Synthesis and Characterization of Polycarbonate Copolymers Containing Benzoyl Groups on the Side Chain for Scratch Resistance

Table 1

Properties of polycarbonates.

Polymers	(°C)	TGA (°C, 5 wt% loss)		Contact angle (°)	Surface hardness
BPA-PC	151	495	54,400	96.3	6B
DBHP 25	148	431	58,200	103.2	5B
DBHP 50	143	385	61,700	108.6	3B
DBHP 75	145	372	64,900	112.3	2B
DBHP 100	146	363	68,100	115.7	1B