FR2466473A1 - - Google Patents

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Publication number
FR2466473A1
FR2466473A1 FR8016008A FR8016008A FR2466473A1 FR 2466473 A1 FR2466473 A1 FR 2466473A1 FR 8016008 A FR8016008 A FR 8016008A FR 8016008 A FR8016008 A FR 8016008A FR 2466473 A1 FR2466473 A1 FR 2466473A1
Authority
FR
France
Prior art keywords
cellulose
solution
amide
lithium chloride
dimethylacetamide
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
FR8016008A
Other languages
English (en)
French (fr)
Other versions
FR2466473B1 (en, 2012
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TDK Micronas GmbH
ITT Inc
Original Assignee
Deutsche ITT Industries GmbH
ITT Industries 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 Deutsche ITT Industries GmbH, ITT Industries Inc filed Critical Deutsche ITT Industries GmbH
Publication of FR2466473A1 publication Critical patent/FR2466473A1/fr
Application granted granted Critical
Publication of FR2466473B1 publication Critical patent/FR2466473B1/fr
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J3/00—Processes of treating or compounding macromolecular substances
    • C08J3/02—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques
    • C08J3/09—Making solutions, dispersions, lattices or gels by other methods than by solution, emulsion or suspension polymerisation techniques in organic liquids
    • C08J3/091—Making 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
    • C08J3/096—Nitrogen containing compounds
    • 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
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/16—Halogen-containing compounds
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2301/00—Characterised by the use of cellulose, modified cellulose or cellulose derivatives
    • C08J2301/02—Cellulose; Modified cellulose

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Artificial Filaments (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)
FR8016008A 1979-07-25 1980-07-21 Expired FR2466473B1 (en, 2012)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US6081479A 1979-07-25 1979-07-25
US06/145,333 US4302252A (en) 1979-07-25 1980-04-30 Solvent system for cellulose

Publications (2)

Publication Number Publication Date
FR2466473A1 true FR2466473A1 (en, 2012) 1981-04-10
FR2466473B1 FR2466473B1 (en, 2012) 1987-03-20

Family

ID=26740390

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8016008A Expired FR2466473B1 (en, 2012) 1979-07-25 1980-07-21

Country Status (8)

Country Link
US (1) US4302252A (en, 2012)
AT (1) AT372412B (en, 2012)
CA (1) CA1142305A (en, 2012)
DE (1) DE3027033A1 (en, 2012)
FR (1) FR2466473B1 (en, 2012)
GB (1) GB2055107B (en, 2012)
IT (1) IT1193545B (en, 2012)
NL (1) NL188810C (en, 2012)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI64404C (fi) * 1982-01-13 1983-11-10 Ahlstroem Oy Foerfarande foer framstaellning av brandskyddade cellulosafibrer
DE3246417C2 (de) * 1982-12-15 1987-04-09 Akzo Gmbh, 5600 Wuppertal Wasserunlösliche Fasern aus Celluloseacetat, Cellulosepropionat und Cellulosebutyrat mit einem extrem hohen Absorptionsvermögen für Wasser und physiologische Flüssigkeiten
DE3312022C2 (de) * 1983-04-02 1987-02-26 Akzo Gmbh, 5600 Wuppertal Verfahren zur Herstellung von wasserunlöslichen Fasern aus Cellulosemonoestern der Maleinsäure, Bernsteinsäure und Phthalsäure mit einem extrem hohen Absorptionsvermögen für Wasser und physiologische Flüssigkeiten
AT380702B (de) * 1984-10-09 1986-06-25 Chemiefaser Lenzing Ag Verfahren zur herstellung von cellulosefaeden bzw. -fasern sowie einrichtung zur durchfuehrung des verfahrens
FR2617511B1 (fr) * 1987-07-01 1989-12-15 Inst Textile De France Procede de preparation d'une solution de filage de cellulose en presence d'oxyde d'amine tertiaire et d'additif
DE3723897A1 (de) * 1987-07-18 1989-01-26 Akzo Gmbh Cellulosederivate und daraus hergestellte fasern und membranen
TW218384B (en, 2012) * 1991-08-09 1994-01-01 Eastman Kodak Co
US5420267A (en) * 1991-08-09 1995-05-30 Eastman Chemical Company Cellulose acetoacetate esters
FR2700772A1 (fr) * 1993-01-27 1994-07-29 Michelin Rech Tech Composition, susceptible de donner des fibres ou des films, à base de formiate de cellulose.
AT400581B (de) * 1993-10-19 1996-01-25 Chemiefaser Lenzing Ag Verfahren zur herstellung von lösungen von cellulose
DE19623704C1 (de) * 1996-06-14 1997-06-26 Freudenberg Carl Fa Schwammtuch und Verfahren zu dessen Herstellung
DE19623703C1 (de) * 1996-06-14 1997-07-24 Freudenberg Carl Fa Schwamm und Verfahren zu dessen Herstellung
SG54355A1 (en) * 1996-07-24 1998-11-16 Univ Singapore Method of preparing water swellable gel from chitin
US20020179106A1 (en) * 2001-03-28 2002-12-05 Zawadzki Michael A. Reduced ignition propensity smoking article with a polysaccharide treated wrapper
US6929884B2 (en) * 2001-04-19 2005-08-16 Zinc Matrix Power, Inc. Method for manufacture of films containing insoluble solids embedded in cellulose-based films
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
CN1282773C (zh) 2005-05-30 2006-11-01 武汉大学 二步凝固浴法制备再生纤维素纤维的方法
EP2011815B1 (en) * 2006-04-21 2013-02-13 Jiangsu Long-Ma Green Fibers Co., Ltd. The use of aqueous solution of sodium-hydroxide and sulfourea in producing cellulose products in pilot-scale
US8022014B2 (en) * 2008-03-26 2011-09-20 Shrieve Chemical Products, Inc. Deep eutectic solvents and applications
EP2157103A1 (en) 2008-08-18 2010-02-24 BIOeCON International Holding N.V. Process for regenerating or derivatizing cellulose
ES2684442T3 (es) 2008-10-01 2018-10-02 Licella Pty Limited Método de producción de bio-aceite
CN101550614B (zh) * 2009-05-07 2011-04-20 新疆大学 一种非粘胶法制备纤维素纤维的方法
CN102573955A (zh) * 2009-10-08 2012-07-11 赛诺菲-安万特德国有限公司 具有生物可降解的塑料部件的给药装置
DE102010024827A1 (de) * 2010-06-23 2011-12-29 Studiengesellschaft Kohle Mbh Verfahren zum Auflösen von Zellulose
EP2634241A4 (en) * 2010-10-29 2016-11-30 Kyokuto pharmaceutical ind co ltd CULTURE SUBSTRATE WITH A CELLULOSE GEL, SOLIDS MEDIA THEREFOR AND CELLULOSE ACTIVITY ASSAY PROCEDURE WITH THIS MEDIUM
CA2840634C (en) 2011-06-29 2019-06-11 Covidien Lp Dissolution of oxidized cellulose
US9271937B2 (en) 2012-05-31 2016-03-01 Covidien Lp Oxidized cellulose microspheres
US10040871B2 (en) * 2012-06-28 2018-08-07 Covidien Lp Medical devices based on oxidized cellulose
US9499636B2 (en) 2012-06-28 2016-11-22 Covidien Lp Dissolution of oxidized cellulose and particle preparation by cross-linking with multivalent cations
CN102875821B (zh) 2012-10-10 2014-05-07 湖北天思科技股份有限公司 一种溶解纤维素的方法
US10413566B2 (en) 2013-03-15 2019-09-17 Covidien Lp Thixotropic oxidized cellulose solutions and medical applications thereof
US10449152B2 (en) 2014-09-26 2019-10-22 Covidien Lp Drug loaded microspheres for post-operative chronic pain
FI127834B (en) * 2015-06-04 2019-03-29 Upm Kymmene Corp Process for producing a nanofibrillar cellulose hydrogel
EA201792596A1 (ru) * 2015-06-17 2018-07-31 Саппи Нидерландс Сервисез Б.В. Композиции обменных растворителей

