Flash flow processing of thermoplastic polymers and products made therefrom
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United States of America Patent
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Oct 10, 2000
Issued Date -
N/A
app pub date -
Oct 29, 1993
filing date -
May 17, 1991
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Expired
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Abstract
A method of producing a solid thermoplastic-containing matrix by flash flow processing thermoplastic polymers as well as the products produced by such method is provided. The method involves subjecting a feedstock of a thermoplastic polymer to flash flow melt spin processing at a temperature of about 200-430.degree. F. and shear imposed by centrifugal force from an operating speed of about 3600-3800 rpm. The matrix thus prepared is in the form of a floss, fiber, flake, filament, ribbon, spicule and mixtures thereof A guest material such as a dye, a fragrance, a comestible, an oil, a photographic reducer and developer, an organism, an antioxidant and a medicament may further be incorporated into the feedstock prior to processing.
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