Research Article

Thermal, Morphological, and Biodegradability Properties of Bioplastic Fertilizer Composites Made of Oil Palm Biomass, Fertilizer, and Poly(hydroxybutyrate-co-valerate)

Table 3

DSC characterisation of pure PHBv, PHBv/NPK, and PHBv/NPK/EFB composites.

Sample (°C) (°C) (°C)

NPKC1200.68110.26
NPKC230.1986.29
EFB76.35
PHBv46.5894.21171.69
PHBv/NPKC141.8287.29166.38
PHBv/NPKC243.7190.84151.63
PHBv/EFB/NPKC140.4990.79166.53
PHBv/EFB/NPKC244.2989.07161.29

Notes: crystallization temperature (), glass transition temperature (), and melting temperature ().
PHBv (poly(hydroxybutyrate-co-valerate)), NPKC1 (uncoated) and NPKC2 (coated), and EFB (empty fruit bunch).