Scheme 1. Structures of the Monomers Used in the Polyimides Synthesis.
The left side shows four dianhydrides used (BPADA, ODPA, 6FDA, and BPDA) and the right side shows a generalized structure of the dimer diamine (DD1).
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.