Biomedical Engineering Reference
In-Depth Information
Fig. 1.3
A pathway designed to produce PHBV in the plastids of plants (Slater et al.
1999
)
and energy storage in form of polymer granules. Figure
1.3
is the pathway designed to
produce PHBV in the plastids of plants.
1.4.1.3 Physical, Mechanical and Miscellaneous Properties of PHB
and PHBV
The typical properties of PHBV and the thermal properties and degradation prod-
ucts of PGA, PLLA and PHBV are given in Tables
1.5
and
1.6
, respectively.
Table 1.5
Typical properties of PHBV (Luzier
1992
)
Property
HV content, mol %
0
10
20
Melting point (0 °C)
177
140
130
Crystallinity (%)
80
60
35
Tensile strength (MPa)
40
25
20
Flexural modulus (GPa)
3.5
1.2
0.8
Extension at break (%)
8
20
50
Impact strength (J/m)
60
110
350
Search WWH ::
Custom Search