EP0790351A3 - Verfahren zur Papierherstellung mittels Multipolymerrückhaltungs-/Entwässerungshilfsmittel - Google Patents
Verfahren zur Papierherstellung mittels Multipolymerrückhaltungs-/Entwässerungshilfsmittel Download PDFInfo
- Publication number
- EP0790351A3 EP0790351A3 EP97300969A EP97300969A EP0790351A3 EP 0790351 A3 EP0790351 A3 EP 0790351A3 EP 97300969 A EP97300969 A EP 97300969A EP 97300969 A EP97300969 A EP 97300969A EP 0790351 A3 EP0790351 A3 EP 0790351A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- slurry
- papermaking process
- acrylamide
- molecular weight
- group
- Prior art date
- Legal status (The legal status 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 status listed.)
- Withdrawn
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
- 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
- D21H21/06—Paper forming aids
- D21H21/10—Retention agents or drainage improvers
-
- 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
- D21H17/41—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
- 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
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
Landscapes
- Paper (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US60160196A | 1996-02-14 | 1996-02-14 | |
US601601 | 1996-02-14 |
Publications (2)
Publication Number | Publication Date |
---|---|
EP0790351A2 EP0790351A2 (de) | 1997-08-20 |
EP0790351A3 true EP0790351A3 (de) | 1999-05-06 |
Family
ID=24408106
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP97300969A Withdrawn EP0790351A3 (de) | 1996-02-14 | 1997-02-14 | Verfahren zur Papierherstellung mittels Multipolymerrückhaltungs-/Entwässerungshilfsmittel |
Country Status (2)
Country | Link |
---|---|
EP (1) | EP0790351A3 (de) |
DE (1) | DE790351T1 (de) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6939443B2 (en) * | 2002-06-19 | 2005-09-06 | Lanxess Corporation | Anionic functional promoter and charge control agent |
CN101040083B (zh) * | 2004-10-15 | 2010-08-11 | 斯托拉恩索公司 | 纸或纸板的生产方法以及根据该方法生产的纸或纸板 |
US7955473B2 (en) | 2004-12-22 | 2011-06-07 | Akzo Nobel N.V. | Process for the production of paper |
BRPI0608971B8 (pt) * | 2005-05-11 | 2017-03-21 | Stora Enso Ab | processo para a produção de um papel e um papel produzido de acordo com o processo |
US20060254464A1 (en) | 2005-05-16 | 2006-11-16 | Akzo Nobel N.V. | Process for the production of paper |
JP4837032B2 (ja) * | 2005-05-16 | 2011-12-14 | アクゾ ノーベル ナムローゼ フェンノートシャップ | 紙の製造方法 |
EP1969183B1 (de) | 2005-12-30 | 2015-01-07 | Akzo Nobel N.V. | Verfahren zur herstellung von papier |
JP5961619B2 (ja) | 2010-10-29 | 2016-08-02 | バックマン・ラボラトリーズ・インターナショナル・インコーポレーテッドBuckman Laboratories International Incorporated | イオン性架橋ポリマー微粒子を用いて紙を作製する方法及び該方法により作製された製品 |
WO2013081955A1 (en) | 2011-12-01 | 2013-06-06 | Buckman Laboratories International, Inc. | Method and system for producing market pulp and products thereof |
WO2018229345A1 (en) * | 2017-06-16 | 2018-12-20 | Kemira Oyj | Strength additive system and method for manufacturing a web comprising cellulosic fibres |
EP3638845A1 (de) | 2017-06-16 | 2020-04-22 | Kemira Oyj | Festigkeitsadditivsystem und verfahren zur herstellung einer bahn mit zellulosefasern |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5185062A (en) * | 1991-01-25 | 1993-02-09 | Nalco Chemical Company | Papermaking process with improved retention and drainage |
US5266164A (en) * | 1992-11-13 | 1993-11-30 | Nalco Chemical Company | Papermaking process with improved drainage and retention |
-
1997
- 1997-02-14 DE DE1997300969 patent/DE790351T1/de active Pending
- 1997-02-14 EP EP97300969A patent/EP0790351A3/de not_active Withdrawn
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5185062A (en) * | 1991-01-25 | 1993-02-09 | Nalco Chemical Company | Papermaking process with improved retention and drainage |
US5266164A (en) * | 1992-11-13 | 1993-11-30 | Nalco Chemical Company | Papermaking process with improved drainage and retention |
Also Published As
Publication number | Publication date |
---|---|
EP0790351A2 (de) | 1997-08-20 |
DE790351T1 (de) | 1998-01-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
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AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): DE FI GB NL SE |
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TCNL | Nl: translation of patent claims filed | ||
DET | De: translation of patent claims | ||
PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
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AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): DE FI GB NL SE |
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STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
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18D | Application deemed to be withdrawn |
Effective date: 19990901 |