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SULFURIC ACID CORROSION OF POLY(METHYL METHACRYLATE)/MONTMORILLONITE NANOCOMPOSITES

Tianyun Zhang

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Abstract

The structure of poly(methyl methacrylate)/ montmorillonite(PMMA/MMT) nanocomposites was characterized by means of XRD and TEM.The sulfuric acid corrosion behavior of PMMA/MMT nanocomposites was studied using weight loss testing method,and the corrosion products were analyzed by FTIR and XPS.The solutions show that,exfoliated PMMA/MMT nanocomposites is prepared when the mass fraction of MMT is no more than 3%,and the corrosion rate of composites is 34.2% to PMMA when the mass fraction of MMT reaches 3%.The corrosion products of both PMMA and PMMA/MMT nanocomposites are C,H,O and S.Compared with the corrosion product of pure PMMA,C element content of the corrosion product of PMMA/ 3mass% MMT nanocomposites decreases,while S and O contents increase introduced by the weakning of degradation behavior of PMMA matrix for the barrier effect of MMT layer.

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What this paper is about

The structure of poly(methyl methacrylate)/ montmorillonite(PMMA/MMT) nanocomposites was characterized by means of XRD and TEM.The sulfuric acid corrosion behavior of PMMA/MMT nanocomposites was studied using weight loss testing method,and the corrosion products were analyzed by FTIR and XPS.The solutions show that,exfoliated PMMA/MMT nanocomposites is prepared when the mass fraction of MMT is no more than 3%,and the corrosion rate of composites is 34.2% to PMMA when the mass fraction of MMT reaches 3%.The corrosion products of both PMMA and PMMA/MMT nanocomposites are C,H,O and S.Compared with the corrosion product of pure PMMA,C element content of the corrosion product of PMMA/ 3mass% MMT nanocomposites decreases,while S and O contents increase introduced by the weakning of degradation behavior of PMMA matrix for the barrier effect of MMT layer.

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Available abstract

The structure of poly(methyl methacrylate)/ montmorillonite(PMMA/MMT) nanocomposites was characterized by means of XRD and TEM.The sulfuric acid corrosion behavior of PMMA/MMT nanocomposites was studied using weight loss testing method,and the corrosion products were analyzed by FTIR and XPS.The solutions show that,exfoliated PMMA/MMT nanocomposites is prepared when the mass fraction of MMT is no more than 3%,and the corrosion rate of composites is 34.2% to PMMA when the mass fraction of MMT reaches 3%.The corrosion products of both PMMA and PMMA/MMT nanocomposites are C,H,O and S.Compared with the corrosion product of pure PMMA,C element content of the corrosion product of PMMA/ 3mass% MMT nanocomposites decreases,while S and O contents increase introduced by the weakning of degradation behavior of PMMA matrix for the barrier effect of MMT layer.

Key concepts: Materials science, Nanocomposite, Corrosion, Montmorillonite, Poly(methyl methacrylate), Sulfuric acid, Mass fraction, Composite material

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SULFURIC ACID CORROSION OF POLY(METHYL METHACRYLATE)/MONTMORILLONITE NANOCOMPOSITES — Research Paper | ScholarLens