10/18/2001 · A polymer (/ ˈ p ɒ l ɪ m ər /; Greek poly, many + mer, part) is a substance or material consisting of very large molecules, or macromolecules, composed of many repeating subunits. Due to their broad spectrum of properties, both synthetic and natural polymers play essential and ubiquitous roles in everyday life. Polymers range from familiar synthetic plastics such as polystyrene to ...Polycaprolactone (PCL) is a biodegradable polyester with a low melting point of around 60 °C and a glass transition temperature of about −60 °C. The most common use of polycaprolactone is in the production of speciality polyurethanes.Polycaprolactones impart good resistance to water, oil, solvent and chlorine to the polyurethane produced.
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