Figure 6.
Schematic illustration of the synthesis process of PC foam. Reprinted with permission from Lei et al. (2016). Copyright 2015 Elsevier.
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.