EP0700473B2 - Process for producing paper - Google Patents

Process for producing paper Download PDF

Info

Publication number
EP0700473B2
EP0700473B2 EP93902274A EP93902274A EP0700473B2 EP 0700473 B2 EP0700473 B2 EP 0700473B2 EP 93902274 A EP93902274 A EP 93902274A EP 93902274 A EP93902274 A EP 93902274A EP 0700473 B2 EP0700473 B2 EP 0700473B2
Authority
EP
European Patent Office
Prior art keywords
cationic
aluminum
added
polyacrylamide
aluminum salt
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
EP93902274A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0700473B1 (en
EP0700473A1 (en
Inventor
Lars Harald Petander
Tore Anders Johan DUVNÄS
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.)
Kemira Oyj
Original Assignee
Kemira Chemicals Oy
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=8534094&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP0700473(B2) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Kemira Chemicals Oy filed Critical Kemira Chemicals Oy
Publication of EP0700473A1 publication Critical patent/EP0700473A1/en
Application granted granted Critical
Publication of EP0700473B1 publication Critical patent/EP0700473B1/en
Publication of EP0700473B2 publication Critical patent/EP0700473B2/en
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
    • 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
    • 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
    • D21H17/20—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
    • D21H17/55—Polyamides; Polyaminoamides; Polyester-amides
    • 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
    • D21H17/56—Polyamines; Polyimines; Polyester-imides
    • 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
    • D21H17/66—Salts, e.g. alums
    • 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
EP93902274A 1992-01-20 1993-01-20 Process for producing paper Expired - Lifetime EP0700473B2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
FI920246A FI920246A0 (fi) 1992-01-20 1992-01-20 Foerfarande foer tillverkning av papper.
FI920246 1992-01-20
PCT/FI1993/000019 WO1993014263A1 (en) 1992-01-20 1993-01-20 Process for producing paper

Publications (3)

Publication Number Publication Date
EP0700473A1 EP0700473A1 (en) 1996-03-13
EP0700473B1 EP0700473B1 (en) 2000-04-05
EP0700473B2 true EP0700473B2 (en) 2003-01-22

Family

ID=8534094

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93902274A Expired - Lifetime EP0700473B2 (en) 1992-01-20 1993-01-20 Process for producing paper

Country Status (10)

Country Link
EP (1) EP0700473B2 (fi)
JP (1) JP3138475B2 (fi)
AT (1) ATE191524T1 (fi)
AU (1) AU660066B2 (fi)
CA (1) CA2127992A1 (fi)
DE (1) DE69328311T3 (fi)
ES (1) ES2146609T5 (fi)
FI (2) FI920246A0 (fi)
PT (1) PT700473E (fi)
WO (1) WO1993014263A1 (fi)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5707494A (en) * 1994-03-14 1998-01-13 E. I. Du Pont De Nemours And Company Process for preparing water soluble polyaluminosilicates
JP2000352386A (ja) 1999-06-08 2000-12-19 Mitsubishi Heavy Ind Ltd スクロール圧縮機
DE102004063005A1 (de) 2004-12-22 2006-07-13 Basf Ag Verfahren zur Herstellung von Papier, Pappe und Karton
JP4626374B2 (ja) * 2005-04-20 2011-02-09 栗田工業株式会社 製紙方法および製紙用添加剤
US8157962B2 (en) 2006-12-21 2012-04-17 Akzo Nobel N.V. Process for the production of cellulosic product
US10458067B2 (en) 2017-01-31 2019-10-29 Kimberly-Clark Worldwide, Inc. High bulk tissue comprising cross-linked fibers
EP4096483A4 (en) 2020-01-30 2024-01-17 Kimberly Clark Co TISSUE PRODUCTS WITH CROSS-LINKED FIBERS

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5512868A (en) † 1978-07-12 1980-01-29 Mitsubishi Paper Mills Ltd Production of neutral paper
JPS62125096A (ja) † 1985-11-21 1987-06-06 星光化学工業株式会社 填料の歩留り向上方法
WO1988006659A1 (en) † 1987-03-03 1988-09-07 Eka Nobel Ab A process for the production of paper
US4927498A (en) † 1988-01-13 1990-05-22 E. I. Du Pont De Nemours And Company Retention and drainage aid for papermaking

Family Cites Families (2)

* 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
SE8903752D0 (sv) * 1989-11-09 1989-11-09 Eka Nobel Ab Foerfarande foer framstaellning av papper

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5512868A (en) † 1978-07-12 1980-01-29 Mitsubishi Paper Mills Ltd Production of neutral paper
JPS62125096A (ja) † 1985-11-21 1987-06-06 星光化学工業株式会社 填料の歩留り向上方法
WO1988006659A1 (en) † 1987-03-03 1988-09-07 Eka Nobel Ab A process for the production of paper
US4927498A (en) † 1988-01-13 1990-05-22 E. I. Du Pont De Nemours And Company Retention and drainage aid for papermaking

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
L. Nealy, et al, "Some factors affecting strength enhancement by a polyacrylamide dual polymer system", 1989, Papermakers Conference, Tappi Proceedings, pp. 261-263 †

Also Published As

Publication number Publication date
DE69328311T3 (de) 2003-07-31
JPH07502791A (ja) 1995-03-23
ES2146609T3 (es) 2000-08-16
FI943425A (fi) 1994-07-19
EP0700473B1 (en) 2000-04-05
DE69328311D1 (de) 2000-05-11
CA2127992A1 (en) 1993-07-22
AU3354193A (en) 1993-08-03
FI920246A0 (fi) 1992-01-20
ATE191524T1 (de) 2000-04-15
PT700473E (pt) 2000-07-31
WO1993014263A1 (en) 1993-07-22
ES2146609T5 (es) 2003-07-01
AU660066B2 (en) 1995-06-08
DE69328311T2 (de) 2000-08-10
JP3138475B2 (ja) 2001-02-26
FI943425A0 (fi) 1994-07-19
EP0700473A1 (en) 1996-03-13

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