Table 4: Contact angles (CAs) on the surface coated with the nanospheres.

AcidPazaGluaPSucaMabSucbAzbNonecNoned

CA (°)165.3171.5170.0165.5164.7171.0161.596.5

aAcid/DAA = 0.5. bAcid/DAA = 1.0. cTreated in scCO2. dThe cast film prepared from a solution in hexafluorobenzene under atmosphere.