JP7234101B2 - 脱水処理が容易な吸水性樹脂粒子及びその製造方法 - Google Patents

脱水処理が容易な吸水性樹脂粒子及びその製造方法 Download PDF

Info

Publication number
JP7234101B2
JP7234101B2 JP2019208531A JP2019208531A JP7234101B2 JP 7234101 B2 JP7234101 B2 JP 7234101B2 JP 2019208531 A JP2019208531 A JP 2019208531A JP 2019208531 A JP2019208531 A JP 2019208531A JP 7234101 B2 JP7234101 B2 JP 7234101B2
Authority
JP
Japan
Prior art keywords
water
resin particles
absorbent resin
acid
aqueous 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
JP2019208531A
Other languages
English (en)
Japanese (ja)
Other versions
JP2021181507A (ja
JP2021181507A5 (https=
Inventor
英二 森田
敬士 中渕
徹 宮島
一充 鈴木
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.)
Sanyo Chemical Industries Ltd
Original Assignee
Sanyo Chemical Industries 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 Sanyo Chemical Industries Ltd filed Critical Sanyo Chemical Industries Ltd
Priority to JP2021170827A priority Critical patent/JP7200323B2/ja
Publication of JP2021181507A publication Critical patent/JP2021181507A/ja
Publication of JP2021181507A5 publication Critical patent/JP2021181507A5/ja
Application granted granted Critical
Publication of JP7234101B2 publication Critical patent/JP7234101B2/ja
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/52Mechanical processing of waste for the recovery of materials, e.g. crushing, shredding, separation or disassembly
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02WCLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
    • Y02W30/00Technologies for solid waste management
    • Y02W30/50Reuse, recycling or recovery technologies
    • Y02W30/62Plastics recycling; Rubber recycling

Landscapes

  • Processes Of Treating Macromolecular Substances (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Absorbent Articles And Supports Therefor (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
JP2019208531A 2018-11-21 2019-11-19 脱水処理が容易な吸水性樹脂粒子及びその製造方法 Active JP7234101B2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2021170827A JP7200323B2 (ja) 2018-11-21 2021-10-19 衛生用品の処理方法

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
JP2018218294 2018-11-21
JP2018218294 2018-11-21
JP2018230095 2018-12-07
JP2018230095 2018-12-07
JP2020558124 2019-09-25
JP2020558124 2019-09-25

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2021170827A Division JP7200323B2 (ja) 2018-11-21 2021-10-19 衛生用品の処理方法

Publications (3)

Publication Number Publication Date
JP2021181507A JP2021181507A (ja) 2021-11-25
JP2021181507A5 JP2021181507A5 (https=) 2022-01-06
JP7234101B2 true JP7234101B2 (ja) 2023-03-07

Family

ID=78611101

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2019208531A Active JP7234101B2 (ja) 2018-11-21 2019-11-19 脱水処理が容易な吸水性樹脂粒子及びその製造方法
JP2021170827A Active JP7200323B2 (ja) 2018-11-21 2021-10-19 衛生用品の処理方法

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2021170827A Active JP7200323B2 (ja) 2018-11-21 2021-10-19 衛生用品の処理方法

Country Status (1)

Country Link
JP (2) JP7234101B2 (https=)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021007923A (ja) * 2019-07-02 2021-01-28 株式会社Lixil 汚物処理装置及び汚物処理方法
JP7742814B2 (ja) * 2021-12-27 2025-09-22 株式会社トクヤマ 使用済み衛生用品の脱水方法および脱水剤
EP4474432A1 (en) * 2022-02-04 2024-12-11 Nippon Shokubai Co., Ltd. Method for producing water-absorbing resin containing recycled water-absorbing resin, and use thereof
JP7128979B1 (ja) 2022-03-30 2022-08-31 Sdpグローバル株式会社 吸水性樹脂組成物、並びにこれを用いた吸収体及び吸収性物品、並びに吸水性樹脂組成物の製造方法
EP4725979A1 (en) * 2023-09-27 2026-04-15 LG Chem, Ltd. Super absorbent polymer and preparation method thereof

Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000063527A (ja) 1998-08-12 2000-02-29 Nippon Shokubai Co Ltd 含水ゲル状架橋重合体の細粒化方法
WO2010073658A1 (ja) 2008-12-26 2010-07-01 サンダイヤポリマー株式会社 吸収性樹脂粒子、この製造方法、これを含む吸収体及び吸収性物品
JP2010185029A (ja) 2009-02-13 2010-08-26 San-Dia Polymer Ltd 吸収性樹脂粒子、この製造方法、これを含む吸収体及び吸収性物品
WO2011126079A1 (ja) 2010-04-07 2011-10-13 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及びポリアクリル酸(塩)系吸水性樹脂粉末
JP2012007062A (ja) 2010-06-24 2012-01-12 San-Dia Polymer Ltd 吸収性樹脂粒子、これを含む吸収体及び吸収性物品
JP2012177001A (ja) 2011-02-25 2012-09-13 San-Dia Polymer Ltd 吸収性樹脂粒子組成物、これを含む吸収体及び吸収性物品
JP2013203842A (ja) 2012-03-28 2013-10-07 San-Dia Polymer Ltd 吸収性樹脂粒子並びにこれを含む吸収体及び吸収性物品
WO2015030129A1 (ja) 2013-08-28 2015-03-05 株式会社日本触媒 ゲル粉砕装置、及びポリアクリル酸(塩)系吸水性樹脂粉末の製造方法、並びに吸水性樹脂粉末
WO2015030130A1 (ja) 2013-08-28 2015-03-05 株式会社日本触媒 ゲル粉砕装置、及びポリアクリル酸(塩)系吸水性樹脂粉末の製造方法、並びに吸水性樹脂粉末
WO2016114245A1 (ja) 2015-01-14 2016-07-21 Sdpグローバル株式会社 吸収性物品
WO2016158975A1 (ja) 2015-03-31 2016-10-06 株式会社日本触媒 ポリアクリル酸(塩)系吸水性樹脂粉末及びその製造方法、並びにその評価方法
WO2016204302A1 (ja) 2015-06-19 2016-12-22 株式会社日本触媒 ポリ(メタ)アクリル酸(塩)系粒子状吸水剤及び製造方法
WO2017170605A1 (ja) 2016-03-28 2017-10-05 株式会社日本触媒 粒子状吸水剤
JP2017206646A (ja) 2016-05-20 2017-11-24 Sdpグローバル株式会社 吸水性樹脂粒子、これを含有してなる吸収体及び吸収性物品
JP2018127508A (ja) 2017-02-06 2018-08-16 Sdpグローバル株式会社 吸収性樹脂粒子及びその製造方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3222462B2 (ja) * 1991-06-17 2001-10-29 ノワスト・テクノロジーズ・インコーポレーテツド 吸収性生理用紙製品の処理
JP2004025574A (ja) * 2002-06-25 2004-01-29 Kuraudo:Kk 紙おむつ処理方法およびその装置
JP5872885B2 (ja) * 2011-12-27 2016-03-01 ケア・ルートサービス株式会社 パルプ回収設備
WO2014203922A1 (ja) * 2013-06-21 2014-12-24 日本製紙株式会社 使用済み衛生用品の処理方法
JP6038001B2 (ja) * 2013-10-30 2016-12-07 ユニ・チャーム株式会社 使用済み衛生用品からリサイクルパルプを製造する方法

