AT280764B - Process for dewatering cellulose fiber suspensions - Google Patents

Process for dewatering cellulose fiber suspensions

Info

Publication number
AT280764B
AT280764B AT1152968A AT1152968A AT280764B AT 280764 B AT280764 B AT 280764B AT 1152968 A AT1152968 A AT 1152968A AT 1152968 A AT1152968 A AT 1152968A AT 280764 B AT280764 B AT 280764B
Authority
AT
Austria
Prior art keywords
cellulose fiber
fiber suspensions
dewatering cellulose
dewatering
suspensions
Prior art date
Application number
AT1152968A
Other languages
German (de)
Original Assignee
Hoechst Ag
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 Hoechst Ag filed Critical Hoechst Ag
Application granted granted Critical
Publication of AT280764B publication Critical patent/AT280764B/en

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
    • D21H17/41—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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Paper (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
AT1152968A 1967-11-29 1968-11-27 Process for dewatering cellulose fiber suspensions AT280764B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DEF0054153 1967-11-29

Publications (1)

Publication Number Publication Date
AT280764B true AT280764B (en) 1970-04-27

Family

ID=7106875

Family Applications (1)

Application Number Title Priority Date Filing Date
AT1152968A AT280764B (en) 1967-11-29 1968-11-27 Process for dewatering cellulose fiber suspensions

Country Status (7)

Country Link
US (1) US3597314A (en)
AT (1) AT280764B (en)
BE (1) BE724708A (en)
DE (1) DE1692854A1 (en)
FR (1) FR1593856A (en)
GB (1) GB1241853A (en)
SE (1) SE336086B (en)

Families Citing this family (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL251863A (en) * 1959-05-22
DE2047248A1 (en) * 1970-09-25 1972-03-30 Farbenfabriken Bayer Ag, 5090 Leverkusen Filaments and films made from acrylonitrile copolymers free of vacuoles
DE3128478A1 (en) * 1981-07-18 1983-02-03 Basf Ag, 6700 Ludwigshafen METHOD FOR PRODUCING LINEAR, BASIC POLYMERISATS
DE3534273A1 (en) * 1985-09-26 1987-04-02 Basf Ag METHOD FOR PRODUCING VINYLAMINE UNITS CONTAINING WATER-SOLUBLE COPOLYMERISATS AND THE USE THEREOF AS WET AND DRY-FASTENING AGENTS FOR PAPER
DE3620065A1 (en) * 1986-06-14 1987-12-17 Basf Ag METHOD FOR PRODUCING PAPER, CARDBOARD AND CARDBOARD
MX168601B (en) * 1986-10-01 1993-06-01 Air Prod & Chem PROCEDURE FOR THE PREPARATION OF A HIGH MOLECULAR WEIGHT VINYLAMINE HOMOPOLYMER
US4795770A (en) * 1986-10-01 1989-01-03 Air Products And Chemicals, Inc. Cement composition for oil well drilling holes containing high molecular weight poly (vinylamines)
US4828725A (en) * 1986-10-01 1989-05-09 Air Products And Chemicals, Inc. Completion fluids containing high molecular weight poly(vinylamines)
US4798871A (en) * 1986-10-01 1989-01-17 Air Products And Chemicals, Inc. Compositions containing high molecular weight poly(vinylamines) for enhanced oil recovery
US4804793A (en) * 1986-10-01 1989-02-14 Air Products And Chemicals, Inc. Drilling mud compositions containing high molecular weight poly (vinylamines)
EP0331047A1 (en) * 1988-03-04 1989-09-06 Air Products And Chemicals, Inc. Papermaking process comprising the addition of high molecular weight poly(vinylamines) to the wet-end cellulose fiber slurry
US5300566A (en) * 1988-04-15 1994-04-05 Air Products And Chemicals, Inc. Method for preparing poly(vinyl alcohol)-co-poly(vinylamine) via a two-phase process
DE3909004A1 (en) * 1989-03-18 1990-09-27 Basf Ag USE OF NON-HYDROLYSED N-VINYLFORMAMIDE UNITS CONTAINING COPOLYMERS IN PAPER PRODUCTION
DE4001045A1 (en) * 1990-01-16 1991-07-18 Basf Ag Paper, paste-board and cardboard prodn. - by draining pulp contg. retention agent and as fixing agent, min. 60 per cent-hydrolysed homo- or copolymer of N-vinyl-formamide
CA2100117C (en) * 1992-07-15 1997-10-07 Lloyd M. Robeson Paper wet-strength improvement with cellulose reactive size and amine functional poly(vinyl alcohol)
US5630907A (en) * 1992-12-07 1997-05-20 Basf Aktiengesellschaft Use of hydrolyzed copolymers of N-vinylcarboxamides and monoethylenically unsaturated carboxylic acids in papermaking
US5281307A (en) * 1993-01-13 1994-01-25 Air Products And Chemicals, Inc. Crosslinked vinyl alcohol/vinylamine copolymers for dry end paper addition
US5380403A (en) * 1993-03-22 1995-01-10 Air Products And Chemicals, Inc. Amine functional poly(vinyl alcohol) for improving properties of recycled paper
FI944871L (en) * 1993-10-21 1995-04-22 Nalco Chemical Co Pitch control in paper mill systems
SE9502522D0 (en) * 1995-07-07 1995-07-07 Eka Nobel Ab A process for the production of paper
DE19705992A1 (en) 1997-02-17 1998-08-20 Basf Ag Process for the preparation of polymers containing carbamate units and their use
US6214885B1 (en) 1997-09-08 2001-04-10 Basf Aktiengesellschaft Use of polymers containing β-hydroxyalkylvinylamine units as biocides
US6217709B1 (en) * 1998-11-23 2001-04-17 Hercules Incorporated Cationic starch/cationic galactomannan gum blends as strength and drainage aids
DE10055592A1 (en) * 2000-11-09 2002-05-23 Basf Ag Paper coating composition, used for paper is used in printing, contains N-vinylformamide polymer or copolymer with water-soluble ionic monomer, e.g. (meth)acrylic acid or salt, as cobinder
DE10138631A1 (en) * 2001-08-13 2003-02-27 Basf Ag Process for the production of coated paper with high whiteness
DE10223279A1 (en) * 2002-05-24 2003-12-04 Basf Ag Polymers containing hydrophobically modified vinylamine or ethyleneimine units, processes for their preparation and their use as retention agents
DE10322787A1 (en) * 2003-05-19 2004-12-09 Basf Ag Process for the preparation of polymer powders
JP2005042271A (en) * 2003-07-25 2005-02-17 Seiko Pmc Corp Paper manufacturing method and paper

Also Published As

Publication number Publication date
SE336086B (en) 1971-06-21
BE724708A (en) 1969-05-29
US3597314A (en) 1971-08-03
FR1593856A (en) 1970-06-01
DE1692854A1 (en) 1971-10-21
GB1241853A (en) 1971-08-04

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee