ITER IF coils and the German WX-7 star simulator fusion reactor both use cyanate ester/epoxy resin as the matrix material for their insulation structure. The main reason is that cyanate ester/epoxy resin insulation materials have low-temperature mechanics and radiation resistance, and have extremely low rheological properties and long applicability periods. However, high-energy polymerization will occur when the two are mixed, releasing a huge amount of heat. This study used different molds to prepare cyanate ester/epoxy resin (mass ratio 4:6), and used DSC (Differential Calorimetry Scanning) thermal analyzer and temperature monitoring to study the curing behavior and thermal stability of cyanate ester-modified epoxy resin-based materials. After multiple optimizations, the resin was completely cured within a controllable range, and there was no significant change in the glass transition temperature before and after adjustment.
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Baoleer et al. (2024) studied this question.
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