DE3561896D1 - Improvement in the dewatering of wet paper webs using mannich acrylamide polymers - Google Patents

Improvement in the dewatering of wet paper webs using mannich acrylamide polymers

Info

Publication number
DE3561896D1
DE3561896D1 DE8585101607T DE3561896T DE3561896D1 DE 3561896 D1 DE3561896 D1 DE 3561896D1 DE 8585101607 T DE8585101607 T DE 8585101607T DE 3561896 T DE3561896 T DE 3561896T DE 3561896 D1 DE3561896 D1 DE 3561896D1
Authority
DE
Germany
Prior art keywords
dewatering
wet paper
improvement
paper webs
acrylamide polymers
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
DE8585101607T
Other languages
English (en)
Inventor
Robert Emil Scalfarotto
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.)
Wyeth Holdings LLC
Original Assignee
American Cyanamid 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 American Cyanamid Co filed Critical American Cyanamid Co
Application granted granted Critical
Publication of DE3561896D1 publication Critical patent/DE3561896D1/de
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/18—De-watering; Elimination of cooking or pulp-treating liquors from the pulp
    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Materials For Medical Uses (AREA)
DE8585101607T 1984-03-26 1985-02-14 Improvement in the dewatering of wet paper webs using mannich acrylamide polymers Expired DE3561896D1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/593,053 US4599139A (en) 1984-03-26 1984-03-26 Dewatering of wet paper webs using Mannich acrylamide polymers

Publications (1)

Publication Number Publication Date
DE3561896D1 true DE3561896D1 (en) 1988-04-21

Family

ID=24373169

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8585101607T Expired DE3561896D1 (en) 1984-03-26 1985-02-14 Improvement in the dewatering of wet paper webs using mannich acrylamide polymers

Country Status (9)

Country Link
US (1) US4599139A (de)
EP (1) EP0155503B1 (de)
JP (1) JPS60209096A (de)
KR (1) KR850006456A (de)
AT (1) ATE33050T1 (de)
AU (1) AU563874B2 (de)
DE (1) DE3561896D1 (de)
ES (1) ES541550A0 (de)
NO (1) NO851190L (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5228692A (en) * 1991-08-23 1993-07-20 Innovative Environmental Tech., Inc. Gaming form

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3323979A (en) * 1964-09-24 1967-06-06 Dow Chemical Co Method of improving the drainage rate in forming paper by incorporating a reaction product of polyacrylamide, formaldehyde and dialkylamine in the furnish
US3874994A (en) * 1971-12-23 1975-04-01 American Cyanamid Co Process of making paper where an ionic vinylamide polymer latex is added to the furnish to improve dry strength of the paper
US4093542A (en) * 1973-07-04 1978-06-06 Chemische Fabrik Stockhausen & Cie Flocculating agent comprising water-in-oil emulsion of H-active polymer carrying formaldehyde and amine radicals
US4113685A (en) * 1975-01-02 1978-09-12 Chemische Fabrik Stockhausen & Cie Flocculating agent comprising water-in-oil emulsion of stabilizer plus NH-active polymer carrying formaldehyde and amine radicals

Also Published As

Publication number Publication date
JPS60209096A (ja) 1985-10-21
ES8603609A1 (es) 1986-01-01
EP0155503A1 (de) 1985-09-25
ES541550A0 (es) 1986-01-01
EP0155503B1 (de) 1988-03-16
AU563874B2 (en) 1987-07-23
KR850006456A (ko) 1985-10-05
ATE33050T1 (de) 1988-04-15
US4599139A (en) 1986-07-08
NO851190L (no) 1985-09-27
AU4031785A (en) 1985-10-03

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee