1. The direct contact layer may comprise a hydrophobic polymer selected from poly(epsilon-caprolactone) (PCL) polyhydroxybutyrate (PHB), Polydioxanone (PDO) polyglycolic acid (PGA), polybutylene succinate (PBS), polybutylene succinate adipate (PBS A), poly lactic acid (PL A), polybutylene adipate terphtalate (PBAT), polyhydroxyalkanoates (PHA), such as polyhydroxybutyrates (PHB), polyhydroxyvalerates (PHV), and polyhydroxybutyrate-hydroxyvalerate copolymers (PHBV) or any mixture thereof.

La couche de contact direct peut comprendre un polymère hydrophobe choisi parmi la poly(epsilon-caprolactone) (PCL), le polyhydroxybutyrate (PHB), la polydioxannone (PDO), le poly(acide glycolique) (PGA), le poly(succinate de butylène) (PBS), le poly(succino-adipate de butylène) (PBS A), le poly(acide lactique) (PL A), le poly(adipate-téréphtalate de butylène) (PBAT), les polyhydroxyalcanoates (PHA), tels que les polyhydroxybutyrates (PHB), les polyhydroxyvalérates (PHV) et les copolymères poly(hydroxybutyrate-hydroxyvalérate) (PHBV), ou tout mélange de ceux-ci.