NO175160C - Fremgangsmåte for avvanning av papir - Google Patents

Fremgangsmåte for avvanning av papir

Info

Publication number
NO175160C
NO175160C NO884187A NO884187A NO175160C NO 175160 C NO175160 C NO 175160C NO 884187 A NO884187 A NO 884187A NO 884187 A NO884187 A NO 884187A NO 175160 C NO175160 C NO 175160C
Authority
NO
Norway
Prior art keywords
procedure
dewatering paper
dewatering
paper
Prior art date
Application number
NO884187A
Other languages
English (en)
Other versions
NO175160B (no
NO884187L (no
NO884187D0 (no
Inventor
Samuel C Sofia
Kerrie A Johnson
Marla S Crill
Martin J Roop
Steven R Gotberg
Anthony S Nigrelli
Laurence S Hutchinson
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=22275714&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=NO175160(C) "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
Publication of NO884187D0 publication Critical patent/NO884187D0/no
Publication of NO884187L publication Critical patent/NO884187L/no
Publication of NO175160B publication Critical patent/NO175160B/no
Publication of NO175160C publication Critical patent/NO175160C/no

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
    • 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
    • D21H17/45—Nitrogen-containing groups
    • 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
    • D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • D21H17/54—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen
    • 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
NO884187A 1987-09-22 1988-09-21 Fremgangsmåte for avvanning av papir NO175160C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/099,585 US4795531A (en) 1987-09-22 1987-09-22 Method for dewatering paper

Publications (4)

Publication Number Publication Date
NO884187D0 NO884187D0 (no) 1988-09-21
NO884187L NO884187L (no) 1989-03-28
NO175160B NO175160B (no) 1994-05-30
NO175160C true NO175160C (no) 1994-09-07

Family

ID=22275714

Family Applications (1)

Application Number Title Priority Date Filing Date
NO884187A NO175160C (no) 1987-09-22 1988-09-21 Fremgangsmåte for avvanning av papir

Country Status (11)

Country Link
US (1) US4795531A (no)
EP (1) EP0308752B1 (no)
JP (1) JP2922907B2 (no)
AU (1) AU600216B2 (no)
BR (1) BR8804878A (no)
CA (1) CA1321046C (no)
DE (2) DE308752T1 (no)
ES (1) ES2010968T3 (no)
FI (1) FI96337B (no)
NO (1) NO175160C (no)
NZ (1) NZ226240A (no)

