JP7708768B2 - 吸水性樹脂粒子の製造方法 - Google Patents

吸水性樹脂粒子の製造方法

Info

Publication number
JP7708768B2
JP7708768B2 JP2022540170A JP2022540170A JP7708768B2 JP 7708768 B2 JP7708768 B2 JP 7708768B2 JP 2022540170 A JP2022540170 A JP 2022540170A JP 2022540170 A JP2022540170 A JP 2022540170A JP 7708768 B2 JP7708768 B2 JP 7708768B2
Authority
JP
Japan
Prior art keywords
moisture content
drying
mass
less
drying process
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
JP2022540170A
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English (en)
Japanese (ja)
Other versions
JPWO2022024789A1 (https=
Inventor
萌 西田
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
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
Application filed by Sumitomo Seika Chemicals Co Ltd filed Critical Sumitomo Seika Chemicals Co Ltd
Publication of JPWO2022024789A1 publication Critical patent/JPWO2022024789A1/ja
Application granted granted Critical
Publication of JP7708768B2 publication Critical patent/JP7708768B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/22—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof comprising organic material
    • B01J20/26—Synthetic macromolecular compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J20/00—Solid sorbent compositions or filter aid compositions; Sorbents for chromatography; Processes for preparing, regenerating or reactivating thereof
    • B01J20/30—Processes for preparing, regenerating, or reactivating
    • 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)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Analytical Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
JP2022540170A 2020-07-28 2021-07-15 吸水性樹脂粒子の製造方法 Active JP7708768B2 (ja)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2020127413 2020-07-28
JP2020127413 2020-07-28
PCT/JP2021/026686 WO2022024789A1 (ja) 2020-07-28 2021-07-15 吸水性樹脂粒子の製造方法

Publications (2)

Publication Number Publication Date
JPWO2022024789A1 JPWO2022024789A1 (https=) 2022-02-03
JP7708768B2 true JP7708768B2 (ja) 2025-07-15

Family

ID=80036829

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2022540170A Active JP7708768B2 (ja) 2020-07-28 2021-07-15 吸水性樹脂粒子の製造方法

Country Status (2)

Country Link
JP (1) JP7708768B2 (https=)
WO (1) WO2022024789A1 (https=)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000212215A (ja) 1998-11-18 2000-08-02 Nippon Shokubai Co Ltd 親水性重合体の製造方法
WO2018135629A1 (ja) 2017-01-23 2018-07-26 住友精化株式会社 吸水性樹脂の製造方法

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61127707A (ja) * 1984-11-27 1986-06-16 Mitsubishi Chem Ind Ltd アクリルアミド系ポリマ−の乾燥方法
JP4916827B2 (ja) * 2006-09-08 2012-04-18 株式会社日本触媒 水溶性重合体含水ゲルの乾燥方法及び水溶性重合体

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000212215A (ja) 1998-11-18 2000-08-02 Nippon Shokubai Co Ltd 親水性重合体の製造方法
WO2018135629A1 (ja) 2017-01-23 2018-07-26 住友精化株式会社 吸水性樹脂の製造方法

Also Published As

Publication number Publication date
JPWO2022024789A1 (https=) 2022-02-03
WO2022024789A1 (ja) 2022-02-03

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