NO20010985L - Papirfremstilling - Google Patents

Papirfremstilling

Info

Publication number
NO20010985L
NO20010985L NO20010985A NO20010985A NO20010985L NO 20010985 L NO20010985 L NO 20010985L NO 20010985 A NO20010985 A NO 20010985A NO 20010985 A NO20010985 A NO 20010985A NO 20010985 L NO20010985 L NO 20010985L
Authority
NO
Norway
Prior art keywords
suspension
flocculated
flocculate
flake
conduit
Prior art date
Application number
NO20010985A
Other languages
English (en)
Other versions
NO20010985D0 (no
Inventor
Ian Mark Waring
Original Assignee
Ciba Spec Chem Water Treat 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
Application filed by Ciba Spec Chem Water Treat Ltd filed Critical Ciba Spec Chem Water Treat Ltd
Publication of NO20010985D0 publication Critical patent/NO20010985D0/no
Publication of NO20010985L publication Critical patent/NO20010985L/no

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
    • 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
    • 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
    • D21H17/28—Starch

Landscapes

  • Paper (AREA)

Abstract

En fremgangsmåte for å fremstille papir på en papirmaskin omfattende å tilveiebringe en cellulosebasert, tynn råsuspensjon, å flokkulere suspensjonen ved å tilsette en vandig løsning av et polymert retensjons- hjelpemiddel valgt fra naturlig og syntetisk polymer og derved danne en flokkulert suspensjon, å forskyve den flokkulerte suspensjonen, å omflokkulere den forskjøvede suspensjonen ved å tilsette en vandig omflokkulerende suspensjon, å lede den omflokkulerte suspensjonen gjennom en ledning for å danne et flak, og å tørke flaket, karakterisert ved at stort sett fullstendig kokt stivelse tilsettes til suspensjonen etter forskyvningen og før ledingen.
NO20010985A 1998-08-28 2001-02-27 Papirfremstilling NO20010985L (no)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GBGB9818917.8A GB9818917D0 (en) 1998-08-28 1998-08-28 Manufacture of paper
PCT/EP1999/005999 WO2000012819A1 (en) 1998-08-28 1999-08-16 Manufacture of paper

Publications (2)

Publication Number Publication Date
NO20010985D0 NO20010985D0 (no) 2001-02-27
NO20010985L true NO20010985L (no) 2001-04-24

Family

ID=10838076

Family Applications (1)

Application Number Title Priority Date Filing Date
NO20010985A NO20010985L (no) 1998-08-28 2001-02-27 Papirfremstilling

Country Status (15)

Country Link
EP (1) EP1109972A1 (no)
JP (1) JP2002525448A (no)
KR (1) KR20010072977A (no)
CN (1) CN1314962A (no)
AU (1) AU5735799A (no)
BR (1) BR9913146A (no)
CA (1) CA2340641A1 (no)
GB (1) GB9818917D0 (no)
HU (1) HUP0103273A2 (no)
ID (1) ID28511A (no)
NO (1) NO20010985L (no)
PL (1) PL346277A1 (no)
SK (1) SK2722001A3 (no)
TW (1) TW499527B (no)
WO (1) WO2000012819A1 (no)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
PL1969183T3 (pl) * 2005-12-30 2015-05-29 Akzo Nobel Chemicals Int Bv Sposób wytwarzania papieru

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5482595A (en) * 1994-03-22 1996-01-09 Betz Paperchem, Inc. Method for improving retention and drainage characteristics in alkaline papermaking
GB9410965D0 (en) * 1994-06-01 1994-07-20 Allied Colloids Ltd Manufacture of paper
ZA9711714B (en) * 1996-12-31 1998-06-25 Allied Colloids Ltd Processes of making paper and materials for use in this.

Also Published As

Publication number Publication date
EP1109972A1 (en) 2001-06-27
PL346277A1 (en) 2002-01-28
BR9913146A (pt) 2001-05-08
AU5735799A (en) 2000-03-21
TW499527B (en) 2002-08-21
CN1314962A (zh) 2001-09-26
WO2000012819A1 (en) 2000-03-09
SK2722001A3 (en) 2001-09-11
CA2340641A1 (en) 2000-03-09
NO20010985D0 (no) 2001-02-27
HUP0103273A2 (hu) 2002-01-28
GB9818917D0 (en) 1998-10-21
KR20010072977A (ko) 2001-07-31
ID28511A (id) 2001-05-31
WO2000012819A8 (en) 2001-03-29
JP2002525448A (ja) 2002-08-13

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Legal Events

Date Code Title Description
FC2A Withdrawal, rejection or dismissal of laid open patent application