Quantitative determination of the oleophobicity of food packaging paper using headspace gas chromatographic technique

This study demonstrates a method to quantitatively measure the oleophobicities of food packaging paper via using a tracer‐assisted headspace gas chromatography by adding a 40‐μL droplet of toluene‐doped oil onto a sample surface, wherein toluene behaves as volatile tracer. After 20 s, the sample was...

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Bibliographic Details
Published in:Packaging technology & science 2021-05, Vol.34 (5), p.297-302
Main Authors: Dai, Yi, Yu, Zhen‐Hua, Wang, Hao, Zhan, Jian‐Bo, Xie, Jiao, Yue, Bao‐Shan, Chai, Xin‐Sheng
Format: Article
Language:English
Subjects:
Chromatography
Food packaging
food packaging papers
Gas chromatography
headspace analysis
oleophobic degree
Toluene
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Summary:This study demonstrates a method to quantitatively measure the oleophobicities of food packaging paper via using a tracer‐assisted headspace gas chromatography by adding a 40‐μL droplet of toluene‐doped oil onto a sample surface, wherein toluene behaves as volatile tracer. After 20 s, the sample was turned vertically to remove the oil and placed in a headspace vial. The amount of toluene in the residual oil adhered to the sample surface was quantified using headspace gas chromatography under full‐evaporation conditions. The results exhibit satisfactory precision (RSDs 
ISSN:0894-3214
1099-1522
DOI:10.1002/pts.2560