CA2069308C - Procede de production de papier - Google Patents
Procede de production de papierInfo
- Publication number
- CA2069308C CA2069308C CA002069308A CA2069308A CA2069308C CA 2069308 C CA2069308 C CA 2069308C CA 002069308 A CA002069308 A CA 002069308A CA 2069308 A CA2069308 A CA 2069308A CA 2069308 C CA2069308 C CA 2069308C
- Authority
- CA
- Canada
- Prior art keywords
- acid
- process according
- silicic acid
- polymeric silicic
- acidification
- 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.)
- Expired - Lifetime
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
- D21H17/21—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
-
- 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
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
- Polarising Elements (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE8903752-7 | 1989-11-09 | ||
SE8903752A SE8903752D0 (sv) | 1989-11-09 | 1989-11-09 | Foerfarande foer framstaellning av papper |
Publications (1)
Publication Number | Publication Date |
---|---|
CA2069308C true CA2069308C (fr) | 1996-01-30 |
Family
ID=20377424
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA002069308A Expired - Lifetime CA2069308C (fr) | 1989-11-09 | 1990-10-24 | Procede de production de papier |
Country Status (10)
Country | Link |
---|---|
EP (1) | EP0500770B1 (fr) |
JP (1) | JPH04505351A (fr) |
AT (1) | ATE94231T1 (fr) |
AU (1) | AU637850B2 (fr) |
CA (1) | CA2069308C (fr) |
DE (1) | DE69003249T2 (fr) |
ES (1) | ES2046040T3 (fr) |
FI (1) | FI100611B (fr) |
SE (1) | SE8903752D0 (fr) |
WO (1) | WO1991007543A1 (fr) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2607219B2 (ja) * | 1991-07-02 | 1997-05-07 | エカ ノーベル アクチェボラーグ | 紙の製造方法 |
JP2521651B2 (ja) * | 1991-07-02 | 1996-08-07 | エカ ノーベル アクチェボラーグ | 紙の製造方法 |
US5695609A (en) * | 1992-01-20 | 1997-12-09 | Kemira Oy | Process for producing paper |
FI920246A0 (fi) * | 1992-01-20 | 1992-01-20 | Kemira Oy | Foerfarande foer tillverkning av papper. |
US5571494A (en) * | 1995-01-20 | 1996-11-05 | J. M. Huber Corporation | Temperature-activated polysilicic acids |
US5859128A (en) * | 1997-10-30 | 1999-01-12 | E. I. Du Pont De Nemours And Company | Modified cationic starch composition for removing particles from aqueous dispersions |
US6033525A (en) * | 1997-10-30 | 2000-03-07 | Moffett; Robert Harvey | Modified cationic starch composition for removing particles from aqueous dispersions |
US5928474A (en) * | 1997-10-30 | 1999-07-27 | E. I. Du Pont De Nemours And Company | Modified starch composition for removing particles from aqueous dispersions |
DE19832241A1 (de) * | 1998-07-17 | 2000-01-27 | Stockhausen Chem Fab Gmbh | Verwendung von modifizierten Stärkeprodukten als Retentionsmittel bei der Papierherstellung |
US6083997A (en) * | 1998-07-28 | 2000-07-04 | Nalco Chemical Company | Preparation of anionic nanocomposites and their use as retention and drainage aids in papermaking |
MXPA02003881A (es) * | 1999-10-19 | 2002-10-23 | Weyerhaeuser Co | Polisacaridos modificados cationicamente. |
US6699363B2 (en) | 2001-11-13 | 2004-03-02 | E. I. Du Pont De Nemours And Company | Modified starch and process therefor |
US7955473B2 (en) | 2004-12-22 | 2011-06-07 | Akzo Nobel N.V. | Process for the production of paper |
US20060254464A1 (en) | 2005-05-16 | 2006-11-16 | Akzo Nobel N.V. | Process for the production of paper |
US8273216B2 (en) | 2005-12-30 | 2012-09-25 | Akzo Nobel N.V. | Process for the production of paper |
KR101318317B1 (ko) | 2005-12-30 | 2013-10-15 | 아크조 노벨 엔.브이. | 종이의 제조 방법 |
CA2687961A1 (fr) * | 2007-05-23 | 2008-11-27 | Akzo Nobel N.V. | Procede de production d'un produit cellulosique |
EP2711347A1 (fr) * | 2012-09-21 | 2014-03-26 | HeidelbergCement AG | Procédé et moyen destinés à préparer des agrégats |
FR2998563B1 (fr) | 2012-11-28 | 2014-12-19 | Roquette Freres | Procede d'epaississement ou de deshydratation de boues |
DE102022103082A1 (de) | 2022-02-09 | 2023-08-10 | Jan Reijnvaan | Palettenblöcke und Paletten |
DE102022103081A1 (de) | 2022-02-09 | 2023-08-10 | Jan Reijnvaan | Paletten |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0663197B2 (ja) * | 1985-11-07 | 1994-08-17 | 三菱製紙株式会社 | 中性紙の製紙方法 |
GB8621680D0 (en) * | 1986-09-09 | 1986-10-15 | Du Pont | Filler compositions |
-
1989
- 1989-11-09 SE SE8903752A patent/SE8903752D0/xx unknown
-
1990
- 1990-10-24 AT AT91900405T patent/ATE94231T1/de not_active IP Right Cessation
- 1990-10-24 AU AU67328/90A patent/AU637850B2/en not_active Expired
- 1990-10-24 WO PCT/SE1990/000688 patent/WO1991007543A1/fr active IP Right Grant
- 1990-10-24 ES ES91900405T patent/ES2046040T3/es not_active Expired - Lifetime
- 1990-10-24 DE DE91900405T patent/DE69003249T2/de not_active Expired - Lifetime
- 1990-10-24 EP EP91900405A patent/EP0500770B1/fr not_active Expired - Lifetime
- 1990-10-24 JP JP2515828A patent/JPH04505351A/ja active Pending
- 1990-10-24 CA CA002069308A patent/CA2069308C/fr not_active Expired - Lifetime
-
1992
- 1992-05-06 FI FI922055A patent/FI100611B/fi active
Also Published As
Publication number | Publication date |
---|---|
FI100611B (fi) | 1998-01-15 |
EP0500770B1 (fr) | 1993-09-08 |
FI922055A0 (fi) | 1992-05-06 |
DE69003249T2 (de) | 1994-03-31 |
AU637850B2 (en) | 1993-06-10 |
DE69003249D1 (de) | 1993-10-14 |
ATE94231T1 (de) | 1993-09-15 |
SE8903752D0 (sv) | 1989-11-09 |
ES2046040T3 (es) | 1994-01-16 |
FI922055A (fi) | 1992-05-06 |
EP0500770A1 (fr) | 1992-09-02 |
WO1991007543A1 (fr) | 1991-05-30 |
JPH04505351A (ja) | 1992-09-17 |
AU6732890A (en) | 1991-06-13 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
EEER | Examination request | ||
MKEX | Expiry |