Figure 2.
The aging coefficient (K) of PLA and PHA with polydatin and (+)-catechin after thermal oxidation and UV aging. Resistance to degradation of samples: K = 1 resistant and K = 0 susceptible.
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.