Sample Identification Melting Temperature °C Degree of crystallinity PP VIRGIN 165.26 100 PP 1 % D1 BBD 164.98 98 PP 1 % D1 ABD 158.02 94 PP 2 % D1 BBD 164.68 80 PP 2 % D1 ABD 157.56 76 PP 3 % D1 BBD 164.55 68 PP 3 % D1 ABD 157.03 64

BBD= Before Biodegradation m, ABD = After Biodegradation

Table 8: Effect of oleate on melting temperature of PP–Ni 12 hydroxy oleate before and after biodegradation.