FI97307C - Förfarande för framställning av papper och kartong - Google Patents

Förfarande för framställning av papper och kartong Download PDF

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Publication number
FI97307C
FI97307C FI891465A FI891465A FI97307C FI 97307 C FI97307 C FI 97307C FI 891465 A FI891465 A FI 891465A FI 891465 A FI891465 A FI 891465A FI 97307 C FI97307 C FI 97307C
Authority
FI
Finland
Prior art keywords
polymer
molecular weight
low molecular
stock
suspension
Prior art date
Application number
FI891465A
Other languages
English (en)
Finnish (fi)
Other versions
FI97307B (sv
FI891465A0 (sv
FI891465A (sv
Inventor
John Graham Langley
Original Assignee
Allied Colloids 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=26293708&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI97307(C) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Priority claimed from GB888807444A external-priority patent/GB8807444D0/en
Priority claimed from GB888815219A external-priority patent/GB8815219D0/en
Application filed by Allied Colloids Ltd filed Critical Allied Colloids Ltd
Publication of FI891465A0 publication Critical patent/FI891465A0/sv
Publication of FI891465A publication Critical patent/FI891465A/sv
Publication of FI97307B publication Critical patent/FI97307B/sv
Application granted granted Critical
Publication of FI97307C publication Critical patent/FI97307C/sv

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
    • 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
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D21H17/28—Starch
    • 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
    • D21H23/16—Addition before or during pulp beating or refining
    • 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
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/08—Mechanical or thermomechanical 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
    • D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
    • D21H11/14—Secondary fibres
    • 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
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D21H17/28—Starch
    • D21H17/29—Starch 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
    • D21H17/20—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

  • Paper (AREA)

Claims (8)

1. Förfarande för framställning av papper eller kartong i vilket förfarande bildas en cellulosavattensuspension, av 5 vilken ätminstone 25 v-% bestar av mekanisk massa, suspensionen förs genom ett eller flere skjuvningsskeden, som väljs bland rengörings-, blandnings- och pumpningsskedena, tili suspensionen tillsätts ätminstone 0,005 v-% huvudpolymer med stor molmassa, som är en vattenlöslig syntetisk katjon 10 polymer, vars gränsviskositet är ätminstone 4 dl/g, före ett av skjuvskedena, och efter detta skjuvskede tillsätts bentonit, suspensionen fär dränera att bilda arket och arket torkas, kännetecknat av att dräneringen förbättras genom 15 att tillsätta tili suspensionen före tillsatsen av huvud- polymeren en vattenlöslig syntetisk katjon polymer med liten molmassa, vars gränsviskositet är under 2 dl/g, i mängd som ligger mellan 0,01 - 0,2 v-%. 20
2. Förfarande enligt patentkrav 1, kännetecknat av att minst 50 vikt-% av cellulosasuspensionen bestär av ; mekaniskt utvunnen massa.
'· 3. Förfarande enligt patentkrav 1 eller 2, k ä n n e - 2 5;··: t e c k n a t av att produkten är tidningspapper. * · · t
: : ·,·, 4. Förfarande enligt nägot av patentkraven 1-3, k ä n - • « · netecknat av att molmassan för polymeren med liten ,, molmassa är 100 000 - 500 000. • · 30
• · · • · » '·' 5. Förfarande enligt nägot av patentkraven 1-4, k ä n - : netecknat av att polymeren med liten molmassa har ·«· ·“'; valts bland polymererna polyetylenimin, polyaminer, polycy- andiamid-formaldehydpolymerer, amfotera polymerer och 35 polymerer, vars monomerer är valda frän grupp diallyldimety- lammoniumklorid, diallylaminoalkyl(met)akrylater och dialkylaminoalkyl(met)akrylamider.
6. Förfarande enligt nägot av patentkraven 1-5, k ä n -netecknat av att kat jonbehovet, mätt med katjon huvudpolymer, för suspensionen tili vilken polymeren med liten molmassa tillsätts, är minst 400 g/t och den tillsatta 5 polymeren med liten molmassa sänker katjonbehovets mängd tili under 300 g/t.
7. Förfarande enligt nägot av patentkraven 1-6, k ä n -netecknat av att suspensionen som tilläts dränera 10 för framställning av papper eller kartong, är en svag mäld, som har fätts genom att utspäda en tjock mäld, och huvudpoly-meren tillsätts tili den svaga mälden och polymeren med liten molmassa är med i den tjocka mälden. 15
8. Förfarande enligt nägot av patentkraven 1-6, k ä n - netecknat av att suspensionen som tilläts dränera för framställning av papper eller kartong är en svag mäld, som har fätts genom att utspäda tjock mäld, och huvudpolyme-ren tillsätts tili den svaga mälden och polymeren med liten 20 molmassa tillsätts tili den svaga mälden. • · 1 « · « • 1 1 •V: • 1 • I • · • · · « · · » f · • · · « · » • · · • · · i":
FI891465A 1988-03-28 1989-03-28 Förfarande för framställning av papper och kartong FI97307C (sv)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
GB8807444 1988-03-28
GB888807444A GB8807444D0 (en) 1988-03-28 1988-03-28 Production of paper & paper board
GB8815219 1988-06-27
GB888815219A GB8815219D0 (en) 1988-06-27 1988-06-27 Production of paper & paper board

Publications (4)

Publication Number Publication Date
FI891465A0 FI891465A0 (sv) 1989-03-28
FI891465A FI891465A (sv) 1989-09-29
FI97307B FI97307B (sv) 1996-08-15
FI97307C true FI97307C (sv) 1997-11-11

Family

ID=26293708

Family Applications (1)

Application Number Title Priority Date Filing Date
FI891465A FI97307C (sv) 1988-03-28 1989-03-28 Förfarande för framställning av papper och kartong

Country Status (9)

Country Link
EP (1) EP0335575B2 (sv)
JP (2) JPH026683A (sv)
KR (1) KR960002733B1 (sv)
AU (1) AU613465B2 (sv)
CA (1) CA1322435C (sv)
DE (1) DE68905208T3 (sv)
ES (1) ES2053980T5 (sv)
FI (1) FI97307C (sv)
NO (1) NO174724B (sv)

Families Citing this family (45)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SE9003954L (sv) * 1990-12-11 1992-06-12 Eka Nobel Ab Saett foer framstaellning av ark- eller banformiga cellulosafiberinnehaallande produkter
US5126014A (en) * 1991-07-16 1992-06-30 Nalco Chemical Company Retention and drainage aid for alkaline fine papermaking process
US5221435A (en) * 1991-09-27 1993-06-22 Nalco Chemical Company Papermaking process
DE4311599A1 (de) * 1993-04-08 1994-10-13 Henkel Kgaa Verfahren zur Kontrolle des Absetzens klebender Verunreinigungen aus Papierstoff-Suspensionen
US5484834A (en) * 1993-11-04 1996-01-16 Nalco Canada Inc. Liquid slurry of bentonite
GB9410920D0 (en) * 1994-06-01 1994-07-20 Allied Colloids Ltd Manufacture of paper
US5810971A (en) * 1995-05-17 1998-09-22 Nalco Canada, Inc. Liquid slurry of bentonite
SE9502522D0 (sv) * 1995-07-07 1995-07-07 Eka Nobel Ab A process for the production of paper
EP0760406A3 (en) * 1995-08-24 1997-09-17 Nalco Canada Inc Combination of poly (dadmac / acrylamide) and bentonite for pitch control in papermaking processes
US5840158A (en) * 1995-09-28 1998-11-24 Nalco Chemical Company Colloidal silica/polyelectrolyte blends for pulp and paper applications
US5620629A (en) * 1995-09-28 1997-04-15 Nalco Chemical Company Colloidal silica/polyelectrolyte blends for natural water clarification
CA2180371A1 (en) * 1996-02-13 1997-08-14 Brian Frederic Satterfield Production of filled paper and compositions for use in this
GB9603909D0 (en) 1996-02-23 1996-04-24 Allied Colloids Ltd Production of paper
DE19627553A1 (de) * 1996-07-09 1998-01-15 Basf Ag Verfahren zur Herstellung von Papier und Karton
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
DE19715832A1 (de) 1997-04-16 1998-10-22 Basf Ag Verfahren zur Herstellung von Papier, Pappe und Karton
KR100403839B1 (ko) 1998-04-27 2003-11-01 악조 노벨 엔.브이. 제지 방법
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
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
ID25782A (id) * 1998-09-22 2000-11-02 Calgon Corp Campuran koloid asam silika dalam sistem mikropartikel yang digunakan dalam pembuatan kertas
TW527457B (en) 1999-11-08 2003-04-11 Ciba Spec Chem Water Treat Ltd Manufacture of paper and paperboard
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
JP3819731B2 (ja) * 2000-11-30 2006-09-13 ハイモ株式会社 中性新聞用紙の抄紙方法
DE20220979U1 (de) 2002-08-07 2004-10-14 Basf Ag Papierprodukt
GB0402470D0 (en) 2004-02-04 2004-03-10 Ciba Spec Chem Water Treat Ltd Production of a fermentation product
GB0402469D0 (en) 2004-02-04 2004-03-10 Ciba Spec Chem Water Treat Ltd Production of a fermentation product
JP4517662B2 (ja) * 2004-02-10 2010-08-04 栗田工業株式会社 紙及び板紙の製造方法
DE102004044379B4 (de) 2004-09-10 2008-01-10 Basf Ag Verfahren zur Herstellung von Papier, Pappe und Karton und Verwendung einer Retentionsmittelkombination
DE102004058587A1 (de) 2004-12-03 2006-06-14 Basf Ag Verfahren zur Herstellung von Papieren mit hohen Flächengewichten
DE102004063005A1 (de) 2004-12-22 2006-07-13 Basf Ag Verfahren zur Herstellung von Papier, Pappe und Karton
US7955473B2 (en) 2004-12-22 2011-06-07 Akzo Nobel N.V. Process for the production of paper
US20060254464A1 (en) 2005-05-16 2006-11-16 Akzo Nobel N.V. Process for the production of paper
WO2007078245A1 (en) 2005-12-30 2007-07-12 Akzo Nobel N.V. A process for the production of paper
NZ575263A (en) * 2006-10-25 2012-02-24 Ciba Holding Inc A process for improving paper strength
US7758934B2 (en) 2007-07-13 2010-07-20 Georgia-Pacific Consumer Products Lp Dual mode ink jet paper
JP5190877B2 (ja) * 2008-04-04 2013-04-24 ハイモ株式会社 紙の欠陥発生抑制方法
JP5584505B2 (ja) * 2010-03-30 2014-09-03 日本製紙株式会社 紙の製造方法
CA2862095C (en) 2012-02-01 2017-04-11 Basf Se Process for the manufacture of paper and paperboard
ES2663384T3 (es) 2012-03-01 2018-04-12 Basf Se Proceso para la fabricación de papel y cartón
CA2897185C (en) 2013-01-11 2018-10-09 Basf Se Process for the manufacture of paper and paperboard
WO2019239819A1 (ja) * 2018-06-15 2019-12-19 栗田工業株式会社 紙及び紙板の製造方法
JP6929899B2 (ja) * 2018-06-15 2021-09-01 栗田工業株式会社 紙及び紙板の製造方法

