ES2161893T5 - Fabricacion de papel. - Google Patents

Fabricacion de papel. Download PDF

Info

Publication number
ES2161893T5
ES2161893T5 ES95921014T ES95921014T ES2161893T5 ES 2161893 T5 ES2161893 T5 ES 2161893T5 ES 95921014 T ES95921014 T ES 95921014T ES 95921014 T ES95921014 T ES 95921014T ES 2161893 T5 ES2161893 T5 ES 2161893T5
Authority
ES
Spain
Prior art keywords
polymer
paste
thick
cationic
added
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
ES95921014T
Other languages
English (en)
Spanish (es)
Other versions
ES2161893T3 (es
Inventor
Paul Kenneth Cutts
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.)
Ciba Specialty Chemicals Water Treatments Ltd
Original Assignee
Ciba Specialty Chemicals Water Treatments Ltd
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=10755980&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ES2161893(T5) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Ciba Specialty Chemicals Water Treatments Ltd filed Critical Ciba Specialty Chemicals Water Treatments Ltd
Application granted granted Critical
Publication of ES2161893T3 publication Critical patent/ES2161893T3/es
Publication of ES2161893T5 publication Critical patent/ES2161893T5/es
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • D21H23/76—Processes or apparatus for adding material to the pulp or to the paper characterised by choice of auxiliary compounds which are added separately from at least one other compound, e.g. to improve the incorporation of the latter or to obtain an enhanced combined effect
    • D21H23/765—Addition of all compounds to the pulp
    • 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
    • D21H17/42—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups anionic
    • 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
    • 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)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)
  • Polarising Elements (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
ES95921014T 1994-06-01 1995-06-01 Fabricacion de papel. Expired - Lifetime ES2161893T5 (es)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9410920A GB9410920D0 (en) 1994-06-01 1994-06-01 Manufacture of paper
GB9410920 1994-06-01

Publications (2)

Publication Number Publication Date
ES2161893T3 ES2161893T3 (es) 2001-12-16
ES2161893T5 true ES2161893T5 (es) 2008-03-01

Family

ID=10755980

Family Applications (2)

Application Number Title Priority Date Filing Date
ES95921014T Expired - Lifetime ES2161893T5 (es) 1994-06-01 1995-06-01 Fabricacion de papel.
ES00115209T Expired - Lifetime ES2188463T3 (es) 1994-06-01 1995-06-01 Fabricacion de papel.

Family Applications After (1)

Application Number Title Priority Date Filing Date
ES00115209T Expired - Lifetime ES2188463T3 (es) 1994-06-01 1995-06-01 Fabricacion de papel.

Country Status (22)

