Protection of Flax/PLLA Biocomposites from Seawater Ageing by External Layers of PLLA

Table 1

Evolution of mechanical properties od neat PLLA after 3 months in seawater.

Ageing temperature	Property at	Property at months	Evolution of properties (%)
Young’s modulus (MPa)
20°C	3823 ±23	4102 ± 143	+7
40°C		4956 ± 448	+29
Maximal Stress (MPa)
20°C	49.6 ±3.9	42.2 ± 0.9	−15
40°C		26.2 ± 2.7	−48
Break strain (%)
20°C	1.4 ±0.1	1.4 ± 0.1	0
40°C		0.7 ± 0.2	−50