BR8306734A - Processo para aperfeicoar a solubilidade de carbamato de celulose em alcali - Google Patents

Processo para aperfeicoar a solubilidade de carbamato de celulose em alcali

Info

Publication number
BR8306734A
BR8306734A BR8306734A BR8306734A BR8306734A BR 8306734 A BR8306734 A BR 8306734A BR 8306734 A BR8306734 A BR 8306734A BR 8306734 A BR8306734 A BR 8306734A BR 8306734 A BR8306734 A BR 8306734A
Authority
BR
Brazil
Prior art keywords
solubility
alkali
improve
cellulose carbamate
carbamate
Prior art date
Application number
BR8306734A
Other languages
English (en)
Inventor
Johan Selin
Jouko Huttunen
Olli Turunen
Vidar Eklund
Kurt Ekman
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 BR8306734A publication Critical patent/BR8306734A/pt

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B16/00—Regeneration of cellulose
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00—Use of organic ingredients
    • C08K5/16—Nitrogen-containing compounds
    • C08K5/21—Urea; Derivatives thereof, e.g. biuret

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Biochemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Artificial Filaments (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
BR8306734A 1982-12-08 1983-12-07 Processo para aperfeicoar a solubilidade de carbamato de celulose em alcali BR8306734A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI824215A FI67561C (fi) 1982-12-08 1982-12-08 Foerfarande foer upploesning av cellulosakarbamat

Publications (1)

Publication Number Publication Date
BR8306734A true BR8306734A (pt) 1984-07-17

Family

ID=8516425

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8306734A BR8306734A (pt) 1982-12-08 1983-12-07 Processo para aperfeicoar a solubilidade de carbamato de celulose em alcali

Country Status (16)

Country Link
US (1) US4526620A (pt)
JP (1) JPS59115334A (pt)
AT (1) AT383354B (pt)
BR (1) BR8306734A (pt)
CA (1) CA1215802A (pt)
DD (1) DD214135A5 (pt)
DE (1) DE3343156A1 (pt)
FI (1) FI67561C (pt)
FR (1) FR2537587B1 (pt)
GB (1) GB2131436B (pt)
IN (1) IN159663B (pt)
IT (1) IT1212846B (pt)
NO (1) NO158258C (pt)
RO (1) RO88667A2 (pt)
SE (1) SE459179B (pt)
SU (1) SU1436889A3 (pt)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI67562C (fi) * 1984-03-12 1985-04-10 Neste Oy Foerfarande foer framstaellning av cellulosakarbamat
FI69853C (fi) * 1984-09-27 1986-05-26 Neste Oy Cykliskt foerfarande foer framstaellning av en alkaliloesning av cellulosakarbamat foer utfaellning av karbamatet och foeraotervinning av kemikalierna
FI69851C (fi) * 1984-09-27 1986-05-26 Neste Oy Foerfarande foer utfaellning av cellulosakarbamat
FI69852C (fi) * 1984-09-27 1986-05-26 Neste Oy Cykliskt foerfarande foer framstaellning av en alkaliloesning av cellulosakarbamat foer utfaellning av karbamatet och foeraotervinning av kemikalierna
US4756755A (en) * 1985-06-14 1988-07-12 Harding Jr Norman T Rodent repellent liquids
US4789006A (en) * 1987-03-13 1988-12-06 Teepak, Inc. Cellulose aminomethanate sausage casings
US5215125A (en) * 1987-03-13 1993-06-01 Teepak, Inc. Cellulose aminomethanate sausage casings
US4762564A (en) * 1987-03-13 1988-08-09 Teepak, Inc. Reinforced cellulose aminomethanate
US4777249A (en) * 1987-03-13 1988-10-11 Teepak, Inc. Crosslinked cellulose aminomethanate
US4934920A (en) * 1987-06-17 1990-06-19 Mitsubishi Denki Kabushiki Kaisha Apparatus for producing semiconductor device
US4997933A (en) * 1989-06-12 1991-03-05 Teepak, Inc. Cellulose aminomethanate by acid neutralization
US4999425A (en) * 1989-06-12 1991-03-12 Teepak, Inc. Cellulose aminomethanate by ion-exchange extraction
US5229506A (en) * 1989-06-12 1993-07-20 Teepak, Inc. Preparation of cellulose aminomethanate
US4997934A (en) * 1989-06-12 1991-03-05 Teepak, Inc. Cellulose aminomethanate by weight loss monitoring
DE19757958A1 (de) 1997-12-24 1999-07-01 Lurgi Zimmer Ag Verfahren zur Herstellung einer Cellulosecarbamatlösung
DE19835688A1 (de) * 1998-08-07 2000-02-10 Piesteritz Stickstoff Verfahren zur Herstellung von Cellulosecarbamat
CN1112396C (zh) * 2000-04-17 2003-06-25 武汉大学 纤维素膜制备方法
DE10223174A1 (de) * 2002-05-24 2003-12-11 Fraunhofer Ges Forschung Verfahren zur Herstellung von Cellulosecarbamatformkörpern
CN1282773C (zh) * 2005-05-30 2006-11-01 武汉大学 二步凝固浴法制备再生纤维素纤维的方法
FI118689B (fi) * 2005-11-23 2008-02-15 Valtion Teknillinen Menetelmä selluloosakarbamaattiliuoksen valmistamiseksi
CA3055372A1 (en) * 2017-03-15 2018-09-20 Treetotextile Ab Regenerated cellulosic fibres spun from an aqueous alkaline spindope
WO2018213117A1 (en) * 2017-05-14 2018-11-22 Washington State University Environmentally friendly cellulose waste recycling
IT201900002479A1 (it) * 2019-02-20 2020-08-20 Montefibre Mae Tech S R L Processo di produzione di derivati della cellulosa

