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WO2025006743A3 - Use of amphoteric emulsion polymers with strength resins as retention and drainage aids - Google Patents

Use of amphoteric emulsion polymers with strength resins as retention and drainage aids Download PDF

Info

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.)
Pending
Application number
PCT/US2024/035812
Other languages
French (fr)
Other versions
WO2025006743A2 (en
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
Publication of WO2025006743A2 publication Critical patent/WO2025006743A2/en
Publication of WO2025006743A3 publication Critical patent/WO2025006743A3/en
Anticipated expiration legal-status Critical
Pending 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

Landscapes

  • Paper (AREA)

Abstract

The present invention generally relates to methods and compositions for manufacture of tissue, paper, or board and for enhancing retention and drainage thereof. In particular, the disclosure provides methods for enhancing retention and drainage by addition of a retention and drainage aid comprising reactive cationic polymers (e.g., cationic strength resins), water-soluble amphoteric terpolymers, and optionally anionic organic or inorganic microparticles. Preparation of paper sheets under these conditions provides improved retention, drainage time, STFI and burst strength, and improved hydrophobic particle control.
PCT/US2024/035812 2023-06-28 2024-06-27 Use of amphoteric emulsion polymers with strength resins as retention and drainage aids Pending WO2025006743A2 (en)

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 (en) 2025-01-02
WO2025006743A3 true WO2025006743A3 (en) 2025-04-24

Family

ID=93940188

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2024/035812 Pending WO2025006743A2 (en) 2023-06-28 2024-06-27 Use of amphoteric emulsion polymers with strength resins as retention and drainage aids

Country Status (1)

Country Link
WO (1) WO2025006743A2 (en)

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
WO2025006743A2 (en) 2025-01-02

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