Eco friendly and smart polymer systems This proceedings book presents the main findings of the 13th International Seminar on Polymer Science and Technology ( ISPST 2018) which was held at Amirkabir University of Technology Tehran on November 10–22 2018. This forum was the culmination of more than three decades of academic and industrial activities of Iranian scholars and professionals and the participation of many notable international scientists in covering various important polymer related subjects of concern to Iran and the world at large including polymer synthesis processing and properties as well as issues concerning polymer degradation stability and environmental aspects. For the past half a century the growing concern for advancing human health quality of life and – especially in the last few decades – avoiding and combating environmental pollution have shaped and driven scientific activities geared toward the creation of smart materials that are compatible with the human body and have prompted scientists and technologists to pursue research using natural and sustainable sources. This book highlights efforts to responsibly address the problems caused by and which can potentially be solved by polymers and plastics. .