Table 1 Changes of the chemical composition of the superhydrophobic surface before and after different durable test.

From: Durable superhydrophobic surfaces made by intensely connecting a bipolar top layer to the substrate with a middle connecting layer

 

without any test1

70 cycles abrasion2

16 days soaked3

wt%

atom%4

wt%

atom%4

wt%

atom%4

C

21.08

30.95

46.44

58.72

24.05

34.42

O

41.08

45.29

30.18

28.64

41.45

44.53

Si

37.85

23.77

23.38

12.64

33.10

20.25

Na

    

0.46

0.34

Cl

    

0.94

0.46

  1. 1The superhydrophobic surface without any test.
  2. 2The superhydrophobic surface after 70 cycles abrasion tests.
  3. 3The superhydrophobic surface after 16 days soaked in NaCl (3.5wt%) solution.
  4. 4The percentage of atom.
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