Patent ID: 7388048

Claim:
Composition comprising, by weight, the total being 100: -60 to 99.5% of at least one copolyamide of formula X/Y,Ar in which there is between 0.5 and 0.7 mol of ×per 1 mol of Y, and in which: Y denotes the residues of 1,10-decanediamine, Ar denotes the residues of terephthalic acid, X denotes a) the residue of aminoundecanoic acid NH 2 —(CH 2 ) 10 —COOH, b) the unit Y,I, residue from the condensation of the diamine (Y) with isophthalic acid, wherein said composition is a flexible semiaromatic copolyamide; and −0.5 to 40% of at least one product chosen from plasticizers, wherein said composition has a low water uptake of 3% or less.