Continuous process for polymerizing a vinyl monomer
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United States of America Patent
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Dec 19, 2000
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N/A
app pub date -
Sep 18, 1998
filing date -
Sep 19, 1997
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Abstract
The present invention relates to a continuous process for polymerizing a vinyl monomer wherein a liquid reaction mixture flows through a tubular reactor equipped with a primary heat exchanger connected to a primary cooling loop where a primary coolant liquid circulates, optionally cooled by contact with a secondary heat exchanger fitted in the said primary loop and placed in a heat exchange zone of a secondary cooling device containing a secondary coolant liquid. The primary coolant liquid employed in the absence of a secondary cooling device or the secondary coolant liquid consists essentially of superheated water under pressure which produces low-pressure steam which preferably is recovered at least partly thermally or energetically.
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