Synthesis of cis- and trans-polyisoprene adduct with nitrogen dioxide (NO2/N2O4 mixture) and a study of the thermal stability of the adduct

Celluloid in museum collections is very unstable; therefore, heritage professionals carry out research studies dedicated to understanding its decay and prolonging its lifetime. This paper addresses the need to compare and select suitable analytical methods for that purpose. Thermogravimetric analysis coupled with Fourier transform infrared spectroscopy, evolved gas analysismass spectrometry, double shotgas chromatography/mass spectrometry, and gel permeation chromatography (GPC) were employed to characterize the emission of gasses (decay products) and measure the molecular weight and camphor (plasticizer) content from unaged, artificially, and naturally aged celluloid samples. A pioneer GPC setup for the quantification of camphor was introduced for the first time in this study. Results demonstrated that GPC was the most suitable method for assessing material changes due to degradation. Both setups , for measuring molecular weight and quantifying camphor, appear promising for assessing the effect of conservation treatments and investigating the heterogeneous degradation of celluloid objects in future studies.

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Selection of thermal, spectroscopic, spectrometric, and chromatographic methods for characterizing historical celluloid

Elsässer

Micheluz

Pamplona

et al. 2021

J of Applied Polymer Sci

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Synthesis and explosive decomposition of polynitro[60]fullerene

Cataldo

Ursini

Angelini

2013

Carbon

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Atomic-level insights into CeO2 performance: Chemical interactions in CMP explored through CeO2-SiO2 studies

Venkataswamy,

Trimble,

Ryu

et al. 2024

Ceramics International

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Synthesis of cis- and trans-polyisoprene adduct with nitrogen dioxide (NO2/N2O4 mixture) and a study of the thermal stability of the adduct

Cited by 8 publications

References 30 publications

Selection of thermal, spectroscopic, spectrometric, and chromatographic methods for characterizing historical celluloid

Selection of thermal, spectroscopic, spectrometric, and chromatographic methods for characterizing historical celluloid

Synthesis and explosive decomposition of polynitro[60]fullerene

Atomic-level insights into CeO2 performance: Chemical interactions in CMP explored through CeO2-SiO2 studies

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