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2006•Journal of Thermoplastic Composite MaterialsOpen access

Poly(vinyl chloride) and Poly(e-caprolactone) Blends for Medical Use

M. Rusu, Mihaela Ursu, Daniela Rusu

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Abstract

This study examines the possibility of replacing partially or totally the di(2-ethylhexyl) phthalate (DEHP - low molecular plasticizer) from the poly(vinyl chloride) (PVC) compositions intended for medical devices, with poly("-caprolactone) (PCL - biodegradable, biocompatible, and macromolecular plasticizer). Nine different plasticized PVC (PVC-P) compositions are analyzed from the viewpoint of thermal and mechanical properties, plasticizer loss, and extraction behavior in different medical media. After comparing the experimental results with the data from the literature, corresponding to traditional PVC-P, it can be concluded that the PCL and even PCL-DEHP mixture behave as better plasticizers for PVC, providing a lower extraction risk and similar or even improved thermal and mechanical properties.

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What this paper is about

This study examines the possibility of replacing partially or totally the di(2-ethylhexyl) phthalate (DEHP - low molecular plasticizer) from the poly(vinyl chloride) (PVC) compositions intended for medical devices, with poly("-caprolactone) (PCL - biodegradable, biocompatible, and macromolecular plasticizer). Nine different plasticized PVC (PVC-P) compositions are analyzed from the viewpoint of thermal and mechanical properties, plasticizer loss, and extraction behavior in different medical media. After comparing the experimental results with the data from the literature, corresponding to traditional PVC-P, it can be concluded that the PCL and even PCL-DEHP mixture behave as better plasticizers for PVC, providing a lower extraction risk and similar or even improved thermal and mechanical properties.

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Available abstract

This study examines the possibility of replacing partially or totally the di(2-ethylhexyl) phthalate (DEHP - low molecular plasticizer) from the poly(vinyl chloride) (PVC) compositions intended for medical devices, with poly("-caprolactone) (PCL - biodegradable, biocompatible, and macromolecular plasticizer). Nine different plasticized PVC (PVC-P) compositions are analyzed from the viewpoint of thermal and mechanical properties, plasticizer loss, and extraction behavior in different medical media. After comparing the experimental results with the data from the literature, corresponding to traditional PVC-P, it can be concluded that the PCL and even PCL-DEHP mixture behave as better plasticizers for PVC, providing a lower extraction risk and similar or even improved thermal and mechanical properties.

Key concepts: Plasticizer, Vinyl chloride, Phthalate, Materials science, Caprolactone, Polyvinyl chloride, Biocompatible material, Composite material

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