FI843814A0 - Cyklisk process foer framstaellning av en alkaliloesning av cellulosakarbamat foer utfaellning av karbamaten och foer aotervinning av kemikalierna. - Google Patents

Cyklisk process foer framstaellning av en alkaliloesning av cellulosakarbamat foer utfaellning av karbamaten och foer aotervinning av kemikalierna.

Info

Publication number
FI843814A0
FI843814A0 FI843814A FI843814A FI843814A0 FI 843814 A0 FI843814 A0 FI 843814A0 FI 843814 A FI843814 A FI 843814A FI 843814 A FI843814 A FI 843814A FI 843814 A0 FI843814 A0 FI 843814A0
Authority
FI
Finland
Prior art keywords
foer
utfaellning
kemikalierna
karbamaten
cellulosakarbamat
Prior art date
Application number
FI843814A
Other languages
English (en)
Other versions
FI69853B (fi
FI69853C (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 FI843814A0 publication Critical patent/FI843814A0/fi
Priority to FI843814A priority Critical patent/FI69853C/fi
Priority to ZA857170A priority patent/ZA857170B/xx
Priority to CS856731A priority patent/CS673185A2/cs
Priority to IN675/CAL/85A priority patent/IN164447B/en
Priority to US06/779,798 priority patent/US4639515A/en
Priority to IT22253/85A priority patent/IT1201468B/it
Priority to DD85281019A priority patent/DD238982A5/de
Priority to SE8504457A priority patent/SE461099B/sv
Priority to DE19853534357 priority patent/DE3534357A1/de
Priority to CA000491574A priority patent/CA1236095A/en
Priority to BR8504752A priority patent/BR8504752A/pt
Priority to NO853794A priority patent/NO163229C/no
Priority to AT0280785A priority patent/AT389327B/de
Priority to JP60214409A priority patent/JPS6185452A/ja
Priority to RO85120223A priority patent/RO92931A/ro
Priority to FR8514368A priority patent/FR2570707B1/fr
Priority to GB08523915A priority patent/GB2164943B/en
Publication of FI69853B publication Critical patent/FI69853B/fi
Application granted granted Critical
Publication of FI69853C publication Critical patent/FI69853C/fi

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D01F2/24—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives
    • 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
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P20/00—Technologies relating to chemical industry
    • Y02P20/50—Improvements relating to the production of bulk chemicals
    • Y02P20/582—Recycling of unreacted starting or intermediate materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Textile Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Artificial Filaments (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Manufacture Of Porous Articles, And Recovery And Treatment Of Waste Products (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
FI843814A 1984-09-27 1984-09-27 Cykliskt foerfarande foer framstaellning av en alkaliloesning av cellulosakarbamat foer utfaellning av karbamatet och foeraotervinning av kemikalierna FI69853C (fi)

Priority Applications (17)

