Polyester production process and reactor apparatus
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United States of America Patent
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Feb 8, 2005
Grant Date -
Nov 18, 2004
app pub date -
Oct 27, 2003
filing date -
Jul 10, 2001
priority date (Note) -
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Abstract
The invention provides a polyester production process by bulk polymerization in a reactor, wherein the volume of the resulting polyester is shrunk for a release from the inner surface of the reactor, so that the polyester can be recovered in the form of a bulky mass. The invention also provides a reactor for bulk polymerization for polyester, which comprises an inner surface that enabling the resulting polyester to be released therefrom upon its volume shrinkage.
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