Patent ID: 8809423

Claim:
Biodegradable material for injection molding comprising, with respect to the total weight of the material: starch, present in a quantity ranging between 25 and 80 wt %; non pre-plasticized polyvinyl alcohol-co-vinyl acetate copolymer present in a quantity ranging between 10 and 45 wt %; at least one plasticizer, present in a quantity ranging between 10 and 43 wt %; wherein said polyvinyl alcohol-co-vinyl acetate copolymer has a degree of hydrolysis of >95%, and said material has a viscosity in molten state, measured at T=180° C. and γ ap =103 s −1 , of <1200 Pa·s, and a crystallization temperature >105° C., said plasticizer being selected from the group of polyols, and said material has a water content <7 wt %.