FI69851C - Foerfarande foer utfaellning av cellulosakarbamat - Google Patents

Foerfarande foer utfaellning av cellulosakarbamat Download PDF

Info

Publication number
FI69851C
FI69851C FI843812A FI843812A FI69851C FI 69851 C FI69851 C FI 69851C FI 843812 A FI843812 A FI 843812A FI 843812 A FI843812 A FI 843812A FI 69851 C FI69851 C FI 69851C
Authority
FI
Finland
Prior art keywords
solution
sodium hydroxide
precipitation
carbamate
weight
Prior art date
Application number
FI843812A
Other languages
English (en)
Finnish (fi)
Other versions
FI843812A0 (fi
FI69851B (fi
Inventor
Olli T Turunen
Jouko Huttunen
Johan-Fredrik 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 FI843812A0 publication Critical patent/FI843812A0/fi
Priority to FI843812A priority Critical patent/FI69851C/fi
Priority to ZA857172A priority patent/ZA857172B/xx
Priority to NO853673A priority patent/NO162909C/no
Priority to CS673085A priority patent/CS274607B2/cs
Priority to IN673/CAL/85A priority patent/IN164916B/en
Priority to IT8522254A priority patent/IT1215310B/it
Priority to DD85281018A priority patent/DD238984A5/de
Priority to SE8504455A priority patent/SE8504455L/
Priority to CA000491569A priority patent/CA1266467A/en
Priority to AT0280685A priority patent/AT391709B/de
Priority to SU853957508A priority patent/SU1535384A3/ru
Priority to DE19853534370 priority patent/DE3534370A1/de
Priority to BR8504744A priority patent/BR8504744A/pt
Priority to FR8514366A priority patent/FR2570705B1/fr
Priority to JP60214407A priority patent/JPS6189201A/ja
Priority to RO120224A priority patent/RO92933B/ro
Priority to GB08523913A priority patent/GB2164941B/en
Application granted granted Critical
Publication of FI69851B publication Critical patent/FI69851B/fi
Publication of FI69851C publication Critical patent/FI69851C/fi

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)
FI843812A 1984-09-27 1984-09-27 Foerfarande foer utfaellning av cellulosakarbamat FI69851C (fi)

Priority Applications (17)

Application Number Priority Date Filing Date Title
FI843812A FI69851C (fi) 1984-09-27 1984-09-27 Foerfarande foer utfaellning av cellulosakarbamat
ZA857172A ZA857172B (en) 1984-09-27 1985-09-18 Procedure for precipitating cellulose carbamate
NO853673A NO162909C (no) 1984-09-27 1985-09-19 Fremgangsmaate for utfelling av cellulosekarbamat.
CS673085A CS274607B2 (en) 1984-09-27 1985-09-20 Method of cellulose's carbamate precipitation
IN673/CAL/85A IN164916B (en, 2012) 1984-09-27 1985-09-23
IT8522254A IT1215310B (it) 1984-09-27 1985-09-24 Carbammato di cellulosa. procedimento per precipitare
DD85281018A DD238984A5 (de) 1984-09-27 1985-09-25 Verfahren zur faellung von cellulosecarbamat
CA000491569A CA1266467A (en) 1984-09-27 1985-09-26 Procedure for precipitating cellulose carbamate
SE8504455A SE8504455L (sv) 1984-09-27 1985-09-26 Forfarande for utfellning av cellulosakarbamat
AT0280685A AT391709B (de) 1984-09-27 1985-09-26 Verfahren zur faellung von zellulosecarbamat aus einer alkalischen loesung
SU853957508A SU1535384A3 (ru) 1984-09-27 1985-09-26 Способ получени карбаматцеллюлозных волокон
DE19853534370 DE3534370A1 (de) 1984-09-27 1985-09-26 Verfahren zur faellung von cellulosecarbamat
BR8504744A BR8504744A (pt) 1984-09-27 1985-09-26 Processo para precipitacao de carbamato de celulose de uma solucao alcalina
FR8514366A FR2570705B1 (fr) 1984-09-27 1985-09-27 Procede pour precipiter le carbamate de cellulose
JP60214407A JPS6189201A (ja) 1984-09-27 1985-09-27 セルロースカルバメートの沈殿方法
RO120224A RO92933B (ro) 1984-09-27 1985-09-27 Procedeu pentru precipitarea celulozei carbamat
GB08523913A GB2164941B (en) 1984-09-27 1985-09-27 Process for precipitating cellulose carbamate

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI843812A FI69851C (fi) 1984-09-27 1984-09-27 Foerfarande foer utfaellning av cellulosakarbamat
FI843812 1984-09-27

Publications (3)

Publication Number Publication Date
FI843812A0 FI843812A0 (fi) 1984-09-27
FI69851B FI69851B (fi) 1985-12-31
FI69851C true FI69851C (fi) 1986-05-26

