. Author manuscript; available in PMC: 2017 Mar 7.

Published in final edited form as: Macromol Mater Eng. 2016 Jul 11;301(10):1211–1224. doi: 10.1002/mame.201600133

Table 3.

Carbon at% present as C−O−C (286.5 eV) determined from high-resolution XPS scans.

	Unsterilized	Mild	Medium	Severe
		E-beam

E0000	7.7	13.5	8.8	9.8
E1001(1k)	6.6	9.4	14.2	10.2
E2502(2k)	15.1	14.7	11.1	11.1
E5005(2k)	16.2	7.7	16.2	5.6

		Gamma

E0000	7.7	6.1	10.1	10.9
E1001(1k)	6.6	9.7	7.9	13.8
E2502(2k)	15.1	13.7	9.0	9.8
E5005(2k)	16.2	10.9	10.8	10.9

		Ethylene oxide

E0000	7.7	9.4	12.5	10.7
E1001(1k)	6.6	12.6	13.7	13.4
E2502(2k)	15.1	10.1	15.0	18.1
E5005(2k)	16.2	10.9	11.1	20.7

		VHP

E0000	7.7	13.4	11.8	11.5
E1001(1k)	6.6	13.7	11.5	12.9
E2502(2k)	15.1	12.4	17.6	13.5
E5005(2k)	16.2	17.6	11.0	16.7