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Polybutylene terephthalate on metals: a density functional theory and cluster models investigation

Melanie David1, Tanglaw Roman1, Wilson Agerico Diño2,3,4, Hiroshi Nakanishi1, Hideaki Kasai1, Naoki Ando5 and Masanori Naritomi5

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The strength of adhesion of polybutylene terephthalate (PBT) on aluminium is investigated using density functional theory-based energy calculations. The aluminium atom is connected to a PBT monomer at different orientations, and total energies are calculated and compared to determine the most stable orientation. The binding is strongest when the Al is oriented at 180° to the ester group of the monomer. Using this orientation as a basis, PBT adhesion on Ti, Ag, and Au is also investigated.


PACS

68.35.Np Adhesion

68.47.De Metallic surfaces

71.15.Mb Density functional theory, local density approximation, gradient and other corrections

Subjects

Condensed matter: electrical, magnetic and optical

Surfaces, interfaces and thin films

Dates

Issue 4 (1 February 2006)

Received 10 August 2005, in final form 25 November 2005

Published 9 January 2006



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