Method for granulating and crystallizing thermoplastic polymers
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United States of America Patent
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Oct 30, 2012
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N/A
app pub date -
Mar 5, 2008
filing date -
Mar 15, 2007
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Abstract
The invention relates to a method for granulating and crystallizing thermoplastic polymers, the granules being contained in a liquid after granulation of a polymer melt and the granules being nucleated in the liquid once the pressure of the liquid is increased and the temperature of the liquid is increased, and the granules being crystallized in the liquid once the pressure of the liquid is again increased and the temperature of the liquid is again increased. According to the invention, the granules are removed from the liquid once the pressure and the temperature of the liquid containing the granules have been reduced.
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