PLA 3051D produced by NatureWorks (USA) and provided by
Natureplast (France) has been used as matrix. It has melting temperature
of around 150–165 C, glass transition temperature of 55–
65 C and density of 1.25 g/cm3, as provided by the manufacturer.
The composition of this PLA sample is L- and D-lactide in proportion
96% and 4%, respectively. The average molecular weight is
1.6 104