3.3 Characterisation and Properties of PVA/BC Bionanocomposites
65
PVA/MBC
PVA/NBC
PVA/ND [36]
PVA/GO [32]
PVA/GO [33]
PVA/SWNT [34]
PVA/SWNT [37]
PVA/MWNT [38]
PVA/MWNT [39]
PVA/MWNT+GO [35]
(b)
(a)
(c)
Fig. 3.7 Mechanical properties of PVA/NBC bionanocomposites and PVA/MBC bionanocomposites at different NBC and MBC contents: a tensile modulus and tensile strength, b elongation at
break and tensile toughness and c relative change of tensile strength versus filler content [9]
Table 3.2 Mechanical properties of PVA/MBC bionanocomposites and PVA/NBC
bionanocomposites [9]
Material type
Tensile modulus
(GPa)
Tensile strength
(MPa)
Elongation at
break (%)
Toughness
(MJ/m 3 )
PVA
2.08 ± 0.21
70.32 ± 2.9
14.60 ± 0.65
5.84 ± 0.21
PVA/MBC/3
wt%
3.54 ± 0.52
120.64 ± 4.3
6.93 ± 0.72
4.86 ± 0.20
PVA/MBC/5
wt%
4.03 ± 0.39
95.06 ± 3.1
5.98 ± 0.58
3.1 ± 0.25
PVA/MBC/10
wt%
4.16 ± 0.41
80.69 ± 4.4
4.85 ± 0.47
1.96 ± 0.19
PVA/NBC/3 wt% 3.55 ± 0.16
147.94 ± 3.9
10.14 ± 0.29
5.2 ± 0.11
PVA/NBC/5 wt% 4.09 ± 0.25
118.73 ± 4.8
7.22 ± 0.45
3.52 ± 0.11
PVA/NBC/10
wt%
4.63 ± 0.18
96.34 ± 4.1
4.96 ± 0.42
2.45 ± 0.13