FI943549A0 - Förbättrat förfarande för produktion av papper - Google Patents
Förbättrat förfarande för produktion av papperInfo
- Publication number
- FI943549A0 FI943549A0 FI943549A FI943549A FI943549A0 FI 943549 A0 FI943549 A0 FI 943549A0 FI 943549 A FI943549 A FI 943549A FI 943549 A FI943549 A FI 943549A FI 943549 A0 FI943549 A0 FI 943549A0
- Authority
- FI
- Finland
- Prior art keywords
- improved procedure
- producing paper
- paper
- procedure
- producing
- 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
- 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
- D21H17/47—Condensation polymers of aldehydes or ketones
- D21H17/48—Condensation polymers of aldehydes or ketones with phenols
-
- 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
- D21H17/53—Polyethers; Polyesters
-
- 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
- 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
- D21H17/69—Water-insoluble compounds, e.g. fillers, pigments modified, e.g. by association with other compositions prior to incorporation in the pulp or paper
-
- 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
- D21H23/02—Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
- D21H23/04—Addition to the pulp; After-treatment of added substances in the pulp
- D21H23/06—Controlling the addition
- D21H23/14—Controlling the addition by selecting point of addition or time of contact between components
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AUPL059092 | 1992-01-29 | ||
PCT/SE1993/000063 WO1993015271A1 (en) | 1992-01-29 | 1993-01-28 | Improved process for production of paper |
Publications (2)
Publication Number | Publication Date |
---|---|
FI943549A0 true FI943549A0 (sv) | 1994-07-28 |
FI943549A FI943549A (sv) | 1994-09-28 |
Family
ID=3775954
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI943549A FI943549A (sv) | 1992-01-29 | 1994-07-28 | Förbättrat förfarande för produktion av papper |
Country Status (4)
Country | Link |
---|---|
US (1) | US5670021A (sv) |
FI (1) | FI943549A (sv) |
NO (1) | NO942808L (sv) |
WO (1) | WO1993015271A1 (sv) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5516405A (en) * | 1993-09-20 | 1996-05-14 | Macmillan Bloedel Limited | Retention aids |
SE509777C2 (sv) * | 1997-07-07 | 1999-03-08 | Kemira Kemi Ab | Sätt att förbättra retentionen vid avvattning av en cellulosafibersuspension genom användning av ett medel, som inbegriper ett fenolformaldehydharts och en polyetylenoxid |
US6033524A (en) * | 1997-11-24 | 2000-03-07 | Nalco Chemical Company | Selective retention of filling components and improved control of sheet properties by enhancing additive pretreatment |
US6099689A (en) * | 1998-02-17 | 2000-08-08 | Nalco Chemical Company | Production of paper and board products with improved retention, drainage and formation |
US5942087A (en) * | 1998-02-17 | 1999-08-24 | Nalco Chemical Company | Starch retention in paper and board production |
GB2339208A (en) * | 1998-06-18 | 2000-01-19 | Clariant Int Ltd | Dry-strength agents for mechanical pulp |
CA2348903A1 (en) | 1998-11-09 | 2000-05-18 | John William Toussant | Food container having substrate impregnated with particulate material |
EP1128751A2 (en) | 1998-11-09 | 2001-09-05 | The Procter & Gamble Company | Food container having cut resistance surface |
AU1243100A (en) | 1998-11-09 | 2000-05-29 | Procter & Gamble Company, The | Food container having external facing with limited binder materials |
NZ513070A (en) | 1999-03-31 | 2003-10-31 | Pulp Paper Res Inst | Retention agent comprising PEO |
PL215499B1 (pl) * | 2001-12-21 | 2013-12-31 | Akzo Nobel Nv | Wodna kompozycja zawierajaca krzemionke, sposób wytwarzania wodnej kompozycji zawierajacej krzemionke i sposób wytwarzania papieru |
US20030136534A1 (en) * | 2001-12-21 | 2003-07-24 | Hans Johansson-Vestin | Aqueous silica-containing composition |
CA2713429A1 (en) * | 2008-01-28 | 2009-08-06 | Hercules Incorporated | Method of modifying starch for increased papermachine retention and drainage performance |
JP6325813B2 (ja) * | 2012-12-27 | 2018-05-16 | 栗田工業株式会社 | ピッチ抑制剤、ピッチ抑制方法、及び脱墨パルプの製造方法 |
US20150041090A1 (en) * | 2013-08-09 | 2015-02-12 | Solenis Technologies, L.P. | Polyethylene oxide treatment for drainage agents and dry strength agents |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
AT317668B (de) * | 1971-07-23 | 1974-09-10 | Roehm Gmbh | Verfahren zur Herstellung verschleifbarer kunstharzgefüllter Papiere |
SE357950B (sv) * | 1972-02-22 | 1973-07-16 | Casco Ab | |
DE2549089C3 (de) * | 1974-11-15 | 1978-12-14 | Sandoz-Patent-Gmbh, 7850 Loerrach | Verfahren zur Verbesserung der Retentions- und Entwässerungswirkung in der Papierherstellung |
US4313790A (en) * | 1980-03-31 | 1982-02-02 | Pulp And Paper Research Institute Of Canada | Additives for increased retention and pitch control in paper manufacture |
DE3241495A1 (de) * | 1982-11-10 | 1984-07-19 | EKA AB, Surte | Bindemittelkomposition |
SE454507B (sv) * | 1986-11-21 | 1988-05-09 | Berol Kemi Ab | Sett att inom pappers-, massa- eller boardindustrin forbettra retention eller rening av cellulosafibersuspensioner resp avloppsvatten |
JP2578629B2 (ja) * | 1988-01-07 | 1997-02-05 | ベロル・チェミィ・アー・ベー | 紙、パルプおよび板紙工業におけるセルロ−ス繊維の懸濁液および排水の保持率および精製を改善するための方法 |
US4927498A (en) * | 1988-01-13 | 1990-05-22 | E. I. Du Pont De Nemours And Company | Retention and drainage aid for papermaking |
US4954220A (en) * | 1988-09-16 | 1990-09-04 | E. I. Du Pont De Nemours And Company | Polysilicate microgels as retention/drainage aids in papermaking |
US5098520A (en) * | 1991-01-25 | 1992-03-24 | Nalco Chemcial Company | Papermaking process with improved retention and drainage |
US5173208A (en) * | 1991-06-17 | 1992-12-22 | Nalco Canada Inc. | Liquid suspension of polyethylene oxide for use in treating paper and pulp wastewater |
-
1993
- 1993-01-28 WO PCT/SE1993/000063 patent/WO1993015271A1/en active Application Filing
- 1993-01-28 US US08/256,858 patent/US5670021A/en not_active Expired - Fee Related
-
1994
- 1994-07-28 NO NO942808A patent/NO942808L/no unknown
- 1994-07-28 FI FI943549A patent/FI943549A/sv unknown
Also Published As
Publication number | Publication date |
---|---|
US5670021A (en) | 1997-09-23 |
FI943549A (sv) | 1994-09-28 |
NO942808D0 (no) | 1994-07-28 |
NO942808L (no) | 1994-09-28 |
WO1993015271A1 (en) | 1993-08-05 |
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