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Glass transitions occur in all non-crystalline or semicrystalline materials and lead to significant changes in material properties such as thermal expansion, the specific heat capacity or modulus. Because the glass transition is very sensitive to chemical and physical structure, it can be used to characterize materials and is therefore important in most industries. Thermal Analysis provides different methods to measure the glass transition and the glass transition temperature.
The basic requirement for the glass transition is a sufficiently large degree of molecular disorder, at least in one direction. During the glass transition, the material changes from the elastic to the visco-elastic state. The glass transition is influenced by the degree of crystallinity, crosslinking, plasticizers, blends, and fillers.
The presentation covers the following topics:
- Basic theory of the glass transition
- Thermal analysis techniques and methods
- Industries and applications
- Practical applications
In this presentation, we will discuss the basic theory of the glass transition and the different thermal analysis techniques and methods used to measure the glass transition and the associated glass transition temperature.