Patent Citations (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000063527A (ja) 1998-08-12 2000-02-29 Nippon Shokubai Co Ltd 含水ゲル状架橋重合体の細粒化方法
WO2010073658A1 (ja) 2008-12-26 2010-07-01 サンダイヤポリマー株式会社 吸収性樹脂粒子、この製造方法、これを含む吸収体及び吸収性物品
JP2010185029A (ja) 2009-02-13 2010-08-26 San-Dia Polymer Ltd 吸収性樹脂粒子、この製造方法、これを含む吸収体及び吸収性物品
WO2011126079A1 (ja) 2010-04-07 2011-10-13 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及びポリアクリル酸(塩)系吸水性樹脂粉末
JP2012007062A (ja) 2010-06-24 2012-01-12 San-Dia Polymer Ltd 吸収性樹脂粒子、これを含む吸収体及び吸収性物品
JP2012177001A (ja) 2011-02-25 2012-09-13 San-Dia Polymer Ltd 吸収性樹脂粒子組成物、これを含む吸収体及び吸収性物品
JP2013203842A (ja) 2012-03-28 2013-10-07 San-Dia Polymer Ltd 吸収性樹脂粒子並びにこれを含む吸収体及び吸収性物品
WO2015030129A1 (ja) 2013-08-28 2015-03-05 株式会社日本触媒 ゲル粉砕装置、及びポリアクリル酸(塩)系吸水性樹脂粉末の製造方法、並びに吸水性樹脂粉末
WO2015030130A1 (ja) 2013-08-28 2015-03-05 株式会社日本触媒 ゲル粉砕装置、及びポリアクリル酸(塩)系吸水性樹脂粉末の製造方法、並びに吸水性樹脂粉末
WO2016114245A1 (ja) 2015-01-14 2016-07-21 Sdpグローバル株式会社 吸収性物品
WO2016158975A1 (ja) 2015-03-31 2016-10-06 株式会社日本触媒 ポリアクリル酸(塩)系吸水性樹脂粉末及びその製造方法、並びにその評価方法
WO2016204302A1 (ja) 2015-06-19 2016-12-22 株式会社日本触媒 ポリ(メタ)アクリル酸(塩)系粒子状吸水剤及び製造方法
WO2017170605A1 (ja) 2016-03-28 2017-10-05 株式会社日本触媒 粒子状吸水剤
JP2017206646A (ja) 2016-05-20 2017-11-24 Sdpグローバル株式会社 吸水性樹脂粒子、これを含有してなる吸収体及び吸収性物品
JP2018127508A (ja) 2017-02-06 2018-08-16 Sdpグローバル株式会社 吸収性樹脂粒子及びその製造方法

Also Published As

Publication number Publication date
JP2021181507A (ja) 2021-11-25
JP7200323B2 (ja) 2023-01-06
JP2022009235A (ja) 2022-01-14

Similar Documents

Publication Publication Date Title
JP7200323B2 (ja) 衛生用品の処理方法
JPWO2018147317A1 (ja) 吸水性樹脂粒子並びにこれを用いた吸収体及び吸収性物品
CN113302228B (zh) 吸水性树脂颗粒及其制造方法
KR20110114535A (ko) 흡수성 수지 입자, 이 제조 방법, 이것을 함유하는 흡수체 및 흡수성 물품
JP7257090B2 (ja) 吸水性樹脂粒子及びその製造方法
JPWO2016143736A1 (ja) 水性液体吸収性樹脂粒子の製造方法、水性液体吸収性樹脂粒子、吸収体及び吸収性物品
JP7108422B2 (ja) 吸水性樹脂粒子、これを用いた吸収体及び吸収性物品、並びに吸水性樹脂粒子の製造方法
WO2020105277A1 (ja) 脱水処理が容易な吸水性樹脂粒子及びその製造方法
WO2022080342A1 (ja) 吸水性樹脂粒子の製造方法
JP2000143720A (ja) 吸水性樹脂の製造法
JP7094281B2 (ja) 吸水性樹脂粒子及びその製造方法
JP2023029421A (ja) 吸水性樹脂組成物及びその製造方法
JP7453918B2 (ja) 吸水性樹脂粒子およびその製造方法
JPH0121164B2 (https=)
JP7339253B2 (ja) 吸水性樹脂粒子、これを含む吸収体及び吸収性物品
WO2023149412A1 (ja) 吸水性樹脂組成物
JP7291686B2 (ja) 吸水性樹脂粒子及びその製造方法
JP6935996B2 (ja) 水性液体吸収性樹脂粒子並びにこれを用いた吸収体及び吸収性物品
JP2019006899A (ja) 粒状処理材の製造方法
JP6979759B2 (ja) 水性液体吸収性樹脂粒子並びにこれを用いた吸収体及び吸収性物品
JP2023038963A (ja) 吸水性樹脂組成物の製造方法
JP2024176182A (ja) 吸水性樹脂組成物
WO2023149423A1 (ja) 吸水性樹脂組成物
JP2025082884A (ja) 吸水性樹脂組成物
JP2019004778A (ja) 動物排泄物用粒状処理材

Legal Events

Date Code Title Description
A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A821

Effective date: 20191119

A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20210616

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20211020

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20220706

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20220831

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20230106

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20230124

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20230221

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20230222

R150 Certificate of patent or registration of utility model

Ref document number: 7234101

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R150

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250