A sorbent containing pH-responsive chelating residues of aspartic and maleic acids for mitigation of toxic metal ions, cationic, and anionic dyes.

ABSTRACT: t-Butyl hydroperoxide-initiated cycloterpolymerization of diallylaminoaspartic acid hydrochloride [(CH₂[double bond, length as m-dash]CHCH₂)₂NH⁺CH(CO₂H)CH₂CO₂H Cl^-] (I), maleic acid (HO₂CH[double bond, length as m-dash]CHCO₂H) (II) and cross-linker tetraallylhexane-1,6-diamine dihydrochloride [(CH₂[double bond, length as m-dash]CHCH₂)₂NH⁺(CH₂)₆NH⁺ (CH₂CH[double bond, length as m-dash]CH₂)₂ 2Cl^-] (III) afforded a new pH-responsive resin (IV), loaded with four CO₂H and a chelating motif of NH⁺⋯CO₂ ^- in each repeati

SUBMITTER: Ali SA 

PROVIDER: S-EPMC8981974 | biostudies-literature | 2022 Feb

REPOSITORIES: biostudies-literature