WO2025006743A3 - Utilisation de polymères en émulsion amphotères avec des résines résistantes en tant qu'auxiliaires de rétention et de drainage - Google Patents

Utilisation de polymères en émulsion amphotères avec des résines résistantes en tant qu'auxiliaires de rétention et de drainage Download PDF

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Publication number
WO2025006743A3
WO2025006743A3 PCT/US2024/035812 US2024035812W WO2025006743A3 WO 2025006743 A3 WO2025006743 A3 WO 2025006743A3 US 2024035812 W US2024035812 W US 2024035812W WO 2025006743 A3 WO2025006743 A3 WO 2025006743A3
Authority
WO
WIPO (PCT)
Prior art keywords
retention
drainage
strength resins
emulsion polymers
drainage aids
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.)
Ceased
Application number
PCT/US2024/035812
Other languages
English (en)
Other versions
WO2025006743A2 (fr
Inventor
Jennifer RISER
Junhua Chen
Yuping Luo
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.)
Kemira Oyj
Kemira Water Solutions Inc
Original Assignee
Kemira Oyj
Kemira Water Solutions Inc
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 Kemira Oyj, Kemira Water Solutions Inc filed Critical Kemira Oyj
Priority to KR1020267002449A priority Critical patent/KR20260028103A/ko
Priority to CN202480038487.4A priority patent/CN121488083A/zh
Priority to EP24832930.2A priority patent/EP4716777A2/fr
Publication of WO2025006743A2 publication Critical patent/WO2025006743A2/fr
Publication of WO2025006743A3 publication Critical patent/WO2025006743A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
    • D21H27/002—Tissue paper; Absorbent paper

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  • Paper (AREA)

Abstract

La présente divulgation concerne de manière générale des procédés et des compositions servant à fabriquer du tissu, du papier ou du carton et à améliorer la rétention et le drainage de ceux-ci. En particulier, la divulgation concerne des procédés permettant d'améliorer la rétention et le drainage par ajout d'un auxiliaire de rétention et de drainage contenant des polymères cationiques réactifs (par exemple, des résines résistantes cationiques), des terpolymères amphotères hydrosolubles, et éventuellement des microparticules organiques ou inorganiques anioniques. La préparation de feuilles de papier dans ces conditions permet d'améliorer la rétention, le temps de drainage, la STFI, la résistance à l'éclatement, et la régulation de particules hydrophobes.
PCT/US2024/035812 2023-06-28 2024-06-27 Utilisation de polymères en émulsion amphotères avec des résines résistantes en tant qu'auxiliaires de rétention et de drainage Ceased WO2025006743A2 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
KR1020267002449A KR20260028103A (ko) 2023-06-28 2024-06-27 보류 및 배수 보조제로서 강도 수지를 갖는 양쪽성 에멀젼 중합체의 용도
CN202480038487.4A CN121488083A (zh) 2023-06-28 2024-06-27 具有强度树脂的两性乳液聚合物作为助留助滤剂的用途
EP24832930.2A EP4716777A2 (fr) 2023-06-28 2024-06-27 Utilisation de polymères en émulsion amphotères avec des résines résistantes en tant qu'auxiliaires de rétention et de drainage

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US202363510759P 2023-06-28 2023-06-28
US63/510,759 2023-06-28
FI20236130 2023-10-12
FI20236130 2023-10-12

Publications (2)

Publication Number Publication Date
WO2025006743A2 WO2025006743A2 (fr) 2025-01-02
WO2025006743A3 true WO2025006743A3 (fr) 2025-04-24

Family

ID=93940188

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2024/035812 Ceased WO2025006743A2 (fr) 2023-06-28 2024-06-27 Utilisation de polymères en émulsion amphotères avec des résines résistantes en tant qu'auxiliaires de rétention et de drainage

Country Status (5)

Country Link
EP (1) EP4716777A2 (fr)
KR (1) KR20260028103A (fr)
CN (1) CN121488083A (fr)
CL (1) CL2025004086A1 (fr)
WO (1) WO2025006743A2 (fr)

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150041092A1 (en) * 2012-02-22 2015-02-12 Kemira Oyj Method for making of paper, tissue, board or the like
US20160201267A1 (en) * 2012-06-22 2016-07-14 Kemira Oyj Compositions and methods of making paper products
US20190024306A1 (en) * 2015-08-27 2019-01-24 Kemira Oyj A method for treating starch in pulp, paper and board making processes
US20190315890A1 (en) * 2016-01-25 2019-10-17 Basf Se Cationic polymer with an at least bimodal molecular weight distribution

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150041092A1 (en) * 2012-02-22 2015-02-12 Kemira Oyj Method for making of paper, tissue, board or the like
US20160201267A1 (en) * 2012-06-22 2016-07-14 Kemira Oyj Compositions and methods of making paper products
US20190024306A1 (en) * 2015-08-27 2019-01-24 Kemira Oyj A method for treating starch in pulp, paper and board making processes
US20190315890A1 (en) * 2016-01-25 2019-10-17 Basf Se Cationic polymer with an at least bimodal molecular weight distribution

Also Published As

Publication number Publication date
CL2025004086A1 (es) 2026-02-27
CN121488083A (zh) 2026-02-06
EP4716777A2 (fr) 2026-04-01
WO2025006743A2 (fr) 2025-01-02
KR20260028103A (ko) 2026-03-03

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