Patent ID: 8003731

Claim:
A biodegradable polyester mixture, comprising i) from 40 to 60% by weight, based on the total weight of i) and ii), of at least one polyester based on aliphatic and aromatic dicarboxylic acids and on aliphatic dihydroxy compounds; and ii) from 60 to 40% by weight, based on the total weight of i) and ii), of at least one biodegradable homo- or copolyester selected from the group consisting of polylactide, polyhydroxyalkanoates, and polyesters composed of aliphatic dicarboxylic acids and aliphatic diols; and iii) from 0.1 to 15% by weight, based on the total weight of i) and ii), of a copolymer composed of styrene and glycidyl (meth)acrylates; and iv) from 0 to 15% by weight of additive; and v) from 0 to 50% by weight of inorganic or organic filler; wherein i) forms a continuous or co-continuous phase.