S.No. Absorption bands (cm-1) and their peak assignments            PP (Polypropylene) with Nickel 12 hydroxy oleate   1%,2% and 3% comparable with virgin PP 1. 973 -CH2 Rocking Vibration 2. 997 -CH3 Rocking Vibration 3. 1167 -CH3 symmetric deformation 4. 1454 -CH2 symmetric deformation 5. 2839 -CH3 symmetric deformation 6. 2951 -CH2 anti symmetric stretching 7 1636 --C=C- stretching form  from  -CH3 symmetric deformation

Tables 6: Characterization peak in FTIR for PP 1%, 2%, 3% Ni-12 hydroxyl oleate after biodegradation -C=C- slightly increases 1636 cm-1.