Premium
A Sponge‐Like 3D‐PPy Monolithic Material for Reversible Adsorption of Radioactive Iodine
Author(s) -
Mu Peng,
Sun Hanxue,
Chen Tao,
Zhang Wanli,
Zhu Zhaoqi,
Liang Weidong,
Li An
Publication year - 2017
Publication title -
macromolecular materials and engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.913
H-Index - 96
eISSN - 1439-2054
pISSN - 1438-7492
DOI - 10.1002/mame.201700156
Subject(s) - adsorption , materials science , monolith , polypyrrole , mesoporous material , chemical engineering , porosity , monomer , polymer , kinetics , pyrrole , iodine , polymerization , catalysis , organic chemistry , chemistry , composite material , physics , quantum mechanics , engineering , metallurgy
3D polypyrrole (3D‐PPy) monolith is prepared by a simple chemical oxidation of pyrrole monomer using FeCl 3 as an oxidant. The as‐prepared PPy monolith exhibits an abundant porosity and with a mesopore size of about 9.1 nm in diameter. Taking advantage of its mesoprous feature as well as the unique chemical composition, the 3D‐PPy is employed as the porous medium for adsorption and removal of radioactive iodine from environment. A high iodine adsorption capacity of 1.6 g g −1 for 3D‐PPy is obtained which is competing with that of those reported porous organic polymers. Besides, the adsorption kinetics and adsorption thermodynamic experiments show that the adsorption is dominated by the pseudosecond‐order kinetics and Langmuir models. Considering its simple and low cost‐effective preparing method, unique monolithic porous as well as π–π conjugated chemical structure, the resulted 3D‐PPy may be found useful applications for removal of radioactive iodine to address environmental issues.