疏水表面制备.pdf

Designing Superoleophobic Surfaces
Anish Tuteja, et al.
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contact angles exhibits a transition from the
Designing Superoleophobic Surfaces Wenzel to the Cassie state (24, 26, 27). The
threshold value of the equilibrium contact angle
1 2 1 3 3
Anish Tuteja, Wonjae Choi, Minglin Ma, Joseph M. Mabry, Sarah A. Mazzella, (qc) for this transition is obtained by equating
1 2 1
Gregory C. Rutledge, Gareth H. McKinley, * Robert E. Cohen * Eqs. 1 and 2:
Understanding the complementary roles of surface energy and roughness on natural nonwetting ¼ð − Þ=ð − ÞðÞ
cos qc fs 1 r fs 3
surfaces has led to the development of a num