BE868737A - Procede pour preparer une solution de cellulose dans un oxyde d'amine - Google Patents

Procede pour preparer une solution de cellulose dans un oxyde d'amine

Info

Publication number
BE868737A
BE868737A BE189077A BE189077A BE868737A BE 868737 A BE868737 A BE 868737A BE 189077 A BE189077 A BE 189077A BE 189077 A BE189077 A BE 189077A BE 868737 A BE868737 A BE 868737A
Authority
BE
Belgium
Prior art keywords
cellulose
preparing
solution
amine oxide
amine
Prior art date
Application number
BE189077A
Other languages
English (en)
Original Assignee
Akzona Inc
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 Akzona Inc filed Critical Akzona Inc
Publication of BE868737A publication Critical patent/BE868737A/fr

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00Processes of treating or compounding macromolecular substances
    • C08J3/02Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
    • C08J3/09Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids
    • C08J3/091Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids characterised by the chemical constitution of the organic liquid
    • C08J3/096Nitrogen containing compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08BPOLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B1/00Preparatory treatment of cellulose for making derivatives thereof, e.g. pre-treatment, pre-soaking, activation
    • C08B1/003Preparation of cellulose solutions, i.e. dopes, with different possible solvents, e.g. ionic liquids
    • DTEXTILES; PAPER
    • D01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08JWORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2301/00Characterised by the use of cellulose, modified cellulose or cellulose derivatives
    • C08J2301/02Cellulose; Modified cellulose

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Organic Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Materials Engineering (AREA)
  • Biochemistry (AREA)
  • Textile Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Artificial Filaments (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Extrusion Moulding Of Plastics Or The Like (AREA)
  • Manufacture Of Macromolecular Shaped Articles (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Materials For Medical Uses (AREA)
BE189077A 1977-07-26 1978-07-04 Procede pour preparer une solution de cellulose dans un oxyde d'amine BE868737A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/819,082 US4144080A (en) 1977-07-26 1977-07-26 Process for making amine oxide solution of cellulose

Publications (1)

Publication Number Publication Date
BE868737A true BE868737A (fr) 1978-11-03

Family

ID=25227154

Family Applications (1)

Application Number Title Priority Date Filing Date
BE189077A BE868737A (fr) 1977-07-26 1978-07-04 Procede pour preparer une solution de cellulose dans un oxyde d'amine

Country Status (24)

Country Link
US (1) US4144080A (fr)
JP (1) JPS5424963A (fr)
AR (1) AR225004A1 (fr)
AT (1) AT364900B (fr)
AU (1) AU3814778A (fr)
BE (1) BE868737A (fr)
BR (1) BR7804794A (fr)
CA (1) CA1116808A (fr)
DD (1) DD140356A5 (fr)
DE (1) DE2830685C3 (fr)
DK (1) DK330978A (fr)
ES (1) ES472037A1 (fr)
FI (1) FI64657C (fr)
FR (1) FR2398774A1 (fr)
GB (1) GB2001320B (fr)
GR (1) GR64549B (fr)
IN (1) IN147905B (fr)
IT (1) IT1096905B (fr)
LU (1) LU79932A1 (fr)
NL (1) NL7807421A (fr)
NO (1) NO146987C (fr)
SE (1) SE445926B (fr)
TR (1) TR20127A (fr)
ZA (1) ZA783707B (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2617511A1 (fr) * 1987-07-01 1989-01-06 Inst Textile De France Procede de preparation d'une solution de filage de cellulose en presence d'oxyde d'amine tertiaire et d'additif

