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

Table 1

Physical properties of PMMA materials.

No.	PMMA film	Color	Conversion (%)	M.P. (°C)
1	PMMA (blank)	White	—	160–162
2	PMMA/Schiff base	Pale yellow	75	220–222
3	PMMA/Schiff base/Me	Yellow	72	264–266
4	PMMA/Schiff base/Bu	Yellow	74	280–282
5	PMMA/Schiff base/Ph	Dark yellow	75	290–292