ES2135221T3 - Procedimiento para la activacion de polisacaridos, polisacaridos fabricados segun el mismo y su uso. - Google Patents

Procedimiento para la activacion de polisacaridos, polisacaridos fabricados segun el mismo y su uso.

Info

Publication number
ES2135221T3
ES2135221T3 ES96908120T ES96908120T ES2135221T3 ES 2135221 T3 ES2135221 T3 ES 2135221T3 ES 96908120 T ES96908120 T ES 96908120T ES 96908120 T ES96908120 T ES 96908120T ES 2135221 T3 ES2135221 T3 ES 2135221T3
Authority
ES
Spain
Prior art keywords
procedure
polysaccharides
activation
polysaccharid
starting material
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
Application number
ES96908120T
Other languages
English (en)
Inventor
Ties Karstens
Hans Steinmeier
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.)
Cerdia Produktions GmbH
Original Assignee
Rhodia Acetow GmbH
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 Rhodia Acetow GmbH filed Critical Rhodia Acetow GmbH
Application granted granted Critical
Publication of ES2135221T3 publication Critical patent/ES2135221T3/es
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D01F2/02—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from solutions of cellulose in acids, bases or salts
    • 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
    • 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
    • C08B1/06—Rendering cellulose suitable for etherification
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B30/00—Preparation of starch, degraded or non-chemically modified starch, amylose, or amylopectin
    • C08B30/12—Degraded, destructured or non-chemically modified starch, e.g. mechanically, enzymatically or by irradiation; Bleaching of starch
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • C08B37/0006—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid
    • C08B37/0024—Homoglycans, i.e. polysaccharides having a main chain consisting of one single sugar, e.g. colominic acid beta-D-Glucans; (beta-1,3)-D-Glucans, e.g. paramylon, coriolan, sclerotan, pachyman, callose, scleroglucan, schizophyllan, laminaran, lentinan or curdlan; (beta-1,6)-D-Glucans, e.g. pustulan; (beta-1,4)-D-Glucans; (beta-1,3)(beta-1,4)-D-Glucans, e.g. lichenan; Derivatives thereof
    • C08B37/0027—2-Acetamido-2-deoxy-beta-glucans; Derivatives thereof
    • C08B37/003—Chitin, i.e. 2-acetamido-2-deoxy-(beta-1,4)-D-glucan or N-acetyl-beta-1,4-D-glucosamine; Chitosan, i.e. deacetylated product of chitin or (beta-1,4)-D-glucosamine; Derivatives thereof
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08B—POLYSACCHARIDES; DERIVATIVES THEREOF
    • C08B37/00—Preparation of polysaccharides not provided for in groups C08B1/00 - C08B35/00; Derivatives thereof
    • C08B37/006—Heteroglycans, i.e. polysaccharides having more than one sugar residue in the main chain in either alternating or less regular sequence; Gellans; Succinoglycans; Arabinogalactans; Tragacanth or gum tragacanth or traganth from Astragalus; Gum Karaya from Sterculia urens; Gum Ghatti from Anogeissus latifolia; Derivatives thereof
    • C08B37/0087—Glucomannans or galactomannans; Tara or tara gum, i.e. D-mannose and D-galactose units, e.g. from Cesalpinia spinosa; Tamarind gum, i.e. D-galactose, D-glucose and D-xylose units, e.g. from Tamarindus indica; Gum Arabic, i.e. L-arabinose, L-rhamnose, D-galactose and D-glucuronic acid units, e.g. from Acacia Senegal or Acacia Seyal; Derivatives thereof
    • C08B37/0096—Guar, guar gum, guar flour, guaran, i.e. (beta-1,4) linked D-mannose units in the main chain branched with D-galactose units in (alpha-1,6), e.g. from Cyamopsis Tetragonolobus; Derivatives thereof
    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01F—CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
    • D01F2/00—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
    • D01F2/24—Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof from cellulose derivatives