Families Citing this family (96)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
US4324593A (en) * 1978-09-01 1982-04-13 Akzona Incorporated Shapeable tertiary amine N-oxide solution of cellulose, shaped cellulose product made therefrom and process for preparing the shapeable solution and cellulose products
US4261943A (en) * 1979-07-02 1981-04-14 Akzona Incorporated Process for surface treating cellulose products
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
DE3034685C2 (de) * 1980-09-13 1984-07-05 Akzo Gmbh, 5600 Wuppertal Cellulose-Form- und Spinnmasse mit geringen Anteilen an niedermolekularen Abbauprodukten
ZA834139B (en) * 1982-06-08 1984-03-28 Courtaulds Plc Polymer solutions
MD166C2 (ro) * 1988-08-16 1995-09-30 Lenzing Aktiengesellschaft Procedeu de obţinere a soluţiilor de celuloză în oxidul cu conţinut hidric al aminei terţiare şi dispozitiv de efectuare a lui
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
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
GB9103297D0 (en) * 1991-02-15 1991-04-03 Courtaulds Plc Fibre production method
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
ATA53792A (de) * 1992-03-17 1995-02-15 Chemiefaser Lenzing Ag Verfahren zur herstellung cellulosischer formkörper, vorrichtung zur durchführung des verfahrens sowie verwendung einer spinnvorrichtung
EP0648808B1 (fr) * 1993-02-16 2002-05-22 Mitsubishi Rayon Co., Ltd. Solution de cellulose pour moulage et procede de moulage l'utilisant
TR28441A (tr) * 1993-05-24 1996-07-04 Courtaulds Fibres Holdings Ltd Liyosel filamentlerinin pihtilastirilmasinda kullanilabilen egirme hücreleri.
US5413631A (en) * 1993-05-24 1995-05-09 Courtaulds (Holding) Limited Formation of a cellulose-based premix
AT399729B (de) * 1993-07-01 1995-07-25 Chemiefaser Lenzing Ag Verfahren zur herstellung cellulosischer fasern sowie vorrichtung zur durchführung des verfahrens und deren verwendung
AT402738B (de) * 1993-07-28 1997-08-25 Chemiefaser Lenzing Ag Spinndüse
KR970011096B1 (ko) * 1993-09-09 1997-07-07 한국과학기술연구원 셀룰로오스와 3급 아민옥사이드의 펠렛상 혼합 분말과 셀룰로오스 방사 용액 및 그의 제조 방법
AT403584B (de) * 1993-09-13 1998-03-25 Chemiefaser Lenzing Ag Verfahren und vorrichtung zur herstellung cellulosischer flach- oder schlauchfolien
AT400581B (de) * 1993-10-19 1996-01-25 Chemiefaser Lenzing Ag Verfahren zur herstellung von lösungen von cellulose
DE4420304C1 (de) * 1994-06-10 1995-09-21 Fraunhofer Ges Forschung Flexible Cellulosefasern mit reduziertem Modul und vermindertem NMR-Ordnungsgrad und deren Herstellung
DE4421482C2 (de) * 1994-06-20 1997-04-03 Fraunhofer Ges Forschung Verfahren zur Herstellung orientierter Cellulosefolien sowie die mit diesem Verfahren hergestellten Folien und deren Verwendung
US5603884A (en) * 1994-11-18 1997-02-18 Viskase Corporation Reinforced cellulosic film
SK67697A3 (en) * 1994-12-02 1997-10-08 Akzo Nobel Nv Method of producing shaped cellulose bodies, and yarn made of cellulose filaments
DE4446491C2 (de) * 1994-12-23 2000-06-15 Fraunhofer Ges Forschung Verfahren zur Herstellung von Cellulosefasern sowie Cellulosefasern mit reduzierter Fibrillierneigung
EP0727439B1 (fr) * 1995-02-20 2003-02-19 Korea Institute Of Science And Technology Granules de cellulose et d'oxyde d'amine tertiaire; procédé pour leur préparation et procédé pour la fabrication d'articles à partir de ces granules
AU5146196A (en) * 1995-03-31 1996-10-16 Akzo Nobel N.V. Method of producing solutions of cellulose in water-containi ng tertiary-amin-n-oxides
RU2156839C2 (ru) 1996-03-06 2000-09-27 Мицубиси Рэйон Ко., Лтд. Волокна фибрилловой системы (варианты), формованное изделие, способ изготовления волокон фибрилловой системы, прядильная фильера для изготовления волокон фибрилловой системы
JP3214706B2 (ja) * 1996-06-10 2001-10-02 コーリア・インスティチュート・オブ・サイエンス・アンド・テクノロジー N―メチルモルホリン―n―オキシドを使用する均質セルロース溶液の製造方法
FI112803B (fi) * 1996-08-21 2004-01-15 Bki Holding Corp Menetelmä kuitukankaan valmistamiseksi ja kuitukangas
