Melt transition temperature, Tm

Definition

Melt transition temperature, Tm, is the temperature at which a polymer transitions from a solid to a liquid state. It is a critical physical property that indicates the thermal stability and usability of polymeric materials in various applications.

Related terms

Glass Transition Temperature (Tg): The temperature at which a polymer changes from a hard and relatively brittle "glassy" state into a soft, rubbery state.

Crystallinity: The degree to which a polymer exhibits ordered structural patterns within its molecular arrangement, affecting its physical properties including Tm.

Thermal Stability: A measure of a polymer's ability to retain its physical and chemical properties at elevated temperatures