CA1084913A - Process for the preparation of alkali cellulose - Google Patents

Process for the preparation of alkali cellulose

Info

Publication number
CA1084913A
CA1084913A CA273,135A CA273135A CA1084913A CA 1084913 A CA1084913 A CA 1084913A CA 273135 A CA273135 A CA 273135A CA 1084913 A CA1084913 A CA 1084913A
Authority
CA
Canada
Prior art keywords
cellulose
viscose
alkali
pulp
acid
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
CA273,135A
Other languages
English (en)
French (fr)
Inventor
Esko Haukkovaara
Erkki Sorsa
Jan Fors
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 Oyj
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 Kemira Oyj filed Critical Kemira Oyj
Application granted granted Critical
Publication of CA1084913A publication Critical patent/CA1084913A/en
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
    • C08B1/08—Alkali cellulose

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
CA273,135A 1976-03-10 1977-03-03 Process for the preparation of alkali cellulose Expired CA1084913A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI760623A FI53144C (me) 1976-03-10 1976-03-10
FI760623 1976-03-10

Publications (1)

Publication Number Publication Date
CA1084913A true CA1084913A (en) 1980-09-02

Family

ID=8509820

Family Applications (1)

Application Number Title Priority Date Filing Date
CA273,135A Expired CA1084913A (en) 1976-03-10 1977-03-03 Process for the preparation of alkali cellulose

Country Status (14)

Country Link
JP (1) JPS52128983A (me)
AT (1) AT374809B (me)
CA (1) CA1084913A (me)
CS (1) CS225129B2 (me)
DD (1) DD128953A1 (me)
DE (1) DE2710309A1 (me)
ES (1) ES456679A1 (me)
FI (1) FI53144C (me)
FR (1) FR2343753A1 (me)
GB (1) GB1553134A (me)
NO (1) NO144265B (me)
PL (1) PL111131B1 (me)
SE (1) SE433612B (me)
YU (1) YU39674B (me)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7361753B2 (en) 2000-04-12 2008-04-22 Se Tylose Gmbh & Co. Kg Method for the production of easily wetted, water-soluble, powdered at least alkylated non-ionic cellulose ethers

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3518877A1 (de) * 1985-05-25 1986-11-27 Wolff Walsrode Ag, 3030 Walsrode Verfahren zur herstellung von viskosen mit reduziertem cs(pfeil abwaerts)2(pfeil abwaerts)-bedarf
JPH02212895A (ja) * 1989-02-14 1990-08-24 Kobe Steel Ltd 吸音材及び吸音構造
EP2047030B2 (en) * 2006-06-14 2014-04-09 Sappi Manufacturing (PTY) Ltd Pulp reactivity enhancement

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH156436A (de) * 1930-08-18 1932-08-15 Ig Farbenindustrie Ag Verfahren zur Herstellung von Viskose.
DE850002C (de) * 1944-11-05 1952-09-22 Solvay Werke Gmbh Verfahren zur Vermeidung des Ausflockens von Hemicellulose aus gebrauchten Laugen der Alkalicelluloseherstellung
US2716058A (en) * 1950-06-24 1955-08-23 Int Paper Canada Deresination of wood pulp
US2680737A (en) * 1951-05-17 1954-06-08 Hercules Powder Co Ltd Alkali cellulose preparation
US2680738A (en) * 1952-04-11 1954-06-08 Hercules Powder Co Ltd Preparation of alkali cellulose
GB791322A (en) * 1953-06-05 1958-02-26 Rayonier Inc Improvements in viscose process
US2789902A (en) * 1954-01-19 1957-04-23 Celanese Corp Refining of wood pulp
FR1122729A (fr) * 1954-04-19 1956-09-12 Rayonier Procédé de trempage en bouillie de la cellulose
US2898334A (en) * 1955-07-26 1959-08-04 Rayonier Inc Cellulose slurry-steeping
NL227804A (me) * 1957-05-16 1900-01-01
FR1240749A (fr) * 1959-02-02 1960-09-09 Buckeye Cellulose Corp Perfectionnements à la préparation des pâtes de bois, pâtes ainsi obtenues et leurs applications
SE353331B (me) * 1968-10-03 1973-01-29 Mo Och Domsjoe Ab
FI55853C (fi) * 1970-01-23 1979-10-10 Mo Och Domsjoe Ab Foerfarande vid framstaellning av viskos

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7361753B2 (en) 2000-04-12 2008-04-22 Se Tylose Gmbh & Co. Kg Method for the production of easily wetted, water-soluble, powdered at least alkylated non-ionic cellulose ethers

Also Published As

Publication number Publication date
DE2710309A1 (de) 1977-09-15
ES456679A1 (es) 1978-01-16
AT374809B (de) 1984-06-12
JPS625921B2 (me) 1987-02-07
FI760623A (me) 1977-09-11
CS225129B2 (en) 1984-02-13
FR2343753B1 (me) 1983-08-12
SE433612B (sv) 1984-06-04
YU39674B (en) 1985-03-20
FR2343753A1 (fr) 1977-10-07
GB1553134A (en) 1979-09-19
JPS52128983A (en) 1977-10-28
PL111131B1 (en) 1980-08-30
FI53144C (me) 1978-02-10
NO770836L (no) 1977-09-13
YU63377A (en) 1982-05-31
NO144265B (no) 1981-04-21
FI53144B (me) 1977-10-31
ATA156577A (de) 1983-10-15
SE7702670L (sv) 1977-09-11
DD128953A1 (de) 1977-12-21

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Legal Events

Date Code Title Description
MKEX Expiry