AT274002B - Verfahren zur Herstellung von abgebauter Alkalicellulose - Google Patents
Verfahren zur Herstellung von abgebauter AlkalicelluloseInfo
- 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
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)
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)
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)
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 |
-
1963
- 1963-10-28 US US319405A patent/US3255071A/en not_active Expired - Lifetime
-
1964
- 1964-10-22 DE DEK54327A patent/DE1299517B/de active Pending
- 1964-10-23 AT AT902164A patent/AT260006B/de active
- 1964-10-23 AT AT514867A patent/AT274002B/de active
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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