SE7804680L - PROCEDURE FOR PREPARING PAPER WITH IMPROVED DRY STRENGTH - Google Patents
PROCEDURE FOR PREPARING PAPER WITH IMPROVED DRY STRENGTHInfo
- Publication number
- SE7804680L SE7804680L SE7804680A SE7804680A SE7804680L SE 7804680 L SE7804680 L SE 7804680L SE 7804680 A SE7804680 A SE 7804680A SE 7804680 A SE7804680 A SE 7804680A SE 7804680 L SE7804680 L SE 7804680L
- Authority
- SE
- Sweden
- Prior art keywords
- dry strength
- procedure
- improved dry
- preparing paper
- paper
- Prior art date
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
- D21H23/76—Processes or apparatus for adding material to the pulp or to the paper characterised by choice of auxiliary compounds which are added separately from at least one other compound, e.g. to improve the incorporation of the latter or to obtain an enhanced combined effect
- D21H23/765—Addition of all compounds to 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
- D21H17/42—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups anionic
-
- 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
- D21H17/42—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups anionic
- D21H17/43—Carboxyl groups or derivatives thereof
-
- 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
- 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
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/54—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen
-
- 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
- D21H17/63—Inorganic compounds
- D21H17/66—Salts, e.g. alums
-
- 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
- D21H21/14—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 characterised by function or properties in or on the paper
- D21H21/28—Colorants ; Pigments or opacifying agents
Landscapes
- Paper (AREA)
Abstract
Paper having improved dry strength is manufactured from a composition produced by mixing a pulp slurry with a water soluble cationic polymer and then, adding a water soluble anionic polymer to the slurry.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7804680A SE443818B (en) | 1978-04-24 | 1978-04-24 | PROCEDURE FOR MAKING PAPER WITH IMPROVED DRY STRENGTH |
CA302,830A CA1110019A (en) | 1978-04-24 | 1978-05-08 | Process for manufacturing paper having improved dry strength |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7804680A SE443818B (en) | 1978-04-24 | 1978-04-24 | PROCEDURE FOR MAKING PAPER WITH IMPROVED DRY STRENGTH |
CA302,830A CA1110019A (en) | 1978-04-24 | 1978-05-08 | Process for manufacturing paper having improved dry strength |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7804680L true SE7804680L (en) | 1979-10-25 |
SE443818B SE443818B (en) | 1986-03-10 |
Family
ID=25668695
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7804680A SE443818B (en) | 1978-04-24 | 1978-04-24 | PROCEDURE FOR MAKING PAPER WITH IMPROVED DRY STRENGTH |
Country Status (2)
Country | Link |
---|---|
CA (1) | CA1110019A (en) |
SE (1) | SE443818B (en) |
Families Citing this family (19)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3506832A1 (en) * | 1985-02-27 | 1986-08-28 | Basf Ag, 6700 Ludwigshafen | METHOD FOR PRODUCING PAPER WITH HIGH DRY RESISTANCE |
DE3606806C1 (en) * | 1986-03-03 | 1987-06-25 | Schoeller F Jun Gmbh Co Kg | Waterproof photographic paper carrier |
US4795531A (en) * | 1987-09-22 | 1989-01-03 | Nalco Chemical Company | Method for dewatering paper |
EP0337310A1 (en) * | 1988-04-15 | 1989-10-18 | Air Products And Chemicals, Inc. | Poly(vinyl alcohol-vinylamine)copolymers for improved moist compressive strength of paper products |
US5338406A (en) * | 1988-10-03 | 1994-08-16 | Hercules Incorporated | Dry strength additive for paper |
US5185062A (en) * | 1991-01-25 | 1993-02-09 | Nalco Chemical Company | Papermaking process with improved retention and drainage |
US5098520A (en) * | 1991-01-25 | 1992-03-24 | Nalco Chemcial Company | Papermaking process with improved retention and drainage |
DE4105919A1 (en) * | 1991-02-26 | 1992-08-27 | Basf Ag | AQUEOUS PENDINGS OF FINE-PARTIC FILLERS AND THEIR USE FOR THE PRODUCTION OF FUEL-CONTAINING PAPER |
WO1992019810A1 (en) * | 1991-05-03 | 1992-11-12 | Henkel Corporation | Wet strength resin composition |
US5338407A (en) * | 1991-12-23 | 1994-08-16 | Hercules Incorporated | Enhancement of paper dry strength by anionic and cationic guar combination |
DE4306608A1 (en) * | 1993-03-03 | 1994-11-24 | Basf Ag | Aqueous pigment slurries, processes for their preparation and their use in the production of filler-containing paper |
FR2706496B1 (en) * | 1993-06-09 | 1996-01-05 | Ceca Sa | New non-polluting process to increase the wet resistance of the paper. |
US6228217B1 (en) | 1995-01-13 | 2001-05-08 | Hercules Incorporated | Strength of paper made from pulp containing surface active, carboxyl compounds |
US6294645B1 (en) * | 1997-07-25 | 2001-09-25 | Hercules Incorporated | Dry-strength system |
US6755938B2 (en) * | 2001-08-20 | 2004-06-29 | Armstrong World Industries, Inc. | Fibrous sheet binders |
DE102004056551A1 (en) | 2004-11-23 | 2006-05-24 | Basf Ag | Process for the production of paper, cardboard and cardboard with high dry strength |
JP5156650B2 (en) | 2006-03-16 | 2013-03-06 | ビーエーエスエフ ソシエタス・ヨーロピア | Method for producing paper, board and cardboard with high dry strength |
PT2288750E (en) | 2008-05-15 | 2012-09-26 | Basf Se | Method for producing paper, paperboard and cardboard with a high dry strength |
CN102124161B (en) | 2008-08-18 | 2014-09-10 | 巴斯夫欧洲公司 | Method for increasing the dry strength of paper, paperboard and cardboard |
-
1978
- 1978-04-24 SE SE7804680A patent/SE443818B/en not_active IP Right Cessation
- 1978-05-08 CA CA302,830A patent/CA1110019A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
CA1110019A (en) | 1981-10-06 |
SE443818B (en) | 1986-03-10 |
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Legal Events
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NUG | Patent has lapsed |
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