DE3534370A1 - Verfahren zur faellung von cellulosecarbamat - Google Patents

Verfahren zur faellung von cellulosecarbamat

Info

Publication number
DE3534370A1
DE3534370A1 DE19853534370 DE3534370A DE3534370A1 DE 3534370 A1 DE3534370 A1 DE 3534370A1 DE 19853534370 DE19853534370 DE 19853534370 DE 3534370 A DE3534370 A DE 3534370A DE 3534370 A1 DE3534370 A1 DE 3534370A1
Authority
DE
Germany
Prior art keywords
solution
dipl
precipitation
ing
carbamate
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.)
Granted
Application number
DE19853534370
Other languages
German (de)
English (en)
Other versions
DE3534370C2 (fi
Inventor
Vidar Provoo Eklund
Jan Fors
Jouko Provoo Huttunen
Johan-Fredrik Helsinki Selin
Olli T. Turunen
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.)
Neste Oyj
Original Assignee
Neste 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 Neste Oyj filed Critical Neste Oyj
Publication of DE3534370A1 publication Critical patent/DE3534370A1/de
Application granted granted Critical
Publication of DE3534370C2 publication Critical patent/DE3534370C2/de
Granted 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
    • 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)
DE19853534370 1984-09-27 1985-09-26 Verfahren zur faellung von cellulosecarbamat Granted DE3534370A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI843812A FI69851C (fi) 1984-09-27 1984-09-27 Foerfarande foer utfaellning av cellulosakarbamat

Publications (2)

Publication Number Publication Date
DE3534370A1 true DE3534370A1 (de) 1986-04-03
DE3534370C2 DE3534370C2 (fi) 1989-11-23

Family

ID=8519660

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19853534370 Granted DE3534370A1 (de) 1984-09-27 1985-09-26 Verfahren zur faellung von cellulosecarbamat

Country Status (17)

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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004007616A1 (de) * 2004-02-17 2005-09-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Herstellung von Fasern und anderen Formkörpern aus Cellulosecarbamat und/oder regenerierter Cellulose

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19721609A1 (de) * 1997-05-23 1998-11-26 Zimmer Ag Verfahren und Vorrichtung zum Verspinnen von Cellulosecarbamat-Lösungen
CN105517955A (zh) * 2013-07-01 2016-04-20 Ihk纤维公司 纤维素纺丝过程中的碱再循环

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3343156A1 (de) * 1982-12-08 1984-06-14 Neste Oy, Espoo Verfahren zum loesen von cellulosecarbamat

Family Cites Families (5)

* 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 (fi) * 1935-05-15
GB516672A (en) * 1937-08-30 1940-01-09 Du Pont Improvements in or relating to the production of cellulose derivatives
FI64603C (fi) * 1981-12-30 1983-12-12 Neste Oy Foerfarande foer utfaellning av cellulosaderivat
FI66624C (fi) * 1983-11-02 1984-11-12 Neste Oy Foerfarande foer framstaellning av cellulosakarbamatfibrer eller -filmer

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3343156A1 (de) * 1982-12-08 1984-06-14 Neste Oy, Espoo Verfahren zum loesen von cellulosecarbamat

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004007616A1 (de) * 2004-02-17 2005-09-01 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Herstellung von Fasern und anderen Formkörpern aus Cellulosecarbamat und/oder regenerierter Cellulose
DE102004007616B4 (de) * 2004-02-17 2005-12-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Herstellung von Fasern und anderen Formkörpern aus Cellulosecarbamat und/oder regenerierter Cellulose

Also Published As

Publication number Publication date
NO162909B (no) 1989-11-27
CA1266467A (en) 1990-03-06
BR8504744A (pt) 1986-07-22
RO92933A (ro) 1988-03-30
ATA280685A (de) 1990-05-15
AT391709B (de) 1990-11-26
IN164916B (fi) 1989-07-08
RO92933B (ro) 1988-03-31
FI69851B (fi) 1985-12-31
FR2570705A1 (fr) 1986-03-28
NO162909C (no) 1990-03-07
GB2164941B (en) 1988-10-12
JPH0246601B2 (fi) 1990-10-16
DD238984A5 (de) 1986-09-10
GB8523913D0 (en) 1985-10-30
JPS6189201A (ja) 1986-05-07
IT1215310B (it) 1990-01-31
CS673085A2 (en) 1990-12-13
SU1535384A3 (ru) 1990-01-07
SE8504455D0 (sv) 1985-09-26
FI69851C (fi) 1986-05-26
NO853673L (no) 1986-04-01
FI843812A0 (fi) 1984-09-27
CS274607B2 (en) 1991-09-15
GB2164941A (en) 1986-04-03
ZA857172B (en) 1986-05-28
IT8522254A0 (it) 1985-09-24
SE8504455L (sv) 1986-03-28
DE3534370C2 (fi) 1989-11-23
FR2570705B1 (fr) 1988-06-10

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Legal Events

Date Code Title Description
8110 Request for examination paragraph 44
D2 Grant after examination
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee