Process for the continuous production of high molecular...

Details Process for the continuous production of high molecular... Process for the continuous production of high molecular...

C - Chemistry, Metallurgy

08

G

C08G 63/91 (2006.01) C08G 63/20 (2006.01) C08G 63/80 (2006.01) C08J 11/06 (2006.01) C08J 11/26 (2006.01) B29C 47/00 (2006.01)

Patent

CA 2044175

A process for the fast upgrading of a PET resin comprises the extrusion of a low molecular weight PET with a dianhydride of an aromatic tetracarboxylic acid. The molten product is pelletized and fed to a solid state polycondensation reactor.

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