COMPOSITION CONTAINING A LACTIC ACID HOMOPOLYMER AND A BLOCK COPOLYMER

摘要

The invention relates to a composition containing at least one lactic acid homopolymer and at least one block copolymer having a polydispersity index of 1.5 to 5, and containing: at least one block A miscible with the homopolymer and comprising monomers containing at least one methacrylate of the formula CH2-C (CH3) -COOR1; and at least one block B non-miscible with the homopolymer, comprising monomers containing at least one alkyl acrylate of the formula CH2-CH-COOR2 and/or at least one methacrylate of the formula CH2-C (CH3) -COOR3. The invention also relates to the use of this composition in the production of medical articles, textile fibres, heat-shaped trays or packaging, in particular films or bottles.