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.
Results of self-healing at 130 °C for 120 min: (a) tensile properties of H-PU after self-healing; (b) tensile properties of S-PU after self-healing; (c) schematic of the self-healing mechanism and configurational change of typical S-PU after the exchange reaction.
