C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 63/80 (2006.01)
Patent
CA 2163954
Process for the solid state polycondensation of polyester resins, where an inert gas is circulating in a moving bed of polymer at a temperature between 180° and 230°C, chara- cterized by the fact that the ratio by weight between the gas rate of flow per hour and that one of the discharged polymer is lower than 0.6.
Al Ghatta Hussain Ali Kashif
Giordano Dario
Macrae & Co.
Uop N.v.
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