ZA977367B - Amphoteric polyacrylamides as dry strength additives for paper. - Google Patents
Amphoteric polyacrylamides as dry strength additives for paper.Info
- Publication number
- ZA977367B ZA977367B ZA9707367A ZA977367A ZA977367B ZA 977367 B ZA977367 B ZA 977367B ZA 9707367 A ZA9707367 A ZA 9707367A ZA 977367 A ZA977367 A ZA 977367A ZA 977367 B ZA977367 B ZA 977367B
- Authority
- ZA
- South Africa
- Prior art keywords
- paper
- dry strength
- strength additives
- amphoteric polyacrylamides
- polyacrylamides
- Prior art date
Links
- 239000000654 additive Substances 0.000 title 1
- 229920002401 polyacrylamide Polymers 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/52—Amides or imides
- C08F220/54—Amides, e.g. N,N-dimethylacrylamide or N-isopropylacrylamide
- C08F220/56—Acrylamide; Methacrylamide
-
- 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
- D21H21/18—Reinforcing agents
-
- 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
- D21H21/18—Reinforcing agents
- D21H21/20—Wet strength agents
-
- 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
- D21H17/29—Starch 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
- D21H17/37—Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
- D21H17/375—Poly(meth)acrylamide
-
- 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
- D21H17/38—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing crosslinkable groups
-
- 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
- D21H17/55—Polyamides; Polyaminoamides; Polyester-amides
-
- 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
- D21H17/56—Polyamines; Polyimines; Polyester-imides
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Paper (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US69837796A | 1996-08-15 | 1996-08-15 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA977367B true ZA977367B (en) | 1998-02-16 |
Family
ID=24804982
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA9707367A ZA977367B (en) | 1996-08-15 | 1997-08-15 | Amphoteric polyacrylamides as dry strength additives for paper. |
Country Status (4)
| Country | Link |
|---|---|
| AU (1) | AU3913197A (en) |
| ID (1) | ID17876A (en) |
| WO (1) | WO1998006898A1 (en) |
| ZA (1) | ZA977367B (en) |
Families Citing this family (25)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100403840B1 (en) | 1998-04-27 | 2003-11-01 | 악조 노벨 엔.브이. | A process for the production of paper |
| WO2000011046A1 (en) * | 1998-08-19 | 2000-03-02 | Hercules Incorporated | Dialdehyde-modified anionic and amphoteric polyacrylamides for improving strength of paper |
| PE20001258A1 (en) * | 1998-12-07 | 2000-11-08 | Hercules Inc | GLYXALATED POLYACRYLAMIDES AS PAPER STRENGTHENING AGENTS |
| PT1171492E (en) * | 1999-04-06 | 2004-01-30 | Minerals Tech Inc | BIFUNCTIONAL POLYMERS |
| DE19927363A1 (en) * | 1999-06-16 | 2000-12-21 | Cognis Deutschland Gmbh | Use of long-chain fatty ethers |
| EP1180559A1 (en) * | 2000-08-04 | 2002-02-20 | Armstrong World Industries, Inc. | Binder composition for fibrous sheet |
| US6723204B2 (en) * | 2002-04-08 | 2004-04-20 | Hercules Incorporated | Process for increasing the dry strength of paper |
| US8816031B2 (en) | 2006-03-06 | 2014-08-26 | Harima Chemicals, Inc. | Water-soluble polymer and additive for paper manufacture |
| EP1849803A1 (en) * | 2006-04-28 | 2007-10-31 | Harima Chemicals, Inc. | Method for Preparing Water Soluble Polymer and Papermaking Additive |
| CN102459760A (en) | 2009-06-16 | 2012-05-16 | 巴斯夫欧洲公司 | Method of increasing dry strength of paper, paperboard and cardboard |
| US8980056B2 (en) | 2010-11-15 | 2015-03-17 | Kemira Oyj | Composition and process for increasing the dry strength of a paper product |
| PT2723943T (en) * | 2011-06-21 | 2018-11-13 | Basf Se | Method for producing paper, paperboard, and cardboard |
| US8753479B2 (en) * | 2011-06-21 | 2014-06-17 | Basf Se | Production of paper, card and board |
| CN103469687B (en) * | 2012-06-07 | 2015-09-30 | 金东纸业(江苏)股份有限公司 | Dry strength agent and preparation method thereof, applies the slurry of this dry strength agent |
| CN104452463B (en) | 2013-09-12 | 2017-01-04 | 艺康美国股份有限公司 | Papermaking process and compositions |
| CN104452455B (en) * | 2013-09-12 | 2019-04-05 | 艺康美国股份有限公司 | The method that paper making auxiliary agent composition and increase are stayed at paper ash code insurance |
| CN105786052B (en) | 2014-12-16 | 2020-09-08 | 艺康美国股份有限公司 | Online control and reaction method for pH adjustment |
| CN106928400B (en) * | 2015-12-31 | 2020-09-08 | 艺康美国股份有限公司 | Amphoteric polymer and alkenyl succinic anhydride emulsion containing same |
| CN114673025B (en) * | 2016-06-01 | 2023-12-05 | 艺康美国股份有限公司 | High-efficiency strength scheme for papermaking in high-charge-demand systems |
| US11453979B2 (en) | 2018-05-14 | 2022-09-27 | Kemira Oyj | Paper strength improving composition, manufacture thereof and use in paper making |
| AU2019300405A1 (en) * | 2018-07-12 | 2021-01-07 | Kemira Oyj | Method for manufacturing multi-layered fibrous web and multi-layered fibrous web |
| EP4081683B8 (en) * | 2019-12-23 | 2026-02-11 | Kemira Oyj | Composition and its use for use in manufacture of paper, board or the like |
| US12338579B2 (en) | 2020-03-06 | 2025-06-24 | Kemira Oyj | Composition and method for manufacture of paper, board or the like |
| CN113105587B (en) * | 2021-03-12 | 2022-12-06 | 深圳市瑞成科讯实业有限公司 | Papermaking reinforcing agent and preparation method thereof |
| CA3228526A1 (en) | 2021-08-31 | 2023-03-09 | Mingli Wei | Novel composition and method for papermaking |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2884058A (en) * | 1955-05-02 | 1959-04-28 | American Cyanamid Co | Cellulose web of improved dry strength containing a polymer comprising carboxylic groups, amide groups, and quaternary ammonium groups and method for producing same |
| DE3804776A1 (en) * | 1988-02-16 | 1989-08-24 | Schoeller F Jun Gmbh Co Kg | BASE PAPER FOR PHOTOGRAPHIC LAYER |
| JPH0551895A (en) * | 1991-08-12 | 1993-03-02 | Seiko Kagaku Kogyo Co Ltd | Manufacturing method of neutral paper |
-
1997
- 1997-08-08 WO PCT/US1997/014010 patent/WO1998006898A1/en not_active Ceased
- 1997-08-08 AU AU39131/97A patent/AU3913197A/en not_active Abandoned
- 1997-08-14 ID IDP972847A patent/ID17876A/en unknown
- 1997-08-15 ZA ZA9707367A patent/ZA977367B/en unknown
Also Published As
| Publication number | Publication date |
|---|---|
| AU3913197A (en) | 1998-03-06 |
| WO1998006898A1 (en) | 1998-02-19 |
| ID17876A (en) | 1998-02-05 |
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