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KMID : 0881720130280010056
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Journal of Food Hygiene and Safety
2013 Volume.28 No. 1 p.56 ~ p.62
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Analytical Method Development of 2,6-dimethylnaphthalene Dicarboxylate (2,6-NDC) and 2,6-naphthalene Dicarboxylic Acid (2,6-NDA) in Poly (ethylene naphthalate) (PEN)
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Sung Jun-Hyun
Oh Jae-Myoung
Shin Dong-Woo
Choi Jae-Chun
Lim Ho-Soo
Park Se-Jong
Park Geon-Woo
Kim So-Hee
Kim Mee-Hye
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Abstract
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Poly (ethylene naphthalate) (PEN), which is likely to be widely used in various application due to good barrier properties, is manufactured by condensation polymerization of 2,6-dimethylnaphthalene dicarboxylate (2,6-NDC) or 2,6-naphthalene dicarboxylic acid (2,6-NDA) with ethylene glycol. In this study, an analytical method to determine monomers in food simulants, which might migrate from PEN food contact materials into food, was developed. The HPLC-UV method was validated for 2,6-NDC and 2,6-NDA. The obtained validation parameters were selectivity, sensitivity, linearity, precision and recovery. The simultaneous HPLC method was considered the be most effective analytical method to determine 2,6-NDC and 2,6-NDA in food simulants.
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KEYWORD
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PEN, 2, 6-dimethylnaphthalene dicarboxylate (2, 6-NDC), 2, 6-naphthalene dicarboxylic acid (2, 6-NDA)
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