1. The extra-oral treatment requires processing at temperatures closer to the glass transition temperature where segmental mobility allows additional polymerisation. 2. Many of these blends undergo quite rapid demixing as the temperature is raised and an LCST phase boundary can be located above the glass transition temperature of the blend. 3. At this temperature, which is known as the glass transition temperature T g, the chains become locked in whichever conformation they possessed when T g was reached. 4. To locate T g, the linear portions are extrapolated and intersect at the point which is taken to be the characteristic transition temperature of the material. 5. The glass transition temperature can be detected calorimetrically by following the change in heat capacity with change in temperature. 6. The temperature at which this critical value is reached is the glass transition temperature. 7. The temperature at which a phase change occurs is called the transition temperature. 8. The temperature at which two enantiotropes are in equilibrium is called the transition temperature. |
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