Table 5.

Contact angles (θ) with test liquids of sample surfaces before and after electron beam irradiation.

Sample		Contact Angle (Ɵ) Values
		Water	Formamide	Diiodomethane
0 kGy	E-S	102.4	90.4	51.6
	E-B-S	106.2	94.9	58.2
	E-Cl-B-S	101.1	92.3	73.5
	E-Br-B-S	98.9	92.2	61.3
20 kGy	E-S	109.6	97.1	67.7
	E-B-S	111.6	104.2	77.7
	E-Cl-B-S	109.3	97.8	78.4
	E-Br-B-S	108.8	100.6	79.0
150 kGy	E-S	112.2	104.7	80.0
	E-B-S	113.3	108.8	86.8
	E-Cl-B-S	111.9	106.6	88.6
	E-Br-B-S	110.4	105.8	87.2