Table 1.

Properties of PHAs and polypropylenea

ParameterValue forb:
P(3HB)P(3HB-3HV)P(3HB-4HB)P(3HO-3HH)PP
Tm(°C)c17714515061176
Tg(°C)d2−1−7−36−10
Crystallinity (%)7056453060
Extension to break (%)550444300400
  • a Data from reference42.

  • b P(3HB) is poly(3-hydroxybutyrate), P(3HB-3HV) is poly(3-hydroxybutyrate-co-3-hydroxyvalerate) containing 20% 3HV, P(3HB-4HB) is poly(3-hydroxybutyrate-co-4-hydroxybutyrate) containing 16% 4HB, P(3HO-3HH) is poly(3-hydroxyoctanoate-co-3-hydroxyhexanoate) containing 11% 3HH, and PP is polypropylene.

  • c Tm is melting temperature.

  • d Tg is glass transition temperature.