AT384229B - Verfahren zur herstellung von viskosen - Google Patents

Verfahren zur herstellung von viskosen

Info

Publication number
AT384229B
AT384229B AT645879A AT645879A AT384229B AT 384229 B AT384229 B AT 384229B AT 645879 A AT645879 A AT 645879A AT 645879 A AT645879 A AT 645879A AT 384229 B AT384229 B AT 384229B
Authority
AT
Austria
Prior art keywords
viscoses
producing
producing viscoses
Prior art date
Application number
AT645879A
Other languages
German (de)
English (en)
Other versions
ATA645879A (de
Inventor
Klaus Dipl Ing Dr Fischer
Martin Dipl Chem Wilke
Wilfried Dipl Chem Goldberg
Horst Dipl Phys Dr Sendner
Original Assignee
Wolfen Filmfab Veb
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 Wolfen Filmfab Veb filed Critical Wolfen Filmfab Veb
Publication of ATA645879A publication Critical patent/ATA645879A/de
Application granted granted Critical
Publication of AT384229B publication Critical patent/AT384229B/de

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
    • C08B1/08—Alkali cellulose

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Paper (AREA)
AT645879A 1978-10-27 1979-10-03 Verfahren zur herstellung von viskosen AT384229B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DD20870878A DD140747A1 (de) 1978-10-27 1978-10-27 Verfahren zur herstellung von viskosen

Publications (2)

Publication Number Publication Date
ATA645879A ATA645879A (de) 1987-03-15
AT384229B true AT384229B (de) 1987-10-12

Family

ID=5515033

Family Applications (1)

Application Number Title Priority Date Filing Date
AT645879A AT384229B (de) 1978-10-27 1979-10-03 Verfahren zur herstellung von viskosen

Country Status (8)

Country Link
AT (1) AT384229B (ro)
DD (1) DD140747A1 (ro)
DE (1) DE2941624A1 (ro)
FI (1) FI65265C (ro)
PL (1) PL115882B2 (ro)
RO (1) RO77528A (ro)
SE (1) SE7908897L (ro)
YU (1) YU257379A (ro)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4409384A (en) 1981-11-12 1983-10-11 E. I. Du Pont De Nemours And Company Viscose preparation using low concentration caustic
AT402739B (de) * 1995-09-19 1997-08-25 Chemiefaser Lenzing Ag Verfahren zur herstellung eines cellulosischen formkörpers
GB9605073D0 (en) * 1996-03-11 1996-05-08 Hoechst Ag Manufacture of vicose and articles therefrom
GB9620585D0 (en) * 1996-10-03 1996-11-20 Courtaulds Fibres Holdings Ltd Improvements in the manufacture of extruded articles
DE19707387C1 (de) * 1997-02-25 1998-04-02 Hoechst Ag Verfahren zur Herstellung von Viskose
SE511842C2 (sv) * 1997-04-18 1999-12-06 Akzo Nobel Surface Chem Sätt att framställa en viskoslösning
GB9720213D0 (en) 1997-09-23 1997-11-26 Kelheim Faserwerk Gmbh Manufacture of viscose and articles therefrom
US7267744B2 (en) 2001-03-15 2007-09-11 Sappi Limited Pulp treatment and process
GB2493490A (en) * 2011-05-20 2013-02-13 Innovia Films Ltd Process for dissolving and casting non-dissolving cellulose
GB2493488A (en) * 2011-05-20 2013-02-13 Innovia Films Ltd Process for dissolving and casting non-dissolving cellulose
NO2753575T3 (ro) * 2014-02-03 2018-07-28
DE102019134819A1 (de) 2019-12-17 2021-06-17 SAPPI Southern Africa Limited Herstellung einer Alkalicellulose mit einer verbesserten Reaktivität für Derivatisierungsreaktionen sowie Herstellung eines Chemiezellstoffs mit einer verbesserten Reaktivität für Derivatisierungsreaktionen

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DD75636A (ro) *

Also Published As

Publication number Publication date
YU257379A (en) 1982-08-31
FI65265C (fi) 1984-04-10
PL219237A2 (ro) 1980-09-22
ATA645879A (de) 1987-03-15
FI65265B (fi) 1983-12-30
DE2941624A1 (de) 1980-05-08
FI793344A (fi) 1980-04-28
DD140747A1 (de) 1980-03-26
DE2941624C2 (ro) 1988-03-10
RO77528A (ro) 1982-09-09
PL115882B2 (en) 1981-05-30
SE7908897L (sv) 1980-04-28

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Legal Events

Date Code Title Description
EIH Change in the person of patent owner
ELJ Ceased due to non-payment of the annual fee
ELV Ceased due to renunciation