Families Citing this family (80)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4684440A (en) * 1985-12-09 1987-08-04 Paper Chemistry Laboratory, Inc. Method for manufacturing paper products
SE8701252D0 (sv) * 1987-03-03 1987-03-25 Eka Nobel Ab Sett vid framstellning av papper
ES2053980T5 (es) * 1988-03-28 2000-12-16 Ciba Spec Chem Water Treat Ltd Fabricacion de papel y carton.
SE467627B (sv) * 1988-09-01 1992-08-17 Eka Nobel Ab Saett vid framstaellning av papper
US4954220A (en) * 1988-09-16 1990-09-04 E. I. Du Pont De Nemours And Company Polysilicate microgels as retention/drainage aids in papermaking
DE68906623T2 (de) * 1988-09-16 1993-11-11 Du Pont Polysilikatmikrogele als Rückhaltungs-/Entwässerungshilfsmittel bei der Papierherstellung.
US5131982A (en) * 1990-02-26 1992-07-21 Nalco Chemical Company Use of dadmac containing polymers for coated broke treatment
FR2672315B1 (fr) * 1991-01-31 1996-06-07 Hoechst France Nouveau procede de raffinage de la pate a papier.
US5178770A (en) * 1991-07-12 1993-01-12 Nalco Canada Inc. Method of treating bctmp/ctmp wastewater
US5126014A (en) * 1991-07-16 1992-06-30 Nalco Chemical Company Retention and drainage aid for alkaline fine papermaking process
US5169497A (en) * 1991-10-07 1992-12-08 Nalco Chemical Company Application of enzymes and flocculants for enhancing the freeness of paper making pulp
GB9301451D0 (en) * 1993-01-26 1993-03-17 Allied Colloids Ltd Production of filled paper
DE4302293A1 (de) * 1993-01-28 1994-08-04 Degussa Füllstoff enthaltendes Papier
GB9313956D0 (en) * 1993-07-06 1993-08-18 Allied Colloids Ltd Production of paper
US5484834A (en) * 1993-11-04 1996-01-16 Nalco Canada Inc. Liquid slurry of bentonite
DE4436317C2 (de) * 1994-10-11 1998-10-29 Nalco Chemical Co Verfahren zur Verbesserung der Retention von Mineral-Füllstoffen und Cellulosefasern auf einem Cellulose-Faserbogen
US5810971A (en) * 1995-05-17 1998-09-22 Nalco Canada, Inc. Liquid slurry of bentonite
US6193844B1 (en) 1995-06-07 2001-02-27 Mclaughlin John R. Method for making paper using microparticles
US5968316A (en) * 1995-06-07 1999-10-19 Mclauglin; John R. Method of making paper using microparticles
SE9502522D0 (sv) * 1995-07-07 1995-07-07 Eka Nobel Ab A process for the production of paper
US5595630A (en) * 1995-08-31 1997-01-21 E. I. Du Pont De Nemours And Company Process for the manufacture of paper
US5620629A (en) * 1995-09-28 1997-04-15 Nalco Chemical Company Colloidal silica/polyelectrolyte blends for natural water clarification
US5840158A (en) * 1995-09-28 1998-11-24 Nalco Chemical Company Colloidal silica/polyelectrolyte blends for pulp and paper applications
GB9603909D0 (en) 1996-02-23 1996-04-24 Allied Colloids Ltd Production of paper
US6059930A (en) * 1996-09-24 2000-05-09 Nalco Chemical Company Papermaking process utilizing hydrophilic dispersion polymers of dimethylaminoethyl acrylate methyl chloride quaternary and acrylamide as retention and drainage aids
ID18321A (id) * 1996-09-24 1998-03-26 Nalco Chemical Co Polimer dispersi hidrofolik untuk beberapa aplikasi kertas
GB9624832D0 (en) * 1996-11-28 1997-01-15 Allied Colloids Ltd Production of paper and paper board
US6113741A (en) * 1996-12-06 2000-09-05 Eka Chemicals Ab Process for the production of paper
DE19654390A1 (de) * 1996-12-27 1998-07-02 Basf Ag Verfahren zur Herstellung von Papier
US5900116A (en) 1997-05-19 1999-05-04 Sortwell & Co. Method of making paper
KR20010030796A (ko) 1997-09-30 2001-04-16 로날드 제이. 알레인, 지이 엠 브랜논, 더블유 이 패리 콜로이드 붕규산염 및 제지에서 이의 사용 방법
CO5070714A1 (es) 1998-03-06 2001-08-28 Nalco Chemical Co Proceso para la preparacion de silice coloidal estable
US7306700B1 (en) * 1998-04-27 2007-12-11 Akzo Nobel Nv Process for the production of paper
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
US6168686B1 (en) 1998-08-19 2001-01-02 Betzdearborn, Inc. Papermaking aid
ID25782A (id) * 1998-09-22 2000-11-02 Calgon Corp Campuran koloid asam silika dalam sistem mikropartikel yang digunakan dalam pembuatan kertas
US6719881B1 (en) * 1998-09-22 2004-04-13 Charles R. Hunter Acid colloid in a microparticle system used in papermaking
JP2002526681A (ja) * 1998-09-22 2002-08-20 カルゴン コーポレイション 製紙に使用される微細粒子系における酸性コロイド
KR20000048167A (ko) * 1998-12-24 2000-07-25 미우라 유이찌, 쓰지 가오루 양이온성 수지 변성 실리카 분산액 및 그 제조 방법
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
