The spirobichroman-based polyimides with different side groups: from structure–property relationships to chain packing and gas transport performance
Shuli Wang, Xiaohua Tong, Chunbo Wang, Xiaocui Han, Sizhuo Jin, Daming Wang, Jianan Yao, Chunhai Chen
Abstract
Effect of substituents on the dihedral angle and chain packing plays a critical role in the enhancement in the gas separation performance of polymer membranes.
Topics & Concepts
Dihedral angleSide chainMembranePolymerGas separationChain (unit)Chemical engineeringSingle chainChemistryMaterials sciencePolymer chemistryOrganic chemistryMoleculeHydrogen bondBiochemistryPhysicsEngineeringAstronomyAntibodyImmunologyBiologyMembrane Separation and Gas TransportSynthesis and properties of polymersGraphene research and applications