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1. WO2002022924 - PROCESS FOR PRODUCING FIBRES, FILM, CASINGS AND OTHER PRODUCTS FROM MODIFIED SOLUBLE CELLULOSE

Publication Number WO/2002/022924
Publication Date 21.03.2002
International Application No. PCT/PL2001/000069
International Filing Date 13.08.2001
Chapter 2 Demand Filed 02.04.2002
IPC
A22C 13/00 2006.01
AHUMAN NECESSITIES
22BUTCHERING; MEAT TREATMENT; PROCESSING POULTRY OR FISH
CPROCESSING MEAT, POULTRY, OR FISH
13Sausage casings
C08L 1/02 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
1Compositions of cellulose, modified cellulose, or cellulose derivatives
02Cellulose; Modified cellulose
C08L 1/06 2006.01
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
1Compositions of cellulose, modified cellulose, or cellulose derivatives
02Cellulose; Modified cellulose
06Cellulose hydrate
D01F 2/02 2006.01
DTEXTILES; PAPER
01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
FCHEMICAL FEATURES IN THE MANUFACTURE OF MAN-MADE FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
2Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
02from solutions of cellulose in acids, bases, or salts
CPC
A22C 13/0013
AHUMAN NECESSITIES
22BUTCHERING; MEAT TREATMENT; PROCESSING POULTRY OR FISH
CPROCESSING MEAT, POULTRY, OR FISH
13Sausage casings
0013Chemical composition of synthetic sausage casings
C08L 1/02
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
1Compositions of cellulose, modified cellulose or cellulose derivatives
02Cellulose; Modified cellulose
C08L 1/06
CCHEMISTRY; METALLURGY
08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
1Compositions of cellulose, modified cellulose or cellulose derivatives
02Cellulose; Modified cellulose
06Cellulose hydrate
D01D 1/02
DTEXTILES; PAPER
01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
DMECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS
1Treatment of filament-forming or like material
02Preparation of spinning solutions
D01F 2/02
DTEXTILES; PAPER
01NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
FCHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS
2Monocomponent artificial filaments or the like of cellulose or cellulose derivatives; Manufacture thereof
02from solutions of cellulose in acids, bases or salts
Applicants
  • INSTYTUT WLÓKIEN CHEMICZNYCH [PL]/[PL] (AllExceptUS)
  • STRUSZCZYK, Henryk [PL]/[PL] (UsOnly)
  • WAWRO, Dariusz [PL]/[PL] (UsOnly)
  • URBANOWSKI, Alojzy [PL]/[PL] (UsOnly)
  • MIKOLAJCZYK, Wlodzimierz [PL]/[PL] (UsOnly)
  • STAROSTKA, Pawel [PL]/[PL] (UsOnly)
Inventors
  • STRUSZCZYK, Henryk
  • WAWRO, Dariusz
  • URBANOWSKI, Alojzy
  • MIKOLAJCZYK, Wlodzimierz
  • STAROSTKA, Pawel
Agents
  • PRUSKA-JABLONSKA, Teresa
Priority Data
P.34252513.09.2000PL
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) PROCESS FOR PRODUCING FIBRES, FILM, CASINGS AND OTHER PRODUCTS FROM MODIFIED SOLUBLE CELLULOSE
(FR) PROCEDE DE PRODUCTION DE FIBRES, DE FILMS, DE BOITIERS ET D'AUTRES PRODUITS A PARTIR DE CELLULOSE SOLUBLE MODIFIEE
Abstract
(EN)
Process for producing fibres film, casings and other products from modified soluble cellulose wherein the initial cellulose is hydrothermally treated at a temperature in the 100-200 °C range, under a pressure in the range from 0.1 to 1.5 Mpa in a water/cellulose ratio on a weight basis of at least 1:1 in the presence of a complex activator composed of Lewis acids and/or bases and/or their salts in an amount of at least 0.0001% by weight calculated on cellulose. The obtained modified cellulose pulp after, a possible purification, is in a dry or never dried condition, dissolved in an aqueous solution of alkali metal hydroxides. The dissolving is carried out at a temperature not lower than 0 °C for 1-120 minutes to obtain a homogenous spinning solution with the cellulose concentration at least 1% by weight. The alkaline cellulose solution is filtered, deaerated and coagulated by contacting it with water or aqueous acidic solutions. The produced fibres, film, casings and other products are washed with water to a neutral reaction and finished in a standard way.
(FR)
L'invention concerne un procédé de production de fibres, de films, de boîtiers et d'autres produits à partir de cellulose soluble modifiée, la cellulose de départ étant traitée de manière hydrothermique à une température située dans la plage comprise entre 100° et 200°, sous une pression située dans la plage comprise entre 0,1 et 1,5 Mpa dans un rapport pondéral eau/cellulose d'au moins 1 : 1, en présence d'un activateur complexe composé d'acides de Lewis et/ou de bases et/ou de leurs sels dans une quantité d'au moins 0,001 % en poids calculé sur la cellulose. La pâte de cellulose modifiée obtenue, après une éventuelle purification, est, à l'état humide, dissoute dans une solution aqueuse d'hydroxydes de métal alcalin. La dissolution est effectuée à une température égale ou supérieure à 0°, pendant une durée comprise entre 1 et 120 minutes, de manière à obtenir une solution de filage dont la concentration en cellulose est d'au moins 1 % en poids. La solution de cellulose alcaline est filtrée, désaérée et coagulée par mise en contact de celle-ci avec de l'eau ou des solutions aqueuses d'acide. Les fibres, films, boîtiers et autres produits obtenus sont lavés avec de l'eau jusqu'à neutralité et finis d'une manière classique.
Also published as
Latest bibliographic data on file with the International Bureau