Figure 5.

FTIR absorption spectrum of D30 (solid) and PMMA–D30 (dashed) on PE. Functional groups present are as follows: −CH₂– backbone at ∼2990 cm^–1, C=O ester at ∼1750 cm^–1, −O–CO–CH₃ ester group at ∼1400 cm^–1, −C–O– bond at ∼1300–1100 cm^–1.