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB217166A (en) * 1923-06-05 1924-09-29 Leon Lilienfeld Cellulose solutions and process for their production
US2129708A (en) * 1937-07-01 1938-09-13 Du Pont Urea cellulose solutions
US2134825A (en) * 1937-08-30 1938-11-01 Du Pont Chemical process
US3447939A (en) * 1966-09-02 1969-06-03 Eastman Kodak Co Compounds dissolved in cyclic amine oxides
US4278790A (en) * 1978-07-31 1981-07-14 Hopkins Agricultural Chemical Co. Novel cellulose solutions
FI62318C (fi) * 1981-01-27 1982-12-10 Neste Oy Foerfarande foer framstaellning av ett alkaliloesligt cellulosaderivat

Also Published As

Publication number Publication date
FR2537587B1 (fr) 1988-08-26
IN159663B (pt) 1987-05-30
GB2131436B (en) 1986-05-14
FI824215A0 (fi) 1982-12-08
FI67561B (fi) 1984-12-31
NO158258B (no) 1988-05-02
DE3343156A1 (de) 1984-06-14
US4526620A (en) 1985-07-02
JPH0316965B2 (pt) 1991-03-06
SE8306744D0 (sv) 1983-12-07
GB8331105D0 (en) 1983-12-29
IT8324048A0 (it) 1983-12-06
DD214135A5 (de) 1984-10-03
JPS59115334A (ja) 1984-07-03
DE3343156C2 (pt) 1987-06-25
CA1215802A (en) 1986-12-30
IT1212846B (it) 1989-11-30
SU1436889A3 (ru) 1988-11-07
NO158258C (no) 1988-08-10
RO88667A2 (ro) 1986-02-28
FR2537587A1 (fr) 1984-06-15
FI67561C (fi) 1985-04-10
GB2131436A (en) 1984-06-20
SE8306744L (sv) 1984-06-09
FI824215L (fi) 1984-06-09
SE459179B (sv) 1989-06-12
ATA408183A (de) 1986-11-15
AT383354B (de) 1987-06-25
NO834501L (no) 1984-06-12

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Legal Events

Date Code Title Description
MM Lapse due to non-payment of fees (art. 50)
B15K Others concerning applications: alteration of classification

Free format text: PROCEDIMENTO AUTOMATICO DE RECLASSIFICACAO. AS CLASSIFICACOES IPC ANTERIORES ERAM: C08L 1/00; C08J 3/06; C08K 5/21; C08B 15/06.

Ipc: C08B 16/00 (2006.01), C08K 5/21 (2006.01), C08L 1/

Ipc: C08B 16/00 (2006.01), C08K 5/21 (2006.01), C08L 1/