US6235392B1 (en) 1996-08-23 2001-05-22 Weyerhaeuser Company Lyocell fibers and process for their preparation
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
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
US6210801B1 (en) 1996-08-23 2001-04-03 Weyerhaeuser Company Lyocell fibers, and compositions for making same
AT406488B (de) * 1996-10-28 2000-05-25 Chemiefaser Lenzing Ag Verfahren zur herstellung cellulosischer formkörper, insbesondere fasern, und spinnvorrichtung zur durchführung des verfahrens
AT404731B (de) 1997-04-25 1999-02-25 Chemiefaser Lenzing Ag Verfahren zur herstellung cellulosischer flachfolien und ihre verwendung
US6165401A (en) * 1997-04-25 2000-12-26 Lenzing Aktiengesellschaft Process for the production of cellulosic moulded bodies
ES2232942T3 (es) * 1997-04-25 2005-06-01 Lenzing Aktiengesellschaft Procedimiento para la fabricacion de cuerpos moldeados de celulosa.
AT404846B (de) 1997-06-16 1999-03-25 Chemiefaser Lenzing Ag Zusammensetzung enthaltend feine feststoffteilchen
AT405531B (de) 1997-06-17 1999-09-27 Chemiefaser Lenzing Ag Verfahren zur herstellung cellulosischer fasern
US5891375A (en) * 1997-07-24 1999-04-06 Alfacel S.A. Processes for precipitating tertiary amine oxide cellulose solutions containing esters and products made therefrom
US5951933A (en) * 1997-07-24 1999-09-14 Alfacel S.A. Processes for precipitating tertiary amine oxide cellulose solutions containing water soluble polymers and products made therefrom
US6143884A (en) * 1998-05-09 2000-11-07 Acelon Chemicals & Fiber Corporation Manufacturing process of cellulose viscose with low viscosity
EP1123190B1 (fr) * 1998-10-21 2006-06-21 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Extrusion de cellulose et dispositif d'extrusion
US6773648B2 (en) 1998-11-03 2004-08-10 Weyerhaeuser Company Meltblown process with mechanical attenuation
US6409883B1 (en) 1999-04-16 2002-06-25 Kimberly-Clark Worldwide, Inc. Methods of making fiber bundles and fibrous structures
DE19921755A1 (de) * 1999-05-11 2000-11-16 Rhodia Acetow Ag Verfahren zur Herstellung einer Spinnlösung von Zellstoff in N-Methylmorpholin-N-oxid-Monohydrat, die damit erhältlichen Lösungen sowie die daraus durch Verspinnen erhältlichen Regeneratcellulosefasern
DE19954152C2 (de) * 1999-11-10 2001-08-09 Thueringisches Inst Textil Verfahren und Vorrichtung zur Herstellung von Cellulosefasern und Cellulosefilamentgarnen
DE10029044A1 (de) * 2000-06-13 2002-01-03 Lueder Gerking Verfahren und Vorrichtung zur Herstellung von Fäden, Fasern, Folien oder Formkörpern aus Cellulose
US20030032705A1 (en) * 2001-08-07 2003-02-13 Otter James William Ethylene terpolymer adhesive for condensing furnace heat exchanger laminate material
DE10200406A1 (de) * 2002-01-08 2003-07-24 Zimmer Ag Spinnvorrichtung und -verfahren mit turbulenter Kühlbeblasung
DE10200405A1 (de) * 2002-01-08 2002-08-01 Zimmer Ag Spinnvorrichtung und -verfahren mit Kühlbeblasung
DE10204381A1 (de) * 2002-01-28 2003-08-07 Zimmer Ag Ergonomische Spinnanlage
DE10206089A1 (de) * 2002-02-13 2002-08-14 Zimmer Ag Bersteinsatz
DE10213007A1 (de) * 2002-03-22 2003-10-09 Zimmer Ag Verfahren und Vorrichtung zur Regelung des Raumklimas bei einem Spinnprozess
DE10223268B4 (de) * 2002-05-24 2006-06-01 Zimmer Ag Benetzungseinrichtung und Spinnanlage mit Benetzungseinrichtung
KR100611890B1 (ko) * 2002-05-31 2006-08-11 주식회사 효성 고균질 셀룰로오스 용액의 제조방법
DE10314878A1 (de) * 2003-04-01 2004-10-28 Zimmer Ag Verfahren und Vorrichtung zur Herstellung nachverstreckter Cellulose-Spinnfäden
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
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
KR100540343B1 (ko) * 2003-06-30 2006-01-10 주식회사 효성 엔-메틸모포린-엔-옥사이드를 이용한 셀룰로오스 용액 및그의 제조방법
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
US7097344B2 (en) 2003-06-30 2006-08-29 Hyosung Corporation Homogeneous cellulose solution and high tenacity lyocell multifilament using the same
