CONTINUOUS METHOD FOR OBTAINING COMPOSITE FIBRES CONTAINING COLLOIDAL PARTICLES AND RESULTING FIBRE
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United States of America Patent
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Issued Date -
Aug 5, 2010
app pub date -
Mar 18, 2008
filing date -
Sep 18, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
The invention relates to a method for obtaining composite fibers, that comprises dispersing colloidal particles in a solvent, injecting the dispersion into a co-flow of a polymer coagulation solution for forming a pre-fiber, circulating the pre-fiber in a duct, extracting, optionally washing and drying the pre-fiber in order to obtain a fiber, and winding the fiber thus obtained, characterized in that the minimum retention time of the fiber within the duct is adjusted so that it has a mechanical strength sufficient to be extracted from the duct, and in that its extraction is vertical and continuous. The invention also relates to composite fibers that can be made according to said method.
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