BR8504744A - PROCESS FOR PRECIPITATION OF CELLULOSE CARBAMATE FROM AN ALKALINE SOLUTION - Google Patents

PROCESS FOR PRECIPITATION OF CELLULOSE CARBAMATE FROM AN ALKALINE SOLUTION

Info

Publication number
BR8504744A
BR8504744A BR8504744A BR8504744A BR8504744A BR 8504744 A BR8504744 A BR 8504744A BR 8504744 A BR8504744 A BR 8504744A BR 8504744 A BR8504744 A BR 8504744A BR 8504744 A BR8504744 A BR 8504744A
Authority
BR
Brazil
Prior art keywords
precipitation
alkaline solution
cellulose carbamate
carbamate
cellulose
Prior art date
Application number
BR8504744A
Other languages
Portuguese (pt)
Inventor
Olli T Turunen
Jouko Huttunen
Johan-Frederick Selin
Jan Fors
Vidar Eklund
Original Assignee
Neste 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
Application filed by Neste Oy filed Critical Neste Oy
Publication of BR8504744A publication Critical patent/BR8504744A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B15/00—Preparation of other cellulose derivatives or modified cellulose, e.g. complexes
    • C08B15/05—Derivatives containing elements other than carbon, hydrogen, oxygen, halogens or sulfur
    • C08B15/06—Derivatives containing elements other than carbon, hydrogen, oxygen, halogens or sulfur containing nitrogen, e.g. carbamates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B3/00—Preparation of cellulose esters of organic acids
    • C08B3/14—Preparation of cellulose esters of organic acids in which the organic acid residue contains substituents, e.g. NH2, Cl

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Artificial Filaments (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
BR8504744A 1984-09-27 1985-09-26 PROCESS FOR PRECIPITATION OF CELLULOSE CARBAMATE FROM AN ALKALINE SOLUTION BR8504744A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI843812A FI69851C (en) 1984-09-27 1984-09-27 FOERFARANDE FOER UTFAELLNING AV CELLULOSAKARBAMAT

Publications (1)

Publication Number Publication Date
BR8504744A true BR8504744A (en) 1986-07-22

Family

ID=8519660

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8504744A BR8504744A (en) 1984-09-27 1985-09-26 PROCESS FOR PRECIPITATION OF CELLULOSE CARBAMATE FROM AN ALKALINE SOLUTION

Country Status (17)

Country Link
JP (1) JPS6189201A (en)
AT (1) AT391709B (en)
BR (1) BR8504744A (en)
CA (1) CA1266467A (en)
CS (1) CS274607B2 (en)
DD (1) DD238984A5 (en)
DE (1) DE3534370A1 (en)
FI (1) FI69851C (en)
FR (1) FR2570705B1 (en)
GB (1) GB2164941B (en)
IN (1) IN164916B (en)
IT (1) IT1215310B (en)
NO (1) NO162909C (en)
RO (1) RO92933B (en)
SE (1) SE8504455L (en)
SU (1) SU1535384A3 (en)
ZA (1) ZA857172B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19721609A1 (en) * 1997-05-23 1998-11-26 Zimmer Ag Method and device for spinning cellulose carbamate solutions
DE102004007616B4 (en) * 2004-02-17 2005-12-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Process for producing fibers and other shaped articles from cellulose carbamate and / or regenerated cellulose
CN105517955A (en) * 2013-07-01 2016-04-20 Ihk纤维公司 Alkali recycling in cellulose spinning process

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB323747A (en) * 1928-07-02 1930-01-02 Leon Lilienfeld Process for coagulating or precipitating viscose
NL55623C (en) * 1935-05-15
GB516672A (en) * 1937-08-30 1940-01-09 Du Pont Improvements in or relating to the production of cellulose derivatives
FI64603C (en) * 1981-12-30 1983-12-12 Neste Oy EXTENSION OF CELLULOSE EXTENSION
FI67561C (en) * 1982-12-08 1985-04-10 Neste Oy FOERFARANDE FOER UPPLOESNING AV CELLULOSAKARBAMAT
FI66624C (en) * 1983-11-02 1984-11-12 Neste Oy FOERFARANDE FOER FRAMSTAELLNING AV CELLULOSAKARBAMATFIBRER ELLER -FILMER

Also Published As

Publication number Publication date
NO162909B (en) 1989-11-27
CA1266467A (en) 1990-03-06
RO92933A (en) 1988-03-30
ATA280685A (en) 1990-05-15
AT391709B (en) 1990-11-26
IN164916B (en) 1989-07-08
RO92933B (en) 1988-03-31
FI69851B (en) 1985-12-31
FR2570705A1 (en) 1986-03-28
NO162909C (en) 1990-03-07
GB2164941B (en) 1988-10-12
JPH0246601B2 (en) 1990-10-16
DD238984A5 (en) 1986-09-10
GB8523913D0 (en) 1985-10-30
JPS6189201A (en) 1986-05-07
IT1215310B (en) 1990-01-31
CS673085A2 (en) 1990-12-13
DE3534370A1 (en) 1986-04-03
SU1535384A3 (en) 1990-01-07
SE8504455D0 (en) 1985-09-26
FI69851C (en) 1986-05-26
NO853673L (en) 1986-04-01
FI843812A0 (en) 1984-09-27
CS274607B2 (en) 1991-09-15
GB2164941A (en) 1986-04-03
ZA857172B (en) 1986-05-28
IT8522254A0 (en) 1985-09-24
SE8504455L (en) 1986-03-28
DE3534370C2 (en) 1989-11-23
FR2570705B1 (en) 1988-06-10

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Legal Events

Date Code Title Description
MM Lapse due to non-payment of fees (art. 50)