KR100488604B1 (ko) * 2003-07-25 2005-05-11 주식회사 효성 라이오셀 멀티 필라멘트
US7202928B2 (en) * 2003-10-16 2007-04-10 Lg. Philips Lcd Co., Ltd Array substrate for in-plane switching mode liquid crystal display device and method of fabricating the same
DE102004007616B4 (de) * 2004-02-17 2005-12-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Herstellung von Fasern und anderen Formkörpern aus Cellulosecarbamat und/oder regenerierter Cellulose
US20070298670A1 (en) * 2004-02-17 2007-12-27 Peter Weigel Method for Producing Non-Wovens, a Corresponding Non-Woven and the Production Thereof
DE102004007617B4 (de) 2004-02-17 2007-02-08 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Herstellung eines Vliesstoffes, Vliesstoff und dessen Verwendung
US7459015B2 (en) * 2004-04-16 2008-12-02 Birla Research Institute For Applied Sciences Process for the preparation of a cellulose solution for spinning of fibres, filaments or films therefrom
DE102004024029A1 (de) * 2004-05-13 2005-12-08 Zimmer Ag Lyocell-Verfahren und -Vorrichtung mit Steuerung des Metallionen-Gehalts
DE102004024028B4 (de) * 2004-05-13 2010-04-08 Lenzing Ag Lyocell-Verfahren und -Vorrichtung mit Presswasserrückführung
DE102004024030A1 (de) * 2004-05-13 2005-12-08 Zimmer Ag Lyocell-Verfahren mit polymerisationsgradabhängiger Einstellung der Verarbeitungsdauer
KR100575378B1 (ko) * 2004-11-10 2006-05-02 주식회사 효성 셀룰로오스 섬유의 제조방법
KR100575388B1 (ko) * 2004-12-30 2006-05-03 주식회사 효성 고균질 셀룰로오스 용액 및 이로 부터 제조된 섬유
DE102005024433A1 (de) * 2005-05-24 2006-02-16 Zimmer Ag Verfahren und Vorrichtung zum Schneiden von NMMO-haltigen Spinnfäden sowie für Zellulose-Stapelfasern
KR100674670B1 (ko) * 2006-04-27 2007-01-25 주식회사 효성 고무보강용 셀룰로오스 생코드
KR100721443B1 (ko) * 2006-04-27 2007-05-23 주식회사 효성 고무보강용 셀룰로오스 열처리 코드
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
KR100949556B1 (ko) 2006-12-26 2010-03-25 주식회사 코오롱 셀룰로오스-폴리비닐알코올 가교 복합섬유의 제조방법 및이로부터 제조되는 가교 복합섬유
US8029259B2 (en) * 2008-04-11 2011-10-04 Reifenhauser Gmbh & Co. Kg Maschinenfabrik Array of nozzles for extruding multiple cellulose fibers
US8029260B2 (en) * 2008-04-11 2011-10-04 Reifenhauser Gmbh & Co. Kg Maschinenfabrik Apparatus for extruding cellulose fibers
US8303888B2 (en) * 2008-04-11 2012-11-06 Reifenhauser Gmbh & Co. Kg Process of forming a non-woven cellulose web and a web produced by said process
DE102008018743A1 (de) 2008-04-14 2009-10-22 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Cellulosecarbamat-Spinnlösung, Cellulosecarbamatfaser sowie Verfahren zu deren Herstellung und Verwendungszwecke
DE102008018745A1 (de) 2008-04-14 2009-10-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Cellulosecarbamat-Spinnlösung, Cellulosecarbamat-Blasfolie sowie Verfahren zu deren Herstellung und Verwendungsmöglichkeiten
DE102008018746A1 (de) * 2008-04-14 2009-10-15 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Cellulosecarbamat-Spinnlösung, Verfahren zur Herstellung eines Cellulosecarbamat-Vliesstoffes, Cellulosecarbamat-Vliesstoff sowie Verwendungszwecke
CN102358957B (zh) * 2011-08-24 2015-01-07 中国纺织科学研究院 一种制备纤维素纺丝原液的方法
GB2511528A (en) 2013-03-06 2014-09-10 Speciality Fibres And Materials Ltd Absorbent materials
CN113087927A (zh) * 2020-01-09 2021-07-09 雅思雅思拉普 使用n-甲基吗啉-n-氧化物的均质纤维素溶液的制备方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH191822A (de) * 1936-04-21 1937-07-15 Chem Ind Basel Verfahren zur Herstellung einer neuen Zelluloselösung.
CH194638A (de) * 1936-04-21 1937-12-15 Chem Ind Basel Verfahren zur Herstellung einer neuen Celluloselösung.
US2179181A (en) * 1936-04-21 1939-11-07 Soc Of Chemical Ind Cellulose solutions and process of making same
CH437217A (de) * 1965-12-20 1967-06-15 Buss Ag Einrichtung zum kontinuierlichen Herstellen von Lösungen und Suspensionen
US3447939A (en) * 1966-09-02 1969-06-03 Eastman Kodak Co Compounds dissolved in cyclic amine oxides
US3503700A (en) * 1967-08-03 1970-03-31 Eastman Kodak Co Wet and dry strength and liquid repellancy of fibrous material

