DE69713677T2 - Paper-making process - Google Patents

Paper-making process

Info

Publication number
DE69713677T2
DE69713677T2 DE1997613677 DE69713677T DE69713677T2 DE 69713677 T2 DE69713677 T2 DE 69713677T2 DE 1997613677 DE1997613677 DE 1997613677 DE 69713677 T DE69713677 T DE 69713677T DE 69713677 T2 DE69713677 T2 DE 69713677T2
Authority
DE
Grant status
Grant
Patent type
Prior art keywords
paper
making process
making
process
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
Application number
DE1997613677
Other languages
German (de)
Other versions
DE69713677D1 (en )
Inventor
Ramasubramanyam Nagarajan
Shing Jane B Wong
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nalco Company LLC
Original Assignee
Nalco Company LLC
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Grant date
Family has litigation

Links

Classifications

    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H23/00Processes or apparatus for adding material to the pulp or to the paper
    • D21H23/02Processes or apparatus for adding material to the pulp or to the paper characterised by the manner in which substances are added
    • D21H23/04Addition to the pulp; After-treatment of added substances in the pulp
    • D21H23/06Controlling the addition
    • D21H23/14Controlling the addition by selecting point of addition or time of contact between components
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H17/00Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20Macromolecular organic compounds
    • D21H17/33Synthetic macromolecular compounds
    • D21H17/34Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/37Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H17/00Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20Macromolecular organic compounds
    • D21H17/33Synthetic macromolecular compounds
    • D21H17/34Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/37Polymers of unsaturated acids or derivatives thereof, e.g. polyacrylates
    • D21H17/375Poly(meth)acrylamide
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H17/00Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/20Macromolecular organic compounds
    • D21H17/33Synthetic macromolecular compounds
    • D21H17/34Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/41Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups
    • D21H17/44Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups cationic
    • D21H17/45Nitrogen-containing groups
    • D21H17/455Nitrogen-containing groups comprising tertiary amine or being at least partially quaternised
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H17/00Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63Inorganic compounds
    • D21H17/67Water-insoluble compounds, e.g. fillers, pigments
    • D21H17/675Oxides, hydroxides or carbonates
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP 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
    • D21H17/00Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
    • D21H17/63Inorganic compounds
    • D21H17/67Water-insoluble compounds, e.g. fillers, pigments
    • D21H17/68Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
DE1997613677 1996-05-01 1997-04-30 Paper-making process Expired - Lifetime DE69713677T2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US64167196 true 1996-05-01 1996-05-01

Publications (1)

Publication Number Publication Date
DE69713677T2 true DE69713677T2 (en) 2002-10-31

Family

ID=24573387

Family Applications (2)

Application Number Title Priority Date Filing Date
DE1997613677 Expired - Lifetime DE69713677T2 (en) 1996-05-01 1997-04-30 Paper-making process
DE1997613677 Revoked DE69713677D1 (en) 1996-05-01 1997-04-30 Paper-making process

Family Applications After (1)

Application Number Title Priority Date Filing Date
DE1997613677 Revoked DE69713677D1 (en) 1996-05-01 1997-04-30 Paper-making process

Country Status (4)

Country Link
EP (1) EP0805234B1 (en)
CA (1) CA2204050C (en)
DE (2) DE69713677T2 (en)
ES (1) ES2176553T3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10307201A1 (en) * 2003-02-20 2004-05-19 Voith Paper Patent Gmbh Fiber suspension from recycled paper, for the production of writing and printing papers, has a feed of bulking agent before the final refining beating stage for improved retention

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6238521B1 (en) 1996-05-01 2001-05-29 Nalco Chemical Company Use of diallyldimethylammonium chloride acrylamide dispersion copolymer in a papermaking process
US6235205B1 (en) 1996-10-03 2001-05-22 Cytec Technology Corp. Aqueous dispersions
US6310124B1 (en) 1996-10-03 2001-10-30 Cytec Technology, Corp. Aqueous dispersions
US6262168B1 (en) 1998-03-11 2001-07-17 Cytec Technology Corp. Aqueous dispersions
US7306700B1 (en) 1998-04-27 2007-12-11 Akzo Nobel Nv Process for the production of paper
EP0953680A1 (en) * 1998-04-27 1999-11-03 Akzo Nobel N.V. A process for the production of paper
JP2002523534A (en) * 1998-08-24 2002-07-30 グリーン テクノロジー アイエヌシー. Colloidal silica-containing hydrophilic polymer dispersion composition used as a retention aid for the fine particles in the papermaking process and a method of manufacturing
US6331229B1 (en) * 1999-09-08 2001-12-18 Nalco Chemical Company Method of increasing retention and drainage in papermaking using high molecular weight water-soluble anionic or monionic dispersion polymers
US6818100B2 (en) 2000-08-07 2004-11-16 Akzo Nobel N.V. Process for sizing paper
CN1323211C (en) * 2004-06-21 2007-06-27 徐清明 Paper making mineral composite retention aid and preparing process and application thereof
US8747617B2 (en) 2007-09-12 2014-06-10 Nalco Company Controllable filler prefloculation using a dual polymer system
US9752283B2 (en) 2007-09-12 2017-09-05 Ecolab Usa Inc. Anionic preflocculation of fillers used in papermaking
US8778140B2 (en) * 2007-09-12 2014-07-15 Nalco Company Preflocculation of fillers used in papermaking
US8172983B2 (en) * 2007-09-12 2012-05-08 Nalco Company Controllable filler prefloculation using a dual polymer system
US8088250B2 (en) 2008-11-26 2012-01-03 Nalco Company Method of increasing filler content in papermaking

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB8602121D0 (en) * 1986-01-29 1986-03-05 Allied Colloids Ltd Paper & paper board
US4913775A (en) * 1986-01-29 1990-04-03 Allied Colloids Ltd. Production of paper and paper board
US5178730A (en) * 1990-06-12 1993-01-12 Delta Chemicals Paper making

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10307201A1 (en) * 2003-02-20 2004-05-19 Voith Paper Patent Gmbh Fiber suspension from recycled paper, for the production of writing and printing papers, has a feed of bulking agent before the final refining beating stage for improved retention

Also Published As

Publication number Publication date Type
EP0805234B1 (en) 2002-07-03 grant
CA2204050A1 (en) 1997-11-01 application
EP0805234A2 (en) 1997-11-05 application
CA2204050C (en) 2006-06-20 grant
ES2176553T3 (en) 2002-12-01 grant
DE69713677D1 (en) 2002-08-08 grant
EP0805234A3 (en) 1999-07-21 application

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