Fig. 1.
The SEM photographs of the obtained foams with 4% and 6% of HPMC (H4 and H6), CLMW (C4 and C6) and Alg (A4 and A6) compared with foam without natural polyols (Bl).
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.