TW550325B (en) 1999-11-08 2003-09-01 Ciba Spec Chem Water Treat Ltd Manufacture of paper and paperboard
TW524910B (en) 1999-11-08 2003-03-21 Ciba Spec Chem Water Treat Ltd Manufacture of paper and paperboard
TW527457B (en) 1999-11-08 2003-04-11 Ciba Spec Chem Water Treat Ltd Manufacture of paper and paperboard
TW483970B (en) 1999-11-08 2002-04-21 Ciba Spec Chem Water Treat Ltd A process for making paper and paperboard
US6315866B1 (en) * 2000-02-29 2001-11-13 Nalco Chemical Company Method of increasing the dry strength of paper products using cationic dispersion polymers
US20020166648A1 (en) * 2000-08-07 2002-11-14 Sten Frolich Process for manufacturing paper
US6818100B2 (en) * 2000-08-07 2004-11-16 Akzo Nobel N.V. Process for sizing paper
EP1319105A1 (en) 2000-09-20 2003-06-18 Akzo Nobel N.V. A process for the production of paper
MY140287A (en) * 2000-10-16 2009-12-31 Ciba Spec Chem Water Treat Ltd Manufacture of paper and paperboard
JP2005513300A (ja) * 2001-12-21 2005-05-12 アクゾ ノーベル エヌ．ブイ． 水性シリカ含有組成物及び紙の製造方法
ZA200508659B (en) * 2003-05-09 2007-03-28 Akzo Nobel Nv A process for the production of paper
US20060000570A1 (en) * 2004-07-02 2006-01-05 Zhiqiang Song Amphoteric cationic polymers for controlling deposition of pitch and stickies in papermaking
US7473334B2 (en) * 2004-10-15 2009-01-06 Nalco Company Method of preparing modified diallyl-N,N-disubstituted ammonium halide polymers
US20060084771A1 (en) * 2004-10-15 2006-04-20 Wong Shing Jane B Method of preparing modified diallyl-N,N-disubstituted ammonium halide polymers
FR2879631B1 (fr) * 2004-12-16 2007-02-23 Snf Sas Soc Par Actions Simpli Procede pour la fabrication de papier
US7955473B2 (en) * 2004-12-22 2011-06-07 Akzo Nobel N.V. Process for the production of paper
MX2007006724A (es) * 2004-12-22 2007-07-25 Akzo Nobel Nv Un proceso para la produccion de papel.
US20060254464A1 (en) 2005-05-16 2006-11-16 Akzo Nobel N.V. Process for the production of paper
KR101242490B1 (ko) 2005-12-30 2013-03-12 아크조 노벨 엔.브이. 종이의 제조 방법
US8273216B2 (en) * 2005-12-30 2012-09-25 Akzo Nobel N.V. Process for the production of paper
US9017649B2 (en) * 2006-03-27 2015-04-28 Nalco Company Method of stabilizing silica-containing anionic microparticles in hard water
EP2966048A1 (en) 2008-10-29 2016-01-13 E. I. du Pont de Nemours and Company Treatment of tailings streams
US20100311846A1 (en) * 2009-06-08 2010-12-09 Matthew Bendiner Methods for controlling water amount in a polymer composition or substrate
US9150442B2 (en) 2010-07-26 2015-10-06 Sortwell & Co. Method for dispersing and aggregating components of mineral slurries and high-molecular weight multivalent polymers for clay aggregation
FI122548B (fi) 2010-09-17 2012-03-15 Upm Kymmene Corp Menetelmä vedenpoiston parantamiseksi
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
CN104145060B (zh) * 2012-03-01 2017-02-22 巴斯夫欧洲公司 生产纸和纸板的方法
CA2835677C (en) 2012-12-19 2017-01-17 E. I. Du Pont De Nemours And Company Improved bitumen extraction process
US10329169B2 (en) 2013-02-14 2019-06-25 Baker Hughes, A Ge Company, Llc Colloidal silica addition to promote the separation of oil from water
US9856159B2 (en) 2013-04-12 2018-01-02 Psmg, Llc Polymer blends for flocculation
WO2014176188A1 (en) 2013-04-23 2014-10-30 E. I. Du Pont De Nemours And Company Process for treating and recycling hydraulic fracturing fluid
US9714342B2 (en) 2013-08-22 2017-07-25 Psmg, Llc Particle suspensions of flocculating polymer powders
US10011717B2 (en) 2013-11-27 2018-07-03 Psmg, Llc Particle suspensions of flocculating polymer powders and powder flocculant polymer blends
CN104947499B (zh) 2013-12-18 2018-01-19 艺康美国股份有限公司 硅溶胶、制备其的设备和方法和其在造纸中的应用
US10280565B2 (en) 2016-02-26 2019-05-07 Ecolab Usa Inc. Drainage management in multi-ply papermaking
CN109689970B (zh) 2016-06-10 2022-01-25 艺康美国股份有限公司 用作造纸干燥强度剂的低分子量干燥粉末
US10486785B2 (en) * 2016-10-17 2019-11-26 General Electric Company Propeller assembly and method of assembling
US10703452B2 (en) * 2016-10-17 2020-07-07 General Electric Company Apparatus and system for propeller blade aft retention
EP3662108A1 (en) 2017-07-31 2020-06-10 Ecolab Usa Inc. Dry polymer application method
WO2019118675A1 (en) 2017-12-13 2019-06-20 Ecolab Usa Inc. Solution comprising an associative polymer and a cyclodextrin polymer

