Ultrasonic cleaning | CA=157.2° and SA=9° after 1 h in ethanol | > | CA varied from 159° to 150° after 1 h in ethanol | [22] |
< | CA varied from 154° to 152° after 24 h in acetone | [23] |
|
Laundering | CA=152° and SA=18° after 25 cycles | > | CA varied from 157° to 147° after 20 cycles | [20] |
< | CA varied from 152° to ca. 150° after 100 cycles | [24] |
| |
Water Boiling | CA=152.2° and SA=18° after 48 h | > | CA varied to ca. 150° and SA increased to 15° after 35 min | [25] |
| | | | |
Alkali Soaking | CA=153.2° and SA=14° after 48 h | > | CA varied from 156.3° to 152.2° after 48 h | [20] |
CA varied from 156.9° to 151.6° after 48 h | [26] |
|
Acid Soaking | CA>157.7° and SA=6° after 48 h | > | CA varied from 154.7° to 150.6° after 12 h CA varied from 156.9° to 142.3° after 24 h CA varied from 156.3° to 152.5° after 48 h | [27] [26] [20] |
| | | | |
Abrading | CA=132.6° and SA<30° after 200 cycles | < | CA and SA remained almost unchanged after 200 cycles | [28] |