BR7503681A - Processo para o fortalecimento de material lignocelulosico fibroso - Google Patents

Processo para o fortalecimento de material lignocelulosico fibroso

Info

Publication number
BR7503681A
BR7503681A BR4722/75D BR7504722D BR7503681A BR 7503681 A BR7503681 A BR 7503681A BR 4722/75 D BR4722/75 D BR 4722/75D BR 7504722 D BR7504722 D BR 7504722D BR 7503681 A BR7503681 A BR 7503681A
Authority
BR
Brazil
Prior art keywords
strengthening
lignocellulosic material
fibrous lignocellulosic
fibrous
lignocellulosic
Prior art date
Application number
BR4722/75D
Other languages
English (en)
Portuguese (pt)
Inventor
Donough
Original Assignee
Canadian Ind
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
Priority claimed from GB2584674A external-priority patent/GB1505076A/en
Application filed by Canadian Ind filed Critical Canadian Ind
Publication of BR7503681A publication Critical patent/BR7503681A/pt

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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/1057—Multistage, with compounds cited in more than one sub-group D21C9/10, D21C9/12, D21C9/16
    • 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
    • D21C9/10—Bleaching ; Apparatus therefor
    • D21C9/12—Bleaching ; Apparatus therefor with halogens or halogen-containing compounds

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Wood Science & Technology (AREA)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Secondary Cells (AREA)
  • Materials For Medical Uses (AREA)
  • Electric Double-Layer Capacitors Or The Like (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Reinforced Plastic Materials (AREA)
BR4722/75D 1974-06-11 1975-06-11 Processo para o fortalecimento de material lignocelulosico fibroso BR7503681A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2584674A GB1505076A (en) 1974-06-11 1974-06-11 Strenghening of mechanical pulp by chemical treatment

Publications (1)

Publication Number Publication Date
BR7503681A true BR7503681A (pt) 1976-06-29

Family

ID=10234295

Family Applications (1)

Application Number Title Priority Date Filing Date
BR4722/75D BR7503681A (pt) 1974-06-11 1975-06-11 Processo para o fortalecimento de material lignocelulosico fibroso

Country Status (7)

Country Link
JP (1) JPS517201A (sv)
BR (1) BR7503681A (sv)
CA (1) CA1056558A (sv)
ES (1) ES438434A1 (sv)
FI (1) FI66031B (sv)
NO (1) NO145141C (sv)
SE (1) SE7506647L (sv)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS52127982A (en) * 1976-04-17 1977-10-27 Eidai Co Ltd Process for manufacturing special particleboard
SE9000340L (sv) * 1990-01-31 1991-08-01 Eka Nobel Ab Foerfarande vid blekning av lignocellulosahaltigt material

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS4887101A (sv) * 1972-02-22 1973-11-16

Also Published As

Publication number Publication date
CA1056558A (en) 1979-06-19
NO752026L (sv) 1975-12-12
NO145141B (no) 1981-10-12
ES438434A1 (es) 1977-02-01
SE7506647L (sv) 1975-12-12
NO145141C (no) 1982-01-20
FI66031B (fi) 1984-04-30
JPS517201A (sv) 1976-01-21
FI751733A (sv) 1975-12-12

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