Aliphatic copolyester aromatic biodegradable.

Aliphatic copolyester / biodegradable aromatic (AAPE) comprising: A) an acid component comprising repeating units of: 1) 53 to 64 mol% of an aromatic carboxylic acid; 2) 47-36% of an aliphatic acid at least 50% of which is azelaic acid; B) a diol component selected from the group consisting of diols C3, C4 and C6; said AAPE disintegrating according to ISO 20200 in 90 days and having: - a density lower than 1.22 g / cc - a number average molecular weight Mn of from 40,000 to 140,000 - an inherent viscosity of 0.8-1.5. - a modulus of elasticity exceeding 100 MPa; - a polydispersity index determined by means of GPC of between 1.8 and 2.5.