Green(er) PVC: The Development of Lead and Phthalate-Free Nanocomposite Formulations with Practical Utility. 2007.

TURI Research Report No. 60. The goal of this project is the production of high-performance, lead- and phthalate-free PVC compounds for wire and cable insulation, which addresses the serious environmental issues surrounding the use of their leaded counterparts, providing a lower toxicity alternative to current materials. Clay nanocomposite technology has been selected as a means to achieve this goal, as it has been demonstrated that such systems can improve a variety of properties relevant to the performance of wire and cable insulation (thermal stability, barrier properties, flame retardance, etc.). The researchers chose environmentally benign clay nanofillers and vegetable oil-based plasticizers, and looked for synergistic interactions between the two additives that are expected due to the excellent dispersability of nanoclays in epoxidized vegetable oil and the stabilizing effects reported for both additives.

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