... results of PHB, PHBV( 5%), PHBV( 8%) and PHBV( 12%) microspheres before and after degradation 75 Table 4.13 DSC results of PHB, PHBV( 5%), PHBV( 8%) and PHBV( 12%) microspheres before and after degradation ... 4.10 Mass loss of the PHB, PHBV( 5%), PHBV( 8%) and PHBV( 12%) microspheres one year after degradation 73 Table 4.11 Contact angle measurements of the PHB, PHBV( 5%), PHBV( 8%) and PHBV( 12%) thin ... weight of the PHB, PHBV( 5%), PHBV( 8%) and PHBV( 12%) microspheres as a function of degradation time 76 Fig 4.22 Melting endotherms of the representative PHB and PHBV( 5%) microspheres before (solid...