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.
SEM images of PcH/PES blend membranes that were prepared using a 1 NMP: 9 DMF solvents mix and were treated by (A) heating at 60 °C and (B) phase inversed at 40 °C without LiCl additive. Surface images at ×500 and cross section images at ×2000 and ×5000 were done.
