DE3027033C2 - - Google Patents
Info
- Publication number
 - DE3027033C2 DE3027033C2 DE3027033A DE3027033A DE3027033C2 DE 3027033 C2 DE3027033 C2 DE 3027033C2 DE 3027033 A DE3027033 A DE 3027033A DE 3027033 A DE3027033 A DE 3027033A DE 3027033 C2 DE3027033 C2 DE 3027033C2
 - Authority
 - DE
 - Germany
 - Prior art keywords
 - cellulose
 - water
 - solution
 - lithium chloride
 - dissolving
 - 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.)
 - Expired - Lifetime
 
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)
 - Polysaccharides And Polysaccharide Derivatives (AREA)
 - Compositions Of Macromolecular Compounds (AREA)
 - Processes Of Treating Macromolecular Substances (AREA)
 
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 | 
|---|---|
| DE3027033A1 DE3027033A1 (de) | 1981-02-19 | 
| DE3027033C2 true DE3027033C2 (enEXAMPLES) | 1990-10-11 | 
Family
ID=26740390
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| DE19803027033 Granted DE3027033A1 (de) | 1979-07-25 | 1980-07-17 | Verfahren zum aufloesen von zellulose | 
Country Status (8)
| Country | Link | 
|---|---|
| US (1) | US4302252A (enEXAMPLES) | 
| AT (1) | AT372412B (enEXAMPLES) | 
| CA (1) | CA1142305A (enEXAMPLES) | 
| DE (1) | DE3027033A1 (enEXAMPLES) | 
| FR (1) | FR2466473B1 (enEXAMPLES) | 
| GB (1) | GB2055107B (enEXAMPLES) | 
| IT (1) | IT1193545B (enEXAMPLES) | 
| NL (1) | NL188810C (enEXAMPLES) | 
Families Citing this family (34)
| 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 | 
| US5420267A (en) * | 1991-08-09 | 1995-05-30 | Eastman Chemical Company | Cellulose acetoacetate esters | 
| TW218384B (enEXAMPLES) * | 1991-08-09 | 1994-01-01 | Eastman Kodak Co | |
| 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 | 
| JP5072846B2 (ja) | 2006-04-21 | 2012-11-14 | ジャングー ロンマ グリーン ファイバーズ カンパニー リミテッド | パイロット規模でのセルロース製品の製造における水酸化ナトリウム/チオ尿素水溶液の使用 | 
| 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 | 
| MX2011003571A (es) | 2008-10-01 | 2011-05-02 | Licella Pty Ltd | Metodo de produccion 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 | 
| AU2010305363B2 (en) * | 2009-10-08 | 2015-12-10 | Sanofi-Aventis Deutschland Gmbh | Drug delivery device with biodegradable plastic components | 
| DE102010024827A1 (de) * | 2010-06-23 | 2011-12-29 | Studiengesellschaft Kohle Mbh | Verfahren zum Auflösen von Zellulose | 
| US9139861B2 (en) * | 2010-10-29 | 2015-09-22 | Japan Agency For Marine-Earth Science And Technology | Culture substrate comprising cellulose gel, solid medium using same, and cellulase activity assay method using medium | 
| EP2726512B1 (en) * | 2011-06-29 | 2017-10-11 | Covidien LP | Dissolution of oxidized cellulose | 
| 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 | 
| US10040871B2 (en) | 2012-06-28 | 2018-08-07 | Covidien Lp | Medical devices based on oxidized cellulose | 
| 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 | 
| CN107980050A (zh) * | 2015-06-17 | 2018-05-01 | 赛佩荷兰服务有限公司 | 溶剂交换组合物 | 
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| BE454217A (enEXAMPLES) * | ||||
| 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 | 
| US4059457A (en) * | 1976-02-19 | 1977-11-22 | The University Of Delaware | Chitin solution | 
| US4076933A (en) * | 1976-02-27 | 1978-02-28 | International Telephone And Telegraph Corporation | Process for producing a regenerated shaped cellulosic fiber | 
| EP0010410B1 (en) * | 1978-10-18 | 1982-03-03 | TATE & LYLE PATENT HOLDINGS LIMITED | A method for the preparation of 2-chloro-2-deoxy saccharides and some 2-chloro-2-deoxy saccharides | 
- 
        1980
        
- 1980-04-30 US US06/145,333 patent/US4302252A/en not_active Expired - Lifetime
 - 1980-07-17 DE DE19803027033 patent/DE3027033A1/de active Granted
 - 1980-07-18 CA CA000356554A patent/CA1142305A/en not_active Expired
 - 1980-07-21 FR FR8016008A patent/FR2466473B1/fr not_active Expired
 - 1980-07-22 NL NLAANVRAGE8004199,A patent/NL188810C/xx not_active IP Right Cessation
 - 1980-07-22 GB GB8023958A patent/GB2055107B/en not_active Expired
 - 1980-07-23 IT IT23633/80A patent/IT1193545B/it active
 - 1980-07-24 AT AT0383280A patent/AT372412B/de not_active IP Right Cessation
 
 
Also Published As
| Publication number | Publication date | 
|---|---|
| DE3027033A1 (de) | 1981-02-19 | 
| FR2466473B1 (enEXAMPLES) | 1987-03-20 | 
| FR2466473A1 (enEXAMPLES) | 1981-04-10 | 
| CA1142305A (en) | 1983-03-08 | 
| IT1193545B (it) | 1988-07-08 | 
| ATA383280A (de) | 1983-02-15 | 
| NL188810B (nl) | 1992-05-06 | 
| GB2055107A (en) | 1981-02-25 | 
| US4302252A (en) | 1981-11-24 | 
| AT372412B (de) | 1983-10-10 | 
| NL188810C (nl) | 1992-10-01 | 
| NL8004199A (nl) | 1981-01-27 | 
| IT8023633A0 (it) | 1980-07-23 | 
| GB2055107B (en) | 1983-04-13 | 
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| DE3027033C2 (enEXAMPLES) | ||
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Legal Events
| Date | Code | Title | Description | 
|---|---|---|---|
| 8110 | Request for examination paragraph 44 | ||
| 8127 | New person/name/address of the applicant | 
             Owner name: ITT INDUSTRIES, INC., NEW YORK, N.Y., US  | 
        |
| 8128 | New person/name/address of the agent | 
             Representative=s name: KLUNKER, H., DIPL.-ING. DR.RER.NAT. SCHMITT-NILSON  | 
        |
| D2 | Grant after examination | ||
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |