AT274002B - Verfahren zur Herstellung von abgebauter Alkalicellulose - Google Patents

Verfahren zur Herstellung von abgebauter Alkalicellulose

Info

Publication number
AT274002B
AT274002B AT514867A AT514867A AT274002B AT 274002 B AT274002 B AT 274002B AT 514867 A AT514867 A AT 514867A AT 514867 A AT514867 A AT 514867A AT 274002 B AT274002 B AT 274002B
Authority
AT
Austria
Prior art keywords
production
alkali cellulose
degraded
degraded alkali
cellulose
Prior art date
Application number
AT514867A
Other languages
English (en)
Inventor
Theodor N Dipl Ing Dr Kleinert
Original Assignee
Theodor N Dipl Ing Dr Kleinert
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 Theodor N Dipl Ing Dr Kleinert filed Critical Theodor N Dipl Ing Dr Kleinert
Application granted granted Critical
Publication of AT274002B publication Critical patent/AT274002B/de

Links

Classifications

    • D—TEXTILES; PAPER
    • D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
    • D21C3/00—Pulping cellulose-containing materials
    • D21C3/22—Other features of pulping processes
    • 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
    • C08B15/08—Fractionation of cellulose, e.g. separation of cellulose crystallites

Landscapes

  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Crystallography & Structural Chemistry (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)
  • Paper (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
AT514867A 1963-10-25 1964-10-23 Verfahren zur Herstellung von abgebauter Alkalicellulose AT274002B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA887648 1963-10-25

Publications (1)

Publication Number Publication Date
AT274002B true AT274002B (de) 1969-09-10

Family

ID=4141843

Family Applications (2)

Application Number Title Priority Date Filing Date
AT902164A AT260006B (de) 1963-10-25 1964-10-23 Verfahren zur Herstellung von Zellstoff
AT514867A AT274002B (de) 1963-10-25 1964-10-23 Verfahren zur Herstellung von abgebauter Alkalicellulose

Family Applications Before (1)

Application Number Title Priority Date Filing Date
AT902164A AT260006B (de) 1963-10-25 1964-10-23 Verfahren zur Herstellung von Zellstoff

Country Status (3)

Country Link
US (1) US3255071A (de)
AT (2) AT260006B (de)
DE (1) DE1299517B (de)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4135967A (en) * 1969-09-26 1979-01-23 Societe Generale De Brevets Industriels Et Ohimiques Process for producing cellulose pulp by solid phase digestion
BE756225A (fr) * 1969-09-26 1971-03-01 Brev Ind Et Chimiques Soc Gen Procede de fabrication de pate cellulosique
US4226982A (en) * 1970-09-11 1980-10-07 Blount David H Process to break down cellulose polymers and produce cellular solid or solid reaction products
SE422818B (sv) * 1978-03-31 1982-03-29 Modo Chemetrics Ab Forfarande for foredling av allulosamassa genom blekning eller extrahering
DE2929011A1 (de) * 1979-07-18 1981-02-12 Henkel Kgaa Herstellung von alkylcellulose nach kontinuierlicher verfahrensweise
DE2929002A1 (de) * 1979-07-18 1981-02-12 Henkel Kgaa Verfahren zur herstellung von cellulosederivaten mittels besonders reaktiver alkalicellulose
WO1981003176A1 (en) * 1980-04-28 1981-11-12 D Blount Process to break down cellulose polymers and produce cellular solid or solid reaction products
AU595477B2 (en) * 1983-03-02 1990-04-05 Tag Pulp Industries, S.A. Method for treating lignocellulose materials to obtain cellulose
FR2639370B1 (fr) * 1988-11-21 1995-04-21 Tag Pulp Ind Sa Procede et installation de cuisson en phase solide de matieres lignocellulosiques
US6605350B1 (en) 1996-08-23 2003-08-12 Weyerhaeuser Company Sawdust alkaline pulp having low average degree of polymerization values and method of producing the same
US6306334B1 (en) 1996-08-23 2001-10-23 The Weyerhaeuser Company Process for melt blowing continuous lyocell fibers
US6210801B1 (en) 1996-08-23 2001-04-03 Weyerhaeuser Company Lyocell fibers, and compositions for making same
US6331354B1 (en) 1996-08-23 2001-12-18 Weyerhaeuser Company Alkaline pulp having low average degree of polymerization values and method of producing the same
US6471727B2 (en) 1996-08-23 2002-10-29 Weyerhaeuser Company Lyocell fibers, and compositions for making the same
US6773648B2 (en) 1998-11-03 2004-08-10 Weyerhaeuser Company Meltblown process with mechanical attenuation
US6686039B2 (en) 1999-02-24 2004-02-03 Weyerhaeuser Company Use of thinnings and other low specific gravity wood for lyocell pulps
US6797113B2 (en) * 1999-02-24 2004-09-28 Weyerhaeuser Company Use of thinnings and other low specific gravity wood for lyocell pulps method
US6686040B2 (en) 1999-02-24 2004-02-03 Weyerhaeuser Company Use of thinnings and other low specific gravity wood for lyocell products
US6685856B2 (en) 1999-02-24 2004-02-03 Weyerhaeuser Company Use of thinnings and other low specific gravity wood for lyocell products method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB496887A (en) * 1937-06-07 1938-12-07 Henry Dreyfus Improvements in or relating to the manufacture of cellulose
FR1129642A (fr) * 1955-08-01 1957-01-23 Perfectionnements aux dispositifs pour le traitement continu des produits en bande, notamment des tissus
GB828909A (en) * 1956-03-20 1960-02-24 Walter Philip Williams Steaming and pulping fibrous material

Also Published As

Publication number Publication date
DE1299517B (de) 1969-07-17
US3255071A (en) 1966-06-07
AT260006B (de) 1968-02-12

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