MX9703180A - Proceso para la fabricacion de papel. - Google Patents
Proceso para la fabricacion de papel.Info
- Publication number
- MX9703180A MX9703180A MX9703180A MX9703180A MX9703180A MX 9703180 A MX9703180 A MX 9703180A MX 9703180 A MX9703180 A MX 9703180A MX 9703180 A MX9703180 A MX 9703180A MX 9703180 A MX9703180 A MX 9703180A
- Authority
- MX
- Mexico
- Prior art keywords
- slurry
- quaternary salt
- sheet
- chloride quaternary
- shear stages
- 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
- 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
-
- 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
-
- 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
- D21H17/44—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
- D21H17/675—Oxides, hydroxides or carbonates
-
- 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
Abstract
La invencion reclamada comprende un proceso para fabricar papel que comprende formar una suspension espesa para fabricar papel, celulosica, acuosa, sujetar la suspension espesa a una o más etapas de esfuerzo cortante, adicionar a la suspension espesa un rellenador mineral antes de al menos una de las etapas de esfuerzo cortante, adicionar a la suspension espesa después de la adicion del rellenador mineral y antes de al menos una de las etapas con esfuerzo cortante, una cantidad efectiva de un polímero de dispersion seleccionado del grupo que consiste de copolímeros de acrilamida y sal cuaternaria de cloruro de metilo de acrilato de dimetilaminoetilo (DMAEA.MCQ), sal cuaternaria de cloruro de metilo de metacrilato de dimetilaminoetilo (DMAEM.MCQ), sal cuaternaria de cloruro de bencilo de acrilato de dimetilaminoetilo (DMAEA.BCQ) y sal cuaternaria de cloruro de bencilo de metacrilato de dimetilaminoetilo (DMAEM.BCQ) y cloruro de dialildimetilamonio (DADMAC), se somete a esfuerzo cortante la suspension espesa, adicionar una micropartícula seleccionada del grupo que consiste de sustancias orgánicas tales como copolímeros de ácido poliacrílico, sustancias inorgánicas tales como bentonita y sol de sílice, drenar la suspension espesa para formar una hoja, y secar la hoja para formar un hoja de papel.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US64167196A | 1996-05-01 | 1996-05-01 | |
US641,671 | 1996-05-01 | ||
US641671 | 2000-08-18 |
Publications (2)
Publication Number | Publication Date |
---|---|
MX9703180A true MX9703180A (es) | 1998-05-31 |
MXPA97003180A MXPA97003180A (es) | 1998-10-23 |
Family
ID=
Also Published As
Publication number | Publication date |
---|---|
AU729008B2 (en) | 2001-01-25 |
ES2176553T3 (es) | 2002-12-01 |
CA2204050C (en) | 2006-06-20 |
EP0805234B1 (en) | 2002-07-03 |
NO326449B1 (no) | 2008-12-08 |
NO972022D0 (no) | 1997-04-30 |
AU1915897A (en) | 1997-11-06 |
NO972022L (no) | 1997-11-03 |
ID16844A (id) | 1997-11-13 |
EP0805234A3 (en) | 1999-07-21 |
EP0805234A2 (en) | 1997-11-05 |
CA2204050A1 (en) | 1997-11-01 |
MY123120A (en) | 2006-05-31 |
BR9701967A (pt) | 1998-09-15 |
DE69713677T2 (de) | 2002-10-31 |
DE69713677D1 (de) | 2002-08-08 |
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