Country Link
US (1) US5676796A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
EP (2) EP0711371B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (1) JP3696243B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
KR (1) KR100386407B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AT (2) ATE204937T1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
AU (1) AU704904B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
BR (1) BR9506247A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA2168092C (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (2) DE69522410T8 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DK (2) DK0711371T3 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ES (2) ES2161893T5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
FI (1) FI121314B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB9410920D0 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IL (1) IL113972A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IN (1) IN190290B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
MX (1) MX9600431A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NO (1) NO323485B1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
NZ (1) NZ287497A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
PT (1) PT711371E (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
TW (1) TW275655B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
WO (1) WO1995033097A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
ZA (1) ZA954454B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Families Citing this family (59)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5827398A (en) * 1996-02-13 1998-10-27 Allied Colloids Limited Production of filled paper
US6113741A (en) * 1996-12-06 2000-09-05 Eka Chemicals Ab Process for the production of paper
WO1998052877A1 (en) 1997-05-19 1998-11-26 Sortwell & Co. Method of water treatment using zeolite crystalloid coagulants
US5900116A (en) 1997-05-19 1999-05-04 Sortwell & Co. Method of making paper
WO1998056716A1 (en) * 1997-06-09 1998-12-17 Akzo Nobel N.V. Polysilicate microgels and silica-based materials
US5989392A (en) * 1997-09-10 1999-11-23 Nalco Chemical Company Method of using polyammonium quaternary for controlling anionic trash and pitch deposition in pulp containing broke
US6474354B2 (en) 1997-09-18 2002-11-05 Alberta Research Council Inc. On-line sensor for colloidal substances
US5942087A (en) * 1998-02-17 1999-08-24 Nalco Chemical Company Starch retention in paper and board production
FR2779452B1 (fr) † 1998-06-04 2000-08-11 Snf Sa Procede de fabrication de papier et carton et nouveaux agents de retention et d'egouttage correspondants, et papiers et cartons ainsi obtenus
FR2779752B1 (fr) * 1998-06-12 2000-08-11 Snf Sa Procede de fabrication de papier et carton et nouveaux agents de retention correspondants, et papiers et cartons ainsi obtenus
TR200000382T1 (tr) 1998-06-12 2000-11-21 Fort James Corporation Yüksek bir ikincil iç boşluk hacmine sahip bir kağıt ağı yapma yöntemi ve bu işlem ile yapılan ürün
US6719881B1 (en) * 1998-09-22 2004-04-13 Charles R. Hunter Acid colloid in a microparticle system used in papermaking
BR9907290A (pt) * 1998-09-22 2000-10-03 Calgon Corp Sistema de micropartìculas usado como um auxiliar de retenção e drenagem em um suprimento de papel, produto de papel, e processo para produzir o mesmo.
KR20010075219A (ko) * 1998-09-22 2001-08-09 추후보정 제지 공정에 사용되는 미립자 시스템 중의 산성 콜로이드
WO2000034581A1 (en) * 1998-12-10 2000-06-15 CALGON CORPORATION a corporation of the State of Delaware Polyampholyte coagulant in the papermaking process
US6103065A (en) * 1999-03-30 2000-08-15 Basf Corporation Method for reducing the polymer and bentonite requirement in papermaking
TW483970B (en) * 1999-11-08 2002-04-21 Ciba Spec Chem Water Treat Ltd A process for making paper and paperboard
MY140287A (en) * 2000-10-16 2009-12-31 Ciba Spec Chem Water Treat Ltd Manufacture of paper and paperboard
GB0115411D0 (en) * 2001-06-25 2001-08-15 Ciba Spec Chem Water Treat Ltd Manufacture of paper and paper board
KR100449000B1 (ko) * 2001-12-31 2004-09-16 한국조폐공사 습강지의 제조방법
DE10236252B4 (de) * 2002-08-07 2005-06-30 Basf Ag Verfahren zur Herstellung von Papier, Pappe und Karton
DE20220979U1 (de) 2002-08-07 2004-10-14 Basf Ag Papierprodukt
JP4179913B2 (ja) * 2003-03-31 2008-11-12 ソマール株式会社 紙の製造方法
DE10346750A1 (de) * 2003-10-06 2005-04-21 Basf Ag Verfahren zur Herstellung von Papier, Pappe und Karton
