Plastic and nonmetallic article shaping or treating: processes – Formation of solid particulate material directly from molten... – By impinging or atomizing with gaseous jet or blast
Patent
1991-09-17
1994-01-18
Ryan, Patrick J.
Plastic and nonmetallic article shaping or treating: processes
Formation of solid particulate material directly from molten...
By impinging or atomizing with gaseous jet or blast
264140, 264167, 428364, B22D 2308
Patent
active
052797767
ABSTRACT:
A method for making strong discrete fibers by flash spinning a polymer solution through a spinneret. A gaseous fluid is injected in parallel into the core of the polymer solution prior to passage through the spinneret. The high shear forces the gaseous fluid exerts on the polymer solution cause highly oriented, strong discrete fibers to be produced upon flashing through the spinneret rather than continuous fibers.
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E. I. Du Pont de Nemours and Company
Ryan Patrick J.
Weisberger Richard C.
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