Process for the preparation of Polyesters and copolyesters with Titanium Catalysts and metals from groups Ia, IIA, VIIIa,IB IVB yutilizacion Said Catalysts and Polyester Resins

摘要

This is a procedure to produce esters or oligoesters in the presence of titanium catalyst in the first stage, and then porous production in the presence of titanium compounds and metal compounds selected from slag pile, IIA, VIIIa, IB, IIB, IIIB or IVB while hydrolyzing the precipitate. a. Periodic systems, including titanium compounds and metal compounds, whether or not they are one or more metals, whether or not they are past, rental, alcoholic or titanium carbohydrates, and Sen 50:50 mol / mol ratio of titanium compounds to metal compounds. In addition, these catalysts should be used for the above purposes.