DE102004013007A1 (de) * 2004-03-16 2005-10-06 Basf Ag Verfahren zur Herstellung von Papier, Pappe und Karton
FR2869626A3 (fr) 2004-04-29 2005-11-04 Snf Sas Soc Par Actions Simpli Procede de fabrication de papier et carton, nouveaux agents de retention et d'egouttage correspondants, et papiers et cartons ainsi obtenus
FR2869625B1 (fr) * 2004-04-29 2007-09-21 Snf Sas Soc Par Actions Simpli Procede de fabrication de papier et carton, nouveaux agents de retention et d'egouttage correspondants, et papiers et cartons ainsi obtenus
DE102004044379B4 (de) 2004-09-10 2008-01-10 Basf Ag Verfahren zur Herstellung von Papier, Pappe und Karton und Verwendung einer Retentionsmittelkombination
US7955473B2 (en) 2004-12-22 2011-06-07 Akzo Nobel N.V. Process for the production of paper
WO2006068576A1 (en) * 2004-12-22 2006-06-29 Akzo Nobel N.V. A process for the production of paper
DE102004063005A1 (de) * 2004-12-22 2006-07-13 Basf Ag Verfahren zur Herstellung von Papier, Pappe und Karton
US20060142431A1 (en) * 2004-12-29 2006-06-29 Sutman Frank J Retention and drainage in the manufacture of paper
US8308902B2 (en) 2004-12-29 2012-11-13 Hercules Incorporated Retention and drainage in the manufacture of paper
US20060137843A1 (en) * 2004-12-29 2006-06-29 Sutman Frank J Retention and drainage in the manufacture of paper
US20060142430A1 (en) * 2004-12-29 2006-06-29 Harrington John C Retention and drainage in the manufacture of paper
US20060142432A1 (en) * 2004-12-29 2006-06-29 Harrington John C Retention and drainage in the manufacture of paper
US20060142429A1 (en) * 2004-12-29 2006-06-29 Gelman Robert A Retention and drainage in the manufacture of paper
US20060254464A1 (en) 2005-05-16 2006-11-16 Akzo Nobel N.V. Process for the production of paper
US20060289139A1 (en) * 2005-06-24 2006-12-28 Fushan Zhang Retention and drainage in the manufacture of paper
US20070131372A1 (en) * 2005-12-09 2007-06-14 Plouff Michael T Phyllosilicate Slurry For Papermaking
CA2635661C (en) 2005-12-30 2015-01-13 Akzo Nobel N.V. A process for the production of paper
US8273216B2 (en) 2005-12-30 2012-09-25 Akzo Nobel N.V. Process for the production of paper
WO2007121981A1 (en) * 2006-04-24 2007-11-01 Ciba Holding Inc. Cationic polysaccharide, its preparation and use
FI119481B (fi) * 2006-09-05 2008-11-28 M Real Oyj Kationisilla polyelektrolyyteillä modifioidut selluloosahiukkaset, menetelmä niiden valmistamiseksi sekä käyttö paperin ja kartongin valmistuksessa
WO2008031728A1 (en) * 2006-09-15 2008-03-20 Ciba Holding Inc. Process of manufacturing paper
DE102008000811A1 (de) 2007-03-29 2008-10-09 Basf Se Verfahren zur Herstellung von Papier
FI122734B (fi) 2007-05-21 2012-06-15 Kemira Oyj Prosessikemikaali käytettäväksi paperin tai kartongin valmistuksessa
BRPI0914045A2 (pt) * 2008-10-06 2015-11-03 Union Carbide Chem Plastic método para transferir um grupo hidroxialquila de um composto alcoxilado para um composto nucleofílico, método para transalcoxilar um composto alcoxilado, método para transalcoxilar um composto de alcanolamina e método para transoxilar um composto de alcanolamina
GB0821527D0 (en) * 2008-11-26 2008-12-31 Ciba Holding Inc Aqueous polysilicate composition, its preparation and its use in papermaking
WO2011156487A1 (en) * 2010-06-11 2011-12-15 Luzena America, Inc. Method for contaminant removal in paper production
CA2803904C (en) 2010-07-26 2014-01-28 Sortwell & Co. Method for dispersing and aggregating components of mineral slurries and high-molecular weight multivalent anionic polymers for clay aggregation
MX2013001782A (es) 2010-08-25 2013-04-03 Ashland Licensing & Intellectu Metodo para incrementar las ventajas del almidon en material celulosico convertido en pulpa en la produccion de papel y carton.
US8721896B2 (en) 2012-01-25 2014-05-13 Sortwell & Co. Method for dispersing and aggregating components of mineral slurries and low molecular weight multivalent polymers for mineral aggregation
CN104093902B (zh) * 2012-02-01 2017-09-08 巴斯夫欧洲公司 纸和纸板的制造方法
FI124202B (en) * 2012-02-22 2014-04-30 Kemira Oyj A method for improving the process of making paper or paperboard using recycled fibrous material
US10113270B2 (en) 2013-01-11 2018-10-30 Basf Se Process for the manufacture of paper and paperboard
US8858759B1 (en) * 2013-07-10 2014-10-14 Ecolab Usa Inc. Enhancement of sheet dewatering using soy flour or soy protein
US10000393B2 (en) 2015-01-14 2018-06-19 Ecolab Usa Inc. Enhancement of dewatering using soy flour or soy protein
JP6257700B2 (ja) * 2016-05-30 2018-01-10 ハリマ化成株式会社 ピッチコントロール剤およびピッチコントロール方法

