Electro-blowing technology for fabrication of fibrous articles and its applications of hyaluronan
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United States of America Patent
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Feb 16, 2010
Grant Date -
Apr 7, 2005
app pub date -
Oct 1, 2003
filing date -
Oct 1, 2003
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Abstract
A method for electroblowing fibers is provided which involves the steps of: forcing a polymer fluid through a spinneret in a first direction towards a collector located a first distance from the spinneret, while simultaneously blowing a gas through an orifice that is substantially concentrically arranged around the spinneret, wherein the gas is blown substantially in the first direction; wherein an electrostatic differential is generated between the spinneret and the collector; and collecting the fibers, and its use in preparing submicron scale fibers of various types, particularly hyaluronan fibers, and the hyaluronan nanofibers thus formed.
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