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Table below lists absorption values of an FT-IR band at 1530 cm^-1 due to bending vibrations of polyethylene in polyethylene/polybutadiene (PE/PBT) blends.
Absorbance PE/PBTmol. ratio0.2 0.100.4 0.250.6 0.400.8 0.55
A. Using the above data determine the extinction coefficient for the 1530 cm^-1 band in PE.
B. Determine the molar ratio of PE in PE/poly(methylmethacrylate)(PE/PMMA) blend for which the measured absorbance value of the 1530 cm^-1 band was 0.54
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