Tadpole-Shaped POSS-Based Copolymers and the Aggregation Behavior at Air/Water Interface

Table 2

Surface elemental composition of three copolymers characterized by XPS.

Copolymer	Sample	C%	O%	F%	F/C
P1	Bulk	50.40	24.80	17.60	0.35
	LB film	38.77	41.20	8.43	0.22
P2	Bulk	52.40	14.70	14.70	0.28
	LB film	36.14	33.93	11.31	0.31
P3	Bulk	53.40	26.90	12.80	0.24
	LB film	34.74	32.86	11.70	0.34