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Heavy metals complexes of poly(sodium 4-styrenesulfonate) - thermogravimetric studies

机译:聚(4-苯乙烯磺酸钠)的重金属配合物-热重研究

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摘要

The paper analyzes thermal properties of poly(sodium 4-styrenesulfonate) bound with different metal ions [Cu(II), Ni(II), Zn(II), Pb(II), Cr(III)] and in the acidic form. Solid samples of polyelectrolyte bound with different counter-ions were prepared and their mass losses in the temperature range of 25 - 1000 °C were recorded. TG and DTG curves were used to estimate the activation energy of thermal degradation of sulfonic groups bound with different counter-ions. For studied polyelectrolyte counter-ions, the sulfonic group thermal stability increases in the following sequence: H < Ni < Cu < Na < Zn < Pb < Cr(III).
机译:本文分析了与不同金属离子[Cu(II),Ni(II),Zn(II),Pb(II),Cr(III)]和呈酸性形式结合的聚(4-苯乙烯磺酸钠)的热性能。制备与不同抗衡离子结合的聚电解质固体样品,并记录其在25-1000°C温度范围内的质量损失。 TG和DTG曲线用于估计与不同抗衡离子结合的磺酸基团的热降解活化能。对于研究的聚电解质抗衡离子,磺酸基热稳定性按以下顺序增加:H

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