Table 2: Tensile properties of the films of neat PLLA and chitosan-PLLA blends treated in extruder at various temperatures.

SampleTensile strength (MPa)Strain at tensile strength (%)Modulus of elasticity (GPa)

PLLA48.02.42.3
CPL1 (50) fast cooling51.02.02.9
CPL1 (100) fast cooling32.01.52.3
CPL1 (130) fast cooling18.30.72.7
CPL1 (130) annealing21.30.73.0
CPL2 (100) fast cooling40.01.62.6