Polymerization apparatus and process
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United States of America Patent
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Jun 30, 1981
Grant Date -
N/A
app pub date -
Jul 16, 1979
filing date -
Jul 16, 1979
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This invention relates to a solid state polymerization apparatus comprising a vertically oriented tube through which particulate resin flows downwardly in a plug flow fashion to the cone-shaped bottom portion of the reactor. The apparatus contains as an improvement a resin distribution means in the top portion thereof to distribute added resin in an orderly fashion to maintain a uniform level of polymer and also a double cone perforated gas distribution means in the bottom thereof to prevent backmixing and assure that a uniform plug flow condition is maintained as the polymer descends down the apparatus to a discharge valve at the bottom thereof.
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