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Patent Searching and Data


Title:
METHOD FOR COOLING POST REACTOR POLYETHYLENE TEREPHTHALATE FLAKES
Document Type and Number:
WIPO Patent Application WO2002060959
Kind Code:
A8
Abstract:
A process for colling post solid-stating reactor PET flakes comprises conveying PET flakes from a solid-stating reactor to a first separator in the presence of air and water at an elevated pressure whereby the PET flakes are partially cooled and the water is converted to steam by contact with the PET flakes, separating the steam from te partially cooled PET flakes, and conveying the partially cooled PET flakes from the first separator to a second separator in the presence of air at an elevated pressure.

Inventors:
BALDUFF DENNIS C (US)
SCHWORM HENRY A (US)
Application Number:
US0149507W
Publication Date:
October 17, 2002
Filing Date:
December 28, 2001
Export Citation:
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Assignee:
PLASTIC TECHN INC (US)
BALDUFF DENNIS C (US)
SCHWORM HENRY A (US)
International Classes:
C08G63/80; (IPC1-7): C08F6/00
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