US Patent 7622061 Apparatus for crystallizing polymer particles

Patent 7622061 was granted and assigned to Honeywell UOP on November, 2009 by the United States Patent and Trademark Office.

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Patent Inventor Names

James F. McGehee0

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Patent abstract

The present invention is a process and apparatus for conserving loss of heat while forming and crystallizing polymer particles in a liquid. The cooling liquid quenches the polymer during particle molding to facilitate shaping. The cooling liquid cools the polymer particles not below a temperature that allows adequate crystallization to occur. Cooling liquid is quickly switched with a warming liquid, so the temperature of the polymer is in the crystallization range and the heat of crystallization self-heats the polymer to a higher temperature.

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Official Website

https://pdfpiw.uspto.gov/.piw?Docid=07622061

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