| abstract |
The invention relates to polyester mixtures containing i) between 75 and 95 % by weight, in relation to the total weight of components i and ii, of at least one polyhydroxyalkanoate and ii) between 5 and 25 % by weight, in relation to the total weight of components i and ii, of a lactone or lactam. The invention also relates to a method for preventing the thermal degradation of polyhydroxyalkanoates by the addition of lactones and lactams. |