Quiz IR Spectroscopy
a) Sketch a dispersive IR instrument and a Fourier Transform IR instrument. What is the difference between these instruments?
b) Sketch the IR absorption pattern you would expect from polystyrene. Identify all absorption bands.
c) Sketch the IR absorption pattern you would expect from polycarbonate. Identify all absorption bands.
d) Sketch the IR absorption pattern you would expect from polymethylmethacrylate.
Identify all absorption bands.
e) Explain how IR can be used to distinguish between different triad tacticities in polymers (you will need to explain what triad tacticity means).