Application Number Priority Date Filing Date Title
FI843814A FI69853C (fi) 1984-09-27 1984-09-27 Cykliskt foerfarande foer framstaellning av en alkaliloesning av cellulosakarbamat foer utfaellning av karbamatet och foeraotervinning av kemikalierna
ZA857170A ZA857170B (en) 1984-09-27 1985-09-18 Cyclic process for producing alkali solution of cellulose carbamate,precipitating the carbamate and recovering the chemicals
CS856731A CS673185A2 (en) 1984-09-27 1985-09-20 Method of cellulose's carbamate precipitation from alkaline solution with chemicals' regeneration and recycling
IN675/CAL/85A IN164447B (fi) 1984-09-27 1985-09-23
US06/779,798 US4639515A (en) 1984-09-27 1985-09-24 Cyclic process for producing an alkali solution of cellulose carbamate and precipitating the carbamate
IT22253/85A IT1201468B (it) 1984-09-27 1985-09-24 Procedimento ciclico per produrre soluzioni alcaline di carbammato di cellulosa,precipitare il carbammato e recuperare i prodotti chimici
DD85281019A DD238982A5 (de) 1984-09-27 1985-09-25 Zyklisches verfahren zur herstellung alkalischer loesungen von cellulosecarbamat
DE19853534357 DE3534357A1 (de) 1984-09-27 1985-09-26 Zyklisches verfahren zur herstellung einer alkalischen loesung von cellulosecarbamat, zur faellung des carbamats und zur rueckgewinnung der chemikalien
SE8504457A SE461099B (sv) 1984-09-27 1985-09-26 Cykliskt foerfarande foer framstaellning av en alkaliloesning av cellulosakarbamat, foer utfaellning av karbamatet och foer aatervinning av kemikalierna
CA000491574A CA1236095A (en) 1984-09-27 1985-09-26 Cyclic process for producing alkali solution of cellulose carbamate, precipitating the carbamate and recovering the chemicals
BR8504752A BR8504752A (pt) 1984-09-27 1985-09-26 Processo ciclico para a producao de uma solucao alcalina de carbamato de celulose,para a precipitacao do carbamato de celulose da solucao alcalina e para a recuperacao e reciclagem dos produtos quimicos
NO853794A NO163229C (no) 1984-09-27 1985-09-26 Fremgangsmaate for utfelling av cellulosekarbamat fra en vannopploesning.
AT0280785A AT389327B (de) 1984-09-27 1985-09-26 Zyklisches verfahren zur herstellung einer alkaliloesung von zellulosecarbamat
JP60214409A JPS6185452A (ja) 1984-09-27 1985-09-27 セルロースカルバミン酸塩紡糸用循環操作方法
RO85120223A RO92931A (ro) 1984-09-27 1985-09-27 Procedeu ciclic pentru prepararea solutiei alcaline de carbamat de celuloza
FR8514368A FR2570707B1 (fr) 1984-09-27 1985-09-27 Procede cyclique pour la preparation d'une solution d'alcali de carbamate de cellulose, pour precipiter le carbamate et pour recuperer les produits chimiques
GB08523915A GB2164943B (en) 1984-09-27 1985-09-27 Improvements in carbamate production

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FI843814 1984-09-27
FI843814A FI69853C (fi) 1984-09-27 1984-09-27 Cykliskt foerfarande foer framstaellning av en alkaliloesning av cellulosakarbamat foer utfaellning av karbamatet och foeraotervinning av kemikalierna

Publications (3)

Publication Number Publication Date
FI843814A0 true FI843814A0 (fi) 1984-09-27
FI69853B FI69853B (fi) 1985-12-31
FI69853C FI69853C (fi) 1986-05-26

Family

ID=8519662

Family Applications (1)

Application Number Title Priority Date Filing Date
FI843814A FI69853C (fi) 1984-09-27 1984-09-27 Cykliskt foerfarande foer framstaellning av en alkaliloesning av cellulosakarbamat foer utfaellning av karbamatet och foeraotervinning av kemikalierna

Country Status (17)

