ES346541A1 - Process for Increasing Drainage from an Aqueous Suspension of Cellulosic Fibers - Google Patents

Process for Increasing Drainage from an Aqueous Suspension of Cellulosic Fibers

Info

Publication number
ES346541A1
ES346541A1 ES346541A ES346541A ES346541A1 ES 346541 A1 ES346541 A1 ES 346541A1 ES 346541 A ES346541 A ES 346541A ES 346541 A ES346541 A ES 346541A ES 346541 A1 ES346541 A1 ES 346541A1
Authority
ES
Spain
Prior art keywords
aqueous suspension
cellulosic fibers
increasing drainage
drainage
increasing
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.)
Expired
Application number
ES346541A
Other languages
Spanish (es)
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.)
ChampionX LLC
Original Assignee
Nalco Chemical Co
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 Nalco Chemical Co filed Critical Nalco Chemical Co
Publication of ES346541A1 publication Critical patent/ES346541A1/en
Expired 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/37—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
    • 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
    • D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20—Macromolecular organic compounds
    • D21H17/33—Synthetic macromolecular compounds
    • D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/41—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups
    • D21H17/44—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups cationic
    • D21H17/45—Nitrogen-containing groups
    • D21H17/455—Nitrogen-containing groups comprising tertiary amine or being at least partially quaternised

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)

Abstract

The freeness of a slurry of cellulosic fibres is improved by the addition of a copolymer of acrylanide or methacrylamide with a dialkylamino-alkyl acrylate or alkacrylate in which the alkyl groups contain 1, 2, or 3 carbon atoms.
ES346541A 1967-01-25 1967-10-28 Process for Increasing Drainage from an Aqueous Suspension of Cellulosic Fibers Expired ES346541A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US61157567A 1967-01-25 1967-01-25

Publications (1)

Publication Number Publication Date
ES346541A1 true ES346541A1 (en) 1968-12-16

Family

ID=24449564

Family Applications (1)

Application Number Title Priority Date Filing Date
ES346541A Expired ES346541A1 (en) 1967-01-25 1967-10-28 Process for Increasing Drainage from an Aqueous Suspension of Cellulosic Fibers

Country Status (4)

Country Link
DE (1) DE1621700A1 (en)
ES (1) ES346541A1 (en)
GB (1) GB1195737A (en)
SE (1) SE354087B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4894119A (en) * 1985-04-10 1990-01-16 Drew Chemical Corporation Retention and/or drainage and/or dewatering aid
EP0277728A3 (en) * 1987-01-30 1988-08-17 Calgon Corporation Drainage and retention aids for newsprint furnishes

Also Published As

Publication number Publication date
DE1621700A1 (en) 1971-07-08
GB1195737A (en) 1970-06-24
SE354087B (en) 1973-02-26

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