CA1176243A - Lignocellulose material of improved strength, drainability and beatability and method of producing it - Google Patents

Lignocellulose material of improved strength, drainability and beatability and method of producing it

Info

Publication number
CA1176243A
CA1176243A CA000358943A CA358943A CA1176243A CA 1176243 A CA1176243 A CA 1176243A CA 000358943 A CA000358943 A CA 000358943A CA 358943 A CA358943 A CA 358943A CA 1176243 A CA1176243 A CA 1176243A
Authority
CA
Canada
Prior art keywords
groups
compounds
lignocellulose material
acid
group
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
Application number
CA000358943A
Other languages
English (en)
French (fr)
Inventor
Carl-Johan Alfthan
Mats-Olov Hedblom
Zoja Lindh-Nomm
Christer Soremark
Elisabeth Soremark
Bjorn Samuelsson
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.)
Sodra Skogsagarna AB
Alby Klorat AB
Original Assignee
Sodra Skogsagarna AB
Alby Klorat AB
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
Application filed by Sodra Skogsagarna AB, Alby Klorat AB filed Critical Sodra Skogsagarna AB
Application granted granted Critical
Publication of CA1176243A publication Critical patent/CA1176243A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/001—Modification of pulp properties
    • D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
    • D21C9/005—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives organic compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Paper (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
CA000358943A 1979-08-23 1980-08-22 Lignocellulose material of improved strength, drainability and beatability and method of producing it Expired CA1176243A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7907034A SE446888B (sv) 1979-08-23 1979-08-23 Sett att framstella lignocellulosamaterial med forbettrad styrka, avvattningsformaga och malbarhet
SE7907034-8 1979-08-23

Publications (1)

Publication Number Publication Date
CA1176243A true CA1176243A (en) 1984-10-16

Family

ID=20338679

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000358943A Expired CA1176243A (en) 1979-08-23 1980-08-22 Lignocellulose material of improved strength, drainability and beatability and method of producing it

Country Status (5)

Country Link
BR (1) BR8005334A (fi)
CA (1) CA1176243A (fi)
FI (1) FI68435C (fi)
NO (1) NO157340C (fi)
SE (1) SE446888B (fi)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5043433A (en) * 1988-03-16 1991-08-27 Westvaco Corporation Oleum sulfonation of lignins
US5043434A (en) * 1989-01-19 1991-08-27 Westvaco Corporation Oleum sulfonation of lignins
US5043432A (en) * 1989-01-19 1991-08-27 Westvaco Corporation Sulfonation of lignins
US5049661A (en) * 1989-01-19 1991-09-17 Westvaco Corporation Sulfonation of lignins
WO2013095266A1 (en) * 2011-12-20 2013-06-27 Domsjö Fabriker Ab Method of increasing the efficiency of a beating of a chemical pulp

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5043433A (en) * 1988-03-16 1991-08-27 Westvaco Corporation Oleum sulfonation of lignins
US5043434A (en) * 1989-01-19 1991-08-27 Westvaco Corporation Oleum sulfonation of lignins
US5043432A (en) * 1989-01-19 1991-08-27 Westvaco Corporation Sulfonation of lignins
US5049661A (en) * 1989-01-19 1991-09-17 Westvaco Corporation Sulfonation of lignins
WO2013095266A1 (en) * 2011-12-20 2013-06-27 Domsjö Fabriker Ab Method of increasing the efficiency of a beating of a chemical pulp

Also Published As

Publication number Publication date
NO157340C (no) 1988-03-02
NO802506L (no) 1981-02-24
NO157340B (no) 1987-11-23
BR8005334A (pt) 1981-03-04
SE7907034L (sv) 1981-02-24
FI68435C (fi) 1985-09-10
SE446888B (sv) 1986-10-13
FI802653A (fi) 1981-02-24
FI68435B (fi) 1985-05-31

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Legal Events

Date Code Title Description
MKEX Expiry