Synthesis, identification and quantification of oligomers from polyester coatings for metal packaging.

Emanuela Pietropaolo, Roberta Albenga,Fabio Gosetti,Valentina Toson,Sander Koster,Maricel Marin-Kuan,Julien Veyrand,Amaury Patin,Benoît Schilter,Alessandro Pistone,Lorenzo Tei

Journal of Chromatography A（2018）

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摘要

•NIAS were extracted from two different polyester resins and enamels.•Cyclic and linear oligomers were elucidated by HPLC-MS.•Four linear and 12 cyclic oligomers were synthesized as standards.•Each oligomer and its isomers present in the extracts was identified by 1H NMR.•Oligomers were quantified in enamels by microHPLC-HRMS.

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关键词

NIAS,Can coating,Oligomers,Synthesis of standards,Polyester,1H NMR,HPLC-MS

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