[go: up one dir, main page]

DE69713677D1 - Paper-making process - Google Patents

Paper-making process

Info

Publication number
DE69713677D1
DE69713677D1 DE69713677T DE69713677T DE69713677D1 DE 69713677 D1 DE69713677 D1 DE 69713677D1 DE 69713677 T DE69713677 T DE 69713677T DE 69713677 T DE69713677 T DE 69713677T DE 69713677 D1 DE69713677 D1 DE 69713677D1
Authority
DE
Germany
Prior art keywords
paper
making process
making
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.)
Revoked
Application number
DE69713677T
Other languages
German (de)
Other versions
DE69713677T2 (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.)
ChampionX LLC
Original Assignee
Nalco Chemical Co
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24573387&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=DE69713677(D1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Nalco Chemical Co filed Critical Nalco Chemical Co
Application granted granted Critical
Publication of DE69713677D1 publication Critical patent/DE69713677D1/en
Publication of DE69713677T2 publication Critical patent/DE69713677T2/en
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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
DE1997613677 1996-05-01 1997-04-30 Paper-making process Revoked DE69713677T2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US64167196A 1996-05-01 1996-05-01

Publications (2)

Publication Number Publication Date
DE69713677D1 true DE69713677D1 (en) 2002-08-08
DE69713677T2 DE69713677T2 (en) 2002-10-31

Family

ID=24573387

Family Applications (1)

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

Country Status (9)

Country Link
EP (1) EP0805234B1 (en)
AU (1) AU729008B2 (en)
BR (1) BR9701967A (en)
CA (1) CA2204050C (en)
DE (1) DE69713677T2 (en)
ES (1) ES2176553T3 (en)
ID (1) ID16844A (en)
MY (1) MY123120A (en)
NO (1) NO326449B1 (en)

Families Citing this family (22)

* 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
KR100403840B1 (en) * 1998-04-27 2003-11-01 악조 노벨 엔.브이. A process for the production of paper
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
KR100278510B1 (en) 1998-08-24 2001-03-02 한성욱 Water-soluble polymer dispersion for fine particle retention containing colloidal silica and preparation method thereof
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
US6918995B2 (en) 2000-08-07 2005-07-19 Akzo Nobel N.V. Process for the production of paper
AU2002222352A1 (en) * 2001-12-12 2003-06-23 Green Technology Inc. Use of hydrophillic polymer dispersion containing a colloidal silica or an inorganic flocculant as retention and drainage aids in paper making process
WO2003100169A1 (en) * 2002-05-27 2003-12-04 Green Technology Inc. Process for preparing a dispersion polymer
KR100681327B1 (en) * 2002-10-31 2007-02-15 주식회사 오병 Highly Concentrated Bentonite Liquid Slurry Containing Colloidal Silica and Manufacturing Method Thereof
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
CN1323211C (en) * 2004-06-21 2007-06-27 徐清明 Paper making mineral composite retention aid and preparing process and application thereof
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
US8088250B2 (en) 2008-11-26 2012-01-03 Nalco Company Method of increasing filler content in papermaking
US8172983B2 (en) * 2007-09-12 2012-05-08 Nalco Company Controllable filler prefloculation using a dual polymer system
US8747617B2 (en) 2007-09-12 2014-06-10 Nalco Company Controllable filler prefloculation using a dual polymer system
PT106170A (en) * 2012-02-20 2013-08-20 Fapajal Fabrica De Papel Do Tojal S A PROCESS OF FIXATION OF CALCIUM CARBONATE LOADS IN CREPED LIGHT PAPERS (TISSU) WITHOUT NEGATIVE IMPACT ON PAPER CHARACTERISTICS
CN110636991B (en) 2017-05-16 2023-01-20 凯米拉公司 Process for preparing aqueous solutions of copolymers

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4913775A (en) * 1986-01-29 1990-04-03 Allied Colloids Ltd. Production of paper and paper board
GB8602121D0 (en) * 1986-01-29 1986-03-05 Allied Colloids Ltd Paper & paper board
US5178730A (en) * 1990-06-12 1993-01-12 Delta Chemicals Paper making
SE9504081D0 (en) * 1995-11-15 1995-11-15 Eka Nobel Ab A process for the production of paper

Also Published As

Publication number Publication date
EP0805234A2 (en) 1997-11-05
BR9701967A (en) 1998-09-15
EP0805234B1 (en) 2002-07-03
NO972022L (en) 1997-11-03
CA2204050A1 (en) 1997-11-01
MY123120A (en) 2006-05-31
NO972022D0 (en) 1997-04-30
DE69713677T2 (en) 2002-10-31
ID16844A (en) 1997-11-13
AU729008B2 (en) 2001-01-25
CA2204050C (en) 2006-06-20
MX9703180A (en) 1998-05-31
NO326449B1 (en) 2008-12-08
ES2176553T3 (en) 2002-12-01
AU1915897A (en) 1997-11-06
EP0805234A3 (en) 1999-07-21

Similar Documents

Publication Publication Date Title
FI960397L (en) Papermaking
FI971426A7 (en) Dewatering process
FI954677A7 (en) Papermaking process
DE69713677D1 (en) Paper-making process
ITMI972535A1 (en) SULPHURING MACHINE
FI954676A7 (en) Papermaking process
DE69520558D1 (en) HALOGENING PROCESS
DE69714813D1 (en) forming machine
DE19781630T1 (en) Papermaking process
DE59706793D1 (en) FORM MACHINE
FI953331L (en) Long-nip press
FI953527A7 (en) Long-nip press
DE59705155D1 (en) calender
FI960396L (en) Papermaking
ID17978A (en) MAKING 6-AMINOCAPRONITRIL
DE69507032D1 (en) CHLORHYDRINE PROCESS
DE59705507D1 (en) calender
NO20003079D0 (en) Polymerization-start-up process
NO20003080D0 (en) Polymerization-start-up process
ID16330A (en) MAKING ASETALDEHIDE
DE4493351T1 (en) Papermaking process
ID17636A (en) MAKING 6-AMINOCAPRONITRIL
FI972881A0 (en) pulping
ATA19696A (en) CELLULOSE PRODUCTION
DE59709347D1 (en) dewatering press

Legal Events

Date Code Title Description
8363 Opposition against the patent
8331 Complete revocation