PL115882B2 - Method of viscose manufacture - Google Patents

Method of viscose manufacture Download PDF

Info

Publication number
PL115882B2
PL115882B2 PL21923779A PL21923779A PL115882B2 PL 115882 B2 PL115882 B2 PL 115882B2 PL 21923779 A PL21923779 A PL 21923779A PL 21923779 A PL21923779 A PL 21923779A PL 115882 B2 PL115882 B2 PL 115882B2
Authority
PL
Poland
Prior art keywords
cellulose
viscose
energy
rich
naoh solution
Prior art date
Application number
PL21923779A
Other languages
English (en)
Polish (pl)
Other versions
PL219237A2 (ro
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 PL219237A2 publication Critical patent/PL219237A2/xx
Publication of PL115882B2 publication Critical patent/PL115882B2/pl

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)
PL21923779A 1978-10-27 1979-10-26 Method of viscose manufacture PL115882B2 (en)

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
PL219237A2 PL219237A2 (ro) 1980-09-22
PL115882B2 true PL115882B2 (en) 1981-05-30

Family

ID=5515033

Family Applications (1)

Application Number Title Priority Date Filing Date
PL21923779A PL115882B2 (en) 1978-10-27 1979-10-26 Method of viscose manufacture

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
AT384229B (de) 1987-10-12
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
SE7908897L (sv) 1980-04-28

Similar Documents

Publication Publication Date Title
PL115882B2 (en) Method of viscose manufacture
Östberg et al. Some aspects of the reactivity of pulp intended for high-viscosity viscose.
US2811518A (en) Alkaline refining of wood pulp
US2072487A (en) Purification of cellulosic material
US2394989A (en) Manufacture of cellulose
US3728330A (en) Process for manufacturing cellulose xanthate and viscose prepared from said cellulose xanthate
US2878118A (en) Purified cellulose fiber and process for producing same
EP3093389B1 (en) Dissolving pulp
US1996797A (en) Production of cellulosic products
US2110546A (en) Production of cellulose and cellulosic products
US1880043A (en) Production of high grade chemical pulps
US2074339A (en) Preparation of cellulosic material
US2694631A (en) Process of preparing wood pulp
US2296857A (en) Making artificial structures from xanthates
SU1669916A1 (ru) Способ получени вискозы
US2057163A (en) Preparation of solutions of hydroxy-cellulose ethers
US1764601A (en) Product and process of making the same from sulphite waste liquors
PT87569B (pt) Processo para a preparacao de pastas quimicotermomecanicas
US1854331A (en) Producing pure cellulose from cellulosic raw materials
PT85862B (en) Manufacture of pulp
US1822125A (en) Method for the treatment of cellulosic materials
US2638415A (en) Production of cellulose
US3032548A (en) Methods of treating cellulose
US2106111A (en) Manufacture of alkali cellulose
US1923641A (en) Low viscosity cellulose fiber and process of producing the same