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE454217A (en, 2012) *
FR2341595A1 (fr) * 1976-02-19 1977-09-16 Univ Delaware Solvants pour dissoudre et purifier la chitine, et produit ainsi obtenu
US4076933A (en) * 1976-02-27 1978-02-28 International Telephone And Telegraph Corporation Process for producing a regenerated shaped cellulosic fiber

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US625033A (en) * 1899-05-16 James frederick hoyne
GB1130484A (en) * 1965-07-27 1968-10-16 Rayonier Inc Improvements in preparing solutions of cellulose and its derivatives and a process for producing them
US4183997A (en) * 1974-02-22 1980-01-15 John Jansky Bonding of solid lignocellulosic material
US4013629A (en) * 1975-02-21 1977-03-22 Krause Milling Company Art of catalyzing the reaction between a polyol and a polyaldehyde
US4029727A (en) * 1975-04-16 1977-06-14 The University Of Delaware Chitin films and fibers
US4062921A (en) * 1976-02-19 1977-12-13 University Of Delaware Solvents for and purification of chitin
EP0010409A1 (en) * 1978-10-18 1980-04-30 TATE & LYLE PATENT HOLDINGS LIMITED Bittering agents

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE454217A (en, 2012) *
FR2341595A1 (fr) * 1976-02-19 1977-09-16 Univ Delaware Solvants pour dissoudre et purifier la chitine, et produit ainsi obtenu
US4076933A (en) * 1976-02-27 1978-02-28 International Telephone And Telegraph Corporation Process for producing a regenerated shaped cellulosic fiber

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
JOURNAL OF POLYMER SCIENCE, vol. 17, no. 8, août 1979, pages 479-484, John Wiley & Sons; *

Also Published As

Publication number Publication date
FR2466473B1 (en, 2012) 1987-03-20
NL188810C (nl) 1992-10-01
GB2055107B (en) 1983-04-13
NL188810B (nl) 1992-05-06
NL8004199A (nl) 1981-01-27
DE3027033A1 (de) 1981-02-19
ATA383280A (de) 1983-02-15
IT1193545B (it) 1988-07-08
IT8023633A0 (it) 1980-07-23
AT372412B (de) 1983-10-10
GB2055107A (en) 1981-02-25
DE3027033C2 (en, 2012) 1990-10-11
US4302252A (en) 1981-11-24
CA1142305A (en) 1983-03-08

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