JP7738561B2 - 吸水性樹脂粒子を製造する方法 - Google Patents

吸水性樹脂粒子を製造する方法

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Publication number
JP7738561B2
JP7738561B2 JP2022539534A JP2022539534A JP7738561B2 JP 7738561 B2 JP7738561 B2 JP 7738561B2 JP 2022539534 A JP2022539534 A JP 2022539534A JP 2022539534 A JP2022539534 A JP 2022539534A JP 7738561 B2 JP7738561 B2 JP 7738561B2
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Japan
Prior art keywords
reaction
measurement points
polymer
liquid
water
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Application number
JP2022539534A
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English (en)
Japanese (ja)
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JPWO2022025122A1 (https=
Inventor
志保 岡澤
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.)
Sumitomo Seika Chemicals Co Ltd
Original Assignee
Sumitomo Seika Chemicals Co Ltd
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Publication of JPWO2022025122A1 publication Critical patent/JPWO2022025122A1/ja
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Publication of JP7738561B2 publication Critical patent/JP7738561B2/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
    • C08F2/00—Processes of polymerisation
    • C08F2/01—Processes of polymerisation characterised by special features of the polymerisation apparatus used
    • 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
    • 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
    • C08J3/12—Powdering or granulating

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)
JP2022539534A 2020-07-31 2021-07-28 吸水性樹脂粒子を製造する方法 Active JP7738561B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020130389 2020-07-31
JP2020130389 2020-07-31
PCT/JP2021/027923 WO2022025122A1 (ja) 2020-07-31 2021-07-28 吸水性樹脂粒子を製造する方法

Publications (2)

Publication Number Publication Date
JPWO2022025122A1 JPWO2022025122A1 (https=) 2022-02-03
JP7738561B2 true JP7738561B2 (ja) 2025-09-12

Family

ID=80035703

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022539534A Active JP7738561B2 (ja) 2020-07-31 2021-07-28 吸水性樹脂粒子を製造する方法

Country Status (2)

Country Link
JP (1) JP7738561B2 (https=)
WO (1) WO2022025122A1 (https=)

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2007284675A (ja) 2006-03-24 2007-11-01 Nippon Shokubai Co Ltd 吸水性樹脂およびその製造方法
JP2008535963A (ja) 2005-03-30 2008-09-04 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製造方法
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
WO2011136301A1 (ja) 2010-04-27 2011-11-03 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
JP2014098172A (ja) 2009-12-24 2014-05-29 Nippon Shokubai Co Ltd ポリアクリル酸系吸水性樹脂粉末及びその製造方法
JP2016112474A (ja) 2013-04-05 2016-06-23 株式会社日本触媒 吸水剤の製造方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08165303A (ja) * 1994-12-16 1996-06-25 Nippon Shokubai Co Ltd 含水ゲル状架橋重合体粒子の製造装置及び製造方法
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
JP4326612B2 (ja) * 1997-12-10 2009-09-09 株式会社日本触媒 粒子状吸水性樹脂の製造方法
JPH11302306A (ja) * 1998-04-24 1999-11-02 Nippon Shokubai Co Ltd 吸水性樹脂の製造方法
JP4368892B2 (ja) * 2003-07-18 2009-11-18 株式会社日本触媒 水溶性多孔質ポリマーの製造方法および水溶性多孔質ポリマー
JP4878116B2 (ja) * 2004-11-18 2012-02-15 旭化成ケミカルズ株式会社 吸水性樹脂製造方法

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2008535963A (ja) 2005-03-30 2008-09-04 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製造方法
JP2007284675A (ja) 2006-03-24 2007-11-01 Nippon Shokubai Co Ltd 吸水性樹脂およびその製造方法
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
JP2014098172A (ja) 2009-12-24 2014-05-29 Nippon Shokubai Co Ltd ポリアクリル酸系吸水性樹脂粉末及びその製造方法
WO2011136301A1 (ja) 2010-04-27 2011-11-03 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
JP2016112474A (ja) 2013-04-05 2016-06-23 株式会社日本触媒 吸水剤の製造方法

Also Published As

Publication number Publication date
JPWO2022025122A1 (https=) 2022-02-03
WO2022025122A1 (ja) 2022-02-03

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