Family Cites Families (6)

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Publication number Priority date Publication date Assignee Title
JPS5512868A (en) * 1978-07-12 1980-01-29 Mitsubishi Paper Mills Ltd Production of neutral paper
DE3065576D1 (en) * 1979-03-28 1983-12-22 Allied Colloids Ltd Production of paper and paper board
DE3541163A1 (de) * 1985-11-21 1987-05-27 Basf Ag Verfahren zur herstellung von papier und karton
GB8602121D0 (en) * 1986-01-29 1986-03-05 Allied Colloids Ltd Paper & paper board
US4795531A (en) * 1987-09-22 1989-01-03 Nalco Chemical Company Method for dewatering paper
JPH0192498A (ja) * 1987-10-02 1989-04-11 Hokuetsu Paper Mills Ltd 中性紙の製造方法

Also Published As

Publication number Publication date
EP0335575B2 (en) 2000-08-23
JPH026683A (ja) 1990-01-10
NO174724B (no) 1994-03-14
JPH05239800A (ja) 1993-09-17
ES2053980T5 (es) 2000-12-16
AU613465B2 (en) 1991-08-01
EP0335575A2 (en) 1989-10-04
JPH0529719B2 (sv) 1993-05-06
FI97307B (sv) 1996-08-15
AU3174989A (en) 1989-09-28
DE68905208T2 (de) 1993-10-07
FI891465A0 (sv) 1989-03-28
EP0335575A3 (en) 1990-12-12
NO891301D0 (no) 1989-03-28
ES2053980T3 (es) 1994-08-01
NO891301L (no) 1989-09-29
FI891465A (sv) 1989-09-29
CA1322435C (en) 1993-09-28
EP0335575B1 (en) 1993-03-10
DE68905208D1 (de) 1993-04-15
DE68905208T3 (de) 2001-02-15
KR960002733B1 (ko) 1996-02-26
KR890014836A (ko) 1989-10-25

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Date Code Title Description
BB Publication of examined application
FG Patent granted

Owner name: CIBA SPECIALTY CHEMICALS WATER TREATMENTS LIMITED

MA Patent expired