SE461099B - Cykliskt foerfarande foer framstaellning av en alkaliloesning av cellulosakarbamat, foer utfaellning av karbamatet och foer aatervinning av kemikalierna - Google Patents

Cykliskt foerfarande foer framstaellning av en alkaliloesning av cellulosakarbamat, foer utfaellning av karbamatet och foer aatervinning av kemikalierna

Info

Publication number
SE461099B
SE461099B SE8504457A SE8504457A SE461099B SE 461099 B SE461099 B SE 461099B SE 8504457 A SE8504457 A SE 8504457A SE 8504457 A SE8504457 A SE 8504457A SE 461099 B SE461099 B SE 461099B
Authority
SE
Sweden
Prior art keywords
solution
carbamate
sodium hydroxide
cellulose carbamate
precipitation
Prior art date
Application number
SE8504457A
Other languages
English (en)
Swedish (sv)
Other versions
SE8504457L (sv
SE8504457D0 (sv
Inventor
O T Turunen
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 SE8504457D0 publication Critical patent/SE8504457D0/xx
Publication of SE8504457L publication Critical patent/SE8504457L/
Publication of SE461099B publication Critical patent/SE461099B/sv

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)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)
  • Non-Silver Salt Photosensitive Materials And Non-Silver Salt Photography (AREA)
SE8504457A 1984-09-27 1985-09-26 Cykliskt foerfarande foer framstaellning av en alkaliloesning av cellulosakarbamat, foer utfaellning av karbamatet och foer aatervinning av kemikalierna SE461099B (sv)

Applications Claiming Priority (1)

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

Publications (3)

Publication Number Publication Date
SE8504457D0 SE8504457D0 (sv) 1985-09-26
SE8504457L SE8504457L (sv) 1986-03-28
SE461099B true SE461099B (sv) 1990-01-08

Family

ID=8519662

Family Applications (1)

Application Number Title Priority Date Filing Date
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

Country Status (17)

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

Families Citing this family (15)

* 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
US5229506A (en) * 1989-06-12 1993-07-20 Teepak, Inc. Preparation of cellulose aminomethanate
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
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
EP3521248A1 (de) * 2013-07-01 2019-08-07 TreeToTextile AB Alkali-recycling in einem cellulosespinnverfahren
EP3231901A1 (de) * 2016-04-14 2017-10-18 TreeToTextile AB Verfahren zum spinnen aufgelöster cellulose enthaltend das rückgewinnen eines wässrigen natriumhydroxid lösungsmittel für cellulose aus der fällbadablauge
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

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 (de) * 1935-02-14
NL55623C (de) * 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
NO163229C (no) 1990-04-25
JPS6185452A (ja) 1986-05-01
DD238982A5 (de) 1986-09-10
SE8504457L (sv) 1986-03-28
AT389327B (de) 1989-11-27
IT1201468B (it) 1989-02-02
BR8504752A (pt) 1986-07-22
GB8523915D0 (en) 1985-10-30
JPH0455622B2 (de) 1992-09-03
FR2570707B1 (fr) 1988-05-27
ZA857170B (en) 1986-05-28
US4639515A (en) 1987-01-27
CA1236095A (en) 1988-05-03
FR2570707A1 (fr) 1986-03-28
CS673185A2 (en) 1990-12-13
NO163229B (no) 1990-01-15
GB2164943B (en) 1988-08-10
RO92931A (ro) 1987-11-30
ATA280785A (de) 1989-04-15
NO853794L (no) 1986-04-01
SE8504457D0 (sv) 1985-09-26
DE3534357C2 (de) 1988-12-01
DE3534357A1 (de) 1986-04-03
FI69853B (fi) 1985-12-31
GB2164943A (en) 1986-04-03
IT8522253A0 (it) 1985-09-24
FI843814A0 (fi) 1984-09-27
FI69853C (fi) 1986-05-26
IN164447B (de) 1989-03-18

Similar Documents

Publication Publication Date Title
SE461099B (sv) Cykliskt foerfarande foer framstaellning av en alkaliloesning av cellulosakarbamat, foer utfaellning av karbamatet och foer aatervinning av kemikalierna
US11208739B2 (en) Process for spinning dissolved cellulose
CH636843A5 (de) Verfahren zur herstellung von d(-)alpha-phenylglycin.
FI69852C (fi) Cykliskt foerfarande foer framstaellning av en alkaliloesning av cellulosakarbamat foer utfaellning av karbamatet och foeraotervinning av kemikalierna
GB2164941A (en) Process for precipitating cellulose carbamate
US1793649A (en) Process for maintaining the composition of viscose precipitating baths containing magnesium sulphate
JP3333835B2 (ja) 次亜燐酸塩化合物の製造方法
EP1230159A1 (de) Verfahren zur herstellung von natriumbikarbonat mit nahrungsmittelqualität
AT249007B (de) Verfahren zur Herstellung von Borax aus Calciumborat- oder Calciumnatriumborat-Mineralien
DE950728C (de) Verfahren zur Gewinnung von Glutaminsaeure aus Abfallaugen von Ruebenzuckermelassen
DE839643C (de) Verfahren zur Reinigung von p-Aminosalicylsaeure
TW202344728A (zh) 纖維素胺甲酸酯長絲或纖維的製造方法
DE741684C (de) Verfahren zur Gewinnung von reinen wasserloeslichen Aminosaeuren
DE874900C (de) Verfahren zur Herstellung von Tonerde
DE310611C (de)
AT80632B (de) Verfahren zur Reinigung von technischer MilchsäureVerfahren zur Reinigung von technischer Milchsäure. .
SU1221221A1 (ru) Композици дл формовани гидратцеллюлозных волокон и способ ее получени
DE929304C (de) Verfahren zur Herstellung von Soda oder AEtznatron und Ammonsulfat
DE968212C (de) Verfahren zur Herstellung von Guanididen organischer Sulfosaeuren
JPS6148588A (ja) ニツケルめつき排水をニツケルの電解精製用補給液として再生する方法
DE614604C (de) Verfahren zur Vorbehandlung von Hautbloessen
FR2750413A1 (fr) Procede d'obtention de borate de calcium purifie et produit obtenu
DE1065974B (de)
DE2206677A1 (de) Verfahren zur herstellung von hochreinen waessrigen dinatriumsalzloesungen des tetrachlorbisphenol a
JPS6072856A (ja) 高純度ｓ−カルボキシメチル−ｌ−システインの製造法

Legal Events

Date Code Title Description
NUG Patent has lapsed

Ref document number: 8504457-6

Effective date: 19920408

Format of ref document f/p: F