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FI881369A0 - Improvement of paper-making procedures - Google Patents

Improvement of paper-making procedures

Info

Publication number
FI881369A0
FI881369A0 FI881369A FI881369A FI881369A0 FI 881369 A0 FI881369 A0 FI 881369A0 FI 881369 A FI881369 A FI 881369A FI 881369 A FI881369 A FI 881369A FI 881369 A0 FI881369 A0 FI 881369A0
Authority
FI
Finland
Prior art keywords
paper
improvement
making procedures
sheet
carboxylic acid
Prior art date
Application number
FI881369A
Other languages
Finnish (fi)
Swedish (sv)
Other versions
FI94972C (en
FI881369A (en
FI94972B (en
Inventor
Lucien Bourson
Yves Bonnaud
Original Assignee
Atochem
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=9349312&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=FI881369(A0) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Atochem filed Critical Atochem
Publication of FI881369A0 publication Critical patent/FI881369A0/en
Publication of FI881369A publication Critical patent/FI881369A/en
Application granted granted Critical
Publication of FI94972B publication Critical patent/FI94972B/en
Publication of FI94972C publication Critical patent/FI94972C/en

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
    • D21H17/03—Non-macromolecular organic compounds
    • D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
    • D21H17/14—Carboxylic acids; Derivatives thereof
    • D21H17/15—Polycarboxylic acids, e.g. maleic acid
    • D21H17/16—Addition products thereof with hydrocarbons
    • 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
    • D21H17/03—Non-macromolecular organic compounds
    • D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
    • D21H17/17—Ketenes, e.g. ketene dimers
    • 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
    • D21H17/63—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
    • 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

Landscapes

  • Paper (AREA)
  • Making Paper Articles (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Superconductors And Manufacturing Methods Therefor (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Electronic Switches (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Electroluminescent Light Sources (AREA)

Abstract

Papermaking process characterised in that the following are added to the suspension containing the cellulose fibres before the sheet is formed: calcium carbonate, a sizing agent such as a dimeric alkylketene or a carboxylic acid anhydride, cationic starch and a basic aluminium polychlorosulphate.
FI881369A 1987-03-23 1988-03-22 Improvement in papermaking methods FI94972C (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR8704003A FR2612961B1 (en) 1987-03-23 1987-03-23 PROCESS FOR THE MANUFACTURE OF PAPER BY ADDITION TO THE FIBROUS SUSPENSION OF A MINERAL FILLER, A GLUING AGENT, CATIONIC STARCH AND ALUMINUM POLYCHLORIDE
FR8704003 1987-03-23

Publications (4)

Publication Number Publication Date
FI881369A0 true FI881369A0 (en) 1988-03-22
FI881369A FI881369A (en) 1988-09-24
FI94972B FI94972B (en) 1995-08-15
FI94972C FI94972C (en) 1995-11-27

Family

ID=9349312

Family Applications (1)

Application Number Title Priority Date Filing Date
FI881369A FI94972C (en) 1987-03-23 1988-03-22 Improvement in papermaking methods

Country Status (13)

Country Link
EP (1) EP0285487B1 (en)
JP (1) JPS63256796A (en)
AT (1) ATE73184T1 (en)
CA (1) CA1312708C (en)
DE (1) DE3868659D1 (en)
DK (1) DK170686B1 (en)
ES (1) ES2029522T3 (en)
FI (1) FI94972C (en)
FR (1) FR2612961B1 (en)
GR (1) GR3004804T3 (en)
IE (1) IE60052B1 (en)
NO (1) NO173887C (en)
PT (1) PT87044B (en)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02293493A (en) * 1989-04-28 1990-12-04 Arakawa Chem Ind Co Ltd Sizing agent for ketene dimer-based paper making
CA2074066A1 (en) * 1990-01-22 1991-07-23 Callaway Chemical Company Reducing foaming in paper manufacture
TR24973A (en) * 1991-02-05 1992-09-01 Exxon Chemical Patents Inc REDUCING FOAMING IN PAPER MANUFACTURING
FR2678961B1 (en) * 1991-07-12 1993-10-15 Atochem NEW PROCESS FOR THE MANUFACTURE OF PAPER AND THE PAPER THUS OBTAINED.
KR100256636B1 (en) * 1994-04-12 2000-05-15 김충섭 Manufacturing method of paper to increase the content of fillers in paper and increase the strength of Scott internal bond
IT1271003B (en) * 1994-09-08 1997-05-26 Ausimont Spa HIGH MECHANICAL RESISTANCE PAPER AND CARDBOARD PRODUCTION PROCESS
FR2732368B1 (en) * 1995-03-31 1997-06-06 Roquette Freres NEW PAPERMAKING PROCESS
FR2743810B1 (en) 1996-01-23 1998-04-10 Roquette Freres MODIFIED CATIONIC POLYSACCHARIDES, BONDING COMPOSITIONS CONTAINING THEM AND METHODS FOR BONDING PLANAR STRUCTURES USING THE SAME
RU2546721C2 (en) * 2012-10-12 2015-04-10 ЗАО (р) "Туринский целлюлозно-бумажный завод" Method of production of paper pulp

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5374118A (en) * 1976-12-09 1978-07-01 Toa Gosei Chem Ind Additives for paper making
FR2418297A1 (en) * 1978-02-27 1979-09-21 Ugine Kuhlmann IMPROVEMENT OF PAPER AND BOARD MANUFACTURING PROCESSES
JPS59199900A (en) * 1983-04-18 1984-11-13 三菱製紙株式会社 Neutral paper
IT1163643B (en) * 1983-07-01 1987-04-08 Prodeco Spa PROCEDURE FOR PAPER COLLATION, IN PARTICULAR IN THE PRESENCE OF A SENSITIVE CHARGE IN THE ACID ENVIRONMENT
JPS60185899A (en) * 1984-03-05 1985-09-21 三菱製紙株式会社 acid-free paper
SE8405260L (en) * 1984-10-22 1986-04-23 Eka Ab HYDROPHOBING AGENTS FOR ORGANIC FIBERS, Separate CELLULOS FIBERS, SET TO MAKE THIS AGENT AND THE USE OF THE MELD HYDROPHOBING AGENT
DE3661948D1 (en) * 1985-04-13 1989-03-02 Chem Fab Bruhl Oppermann Gmbh Paper-sizing agents and their use

Also Published As

Publication number Publication date
FI94972C (en) 1995-11-27
FI881369A (en) 1988-09-24
ES2029522T3 (en) 1992-08-16
NO173887B (en) 1993-11-08
GR3004804T3 (en) 1993-04-28
PT87044A (en) 1988-04-01
DK154788A (en) 1988-09-26
EP0285487B1 (en) 1992-03-04
DK154788D0 (en) 1988-03-22
IE880842L (en) 1988-09-23
FR2612961A1 (en) 1988-09-30
FR2612961B1 (en) 1989-10-13
DE3868659D1 (en) 1992-04-09
IE60052B1 (en) 1994-05-18
FI94972B (en) 1995-08-15
DK170686B1 (en) 1995-12-04
CA1312708C (en) 1993-01-19
EP0285487A1 (en) 1988-10-05
NO881029L (en) 1988-09-26
JPS63256796A (en) 1988-10-24
ATE73184T1 (en) 1992-03-15
NO173887C (en) 1994-02-16
NO881029D0 (en) 1988-03-08
PT87044B (en) 1992-07-31

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Legal Events

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

Owner name: ATOCHEM

MA Patent expired