CA987412A - Cationic dextran graft copolymers as dry strength additives for paper - Google Patents

Cationic dextran graft copolymers as dry strength additives for paper

Info

Publication number
CA987412A
CA987412A CA149,284A CA149284A CA987412A CA 987412 A CA987412 A CA 987412A CA 149284 A CA149284 A CA 149284A CA 987412 A CA987412 A CA 987412A
Authority
CA
Canada
Prior art keywords
paper
graft copolymers
dry strength
strength additives
cationic dextran
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
CA149,284A
Other versions
CA149284S (en
Inventor
Merwin F. Hoover
Gloria D. Sinkovitz
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.)
Calgon Corp
Original Assignee
Calgon Corp
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 Calgon Corp filed Critical Calgon Corp
Application granted granted Critical
Publication of CA987412A publication Critical patent/CA987412A/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
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • 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
    • D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
    • D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
    • D21H21/18—Reinforcing agents
CA149,284A 1971-09-22 1972-08-11 Cationic dextran graft copolymers as dry strength additives for paper Expired CA987412A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US18289871A 1971-09-22 1971-09-22

Publications (1)

Publication Number Publication Date
CA987412A true CA987412A (en) 1976-04-13

Family

ID=22670528

Family Applications (1)

Application Number Title Priority Date Filing Date
CA149,284A Expired CA987412A (en) 1971-09-22 1972-08-11 Cationic dextran graft copolymers as dry strength additives for paper

Country Status (3)

Country Link
US (1) US3734820A (en)
JP (1) JPS4841009A (en)
CA (1) CA987412A (en)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4973446A (en) * 1972-11-15 1974-07-16
US4233207A (en) * 1979-07-09 1980-11-11 Ciba-Geigy Corporation Hydrolytically stable ortho-alkylated phenyl phosphonites and stabilized compositions
US4517351A (en) * 1982-08-11 1985-05-14 National Starch And Chemical Corporation Process for reacting quaternary ammonium monomer in the presence of anionic polymers
DE3724646A1 (en) * 1987-07-25 1989-02-02 Basf Ag METHOD FOR PRODUCING PAPER, CARDBOARD AND CARDBOARD WITH HIGH DRY RESISTANCE
EP0600373A1 (en) * 1992-12-03 1994-06-08 Hoechst Aktiengesellschaft Alkyl-arylesters of arylphosphonous acid process for their preparation and their use
DE4438708A1 (en) * 1994-10-29 1996-05-02 Basf Ag Process for the cationic modification of starch and use of the cationically modified starch
DE19701524A1 (en) * 1997-01-17 1998-07-23 Basf Ag Polymer modified starch, process for its preparation and its use
DE19713755A1 (en) * 1997-04-04 1998-10-08 Basf Ag Process for the production of paper, cardboard and cardboard with high dry strength
US7709694B2 (en) * 1998-12-08 2010-05-04 Quick-Med Technologies, Inc. Materials with covalently-bonded, nonleachable, polymeric antimicrobial surfaces
US20050175656A1 (en) * 2001-09-28 2005-08-11 William Toreki Materials and methods for treating lumber and wood products
US7312861B2 (en) * 2003-09-08 2007-12-25 Mark Vincent Loen Method and apparatus for measuring the angular orientation between two surfaces
FR2874381B1 (en) * 2004-08-19 2006-11-24 Oreal NOVEL AMPHOTERIC POLYSACCHARIDE COMPOUNDS WITH FUNCTION (S) ALDEHYDE, COMPOSITION COMPRISING SAME AND USE THEREOF IN COSMETICS
JP6389581B1 (en) 2018-05-16 2018-09-12 株式会社Ｃｙｇａｍｅｓ Program, electronic apparatus, and method
US20230399447A1 (en) * 2022-06-10 2023-12-14 FermWorx, LLC Graft copolymers of dextran and polyacrylamide and methods of making and using same

Also Published As

Publication number Publication date
JPS4841009A (en) 1973-06-16
US3734820A (en) 1973-05-22

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