Most of the compounds have physiologically active properties, and their biological properties are often attributed to the heteroatoms contained in their molecules, and most of these heteroatoms also appear in cyclic structures. A Journal, Journal of Molecular Liquids called Ionic macromolecules based on non-halide counter anions for super prevention of copper corrosion, Author is Luo, Weiping; Zhang, Shengtao; Wang, Xinchao; Gao, Fang; Li, Hongru, which mentions a compound: 110-52-1, SMILESS is BrCCCCBr, Molecular C4H8Br2, Reference of 1,4-Dibromobutane.
New non-halide counter anions based ionic macromols. (IMs) were synthesized by the ionic exchange method. The mol. aggregates of the target IMs were formed in H2SO4 medium. The evolving concentrations and time showed a remarkable influence on the formation of the IMs aggregates. Copper surface could be adsorbed by the IMs, which were confirmed by the SEM as well as AFM imaging. The contacting angles suggest that the adsorption layers of the IMs on metal surface could be composed by the inner hydrophobic film and the outer hydrophilic film. The IMs-copper bonding was further demonstrated by different means including FT-IR and XPS. The electrochem. survey suggested that the IMs adsorption layers inhibited copper corrosion in H2SO4 solution, and the peak efficiency of corrosion inhibition reached over 99%. In addition, the mixed chemisorption and physisorption of the IMs to copper is reveled by the Langmuir isotherms.
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