“Sony claims this is the first time a contactless smart card has been made from plant-derived plastic instead of the typical oil-based plastics that do not decompose.
However, the company added that it has not set a timeframe for actual use of the material for smart cards, since cost remains an issue.
The smart cards are made from a material developed by Sony in cooperation with Mitsubishi Plastics Inc. The material is made from polylactic acid mixed with special additives.”
Read the full story at NEAsia