Optical Study on Poly(methyl methacrylate)/Poly(vinyl acetate) Blends

Figure 3

Absorption spectrum of (a) pure PMMA, (b) blend of (50/50 PMMA/PVAc), and (c) pure PVAc before (—) and after (- - -) exposure to UV radiation for 24 hours.

(a)

(b)

(c)