IT1101441B - Processo per produrre una cellulosa formabile,e prodotti cellulosici formati - Google Patents
Processo per produrre una cellulosa formabile,e prodotti cellulosici formatiInfo
- Publication number
- IT1101441B IT1101441B IT30209/78A IT3020978A IT1101441B IT 1101441 B IT1101441 B IT 1101441B IT 30209/78 A IT30209/78 A IT 30209/78A IT 3020978 A IT3020978 A IT 3020978A IT 1101441 B IT1101441 B IT 1101441B
- Authority
- IT
- Italy
- Prior art keywords
- cellulose
- producing
- formable
- products
- cellulose products
- Prior art date
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
- C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
- C08B1/00—Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
- C08B1/003—Preparation of cellulose solutions, i.e. dopes, with different possible solvents, e.g. ionic liquids
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L1/00—Compositions of cellulose, modified cellulose or cellulose derivatives
- C08L1/02—Cellulose; Modified cellulose
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
- D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Health & Medical Sciences (AREA)
- Materials Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Textile Engineering (AREA)
- Artificial Filaments (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US05/854,957 US4145532A (en) | 1977-11-25 | 1977-11-25 | Process for making precipitated cellulose |
US05/938,907 US4196282A (en) | 1977-11-25 | 1978-09-01 | Process for making a shapeable cellulose and shaped cellulose products |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7830209A0 IT7830209A0 (it) | 1978-11-24 |
IT1101441B true IT1101441B (it) | 1985-09-28 |
Family
ID=27127269
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT30209/78A IT1101441B (it) | 1977-11-25 | 1978-11-24 | Processo per produrre una cellulosa formabile,e prodotti cellulosici formati |
Country Status (19)
Country | Link |
---|---|
US (1) | US4196282A (it) |
JP (1) | JPS5499148A (it) |
AT (1) | AT376986B (it) |
AU (1) | AU4181078A (it) |
CA (1) | CA1111206A (it) |
DE (1) | DE2848471C2 (it) |
DK (1) | DK525678A (it) |
ES (1) | ES476575A1 (it) |
FI (1) | FI69876C (it) |
FR (1) | FR2423559B1 (it) |
GB (1) | GB2010279B (it) |
IN (1) | IN150398B (it) |
IT (1) | IT1101441B (it) |
LU (1) | LU80571A1 (it) |
NL (1) | NL7811571A (it) |
NO (1) | NO783963L (it) |
RO (1) | RO77343A (it) |
SE (1) | SE443793B (it) |
TR (1) | TR20125A (it) |
Families Citing this family (64)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4246221A (en) * | 1979-03-02 | 1981-01-20 | Akzona Incorporated | Process for shaped cellulose article prepared from a solution containing cellulose dissolved in a tertiary amine N-oxide solvent |
US4416698A (en) * | 1977-07-26 | 1983-11-22 | Akzona Incorporated | Shaped cellulose article prepared from a solution containing cellulose dissolved in a tertiary amine N-oxide solvent and a process for making the article |
US4290815A (en) * | 1980-01-28 | 1981-09-22 | Akzona Incorporated | Use of co-solvents in amine N-oxide solutions |
DE3021943A1 (de) * | 1980-06-12 | 1982-01-21 | Akzo Gmbh, 5600 Wuppertal | Dialysemembran aus cellulose |
FR2578865B1 (fr) * | 1985-03-14 | 1987-04-10 | Centre Nat Rech Scient | Procede pour la preparation de solutions d'un materiau ligno-cellulosique et solutions obtenues. |
US5330567A (en) * | 1988-08-16 | 1994-07-19 | Lenzing Aktiengesellschaft | Process and arrangement for preparing a solution of cellulose |
