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
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 (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100403839B1 (en) | 1998-04-27 | 2003-11-01 | 악조 노벨 엔.브이. | A process for the production of paper |
AU5489999A (en) * | 1998-08-19 | 2000-03-14 | 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 |
ZA200105884B (en) * | 2000-08-04 | 2002-05-13 | Armstrong World Ind Inc | Fibrous sheet enhancement. |
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 |
CA2763508C (en) * | 2009-06-16 | 2018-07-17 | Basf Se | Method for increasing the 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 |
PL2723943T3 (en) * | 2011-06-21 | 2019-01-31 | 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 |
CN107447582B (en) * | 2016-06-01 | 2022-04-12 | 艺康美国股份有限公司 | Efficient strength scheme for papermaking in high charge demand systems |
WO2019221692A1 (en) * | 2018-05-14 | 2019-11-21 | Kemira Oyj | Paper strength improving composition, manufacture thereof and use in paper making |
WO2020012074A1 (en) * | 2018-07-12 | 2020-01-16 | Kemira Oyj | Method for manufacturing multi-layered fibrous web and multi-layered fibrous web |
KR20220111279A (en) * | 2019-12-23 | 2022-08-09 | 케미라 오와이제이 | Compositions and uses thereof for use in the manufacture of paper, cardboard, etc. |
WO2021176143A1 (en) * | 2020-03-06 | 2021-09-10 | 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 |
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 | Production of neutral paper |
-
1997
- 1997-08-08 AU AU39131/97A patent/AU3913197A/en not_active Abandoned
- 1997-08-08 WO PCT/US1997/014010 patent/WO1998006898A1/en active Application Filing
- 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 |
ID17876A (en) | 1998-02-05 |
WO1998006898A1 (en) | 1998-02-19 |
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