CA1329683C - Procede de fabrication de papier et de carton - Google Patents

Procede de fabrication de papier et de carton

Info

Publication number
CA1329683C
CA1329683C CA 597426 CA597426A CA1329683C CA 1329683 C CA1329683 C CA 1329683C CA 597426 CA597426 CA 597426 CA 597426 A CA597426 A CA 597426A CA 1329683 C CA1329683 C CA 1329683C
Authority
CA
Canada
Prior art keywords
polymer
paper
suspension
retention
shear
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 - Lifetime
Application number
CA 597426
Other languages
English (en)
Inventor
Peter Michael Lowry
David Farrar
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.)
Ciba Specialty Chemicals Water Treatments Ltd
Original Assignee
Allied Colloids Ltd
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=10635686&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=CA1329683(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Allied Colloids Ltd filed Critical Allied Colloids Ltd
Application granted granted Critical
Publication of CA1329683C publication Critical patent/CA1329683C/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • D21H23/00—Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/04—Addition to the pulp; After-treatment of added substances in the pulp
    • D21H23/06—Controlling the addition
    • D21H23/14—Controlling the addition by selecting point of addition or time of contact between components
    • D21H23/16—Addition before or during pulp beating or refining
    • 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
    • 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
    • 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
    • D21H21/06—Paper forming aids
    • D21H21/10—Retention agents or drainage improvers

Landscapes

  • Paper (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
CA 597426 1988-04-22 1989-04-21 Procede de fabrication de papier et de carton Expired - Lifetime CA1329683C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB8809588.0 1988-04-22
GB888809588A GB8809588D0 (en) 1988-04-22 1988-04-22 Processes for the production of paper & paper board

Publications (1)

Publication Number Publication Date
CA1329683C true CA1329683C (fr) 1994-05-24

Family

ID=10635686

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 597426 Expired - Lifetime CA1329683C (fr) 1988-04-22 1989-04-21 Procede de fabrication de papier et de carton

Country Status (8)

Country Link
EP (1) EP0366764B1 (fr)
JP (1) JPH02504049A (fr)
CA (1) CA1329683C (fr)
DE (1) DE68910639T2 (fr)
FI (1) FI95827C (fr)
GB (1) GB8809588D0 (fr)
NO (1) NO175648C (fr)
WO (1) WO1989010447A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5110878A (en) * 1991-05-14 1992-05-05 E. I. Du Pont De Nemours And Company Dry polyamide-epichlorohydrin resin power for strengthening wet paper
US5571380A (en) * 1992-01-08 1996-11-05 Nalco Chemical Company Papermaking process with improved retention and maintained formation
EP2721214B1 (fr) 2011-06-20 2017-02-01 Basf Se Production de papier et de karton
CN103608516B (zh) * 2011-06-20 2016-11-16 巴斯夫欧洲公司 生产纸和纸板

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2345922A1 (de) * 1973-09-12 1975-04-17 Bayer Ag Papierhilfsmittel
FI272374A (fr) * 1973-10-01 1975-04-02 Calgon Corp
DE202780T1 (de) * 1985-04-25 1988-01-14 Allied Colloids Group Ltd., Bradford, Yorkshire Flockungsverfahren.
GB8602121D0 (en) * 1986-01-29 1986-03-05 Allied Colloids Ltd Paper & paper board

Also Published As

Publication number Publication date
NO895166L (no) 1989-12-21
FI895957A0 (fi) 1989-12-13
EP0366764A1 (fr) 1990-05-09
FI95827B (fi) 1995-12-15
JPH02504049A (ja) 1990-11-22
NO895166D0 (no) 1989-12-21
GB8809588D0 (en) 1988-05-25
NO175648B (fr) 1994-08-01
FI95827C (fi) 1996-03-25
DE68910639T2 (de) 1994-02-24
DE68910639D1 (de) 1993-12-16
EP0366764B1 (fr) 1993-11-10
WO1989010447A1 (fr) 1989-11-02
NO175648C (no) 1994-11-09

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Legal Events

Date Code Title Description
MKEX Expiry

Effective date: 20110524