Plasticizer Analysis Using Chromatographic Methods-Advances Germany

  • Plasticizer Analysis Using Chromatographic Methods-Advances Germany
  • Plasticizer Analysis Using Chromatographic Methods-Advances Germany
  • Plasticizer Analysis Using Chromatographic Methods-Advances Germany
  • What are plasticizers used for?
  • Plasticizers are used to improve and adjust the mechanical properties of the material by increasing flexibility, reducing viscosity, and decreasing friction during manufacture. Plasticizers can account for up to 50% of the total mass of PVC objects 4, 5, 6.
  • Can plasticizers be quantified in a general collection of degraded PVC objects?
  • Additionally, regression models for quantification of di (2-ethylhexyl) phthalate and di (2-ethylhexyl) terephthalate in PVC were built. This study of real-life objects demonstrates that classification and quantification of plasticizers in a general collection of degraded PVC objects is possible, providing valuable data to collection managers.
  • Do we know the identity of a plasticizer?
  • Recent research on long-term PVC degradation suggests that knowing the identity of a plasticizer is important in studies of plasticizer loss and associated conservation challenges.
  • Who supervised the chromatographic and spectroscopic data analysis?
  • T.R. acquired the chromatographic and part of the spectroscopic data, interpreted the results and drafted the manuscript. D.R. acquired part of the spectroscopic data, carried out the data analysis and interpreted the results. J.M. supervised the data analysis and interpretation of the results. I.K.C. and M.S. substantially revised the work.
  • What are the different types of plasticizers?
  • Phthalates, terephthalates, adipates, trimellitates, and citrates represent the majority of commercially-used plasticizers.
  • Can chromatographic and spectroscopic techniques be used for classification and regression models?
  • For the first time, a large and diverse collection of more than 100 PVC objects in different degradation stages and of diverse chemical compositions was analysed by chromatographic and spectroscopic techniques to create a dataset used to construct classification and regression models.

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