| abstract |
The invention relates to a biodegradable plastic composition, which comprises at least one synthetic polymer chosen from the class consisting of polyethylene, polypropylene, polystyrene and an ethylene copolymer, mixed in a percentage by weight relative to the weight of the composition, from 10 to 90% of a biodegradable material of which at least 20% by weight consists of a copolymer produced microbiologically containing 3-hydroxybutyrate and 3-hydroxyvalerate according to a molar percentage preferably between 3 and 25 . |