Development of a Transparent Coating to Enhance Self-Cleaning Capability and Strength in Conventional Paper

Figure 1

Images of paper pattern before and after spraying: (a) photograph before spraying, (b) photograph after spraying, (c) optical microscope and SEM before spraying, (d) optical microscope and SEM after spraying, (e) AFM image of coating before spraying, (f) AFM image of coating after spraying, (g) height profile of coating before spraying, and (h) height profile of coating after spraying.

(a) Before spraying

(b) After spraying

(c) Before spraying

(d) After spraying

(e) Before spraying

(f) After spraying

(g) Before spraying

(h) After spraying