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2617511A1 (fr) * 1987-07-01 1989-01-06 Inst Textile De France Procede de preparation d'une solution de filage de cellulose en presence d'oxyde d'amine tertiaire et d'additif
EP0299824A1 (fr) * 1987-07-01 1989-01-18 Institut Textile De France Procédé de préparation d'une solution de filage de cellulose en présence d'oxyde d'amine tertiaire et d'additif
US4880469A (en) * 1987-07-01 1989-11-14 Institut Textile De France Process for the preparation of a shapeable solution of cellulose in the presence of a tertiary amine oxide and an additive

Also Published As

Publication number Publication date
LU79932A1 (fr) 1978-12-07
DE2830685A1 (de) 1979-02-15
GB2001320A (en) 1979-01-31
JPS5541693B2 (fr) 1980-10-25
GB2001320B (en) 1982-06-16
US4144080A (en) 1979-03-13
SE445926B (sv) 1986-07-28
IT1096905B (it) 1985-08-26
JPS5424963A (en) 1979-02-24
IT7825498A0 (it) 1978-07-10
AR225004A1 (es) 1982-02-15
CA1116808A (fr) 1982-01-26
ES472037A1 (es) 1979-02-01
AT364900B (de) 1981-11-25
FR2398774A1 (fr) 1979-02-23
DE2830685C3 (de) 1982-03-18
NO782556L (no) 1979-01-29
NL7807421A (nl) 1979-01-30
FI64657C (fi) 1983-12-12
AU3814778A (en) 1980-01-24
SE7808039L (sv) 1979-01-27
NO146987C (no) 1983-01-12
ZA783707B (en) 1979-07-25
FR2398774B1 (fr) 1983-09-02
DE2830685B2 (de) 1980-12-04
DD140356A5 (de) 1980-02-27
ATA543978A (de) 1981-04-15
FI64657B (fi) 1983-08-31
IN147905B (fr) 1980-08-09
DK330978A (da) 1979-01-27
NO146987B (no) 1982-10-04
GR64549B (en) 1980-04-12
TR20127A (tr) 1980-09-01
FI782170A (fi) 1979-01-27
BR7804794A (pt) 1979-04-03

Similar Documents

Publication Publication Date Title
BE868737A (fr) Procede pour preparer une solution de cellulose dans un oxyde d'amine
BE864233A (fr) Procede de preparation d'une tete de detection
JPS5410735A (en) Monitor for stock of recording liquid in recording machine
FR2418027B1 (fr) Procede de preparation d'une electrode
BE869256A (fr) Procede pour l'ethylation de mono-alkylbenzenes
LU79861A1 (fr) Procede pour le reglage d'une solution de decapage d'acier inoxydable
BE859821A (fr) Procede ameliore pour preparer des ether-sulfonates
BE858911A (fr) Procede pour preparer du m-phenoxybenzaldehyde
BE865146A (fr) Procede perfectionne pour preparer le 2-ethylhexanol
FR2457103B1 (fr) Procede pour preparer de l'interferon humain
BE837639A (fr) Procede pour preparer l'acide oxalique et ses esters
BE869417A (fr) Procede perfectionne pour preparer une etoffe lainee ("suede")
FR2317340A1 (fr) Procede pour preparer de l'oxyde de chrome pigmentaire a partir de bichromate de sodium dihydrate et d[un sel d'ammonium
RO77272A (fr) Procede pour preparer o-methaliloxyphenole
BE863501A (fr) Procede de raffinage d'hexafluorosilicate de sodium brut
RO69457A (fr) Procede pour preparer n-(r-tetrahydrofurfuryle)-noroxymorphone et n-(s-tetrahydrofurfuryle)-noroxymorphone
BE884202Q (fr) Procede pour preparer des chlorures d'alpha-chloralcanoyle
BE864415A (fr) Diaryldithiophosphates metalliques et procede pour les preparer
BE863700A (fr) Azetidinones et procede pour les preparer
BE867678A (fr) Procede pour preparer de l'o-cinnamylphenol
PT75595B (fr) Procede pour preparer de steres d'acide antranilique
RO77032A (fr) Procede pour preparer 3-amino-5-tert-butylisoxazole
BE871957A (fr) 13,14-didehydro-prostaglandines et procede pour les preparer
RO77250A (fr) Procede pour preparer 2-mercaptobenzthiazole
BE863209A (fr) Derives de l'acide 3-carboxyphenylacetique et procede pour les preparer

Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: AKZONA INC.

Effective date: 19980704