S.No.

Absorption bands (cm-1) and their peak assignments

PP (Polypropylene)

1.

973

-CH2 Rocking Vibration

2.

997

-CH3 Rocking Vibration

3.

1167

-CH3 symmetric deformation

4.

1454

-CH2 symmetric deformation

5.

1167

-CH3 symmetric deformation

6.

2929

-CH2 anti symmetric deformation

Table 10: Characteristic peak values in FTIR spectra for virgin PP.