Method and apparatus for the manufacture of fibrids
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United States of America Patent
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May 8, 1990
Grant Date -
N/A
app pub date -
Nov 8, 1988
filing date -
Nov 8, 1988
priority date (Note) -
Expired
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Abstract
A method and apparatus for the formation of polymer fibrids. These fibrids are produced by the mixing of superheated water and melted polymer and by passing this mixture through a bank of capillary tubes. The mixture becomes elongated in the capillary tubes and exits those tubes through a nozzle into an expansion chamber where they form fibrids. The fibrids are cooled by the evaporation of liquid water after expansion.
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