ES8605010A1 - Procedimiento para la preparacion de carbamato de celulosa - Google Patents

Procedimiento para la preparacion de carbamato de celulosa

Info

Publication number
ES8605010A1
ES8605010A1 ES547692A ES547692A ES8605010A1 ES 8605010 A1 ES8605010 A1 ES 8605010A1 ES 547692 A ES547692 A ES 547692A ES 547692 A ES547692 A ES 547692A ES 8605010 A1 ES8605010 A1 ES 8605010A1
Authority
ES
Spain
Prior art keywords
urea
cellulose
carbamates
cellulose carbamates
preparing cellulose
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
Application number
ES547692A
Other languages
English (en)
Other versions
ES547692A0 (es
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.)
Lenzing AG
Original Assignee
Lenzing AG
Chemiefaser Lenzing AG
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 Lenzing AG, Chemiefaser Lenzing AG filed Critical Lenzing AG
Publication of ES8605010A1 publication Critical patent/ES8605010A1/es
Publication of ES547692A0 publication Critical patent/ES547692A0/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B3/00—Preparation of cellulose esters of organic acids
    • C08B3/14—Preparation of cellulose esters of organic acids in which the organic acid residue contains substituents, e.g. NH2, Cl
    • 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
    • C08B15/05—Derivatives containing elements other than carbon, hydrogen, oxygen, halogens or sulfur
    • C08B15/06—Derivatives containing elements other than carbon, hydrogen, oxygen, halogens or sulfur containing nitrogen, e.g. carbamates

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
  • Chemical Or Physical Treatment Of Fibers (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)

Abstract

PROCEDIMIENTO PARA LA PREPARACION DE CARBAMATO DE CELULOSA. COMPRENDE: A) IMPREGNAR AL MATERIAL QUE CONTIENE CELULOSA CON UNA SOLUCION DE UN HIDROXIDO DE METAL ALCALINO Y UREA; B) LAVAR UNA O VARIAS VECES CON UNA SOLUCION ACUOSA DE UREA AL MATERIAL QUE CONTIENE CELULOSA Y ESTA IMPREGNADO CON HIDROXIDO DE METAL ALCALINO Y UREA, HASTA OBTENER UN CONTENIDO 0,5% EN MASA DE HIDROXIDO DE METAL ALCALINO EN EL MATERIAL IMPREGNADO; Y C) CALENTAR AL MATERIAL IMPREGNADO Y LAVADO, PARA OBTENER CARBAMATOS DE CELULOSA. LA IMPREGNACION Y EL LAVADO SE PUEDEN REALIZAR EN UNA CENTRIFUGADORA DE FUNCIONAMIENTO CONTINUO, EN UN FILTRO O BANDA DE TAMIZ O EN UNA CARCADA DE CALDERA DE AGITACION. LA SOLUCION DE IMPREGNACION CONTIENE DE 10 A 30% EN MASA DE NAOH REFERIDO A MATERIAL SECO IMPREGNADO Y LA SOLUCION DE LAVADO CONTIENE DE 10 A 25% EN MASA DE UREA REFERIDO A MATERIAL SECO IMPREGNADO.
ES547692A 1984-10-09 1985-10-08 Procedimiento para la preparacion de carbamato de celulosa Expired ES8605010A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
AT320084A AT384813B (de) 1984-10-09 1984-10-09 Verfahren zur herstellung von cellulosecarbamaten

Publications (2)

Publication Number Publication Date
ES8605010A1 true ES8605010A1 (es) 1986-03-01
ES547692A0 ES547692A0 (es) 1986-03-01

Family

ID=3546908

Family Applications (1)

Application Number Title Priority Date Filing Date
ES547692A Expired ES8605010A1 (es) 1984-10-09 1985-10-08 Procedimiento para la preparacion de carbamato de celulosa

Country Status (5)

Country Link
EP (1) EP0178292B1 (es)
AT (1) AT384813B (es)
DE (1) DE3571033D1 (es)
ES (1) ES8605010A1 (es)
FI (1) FI77252C (es)

