Adulterant Detection in Peppermint Oil by Means of Holographic Photopolymers Based on Composite Materials with Liquid Crystal

Diffraction gratings are recorded in a holographic photopolymer containing nematic liquid crystal and peppermint oil. The presence of the oil modifies the polymerization and the holographic response. The composite containing oil adulterated with triethyl citrate obtains a diffraction efficiency rela...

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Bibliographic Details
Published in:Polymers 2022-03, Vol.14 (5), p.1061
Main Authors: Miloua, Wafaa, Ortuño, Manuel, Navarro-Fuster, Víctor, Beléndez, Augusto, Pascual, Inmaculada
Format: Article
Language:English
Subjects:
Chemical analysis
Chromatography
Composite materials
Diffraction efficiency
Free radicals
Gratings (spectra)
Holography
Humidity
Liquid crystals
Nematic crystals
Oils & fats
Peppermint
Peppermint oil
Photopolymers
Physical properties
Polymerization
Quality control
Raw materials
Sensors
Solvents
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Summary:Diffraction gratings are recorded in a holographic photopolymer containing nematic liquid crystal and peppermint oil. The presence of the oil modifies the polymerization and the holographic response. The composite containing oil adulterated with triethyl citrate obtains a diffraction efficiency related to the oil's purity. The results obtained suggest the possibility of developing a holographic chemical analysis method for quality control of raw materials.
ISSN:2073-4360
2073-4360
DOI:10.3390/polym14051061