Process for the preparation of polyester resins

摘要

Process for the preparation of polyethyleneterephthalate (PET) which comprises polymerizing the reagents in the presence of a catalytic system consisting of 0-80% by weight of antimonium and 20-100% by weight, calculated with respect to the weight of the PET produced, of commercial titanium dioxide and a stabilizer having general formula (I) : <CHEM> wherein R1 and R2 represent C1-C5 (iso)alkyl radicals.i