Family Cites Families (17)

* 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
EP0335575B2 (en) * 1988-03-28 2000-08-23 Ciba Specialty Chemicals Water Treatments Limited Production of paper and paper board
US5292404A (en) * 1989-02-18 1994-03-08 Chemische Fabrik Stockhausen Gmbh Process for trash removal or pitch-like resin control in the paper manufacture
CA2020207C (en) * 1990-06-29 1996-06-25 Jack A. Rattee Bonded paper pigments
US5185062A (en) * 1991-01-25 1993-02-09 Nalco Chemical Company Papermaking process with improved retention and drainage
US5098520A (en) * 1991-01-25 1992-03-24 Nalco Chemcial Company Papermaking process with improved retention and drainage
US5126014A (en) * 1991-07-16 1992-06-30 Nalco Chemical Company Retention and drainage aid for alkaline fine papermaking process
JPH0657685A (ja) * 1991-08-28 1994-03-01 Arakawa Chem Ind Co Ltd 紙の抄造法
GB9127173D0 (en) * 1991-12-21 1992-02-19 Vinings Ind Inc Method for controlling pitch
US5368692A (en) * 1992-01-22 1994-11-29 Vinings Industries Inc. Method for controlling pitch
US5240561A (en) * 1992-02-10 1993-08-31 Industrial Progress, Inc. Acid-to-alkaline papermaking process
FR2692292B1 (fr) * 1992-06-11 1994-12-02 Snf Sa Procédé de fabrication d'un papier ou d'un carton à rétention améliorée.
ES2101035T3 (es) * 1992-07-02 1997-07-01 Ecc Int Ltd Procedimiento para el control de depositos resinosos en la fabricacion de papel.
US5256252A (en) * 1992-07-15 1993-10-26 Nalco Chemical Company Method for controlling pitch deposits using lipase and cationic polymer
CA2102742A1 (en) * 1992-11-10 1994-05-11 Kevin S. Dell Use of dadmac/acrylamide copolymer on newsprint machines
US5266164A (en) * 1992-11-13 1993-11-30 Nalco Chemical Company Papermaking process with improved drainage and retention
GB9301451D0 (en) * 1993-01-26 1993-03-17 Allied Colloids Ltd Production of filled paper

Also Published As

Publication number Publication date
DE69522410T8 (de) 2008-06-26
IL113972A (en) 1999-10-28
DE69529306T2 (de) 2003-10-16
NO323485B1 (no) 2007-05-21
WO1995033097A1 (en) 1995-12-07
FI960397A0 (fi) 1996-01-29
MX9600431A (es) 1998-11-30
ATE230456T1 (de) 2003-01-15
NZ287497A (en) 1998-05-27
US5676796A (en) 1997-10-14
CA2168092C (en) 2007-10-02
GB9410920D0 (en) 1994-07-20
CA2168092A1 (en) 1995-12-07
JP3696243B2 (ja) 2005-09-14
FI121314B (fi) 2010-09-30
FI960397L (fi) 1996-03-25
KR100386407B1 (ko) 2004-08-16
NO960415D0 (no) 1996-01-31
DK1039026T3 (da) 2003-04-22
TW275655B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1996-05-11
NO960415L (no) 1996-03-25
DK0711371T3 (da) 2001-12-10
ATE204937T1 (de) 2001-09-15
EP0711371B2 (en) 2007-08-22
ES2188463T3 (es) 2003-07-01
ES2161893T3 (es) 2001-12-16
AU704904B2 (en) 1999-05-06
JPH09503034A (ja) 1997-03-25
EP1039026B1 (en) 2003-01-02
EP0711371A1 (en) 1996-05-15
BR9506247A (pt) 1996-04-23
PT711371E (pt) 2002-01-30
DE69529306D1 (de) 2003-02-06
AU2622895A (en) 1995-12-21
EP1039026A1 (en) 2000-09-27
DE69522410T3 (de) 2008-03-06
IL113972A0 (en) 1995-10-31
DE69522410D1 (de) 2001-10-04
IN190290B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 2003-07-12
DE69522410T2 (de) 2002-05-29
EP0711371B1 (en) 2001-08-29
ZA954454B (en) 1996-05-31

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