Synthesis of thermo-sensitive PDDA-co-PNIPAM/graphene hybrid via electrostatic interactions and its thermal modulated phase transition
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2018 A thermo-sensitive graphene-based hybrid is prepared by the electrostatic interactions between the poly(diallyldimethylammonium chloride)-co-poly(N- isopropylacrylamide) (PDDA-co-PNIPAM) and graphene oxide (GO). The electrostatic interaction, chemical structure, morphology and thermo-sensibility of the hybrid are systematically characterized, which have been manifested that the electrostatic interaction between the PDDA-co-PNIPAM and GO is strong, and the employment of the cationic PDDA-co-PNIPAM results into a well distributed polymer nanoparticles on the GO sheets. The new PDDA-co-PNIPAM/GO hybrid has good dispersity in some polar solvents. Notably, the phase transition of this hybrid can be reversibly modulated by temperature in water, which can be applied as thermo-switch material for the adsorption and separation of the organic pigments in aqueous solutions.
MATERIALS CHEMISTRY AND PHYSICS
author list (cited authors)
Xiang, Y., Banks, M. K., Wu, R., Xu, W., & Chen, S.
complete list of authors
Xiang, Yuanfang||Banks, M Katherine||Wu, Ruoxi||Xu, Weijian||Chen, Shu