Families Citing this family (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4756755A (en) * 1985-06-14 1988-07-12 Harding Jr Norman T Rodent repellent liquids
DE3638456A1 (de) * 1986-11-11 1988-05-19 Dieter Ekkehard Dip Autenrieth Geschmolzener harnstoff als aufschlussmittel fuer lignocellulosische rohstoffe und als chemischer reaktionspartner fuer die beim aufschluss anfallenden polyole oder fuer andere polyole aus anderen quellen
US4777249A (en) * 1987-03-13 1988-10-11 Teepak, Inc. Crosslinked cellulose aminomethanate
US4789006A (en) * 1987-03-13 1988-12-06 Teepak, Inc. Cellulose aminomethanate sausage casings
US5215125A (en) * 1987-03-13 1993-06-01 Teepak, Inc. Cellulose aminomethanate sausage casings
US4762564A (en) * 1987-03-13 1988-08-09 Teepak, Inc. Reinforced cellulose aminomethanate
US5229506A (en) * 1989-06-12 1993-07-20 Teepak, Inc. Preparation of cellulose aminomethanate
US4997934A (en) * 1989-06-12 1991-03-05 Teepak, Inc. Cellulose aminomethanate by weight loss monitoring
US4999425A (en) * 1989-06-12 1991-03-12 Teepak, Inc. Cellulose aminomethanate by ion-exchange extraction
US4997933A (en) * 1989-06-12 1991-03-05 Teepak, Inc. Cellulose aminomethanate by acid neutralization
US5378827A (en) * 1992-12-16 1995-01-03 Zimmer Aktiengesellschaft Process for the production of cellulose carbamate
DE4443547C1 (de) * 1994-12-07 1996-05-09 Fraunhofer Ges Forschung Verfahren zur Herstellung einer Cellulosecarbamatlösung
DE19635707C1 (de) * 1996-09-03 1998-04-02 Inst Textil & Faserforschung Verfahren zur Herstellung von Cellulosecarbamat
DE19715617A1 (de) * 1997-04-15 1998-10-22 Zimmer Ag Verfahren für die modifizierte Herstellung von Cellulosecarbamat
DE10019628A1 (de) * 2000-04-19 2001-10-31 Fraunhofer Ges Forschung Verfahren zur Verringerung des Ordnungsgrades von Cellulose
DE10126244B4 (de) * 2001-05-30 2005-05-12 Deutsche Institute für Textil- und Faserforschung Stuttgart Verfahren zur Herstellung eines cellulosischen Faser- oder Flächengebildes sowie die Verwendung des danach erhaltenen Gewebes, Gestricks oder Vliesstoffs
DE10223172B4 (de) * 2002-05-24 2004-05-06 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Verfahren zur Herstellung von Cellulosecarbamat mittels reaktiver Extrusion und die Verwendung der Verfahrensprodukte zur Herstellung von Formkörpern
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
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
DE102005029793B4 (de) * 2005-06-27 2007-04-26 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Vliesstoffe, Verfahren zu deren Herstellung sowie deren Verwendung
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
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
DE102009017693A1 (de) * 2009-04-15 2010-05-20 Innovent E.V. Technologieentwicklung Verfahren zum Veredeln von Holz
CN105289740B (zh) * 2015-12-04 2017-09-29 武汉理工大学 一种基于碳化mof结构的氧还原催化剂及其制备方法
FI20215213A1 (en) * 2021-02-26 2022-08-27 Infinited Fiber Company Oy Process for preparing cellulose carbamate

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2134825A (en) * 1937-08-30 1938-11-01 Du Pont Chemical process

Also Published As

Publication number Publication date
EP0178292A2 (de) 1986-04-16
DE3571033D1 (en) 1989-07-20
EP0178292B1 (de) 1989-06-14
FI77252C (fi) 1989-02-10
FI77252B (fi) 1988-10-31
AT384813B (de) 1988-01-11
EP0178292A3 (en) 1987-08-05
ATA320084A (de) 1987-06-15
FI853871A0 (fi) 1985-10-07
ES547692A0 (es) 1986-03-01
FI853871L (fi) 1986-04-10

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Legal Events

Date Code Title Description
FD1A Patent lapsed

Effective date: 19970401