Table 4.

Interfacial tension and spreading coefficients between polymers and nanofiller.

Component	Interfacial Tension	Blend (i:j)	Spreading	${\mathbf{\theta }}_{\mathit{ij}}^{\mathit{o}}$	Wetting	Particulate
	$\frac{\mathit{mN}}{\mathit{m}}$		Coef		Coef	Localization
PHBV/PLA	1.924	PHBV:PLA	−6.0072	29.918	−7.4971	PHBV
PHBV/CB	5.187	PLA:PHBV	2.1592	150.08	7.4971	PHBV
PLA/CB	8.682