Hence, another aspect of the invention is a process for forming a multilayered shaped article, comprising: (i) heating a first component to a temperature of about Tg+100?? C. to about Tg+300?? C. of the first component, the first component comprising at least one polyester which comprises: (a) diacid residues comprising about 70 to about 100 mole percent, based on the total diacid res