To synthesize colorless superheat‐resistant polyimide films, one of the valid approaches is
the incorporation of the asymmetric and warped structures in the main chain. Applying this …

Graphene oxide (GO), a carbonaceous 2D nanomaterial, has received significant interest as
a next-generation membrane building block. To fabricate high-performance membranes, an …

To improve the thermodynamic and mechanical properties of asymmetric polyimide (PI), a
method to enhance the linearity of PI by using a structural reorganization approach was …

Butanol is a second generation biofuel with high potential to replace fossil fuels in the future.
The main drawbacks in biobutanol production are the low yields of operation and high cost …

Abstract Novel diamine monomer 4, 4′-bis ((4-aminophenoxy) methyl)-1, 1′-biphenyl
(B4AP) was synthesized from precursor dinitro compound 4, 4′-bis ((4-nitrophenoxy) …

Conclusions: The synthesized polyimides displayed significant thermal stability as their
degradation started after 400 C. The thermal stability/endurance and glass transition …

China is a country with frequent natural disasters, and the army is an important force to
ensure the safety of people's lives and property. Non-war military action is a kind of activity in …