Fabricated of Superhydrophobic Silanized Melamine Sponge with Photochromic Properties for Efficiency Oil/Water Separation

Figure 4

(a, b) Photochromic coloration of PDMS-SP modified melamine sponge under UV irradiation, (c) absorbance curves of cross-linked PDMS/SPMA after UV irradiation, (d) absorbance changes with exposure time under UV/vis irradiation.