2011-12-01 Nippon Catalytic Chem Ind Production process of polyacrylic acid (salt) wate
DE102005042604A1 (de) 2005-09-07 2007-03-08 Basf Ag Neutralisationsverfahren
JP5410412B2 (ja) 2008-03-31 2014-02-05 株式会社日本触媒 吸水性樹脂を主成分とする粒子状吸水剤の製造方法及びその製造装置
EP2471847B2 (en) 2009-08-28 2018-01-03 Nippon Shokubai Co., Ltd. Process for production of water-absorbable resin
WO2011040530A1 (ja) 2009-09-30 2011-04-07 株式会社日本触媒 粒子状吸水剤及びその製造方法
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
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

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012023433A1 (ja) 2010-08-19 2012-02-23 住友精化株式会社 吸水性樹脂
WO2021095806A1 (ja) 2019-11-12 2021-05-20 株式会社日本触媒 粒子状吸水剤およびその製造方法

Also Published As

Publication number Publication date
EP4474400A1 (en) 2024-12-11
WO2023149574A1 (ja) 2023-08-10
EP4474400A4 (en) 2026-02-18
JPWO2023149574A1 (https=) 2023-08-10

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