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3021257A (en) * 1958-07-31 1962-02-13 American Cyanamid Co Paper containing pigment or filler
FI150074A7 (no) * 1973-06-04 1974-12-05 Calgon Corp
SE443818B (sv) * 1978-04-24 1986-03-10 Mitsubishi Chem Ind Forfarande for framstellning av papper med forbettrad torrstyrka
JPS5512868A (en) * 1978-07-12 1980-01-29 Mitsubishi Paper Mills Ltd Production of neutral paper
US4385961A (en) * 1981-02-26 1983-05-31 Eka Aktiebolag Papermaking
SE432951B (sv) * 1980-05-28 1984-04-30 Eka Ab Pappersprodukt innehallande cellulosafibrer och ett bindemedelssystem som omfattar kolloidal kiselsyra och katjonisk sterkelse samt forfarande for framstellning av pappersprodukten
JPH0314957B2 (no) * 1980-09-19 1991-02-27 Sunden Olof
US4445970A (en) * 1980-10-22 1984-05-01 Penntech Papers, Inc. High mineral composite fine paper
SE451739B (sv) * 1985-04-03 1987-10-26 Eka Nobel Ab Papperstillverkningsforfarande och pappersprodukt varvid som avvattnings- och retentionsforbettrande kemikalie anvends katjonisk polyakrylamid och en speciell oorganisk kolloid
JPH0663197B2 (ja) * 1985-11-07 1994-08-17 三菱製紙株式会社 中性紙の製紙方法
US4643801A (en) * 1986-02-24 1987-02-17 Nalco Chemical Company Papermaking aid
US4750974A (en) * 1986-02-24 1988-06-14 Nalco Chemical Company Papermaking aid
SE8701252D0 (sv) * 1987-03-03 1987-03-25 Eka Nobel Ab Sett vid framstellning av papper
SE467627B (sv) * 1988-09-01 1992-08-17 Eka Nobel Ab Saett vid framstaellning av papper

Also Published As

Publication number Publication date
JP2922907B2 (ja) 1999-07-26
DE3886491T2 (de) 1994-07-07
NO175160B (no) 1994-05-30
FI96337B (fi) 1996-02-29
JPH01162897A (ja) 1989-06-27
FI884339L (fi) 1989-03-23
ES2010968T3 (es) 1994-02-16
DE3886491D1 (de) 1994-02-03
US4795531A (en) 1989-01-03
BR8804878A (pt) 1989-04-25
CA1321046C (en) 1993-08-10
AU600216B2 (en) 1990-08-02
AU2243688A (en) 1989-03-23
EP0308752A2 (en) 1989-03-29
NZ226240A (en) 1989-10-27
EP0308752B1 (en) 1993-12-22
DE308752T1 (de) 1989-12-28
FI884339A0 (fi) 1988-09-21
EP0308752A3 (en) 1989-08-09
ES2010968A4 (es) 1989-12-16
NO884187L (no) 1989-03-28
NO884187D0 (no) 1988-09-21

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