Figure 13.
Schematic picture of the original 1•PVP network with different average number of entanglements (Nen) per polymer chain (green). (a) Nen is one; (b) Nen is two.
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.