MX9704972A - Proceso directo para la produccion de esteres de celulosa. - Google Patents

Proceso directo para la produccion de esteres de celulosa.

Info

Publication number
MX9704972A
MX9704972A MX9704972A MX9704972A MX9704972A MX 9704972 A MX9704972 A MX 9704972A MX 9704972 A MX9704972 A MX 9704972A MX 9704972 A MX9704972 A MX 9704972A MX 9704972 A MX9704972 A MX 9704972A
Authority
MX
Mexico
Prior art keywords
cellulose esters
production
direct process
diluent
agu
Prior art date
Application number
MX9704972A
Other languages
English (en)
Other versions
MXPA97004972A (es
Inventor
Kevin Joseph Edgar
Richard Thomas Bogan
Original Assignee
Eastman Chem Co
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 Eastman Chem Co filed Critical Eastman Chem Co
Publication of MX9704972A publication Critical patent/MX9704972A/es
Publication of MXPA97004972A publication Critical patent/MXPA97004972A/es

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
    • C08B3/16—Preparation of mixed organic cellulose esters, e.g. cellulose aceto-formate or cellulose aceto-propionate
    • 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
    • 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
    • C08B3/06—Cellulose acetate, e.g. mono-acetate, di-acetate or tri-acetate
    • 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
    • C08B3/08—Preparation of cellulose esters of organic acids of monobasic organic acids with three or more carbon atoms, e.g. propionate or butyrate

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Biochemistry (AREA)
  • Materials Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polysaccharides And Polysaccharide Derivatives (AREA)

Abstract

La presente invencion se relaciona con un proceso para preparar ésteres de celulosa que tienen un DS/AGU total de 0.1 a 3.0, el proceso comprende poner en contacto los siguientes: (i) un material de celulosa, (ii) una cantidad solubilizante de un sistema de solvente que comprende un diluyente carboxamida o un diluyente a base de urea, (iii) un reactivo de acilacion, y (iv) un compuesto que contiene titanio.
MXPA/A/1997/004972A 1994-12-30 1997-06-27 Proceso directo para la produccion de esteres decelulosa MXPA97004972A (es)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US08/367,025 US5750677A (en) 1994-12-30 1994-12-30 Direct process for the production of cellulose esters
US08367025 1994-12-30
PCT/US1995/016562 WO1996020960A1 (en) 1994-12-30 1995-12-15 A direct process for the production of cellulose esters

Publications (2)

Publication Number Publication Date
MX9704972A true MX9704972A (es) 1997-10-31
MXPA97004972A MXPA97004972A (es) 1998-07-03

Family

ID=

Also Published As

Publication number Publication date
US5750677A (en) 1998-05-12
DE69526594T2 (de) 2002-08-22
WO1996020960A1 (en) 1996-07-11
EP0800537B1 (en) 2002-05-02
US5929229A (en) 1999-07-27
EP0800537A1 (en) 1997-10-15
CA2208662A1 (en) 1996-07-11
DE69526594D1 (de) 2002-06-06
JPH10511728A (ja) 1998-11-10

Similar Documents

Publication Publication Date Title
DE69526594D1 (de) Direktverfahren zur herstellung von zelluloseestern
EP0490870A3 (en) Process for the production of cellulose articles
AU5104196A (en) Modified starch from plants, plants synthesizing the same, as well as process for their production
AU2577984A (en) Improved organosolv process for hydrolytic decomposition of lignocellulosic and starch materials
AU6112790A (en) N-(substituted benzyloxy)imine derivatives, process for the production thereof, use thereof, and method of use thereof
EP1308553A3 (en) Functional fiber products and process for producing same
AU2518395A (en) Process for the production of a cellulose suspension
TR199700597T1 (en) Kal�ptan �ekilmi� e�yalar�n imalat�.
PL326322A1 (en) Ciral methylphenyloxyazolydinones
NZ324588A (en) Purified xylanase, derived from acidothermus cellulolyticus, having a pH optimum of 3.6 to 4.2 and a Mr of 50-55kD
AU634273B2 (en) Cellulose fiberization process and apparatus
MX9704973A (es) Proceso para la preparacion de esteres de celulosa utilizando un catalizador de resina de acido sulfonico.
AU8558591A (en) Process and catalyst for the production of ethylene and acetic acid
IL124645A0 (en) Process for the production of 1, 2-bis (acyloxylates)
NO305292B1 (no) FremgangsmÕte til fremstilling av regenerte cellulosefibre
HUP9800831A3 (en) Process for producing cellulose fibres, cellulose fibres and products containing them
ZA942727B (en) Process for the production of cellulose fibres having a reduced tendency to fibrillation.
HUP9601321A3 (en) Substituted (benzyloxy)-carbonyl-guanidine derivatives, process for producing them, pharmaceutical compositions containing them their use as pharmaceutical compositions or diagnostica, and the use of the said compds.
AU5623790A (en) Moulding compositions comprising polyolefins and cellulose fibres, process for their manufacture and objects wrought from these compositons
AU2895397A (en) Novel substance library and supramolecular complexes prepared therewith
YU12000A (sh) Supstituisani 1,2,3,4,5,6-heksahidro-2,6-metano-3-benzazocin -10-oli, postupak za njihovo pripremanje i njihova primena kao lekova
EP0490677A3 (en) Process for the production of cellulose ester fibrets
HUP9901713A3 (en) Process for the production of enantiomerically-pure azetidine-2-carboxylic acid
FI881282A0 (fi) Menetelmä delignifioitujen selluloosa-aineiden poistamiseksi keittimistä
EP0490678A3 (en) Process for the production of cellulose ester fibrets

Legal Events

Date Code Title Description
FG Grant or registration
MM Annulment or lapse due to non-payment of fees