Analysis of aged paint binders by FTIR spectroscopy

Meilunas, R.; Bentsen, James G.; Steinberg, Arthur G.

doi:10.1179/sic.1990.35.1.33

Cited by 182 publications

(92 citation statements)

References 25 publications

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“…A detailed picture of the oxidative process is gained through FTIR absorption spectroscopy. Typical features in the FTIR spectra of the oil films under study include changes in the cis‐ CH, CH 2 , OH, and CO stretching band absorptions at 3012, 2990, 1750, and 3400 cm −1 , respectively 17. The features at 1400–1600 cm −1 observed in spectra b and d in Figure 7 were noted in a previous report 11.…”

Section: Resultssupporting

confidence: 67%

UV exposure and temperature effects on curing mechanisms in thin linseed oil films: Spectroscopic and chromatographic studies

Boyatzis

Ioakimoglou

Argitis

2002

J of Applied Polymer Sci

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ABSTRACT:The influence of thermal and photochemical treatment in the curing mechanisms of thin linseed oil films is studied. The role of copper acetate pigments is also investigated under the above conditions. UV and FTIR absorption spectroscopy and chromatographic product analysis are used as the main analytical techniques, which allowed the identification of significant changes in the curing mechanism in each case. Yellowing, crosslinking, and fragmentation inside the film material proceed to a different extent according to the conditions. Peroxide destruction is induced by UV exposure at early curing stages and affects the course of the yellowing process. Yellow product formation is also favored by curing at elevated temperatures, which is accompanied in this case by decreased crosslinking in the cured film.

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Section: Resultssupporting

confidence: 67%

UV exposure and temperature effects on curing mechanisms in thin linseed oil films: Spectroscopic and chromatographic studies

Boyatzis

Ioakimoglou

Argitis

2002

J of Applied Polymer Sci

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“…It is important to consider these two stages separately. The first phase implies a significant autoxidation process followed by polymerization of the network, which leads to the hardening of the film [7][8] [9]. The presence of a metal-based pigment (such as zinc white) catalyses the cross-linking process and activates a series of other chemical reactions between the organic part of the binder and the metal compounds.…”

Section: Introductionmentioning

confidence: 99%

On the photoluminescence changes induced by ageing processes on zinc white paints

Artesani

Gherardi

Mosca

et al. 2018

Microchemical Journal

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Recent research is focusing on the study of interaction mechanisms between pigments and binder, as they are crucial for understanding paint ageing and conservation issues. In this work, we investigate these mechanisms and follow the changes induced by ageing on zinc white paint by employing Fourier Transform Infrared (FTIR) and Time-Resolved Photoluminescence (TRPL) spectroscopies. The two techniques, applied on thermally aged mock-up samples and on a 19 th oil painting, provide complementary information on the effect of the binder on the ZnO pigment particles. The characterization of the infrared absorption spectra confirms the well-known tendency of the formation of amorphous metal carboxylates in zinc white paint following ageing. At the same time, the ageing of paint film produces significant changes in the photoluminescence emission from defect centres of ZnO. The emission that is mostly affected by the changes of the micro-environment is the blue band (430 nm)-associated with surface defects-whereas the green emission (530 nm) is stable. The results demonstrate that the evolution of the pigment-binder system has detectable consequences on the crystalline structure of the pigment particles and we speculate that the main cause of the modifications is the functionalization of the pigment particle surfaces. The possibility to follow crystal structure changes with timeresolved photoluminescence can thus support chemical studies by providing information about pigment-binder interactions, metal carboxylate formation and paint deterioration.

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“…FTIR spectrometry also revealed the presence of a siccative oil‐based binder characterized by the bands at 2850–2930 cm −1 due to the C–H stretching mode; at 1733 cm −1 due to the C=O stretching modality; and at 1715 cm −1 , which can be associated with the presence of carboxylic acid derived from the hydrolysis of siccative oil esters (Meilunas et al . ). The bands between 1320 cm −1 and 1500 cm −1 can be associated with C–H deformations, and that at about 1610 cm −1 is due to C=C stretching of the aromatic ring.…”

Section: Resultsmentioning

confidence: 97%

Study of the Technique and of the Materials of a 19th‐Century Polychrome Wood Mask fromPapuaNewGuinea

et al. 2012

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This paper presents the results of the analysis carried out on a polychrome wood mask from Papua New Guinea during conservation work at Pigorini Museum's restoration laboratory. The significance of this study is that no prior work has characterized the painting materials of Papua New Guinea masks both with spectroscopic and internal microstratigraphic analysis. In fact, these objects were studied especially from an anthropological or conservative point of view and the wood was wrongly defined by its visual appearance. Microstratigraphic and spectroscopic investigations discovered a refined execution technique that up to now has not been demonstrated. The stratigraphy of the painted layers demonstrates a deep knowledge of the materials and of the application techniques on the part of the Papua New Guinea people, together with the ability to foresee the aesthetic result for the artefact. The analysis of the constitutive materials and of the stylistic features supplied valid results in favour of provenance of the mask from Papua New Guinea.

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Analysis of aged paint binders by FTIR spectroscopy

Cited by 182 publications

References 25 publications

UV exposure and temperature effects on curing mechanisms in thin linseed oil films: Spectroscopic and chromatographic studies

UV exposure and temperature effects on curing mechanisms in thin linseed oil films: Spectroscopic and chromatographic studies

On the photoluminescence changes induced by ageing processes on zinc white paints

Study of the Technique and of the Materials of a 19th‐Century Polychrome Wood Mask fromPapuaNewGuinea

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