US5094690A (en) * | 1988-08-16 | 1992-03-10 | Lenzing Aktiengesellschaft | Process and arrangement for preparing a solution of cellulose |
AT392776B (de) * | 1989-10-16 | 1991-06-10 | Chemiefaser Lenzing Ag | Verfahren zur reinigung waesseriger loesungen von n-methylmorpholin-n-oxid |
ATA92690A (de) * | 1990-04-20 | 1992-06-15 | Chemiefaser Lenzing Ag | Verfahren zur herstellung einer loesung von cellulose in n-methylmorpholin-n-oxid und wasser |
AT395246B (de) * | 1990-07-16 | 1992-10-27 | Chemiefaser Lenzing Ag | Loesung von cellulose in wasser und n-methyl-morpholin-n-oxid |
US5277857A (en) * | 1992-01-17 | 1994-01-11 | Viskase Corporation | Method of making a cellulose food casing |
USH1592H (en) * | 1992-01-17 | 1996-09-03 | Viskase Corporation | Cellulosic food casing |
AT396930B (de) * | 1992-01-23 | 1993-12-27 | Chemiefaser Lenzing Ag | Aminoxide |
KR970011096B1 (ko) * | 1993-09-09 | 1997-07-07 | 한국과학기술연구원 | 셀룰로오스와 3급 아민옥사이드의 펠렛상 혼합 분말과 셀룰로오스 방사 용액 및 그의 제조 방법 |
EP0683251B1 (de) * | 1994-05-17 | 1998-07-08 | DyStar Textilfarben GmbH & Co. Deutschland KG | Aminierung von cellulosischen Synthesefasern |
JPH0813336A (ja) * | 1994-06-28 | 1996-01-16 | Nobutaka Ono | 精製セルロース繊維のフィブリル化防止法 |
AT403531B (de) * | 1994-08-10 | 1998-03-25 | Chemiefaser Lenzing Ag | Vorrichtung zum regeln des druckes in einer strömenden, viskosen masse |
US5603884A (en) * | 1994-11-18 | 1997-02-18 | Viskase Corporation | Reinforced cellulosic film |
GB9500388D0 (en) * | 1995-01-10 | 1995-03-01 | Courtaulds Fibres Ltd | Forming solutions |
AT402932B (de) * | 1995-12-22 | 1997-09-25 | Chemiefaser Lenzing Ag | Celluloseschwamm und verfahren zu dessen herstellung |
EP0888468B1 (en) * | 1996-02-02 | 2001-12-05 | Akzo Nobel N.V. | Process for preparing a spinnable, isotropic cellulose solution |
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 |
US6210801B1 (en) | 1996-08-23 | 2001-04-03 | Weyerhaeuser Company | Lyocell fibers, and compositions for making same |
US6306334B1 (en) | 1996-08-23 | 2001-10-23 | The Weyerhaeuser Company | Process for melt blowing continuous lyocell fibers |
US6471727B2 (en) | 1996-08-23 | 2002-10-29 | Weyerhaeuser Company | Lyocell fibers, and compositions for making the same |
US6235392B1 (en) | 1996-08-23 | 2001-05-22 | Weyerhaeuser Company | Lyocell fibers and process for their preparation |
US6042890A (en) * | 1997-02-25 | 2000-03-28 | Lenzing Aktiengesellschaft | Process for producing a strengthened fiber assembly |
DE19730090A1 (de) | 1997-07-14 | 1999-01-21 | Wolff Walsrode Ag | Neuartige Celluloseether und Verfahren zu deren Herstellung |
DE19737113A1 (de) * | 1997-08-27 | 1999-03-04 | Kalle Nalo Gmbh | Verfahren und Vorrichtung zur Herstellung eines nahtlosen Folienschlauches auf Cellulosebasis durch Extrudieren |
DE19800744C2 (de) * | 1997-11-18 | 2003-06-12 | Kreyenborg Verwaltungen | Vorrichtung zum Filtrieren einer verunreinigten viskosen Spinnmasse |
ES2267293T3 (es) * | 1998-10-21 | 2007-03-01 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V. | Extrusion de celulosa y dispositivo de extrusion. |
US6773648B2 (en) | 1998-11-03 | 2004-08-10 | Weyerhaeuser Company | Meltblown process with mechanical attenuation |
US6547999B1 (en) | 1999-10-18 | 2003-04-15 | Viskase Corporation | Cellulose food casing, cellulose composition and production method therefor |
