Abstract
A new chelating phenolic Schiff base containing phthalate imide pendant group resin was synthesized by three steps. The first step includes synthesis of 2-(4-aminobiphenyl-4-ylcarbamoyl) benzoic acid (1), Via reaction of pthalic anhydride with benzidine. In the second lines, the compound that we obtained in the first step was reacted with o-hydroxybenzaldehyde to obtain phenolic Schiff base 2-(4'-(2-hydroxybenzylideneamino) bephenyl-4-yl carbamoyl) benzoic acid (2) The third step includes prepared resin during intensification Schiff base derived with formaldehyde inan alkaline middle. Thepthale amice acid, Schiff base and resin were characterized by various instrumental techniques like FT-IR, 1HNMR ,13CNMR and elemental analysis, thermal behavior of the polymer was investigated by DSC and TGA.SEM analysis of polymer shows the amorphous structure of polymer. The chelating behaviors was examined against Ni (ᴨ), Cd (ᴨ), Cr(ш)and Pb(ᴨ). using patch method in different conditions like treatment time and pH at room temperature. The resin shows a good loading capacity
Highlights
Ecological defilement has twisted into one of the most remarkable problems threading our world. [1] Heavy element ion rest an earnest ecological problem face-off the world for defilement because of the use of metal ion as accelerator in different manufacture operation [2, 3]
The effect of PH,inter-group communication time, chemical social system of resin, concentrations of the metal ion were inspected to uncovering out their metal uptake feature .In the sitting paper, we characterize the synthesis of phenolic Schiff base resin derived of 2-(4'-(2hydroxybenzylideneamino)bephenyl-4-ylcarbamoyl)benzoic acid with formaldehyde The resin has been field for sorption of Atomic number 28 (ᴨ), CD(ᴨ), Cr(ш)and lead(ᴨ) of hydrous solution .To this aim, several element affects the Chelating such as PH handling judgment of conviction
In the first synthetic stape we prepared new p-amino phthaleamicacid(1)This compound was used in preparation of new phenolic Schiff base radical (2) The phenolic Schiff base resin(3) rosin was intended by condensation the Schiffsubstructuremonomer with formaldehyde in alkaline center of attention
Summary
Ecological defilement has twisted into one of the most remarkable problems threading our world. [1] Heavy element ion rest an earnest ecological problem face-off the world for defilement because of the use of metal ion as accelerator in different manufacture operation [2, 3]. Chelating rosin together different functional grouping containing N, O, P and S in the polymer metal ion have extensively studied [quadruplet ,5].
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