Abstract

SE DESCRIBE UN PROCEDIMIENTO PARA LA ACTIVACION DE POLISACARIDOS, EN EL QUE EL MATERIAL DE PARTIDA POLISACARIDO SE PONE EN CONTACTO CON AMONIACO LIQUIDO A UNA PRESION INICIAL SUPERIOR A LA PRESION ATMOSFERICA Y A UNA TEMPERATURA DE AL MENOS APROXIMADAMENTE 25 IQUIDO AL MENOS PARA LA HUMECTACION DE LA SUPERFICIE DEL MATERIAL DE PARTIDA POLISACARIDO, EXPANDIENDOSE ESTE A CONTINUACION, EN EL QUE EL VOLUMEN DISPONIBLE PARA EL SISTEMA POLISACARIDO/AMONIACO LIQUIDO SE AUMENTA DISMINUYENDO LA PRESION AL MENOS EN 5 BARES Y PRODUCIENDOSE UNA EXPLOSION. EL PROCEDIMIENTO ES ESPECIALMENTE APROPIADO PARA LA ACTIVACION DE CELULOSA, GOMA DE GUAR, ALMIDON Y QUITINA. MEDIANTE EL PROCEDIMIENTO SE CONSIGUE UNA MODIFICACION DE LA CELULOSA NUEVA. LOS POLISACARIDOS ACTIVADOS PRESENTAN UNA MAYOR REACTIVIDAD, ELIMINANDOSE MEJOR LOS REACTIVOS DURANTE LA ACILACION, ALQUILACION, SILILACION, XANTOGENACION Y CARBAMOILACION CON UNOS PROCESOS DE REACCION MUY HOMOGENEOS.
ES96908120T 1995-03-25 1996-03-22 Procedimiento para la activacion de polisacaridos, polisacaridos fabricados segun el mismo y su uso. Expired - Lifetime ES2135221T3 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19511061 1995-03-25

Publications (1)

Publication Number Publication Date
ES2135221T3 true ES2135221T3 (es) 1999-10-16

Family

ID=7757778

Family Applications (1)

Application Number Title Priority Date Filing Date
ES96908120T Expired - Lifetime ES2135221T3 (es) 1995-03-25 1996-03-22 Procedimiento para la activacion de polisacaridos, polisacaridos fabricados segun el mismo y su uso.

Country Status (20)

Country Link
US (1) US5939544A (es)
EP (1) EP0817803B1 (es)
JP (2) JP3390015B2 (es)
KR (1) KR100254840B1 (es)
CN (1) CN1083454C (es)
AT (1) ATE181338T1 (es)
AU (1) AU695331B2 (es)
BG (1) BG62778B1 (es)
BR (1) BR9607992A (es)
CA (1) CA2214245C (es)
CZ (1) CZ284387B6 (es)
DE (2) DE19611416A1 (es)
EA (1) EA000169B1 (es)
ES (1) ES2135221T3 (es)
HU (1) HUP9802337A3 (es)
PL (1) PL322468A1 (es)
RO (1) RO115053B1 (es)
SK (1) SK128597A3 (es)
WO (1) WO1996030411A1 (es)
ZA (1) ZA962370B (es)

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Also Published As

Publication number Publication date
KR100254840B1 (ko) 2000-05-01
AU5148196A (en) 1996-10-16
PL322468A1 (en) 1998-02-02
CZ284387B6 (cs) 1998-11-11
MX9707309A (es) 1997-11-29
BG62778B1 (bg) 2000-07-31
JP2002161101A (ja) 2002-06-04
CN1083454C (zh) 2002-04-24
EP0817803A1 (de) 1998-01-14
HUP9802337A2 (hu) 1999-02-01
EP0817803B1 (de) 1999-06-16
US5939544A (en) 1999-08-17
BG101888A (en) 1998-04-30
CA2214245C (en) 2001-10-02
SK128597A3 (en) 1998-03-04
JPH10505130A (ja) 1998-05-19
ZA962370B (en) 1996-10-07
CZ300597A3 (en) 1997-12-17
JP3390015B2 (ja) 2003-03-24
EA199700268A1 (ru) 1998-02-26
BR9607992A (pt) 1999-11-30
DE59602248D1 (de) 1999-07-22
DE19611416A1 (de) 1996-09-26
CN1179781A (zh) 1998-04-22
AU695331B2 (en) 1998-08-13
KR19980703294A (ko) 1998-10-15
EA000169B1 (ru) 1998-10-29
RO115053B1 (ro) 1999-10-29
ATE181338T1 (de) 1999-07-15
HUP9802337A3 (en) 1999-03-29
WO1996030411A1 (de) 1996-10-03
CA2214245A1 (en) 1996-10-03

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