Separation of the glass transition and postcuring (TOPEM®) - METTLER TOLEDO

Separation of the glass transition and postcuring (TOPEM®)

To demonstrate how TOPEM® (a temperature-modulated DSC method) can separate different effects and so allow the determination of the glass transition temperature, Tg, and the postcuring enthalpy, Δhpost.
A postcuring reaction usually begins just above the glass transition. In conventional DSCmeasurements, this often makes it difficult or even impossible to determine the glass transition temperature and the postcuring enthalpy.

 Handbook   
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Keywords
 Thermosets 1

 88

thermoset, postcuring, composite, DSC, temperature-modulated, TOPEM, glass transition, carbon fibers, epoxy resin, TOPEM®, non-reversing heat flow, reversing heat flow, total heat flow, modulated DSC, oscillating DSC  

 

 
 
 
 
 
 
 
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