Detail publikace

A novel technology for the corrosion protection of iron archaeological artefacts using parylene base removable bilayer

BLAHOVÁ, L. HORÁK, J. PŘIKRYL, R. PEKÁREK, J. TKACZ, J. MENČÍK, P. KRČMA, F.

Originální název

A novel technology for the corrosion protection of iron archaeological artefacts using parylene base removable bilayer

Typ

článek v časopise ve Web of Science, Jimp

Jazyk

angličtina

Originální abstrakt

Combinations of different acrylic resins and microcrystalline waxes are most often used for conservation and preservation these days. However, their properties are not sufficient and satisfactory in many ways. A novel barrier coating for the conservation of iron archaeological artefacts composed of parylene C polymer and Laksil lacquer is proposed within this article. Parylene C is a commercial name of poly(chloro-p-xylylene) polymer, and it was prepared via modified chemical vapour deposition. Parylene removability was ensured through the xylene soluble interlayer made of Laksil silicone-acrylic lacquer which was applied between a protected iron model substrate and parylene thin film. The corrosion tests in salt spray showed excellent barrier properties of Laksil/parylene bilayer. The surface roughness measured by the profilometry and the surface morphology shown by the SEM displayed the synergic effect between the Laksil and parylene layer which leads to the exceptional barrier and anticorrosion function of Laksil/parylene bilayer. First, the Laksil layer flattened out rough surface of a substrate; second, thereon deposited parylene film became smooth and defect free and acted as a good diffusion barrier. The colouristic measurements proved that the bilayer does not change the appearance of item, in terms of colour. The EDX and TGA confirmed entirely successful removal of bilayer and thus the reversibility of conservation treatment is enabled. The characteristics of Laksil/parylene bilayer were compared with the conventional conservation coating composed of Paraloid B72 acrylic resin and Revax microcrystalline wax prepared by professional conservators. The Laksil/parylene bilayer demonstrated significantly superior properties in this comparison.

Klíčová slova

anticorrosion layers, barrier layers, artefact protection, parylene C, Laksil, salt spray tests, EDX, TGA

Autoři

BLAHOVÁ, L.; HORÁK, J.; PŘIKRYL, R.; PEKÁREK, J.; TKACZ, J.; MENČÍK, P.; KRČMA, F.

Vydáno

1. 4. 2020

ISSN

1296-2074

Periodikum

JOURNAL OF CULTURAL HERITAGE

Ročník

42

Číslo

1

Stát

Francouzská republika

Strany od

28

Strany do

35

Strany počet

8

URL

https://www.sciencedirect.com/science/article/pii/S129620741830579X

BibTex

@article{BUT160144,
  author="Lucie {Janů} and Jakub {Horák} and Radek {Přikryl} and Jan {Pekárek} and Jakub {Tkacz} and Přemysl {Menčík} and František {Krčma}",
  title="A novel technology for the corrosion protection of iron archaeological artefacts using parylene base removable bilayer",
  journal="JOURNAL OF CULTURAL HERITAGE",
  year="2020",
  volume="42",
  number="1",
  pages="28--35",
  doi="10.1016/j.culher.2019.09.001",
  issn="1296-2074",
  url="https://www.sciencedirect.com/science/article/pii/S129620741830579X"
}