Characterization of Elastomers Using Thermal Analysis Techniques
On Demand Webinar

Webinar – Thermal Analysis of Elastomers

On Demand Webinar

TA Is Used for the Characterization of Elastomers Whose Properties Are Temperature-Dependent

Characterization of elastomers
Characterization of elastomers

Elastomers are employed in many industries because of their unique elastic properties. The automotive, aerospace and defense industries use elastomers for tires, tubes, dampers, coatings, and seals. Smaller parts made of elastomers can also be found in other industries.
The four main techniques of thermal analysis, DSC, TGA, TMA, and DMA are ideal for characterizing such materials from –150 to 1600 °C as function of temperature or time.

In this Webinar, we will show how thermal analysis is used to analyze elastomers and will present some typical examples of samples measured by DSC, TGA, TMA or DMA.

49:26 min

The Webinar covers the following topics:

  • Introduction
  • Basic properties of elastomers
  • Typical questions
  • Thermal analysis
  • Industries and applications
  • Instrumentation and applications
    - Differential Scanning Calorimetry (DSC)
    - Thermogravimetry (TGA)
    - Thermomechanical Analysis (TMA)
    - Dynamic Mechanical Analysis (DMA)
  • Summary

Thermal analysis is an excellent method for the characterization of elastomers because their properties are strongly dependent on temperature.

Elastomer behavior

Elastomers can be stretched or compressed but return to their original dimensions or shape when the applied stress is released. The term elastomer is derived from the words elastic polymer and is often used interchangeably with the term rubber.

At ambient temperatures, elastomers are relatively soft and deformable. Their main industrial uses are for seals, tires, engine mounts, and flexible molded parts.

Characterization of elastomers by thermal analysis

DSC is used to measure events in which a change in enthalpy occurs. These include the glass transition, reaction enthalpy, vulcanization reactions, melting, crystallization, and thermal stability.

TGA measures weight changes and is widely used for the analysis of elastomers. The main applications have to do with compositional analysis, fillers and additives as well as chemical reactions such as decomposition, oxidation and vulcanization, and last but not least evaporation, desorption and vaporization.

TMA and DMA are used to measure the mechanical behavior and properties of materials. TMA applications include expansion, shrinkage, softening and the glass transition. DMA is the method of choice for characterizing the viscoelastic behavior of materials, the glass transition, and the frequency-dependence of effects.

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