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

Table 2

The band tail width 𝐸_𝑢 (eV) for different concentrations of (PMMA/PVAc) blends after exposure to UV and filtered radiation at different exposure times.

PMMA/PVAc	Exposure radiation	Exposure Time (Hour)
		0	4	12	20
(100/0)	filter	0.40	0.41	0.43	0.45	0.46
	UV	0.40	0.42	0.46	0.49	0.53
(75/25)	filter	0.39	0.39	0.43	0.43	0.43
	UV	0.39	0.39	0.43	0.45	0.48
(50/50)	filter	0.38	0.38	0.41	0.42	0.42
	UV	0.38	0.38	0.43	0.45	0.47
(25/75)	filter	0.28	0.28	0.30	0.30	0.32
	UV	0.28	0.31	0.35	0.38	0.38
(0/100)	filter	0.24	0.28	0.30	0.32	0.32
	UV	0.24	0.34	0.37	0.37	0.38