Family

ID=8519660

Family Applications (1)

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

Country Status (17)

Country Link
JP (1) JPS6189201A (en, 2012)
AT (1) AT391709B (en, 2012)
BR (1) BR8504744A (en, 2012)
CA (1) CA1266467A (en, 2012)
CS (1) CS274607B2 (en, 2012)
DD (1) DD238984A5 (en, 2012)
DE (1) DE3534370A1 (en, 2012)
FI (1) FI69851C (en, 2012)
FR (1) FR2570705B1 (en, 2012)
GB (1) GB2164941B (en, 2012)
IN (1) IN164916B (en, 2012)
IT (1) IT1215310B (en, 2012)
NO (1) NO162909C (en, 2012)
RO (1) RO92933B (en, 2012)
SE (1) SE8504455L (en, 2012)
SU (1) SU1535384A3 (en, 2012)
ZA (1) ZA857172B (en, 2012)

Families Citing this family (5)

* 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
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
EP3016908A1 (en) * 2013-07-01 2016-05-11 IHK Fibre AB Alkali recycle in cellulose spinning process
CN116163025A (zh) * 2023-03-24 2023-05-26 赣南师范大学 含天然高分子的溶液凝固成型方法和长纤维纺丝方法
CN117026395A (zh) * 2023-08-08 2023-11-10 赣南师范大学 一种基于湿法纺丝制备再生纤维素纤维的方法及再生纤维素纤维

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, 2012) * 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
FI67561C (fi) * 1982-12-08 1985-04-10 Neste Oy Foerfarande foer upploesning av cellulosakarbamat
FI66624C (fi) * 1983-11-02 1984-11-12 Neste Oy Foerfarande foer framstaellning av cellulosakarbamatfibrer eller -filmer

Also Published As

Publication number Publication date
SU1535384A3 (ru) 1990-01-07
NO162909C (no) 1990-03-07
RO92933B (ro) 1988-03-31
JPS6189201A (ja) 1986-05-07
GB8523913D0 (en) 1985-10-30
DE3534370A1 (de) 1986-04-03
NO162909B (no) 1989-11-27
RO92933A (ro) 1988-03-30
FI843812A0 (fi) 1984-09-27
CS274607B2 (en) 1991-09-15
FR2570705A1 (fr) 1986-03-28
GB2164941A (en) 1986-04-03
FR2570705B1 (fr) 1988-06-10
CA1266467A (en) 1990-03-06
CS673085A2 (en) 1990-12-13
DE3534370C2 (en, 2012) 1989-11-23
ATA280685A (de) 1990-05-15
DD238984A5 (de) 1986-09-10
IT8522254A0 (it) 1985-09-24
SE8504455D0 (sv) 1985-09-26
BR8504744A (pt) 1986-07-22
NO853673L (no) 1986-04-01
IT1215310B (it) 1990-01-31
AT391709B (de) 1990-11-26
ZA857172B (en) 1986-05-28
GB2164941B (en) 1988-10-12
JPH0246601B2 (en, 2012) 1990-10-16
SE8504455L (sv) 1986-03-28
FI69851B (fi) 1985-12-31
IN164916B (en, 2012) 1989-07-08

Similar Documents

Publication Publication Date Title
CA2915765C (en) Alkali recycle in cellulose spinning process
FI64603B (fi) Foerfarande foer utfaellning av cellulosaderivat
US4270914A (en) Process for controlling hemicellulose concentration during the mercerization of cellulose
JP7685265B2 (ja) Ｎｍｍｏの精製方法、システムおよび得られたｎｍｍｏ水和物結晶
FI69853B (fi) Cykliskt foerfarande foer framstaellning av en alkaliloesning av cellulosakarbamat foer utfaellning av karbamatet och foeraotervinning av kemikalierna
FI69851C (fi) Foerfarande foer utfaellning av cellulosakarbamat
FI69852B (fi) Cykliskt foerfarande foer framstaellning av en alkaliloesning av cellulosakarbamat foer utfaellning av karbamatet och foeraotervinning av kemikalierna
FI60569B (fi) Foerfarande foer tillverkning av regenererade cellulosaprodukter och aotervinning av loesningskemikalier
DE2132922B2 (de) Verfahren zur herstellung von natriumcarbonat-monohydrat aus einer nach dem diaphragmen-verfahren gebildeten natronlauge
US2103639A (en) Precipitation or setting of hydroxycellulose ethers from alkaline aqueous solutions
CA2230050A1 (en) Process for preparation of an aqueous solution of n-methylmorpholin-n-oxide
GB190321030A (en) An Improved Method of Refining or Purifying Viscose.
SK389391A3 (en) Method of preparing of pulse-shaping networks from cellulose derivatives
NO156529B (no) Fremgangsmaate for utfelling av cellulosekarbamat.
FI951576L (fi) Menetelmä kemikaalin talteenottamiseksi

Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: NESTE OY