AT280764B - Process for dewatering cellulose fiber suspensions - Google Patents
Process for dewatering cellulose fiber suspensionsInfo
- 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
Links
- 229920003043 Cellulose fiber Polymers 0.000 title 1
- 239000000725 suspension Substances 0.000 title 1
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
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 (26)
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 |
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) |
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) |
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 |
FI944871A (en) * | 1993-10-21 | 1995-04-22 | Nalco Chemical Co | Resin control in paper mill systems |
DE19705992A1 (en) | 1997-02-17 | 1998-08-20 | Basf Ag | Process for the preparation of polymers containing carbamate units and their use |
EP1014785A1 (en) | 1997-09-08 | 2000-07-05 | Basf Aktiengesellschaft | USE OF POLYMERS CONTAINING $g(b)-HYDROXYALKYLVINYLAMINE UNITS AS BIOCIDES |
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 | Method for making paper and paper |
-
1967
- 1967-11-29 DE DE19671692854 patent/DE1692854A1/en active Pending
-
1968
- 1968-11-26 SE SE16058/68A patent/SE336086B/xx unknown
- 1968-11-27 US US779591A patent/US3597314A/en not_active Expired - Lifetime
- 1968-11-27 AT AT1152968A patent/AT280764B/en not_active IP Right Cessation
- 1968-11-29 BE BE724708D patent/BE724708A/xx unknown
- 1968-11-29 GB GB56735/68A patent/GB1241853A/en not_active Expired
- 1968-11-29 FR FR176029A patent/FR1593856A/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1241853A (en) | 1971-08-04 |
FR1593856A (en) | 1970-06-01 |
BE724708A (en) | 1969-05-29 |
SE336086B (en) | 1971-06-21 |
US3597314A (en) | 1971-08-03 |
DE1692854A1 (en) | 1971-10-21 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ELJ | Ceased due to non-payment of the annual fee |