DE10016307C2 (de) * | 2000-03-31 | 2002-05-08 | Thueringisches Inst Textil | Verfahren zur Herstellung und Verarbeitung einer Celluloselösung |
DE10035799A1 (de) * | 2000-07-22 | 2002-01-31 | Kalle Nalo Gmbh & Co Kg | Nach dem Aminoxidverfahren hergestellte Nahrungsmittelhüllen auf Cellulosebasis |
AT410319B (de) * | 2001-07-25 | 2003-03-25 | Chemiefaser Lenzing Ag | Celluloseschwamm und verfahren zu dessen herstellung |
US20030032705A1 (en) * | 2001-08-07 | 2003-02-13 | Otter James William | Ethylene terpolymer adhesive for condensing furnace heat exchanger laminate material |
KR100611890B1 (ko) * | 2002-05-31 | 2006-08-11 | 주식회사 효성 | 고균질 셀룰로오스 용액의 제조방법 |
US6833187B2 (en) | 2003-04-16 | 2004-12-21 | Weyerhaeuser Company | Unbleached pulp for lyocell products |
US7097737B2 (en) * | 2003-04-16 | 2006-08-29 | Weyerhaeuser Company | Method of making a modified unbleached pulp for lyocell products |
US6790527B1 (en) | 2003-04-16 | 2004-09-14 | Weyerhaeuser Company | Lyocell fiber from unbleached pulp |
CN1309886C (zh) * | 2003-06-30 | 2007-04-11 | 株式会社晓星 | 溶于n-甲基吗啉-n-氧化物的纤维素溶液及使用该溶液的纤维素纤维的制造方法 |
JP4234057B2 (ja) * | 2003-06-30 | 2009-03-04 | ヒョスング コーポレーション | 高均質セルロース溶液から製造したセルロースディップコード及びタイヤ |
KR100575378B1 (ko) * | 2004-11-10 | 2006-05-02 | 주식회사 효성 | 셀룰로오스 섬유의 제조방법 |
US7718036B2 (en) | 2006-03-21 | 2010-05-18 | Georgia Pacific Consumer Products Lp | Absorbent sheet having regenerated cellulose microfiber network |
US8540846B2 (en) | 2009-01-28 | 2013-09-24 | Georgia-Pacific Consumer Products Lp | Belt-creped, variable local basis weight multi-ply sheet with cellulose microfiber prepared with perforated polymeric belt |
US8187422B2 (en) | 2006-03-21 | 2012-05-29 | Georgia-Pacific Consumer Products Lp | Disposable cellulosic wiper |
US7815876B2 (en) | 2006-11-03 | 2010-10-19 | Olson David A | Reactor pump for catalyzed hydrolytic splitting of cellulose |
US7815741B2 (en) * | 2006-11-03 | 2010-10-19 | Olson David A | Reactor pump for catalyzed hydrolytic splitting of cellulose |
EP2098539B1 (en) * | 2008-03-03 | 2017-05-10 | SE Tylose GmbH & Co.KG | Homogeneous synthesis of cellulose ethers in ionic liquids |
US8361278B2 (en) * | 2008-09-16 | 2013-01-29 | Dixie Consumer Products Llc | Food wrap base sheet with regenerated cellulose microfiber |
AT508688B8 (de) | 2009-08-28 | 2011-10-15 | Chemiefaser Lenzing Ag | Carboxyethylcellulosefasern, ihre verwendung in wundverbänden und hygieneartikeln sowie verfahren zu ihrer herstellung |
WO2013003619A1 (en) | 2011-06-29 | 2013-01-03 | Tyco Healthcare Group Lp | Dissolution of oxidized cellulose |
DE102012103296A1 (de) | 2012-04-17 | 2013-10-17 | List Holding Ag | Verfahren zur Herstellung von Formkörpern |
US9271937B2 (en) | 2012-05-31 | 2016-03-01 | Covidien Lp | Oxidized cellulose microspheres |
US9499636B2 (en) | 2012-06-28 | 2016-11-22 | Covidien Lp | Dissolution of oxidized cellulose and particle preparation by cross-linking with multivalent cations |
GB2511528A (en) | 2013-03-06 | 2014-09-10 | Speciality Fibres And Materials Ltd | Absorbent materials |
US10413566B2 (en) | 2013-03-15 | 2019-09-17 | Covidien Lp | Thixotropic oxidized cellulose solutions and medical applications thereof |
EP3412826A1 (en) | 2017-06-09 | 2018-12-12 | Acticell GmbH | Treatment of dyed material |
DE102021100480A1 (de) | 2021-01-13 | 2022-07-14 | List Technology Ag | Mischkneter zur Verarbeitung eines Transfergemisches zu einer Formlösung nach dem Direktlöseverfahren |
DE102021100484A1 (de) | 2021-01-13 | 2022-07-14 | List Technology Ag | Verfahren zur Herstellung eines Transfergemisches nach dem Direktlöseverfahren und einem Dünnschichtverdampfer |
DE102022102177A1 (de) | 2022-01-31 | 2023-08-03 | List Technology Ag | Anlage und Verfahren zur Verarbeitung eines Ausgangsmaterials zu einer Formlösung nach dem Trockenlöseverfahren |
EP4219567A1 (de) | 2022-01-31 | 2023-08-02 | LIST Technology AG | Anlage und verfahren zur verarbeitung eines ausgangsmaterials zu einer formlösung nach dem trockenlöseverfahren |
WO2023144422A1 (de) | 2022-01-31 | 2023-08-03 | List Technology Ag | Anlage und verfahren zur verarbeitung eines ausgangsmaterials zu einer formlösung nach dem trockenlöseverfahren |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2179181A (en) * | 1936-04-21 | 1939-11-07 | Soc Of Chemical Ind | Cellulose solutions and process of making same |
US2744292A (en) * | 1953-02-10 | 1956-05-08 | Rayonier Inc | Regenerated cellulose sheets and process of producing the sheets |
US3447939A (en) * | 1966-09-02 | 1969-06-03 | Eastman Kodak Co | Compounds dissolved in cyclic amine oxides |
US3758457A (en) * | 1972-01-25 | 1973-09-11 | Du Pont | Process for recovering regenerated cellulose |
-
1978
- 1978-09-01 US US05/938,907 patent/US4196282A/en not_active Expired - Lifetime
- 1978-11-08 DE DE2848471A patent/DE2848471C2/de not_active Expired
- 1978-11-22 AU AU41810/78A patent/AU4181078A/en active Pending
- 1978-11-24 GB GB7846034A patent/GB2010279B/en not_active Expired
- 1978-11-24 CA CA316,832A patent/CA1111206A/en not_active Expired
- 1978-11-24 IT IT30209/78A patent/IT1101441B/it active
- 1978-11-24 NL NL7811571A patent/NL7811571A/xx not_active Application Discontinuation
- 1978-11-24 NO NO783963A patent/NO783963L/no unknown
- 1978-11-24 DK DK525678A patent/DK525678A/da unknown
- 1978-11-24 SE SE7812131A patent/SE443793B/sv not_active IP Right Cessation
- 1978-11-24 RO RO7895744A patent/RO77343A/ro unknown
- 1978-11-24 AT AT0843478A patent/AT376986B/de not_active IP Right Cessation
- 1978-11-24 JP JP14595778A patent/JPS5499148A/ja active Granted
- 1978-11-24 IN IN850/DEL/78A patent/IN150398B/en unknown
- 1978-11-24 TR TR20125A patent/TR20125A/xx unknown
- 1978-11-24 LU LU80571A patent/LU80571A1/de unknown
- 1978-11-24 FI FI783597A patent/FI69876C/fi not_active IP Right Cessation
- 1978-11-24 FR FR7833313A patent/FR2423559B1/fr not_active Expired
-
1979
- 1979-01-04 ES ES476575A patent/ES476575A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FI69876C (fi) | 1986-05-26 |
FR2423559A1 (fr) | 1979-11-16 |
AU4181078A (en) | 1979-05-31 |
TR20125A (tr) | 1980-09-19 |
DK525678A (da) | 1979-05-26 |
ES476575A1 (es) | 1979-12-16 |
IT7830209A0 (it) | 1978-11-24 |
LU80571A1 (de) | 1979-05-16 |
FR2423559B1 (fr) | 1985-08-23 |
FI69876B (fi) | 1985-12-31 |
JPS5499148A (en) | 1979-08-04 |
GB2010279B (en) | 1983-01-19 |
NO783963L (no) | 1979-05-28 |
RO77343A (ro) | 1981-08-17 |
JPS5711566B2 (it) | 1982-03-05 |
NL7811571A (nl) | 1979-05-29 |
IN150398B (it) | 1982-09-25 |
ATA843478A (de) | 1984-06-15 |
FI783597A (fi) | 1979-05-26 |
SE443793B (sv) | 1986-03-10 |
US4196282A (en) | 1980-04-01 |
DE2848471A1 (de) | 1979-06-07 |
CA1111206A (en) | 1981-10-27 |
DE2848471C2 (de) | 1984-06-28 |
GB2010279A (en) | 1979-06-27 |
AT376986B (de) | 1985-01-25 |
SE7812131L (sv) | 1979-05-26 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19971126 |