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  4. Verfahren zur Herstellung von Fasern und anderen Formkoerpern aus Cellulosecarbamat und/oder regenerierter Cellulose
 
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Patent
Title

Verfahren zur Herstellung von Fasern und anderen Formkoerpern aus Cellulosecarbamat und/oder regenerierter Cellulose

Other Title
Producing fibers or other shaped products comprises extruding a lyotropic solution of cellulose carbamate in N-methylmorpholine N-oxide through a die via an air gap into a precipitant bath.
Abstract
Die Erfindung betrifft hochfeste Fasern und andere Formkoerper aus Cellulosecarbamat bzw. Cellulose, die durch Regenerierung von Cellulosecarbamat erhalten wird, sowie ihre Herstellung durch Extrusion einer Loesung von Cellulosecarbamat in N-Methylmorpholin-N-Oxid (NMMNO).

; 

DE1004007616 A UPAB: 20051014 NOVELTY - Producing fibers or other shaped products comprises extruding a lyotropic solution of cellulose carbamate in N-methylmorpholine N-oxide through a die via an air gap into a precipitant bath. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for fibers or other shaped products made from cellulose carbamate and/or regenerated cellulose and having a strength of at least 60 cN/tex. USE - Producing fibers or other shaped products (tire cord is mentioned). ADVANTAGE - The fibers have greater strength than conventional Lyocell fibers (compare US3767756 and DE2830685).
Inventor(s)
Fink, H.
Weigel, P.
Rihm, R.
Link to:
Espacenet
Patent Number
102004007616
2005-EP1642
Publication Date
2007
Language
German
Fraunhofer-Institut für Angewandte Polymerforschung IAP  
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