Investigation of the Impact of Chemical Modifications on the Photostability of Polymethyl Methacrylate

Table 2

Roughness factor (Rq; nm) of irradiated (300 h) PMMA films.

No.	Modified PMMA film	Rq (nm)
1	PMMA (blank)	307.6
2	PMMA/Schiff base	83.4
3	PMMA/Schiff base/Me	62.8
4	PMMA/Schiff base/Bu	50.1
5	PMMA/Schiff base/Ph	28.6