Figure 9.
Photographs of cottons absorbing water droplets. Key: (a) uncoated; (b) coated with WFPU; and, (c) coated with the cross-linked WFPU [42]. Copyright © (2014) American Chemical Society.
Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.