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.
(a) Optical images of poly(AAm-co-MA/Rh) with a solid content of 70 wt% at both stretched state and the corresponding relaxed state. (b) The x, y chromaticity diagram for the color-change pathways of both stretched gels at loading state and relaxed gels at unloading state (standard CIE 1931). Note: ε means stretch ratio.