Country Link
US (1) US4639515A (fi)
JP (1) JPS6185452A (fi)
AT (1) AT389327B (fi)
BR (1) BR8504752A (fi)
CA (1) CA1236095A (fi)
CS (1) CS673185A2 (fi)
DD (1) DD238982A5 (fi)
DE (1) DE3534357A1 (fi)
FI (1) FI69853C (fi)
FR (1) FR2570707B1 (fi)
GB (1) GB2164943B (fi)
IN (1) IN164447B (fi)
IT (1) IT1201468B (fi)
NO (1) NO163229C (fi)
RO (1) RO92931A (fi)
SE (1) SE461099B (fi)
ZA (1) ZA857170B (fi)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5215125A (en) * 1987-03-13 1993-06-01 Teepak, Inc. Cellulose aminomethanate sausage casings
US4789006A (en) * 1987-03-13 1988-12-06 Teepak, Inc. Cellulose aminomethanate sausage casings
US4997933A (en) * 1989-06-12 1991-03-05 Teepak, Inc. Cellulose aminomethanate by acid neutralization
US4997934A (en) * 1989-06-12 1991-03-05 Teepak, Inc. Cellulose aminomethanate by weight loss monitoring
US5229506A (en) * 1989-06-12 1993-07-20 Teepak, Inc. Preparation of cellulose aminomethanate
US4999425A (en) * 1989-06-12 1991-03-12 Teepak, Inc. Cellulose aminomethanate by ion-exchange extraction
US7133846B1 (en) * 1995-02-13 2006-11-07 Intertrust Technologies Corp. Digital certificate support system, methods and techniques for secure electronic commerce transaction and rights management
DE19721609A1 (de) * 1997-05-23 1998-11-26 Zimmer Ag Verfahren und Vorrichtung zum Verspinnen von Cellulosecarbamat-Lösungen
DE19757958A1 (de) * 1997-12-24 1999-07-01 Lurgi Zimmer Ag Verfahren zur Herstellung einer Cellulosecarbamatlösung
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
CN100516326C (zh) * 2007-08-20 2009-07-22 中国科学院新疆理化技术研究所 纤维素氨基甲酸酯纤维的制备方法
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
EP3231901A1 (en) * 2016-04-14 2017-10-18 TreeToTextile AB Process for spinning dissolved cellulose comprising recovering an aqueous sodium hydroxide cellulose solvent from the spent coagulation bath liquid
WO2020231315A1 (en) * 2019-05-15 2020-11-19 Treetotextile Ab Recovery of chemicals in cellulose spinning
CN112390281A (zh) * 2020-10-30 2021-02-23 冉国庆 一种从纤维素氨基甲酸酯（cc）纤维凝固浴中回收氧化锌的方法及应用
WO2024146979A1 (en) * 2023-01-05 2024-07-11 Infinited Fiber Company Oy Method of recycling an aqueous alkaline spin bath

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2103639A (en) * 1934-02-09 1937-12-28 Brown Co Precipitation or setting of hydroxycellulose ethers from alkaline aqueous solutions
NL54005C (fi) * 1935-02-14
BE415565A (fi) * 1935-05-15
GB516672A (en) * 1937-08-30 1940-01-09 Du Pont Improvements in or relating to the production of cellulose derivatives
US2283809A (en) * 1940-02-24 1942-05-19 Du Pont Method of coagulating cellulosic solutions
US2371359A (en) * 1941-12-30 1945-03-13 Battelle Memorial Institute Method of producing solution containing cellulosic material
FI62318C (fi) * 1981-01-27 1982-12-10 Neste Oy Foerfarande foer framstaellning av ett alkaliloesligt cellulosaderivat
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
FI67562C (fi) * 1984-03-12 1985-04-10 Neste Oy Foerfarande foer framstaellning av cellulosakarbamat

Also Published As

Publication number Publication date
FR2570707A1 (fr) 1986-03-28
CS673185A2 (en) 1990-12-13
FI69853B (fi) 1985-12-31
NO163229C (no) 1990-04-25
IT8522253A0 (it) 1985-09-24
GB2164943A (en) 1986-04-03
CA1236095A (en) 1988-05-03
SE8504457L (sv) 1986-03-28
SE8504457D0 (sv) 1985-09-26
BR8504752A (pt) 1986-07-22
NO853794L (no) 1986-04-01
FR2570707B1 (fr) 1988-05-27
JPS6185452A (ja) 1986-05-01
AT389327B (de) 1989-11-27
DE3534357A1 (de) 1986-04-03
NO163229B (no) 1990-01-15
ZA857170B (en) 1986-05-28
RO92931A (ro) 1987-11-30
SE461099B (sv) 1990-01-08
DE3534357C2 (fi) 1988-12-01
GB2164943B (en) 1988-08-10
IN164447B (fi) 1989-03-18
FI69853C (fi) 1986-05-26
DD238982A5 (de) 1986-09-10
JPH0455622B2 (fi) 1992-09-03
IT1201468B (it) 1989-02-02
GB8523915D0 (en) 1985-10-30
ATA280785A (de) 1989-04-15
US4639515A (en) 1987-01-27

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: NESTE OY