A non-invasive in situ methodology to characterise the lacquers and metals from the  Edo period  Japanese armour

Maguregui, Maite; Morillas, Héctor; Marcaida, Iker; García‐Florentino, Cristina; Errazti, Isabel Ortiz de; Aransay, Cristina; Madariaga, Juan Manuel

doi:10.1016/j.microc.2017.10.009

Cited by 4 publications

(3 citation statements)

References 11 publications

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“…Qualitative and quantitative elemental analysis of metal objects can reveal important information about their composition and the manufacturing techniques used [11,12]. Therefore, the metallic part of selected objects from the MUNCYT collection has been analysed in situ with a portable XRF (THERMO NITON XL3T GOLDD) which has a 50 kV and 100 µA X-ray generator.…”

Section: Characterisation Of the Metals And Original Coatingsmentioning

confidence: 99%

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Protective Coatings for Metals in Scientific—Technical Heritage: The Collection of the Spanish National Museum of Science and Technology (MUNCYT)

et al. 2023

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This paper presents results on the protective properties of different coatings over metals representative of those found in scientific–technical heritage collections. An examination of several objects in the collection of the Spanish National Museum of Science and Technology have allowed the identification of brass and steel as the most representative metals, and the existence of coatings (mainly shellac and acrylic resins) applied for aesthetic and/or conservation purposes. Based on these findings, brass and steel coupons coated with Paraloid B-44, B-48, B-67, B-72, Incralac, Cosmolloid H80, B-72 + H80 double layer and shellac have been studied to carry out a first screening in order to select the most promising candidates and determine the most appropriate methodology and key factors for the study. Coatings have been aged up to 336 h using cycles of UV light and water condensation. The change in the aspect of the coupons has been assessed via visual examination, optical microscopy and colorimetric measurements, with B-44 and Incralac showing the least change. EIS has been used for a quantitative evaluation of the protective properties and FTIR to measure chemical changes experienced by some coatings, such as B-48 and B-67. These evaluations allowed us to follow, understand and compare the behaviour of the different coatings and substrates after artificial ageing.

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Section: Characterisation Of the Metals And Original Coatingsmentioning

confidence: 99%

“…After identifying the metals in the objects, they were analysed with FTIR in order to find any original coatings [12]. A Bruker Alpha II spectrometer with external reflection module was used.…”

Section: Characterisation Of the Metals And Original Coatingsmentioning

confidence: 99%

Protective Coatings for Metals in Scientific—Technical Heritage: The Collection of the Spanish National Museum of Science and Technology (MUNCYT)

et al. 2023

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“…Asian lacquers have been increasingly investigated scientifically over the last decade 4–14 , not only when used as decorative coatings for wood, ceramics, and metal objects but also as a painting medium. These investigations have mostly focused on determining their botanical origin, because the identification and characterization of their precise chemical composition is essential for developing appropriate and meaningful conservation-restoration strategies.…”

Section: Introductionmentioning

confidence: 99%

Comprehensive Multi-Analytical Investigations on the Vietnamese lacquered Wall-Panel “The Return of the Hunters” by Jean Dunand

Pintus

Baragona

Wieland

et al. 2019

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This work presents a comprehensive, multi-analytical scientific approach for determining the type of lacquer and artistic materials used by Jean Dunand on his work “The Return of the Hunters” (1935). For this purpose, thermally assisted hydrolysis and methylation – gas chromatography/mass spectrometry (THM-GC/MS), optical microscopy (OM) in visible (Vis) and ultraviolet light (UV), and scanning electron microscopy - energy-dispersive X-ray spectroscopy (SEM-EDX) were selected. Furthermore, a novel application of micro attenuated total reflection Fourier transform infrared (µATR-FTIR) spectroscopic mapping by univariate and multivariate analysis was applied for studying the complex lacquer paint stratigraphy. The results show that Vietnamese lacquer was used as a binder, mixed together with linseed oil and pine resins as additives in combination with inorganic pigments, and that shellac was included on the top of the paint; they document an important step in the story of the transfer of Vietnamese lacquer painting techniques to Europe.

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Characteristics of urushi film prepared through thermal polymerization

et al. 2023

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A non-invasive in situ methodology to characterise the lacquers and metals from the Edo period Japanese armour

Cited by 4 publications

References 11 publications

Protective Coatings for Metals in Scientific—Technical Heritage: The Collection of the Spanish National Museum of Science and Technology (MUNCYT)

Protective Coatings for Metals in Scientific—Technical Heritage: The Collection of the Spanish National Museum of Science and Technology (MUNCYT)

Comprehensive Multi-Analytical Investigations on the Vietnamese lacquered Wall-Panel “The Return of the Hunters” by Jean Dunand

Characteristics of urushi film prepared through thermal polymerization

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