Digitalbildeinnahmung — Theorie und Anwendung

Kazlauciunas, Algy

doi:10.1007/bf02699770

Surface Coatings International Part B: Coatings Transactions

2001

DOI: 10.1007/bf02699770

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Digitalbildeinnahmung — Theorie und Anwendung

Algy Kazlauciunas

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Cited by 3 publications

References 42 publications

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Physicochemical and structural effects of electrolyte‐induced delamination on polyethylene teraphthalate‐coated steel plates

Zumelzu¹,

Ortega²,

Rull³

et al. 2011

J of Applied Polymer Sci

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This research evaluated the in situ physicochemical changes and alterations occurring in an electrolytic chromium coated steel (ECCS), surface protected by polyethylene teraphthalate (PET) copolymer, after inducing a fracture on the coating in an acid acetic-acetate medium. The delamination was characterized in the front of the failure by means of anodic and cathodic electrochemical mechanisms, and the resistance and degradation of the metal-polymer composite's substrates were analyzed by means of Raman vibrational spectroscopy. The application of an electrochemical cell to generate in situ delamination, simulating the formation of pores or artificial defects, provided information on the activity inside the substrates of the PET-coated ECCS composite as a result of the effect of the acetic acid. The anodic delamination mechanism is based on the diffusion of the electrolyte through the metal-polymer interface and the pre-existence of pores on the polymer layer. The cathodic delamination mechanism is based on the mechanical action of the gaseous hydrogen as a result of the reduction of H þ .

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Physicochemical and structural effects of electrolyte‐induced delamination on polyethylene teraphthalate‐coated steel plates

Zumelzu¹,

Ortega²,

Rull³

et al. 2011

J of Applied Polymer Sci

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Alumina‐Incorporated Polyesteramide from Non‐Edible Seed Oils

Ahmad

Ashraf

Naqvi

et al. 2006

Journal of Macromolecular Science, Part A

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Degradation mechanism of metal–polymer composites undergoing electrolyte induced delamination

Zumelzu

Ortega

Rull

et al. 2011

Surface Engineering

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This research was focused on the study of delamination phenomena in metal-polymer laminates used in containers. The selected material was an electrolytic chromium coated steel (ECCS), protected by polyethylene teraphthalate (PET). The study employed an acetic acetate medium, which has been proved to degrade the PET coating depriving it from its protective capacity. The experiments consisted of electrolyte induced delamination of the PET by anodic-cathodic polarisation. The main objective was to investigate the degradation mechanisms in order to explain how the presence of electrochemical activity in the delamination cross-section front detaches the PET coating and leads to subsequent propagation of this delamination. Finally, specific delamination models were proposed for the electrochemical conditions investigated, and the degradation was characterised by SEM. The induced delamination experiments applied to the ECCS-PET composite in an acetic acetate medium allowed to discriminate between the delamination processes proper for anodic polarisation and those for cathodic polarisation.

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Digitalbildeinnahmung — Theorie und Anwendung

Cited by 3 publications

References 42 publications

Physicochemical and structural effects of electrolyte‐induced delamination on polyethylene teraphthalate‐coated steel plates

Physicochemical and structural effects of electrolyte‐induced delamination on polyethylene teraphthalate‐coated steel plates

Alumina‐Incorporated Polyesteramide from Non‐Edible Seed Oils

Degradation mechanism of metal–polymer composites undergoing electrolyte induced delamination

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