Subject: Macromolecules | Dimers (Chemical physics) | Lipids | Research Article | Nylons | Chromatographic Techniques | Oligomers | Alcohols | Materials by Structure | Ethanol | Polymer Chemistry | Chemical Compounds | Agriculture | Physical Sciences | Acids | Organic Chemistry | Oils | Physics | Carboxylic Acids | Crop Science | Polymers | Agronomy | Plant Products | Chemistry | Formic Acid | Biology and Life Sciences | Materials Science | Research and Analysis Methods | Liquid Chromatography | Medicine | Q | R | High Performance Liquid Chromatography | Chemical physics | Science | Biochemistry | Vegetable Oils | Organic Compounds
Small amounts of cyclic monomers and oligomers are present in polyamide (PA)-based kitchen utensils. In this study, we isolated eight PA-based cyclic monomers and oligomers from kitchen utensils made from PA6 (a polymer of ε-caprolactam) and PA66 (a polymer of 1,6-diami... View more
5 Mori S, Takeuchi T. Gel permeation chromatography of the cyclic monomers and oligomers in nylon 6 and nylon 66. J Chromatogr. 1970; 49: 230–238.
6 Bonifaci L, Frezzotti D, Cavalca G, Malaguti E, Ravanetti GP. Analysis of ε-caprolactam and its cyclic oligomers by high-performance liquid chromatography. J Chromatogr. 1991; 585: 333–336.
7 Heimrich M, Boensch M, Nickl H, Simat TJ. Cyclic oligomers in polyamide for food contact material: quantification by HPLC-CLND and single-substance calibration. Food Addit Contam. 2012; 29: 846–860.
8 Guaita C. HPLC analysis of cyclo-oligoamides 6 and 66. Makromol Chem. 1984; 185: 459–465.
9 Ministry of Health, Labour and Welfare (MHLW). the Japanese Food Sanitation Law. Available: http://www.mhlw.go.jp/file/06-Seisakujouhou-11130500-Shokuhinanzenbu/0000035338.pdf (in Japanese). Accessed 14 March 2016.
10 European Commission. (2011) Commission Regulation (EU) No. 10/2011 of 14 January 2011 on plastic materials and articles intended to come into contact with food. Off J Eur Comm. L 12:1.