Oxidation of a carbon/glass reinforced cyanate ester composite

Thermal degradation process of the cured phenolic triazine thermoset resin (Primaset® PT-30). Part I. Systematic non-isothermal kinetic analysis

“…It can be said that the above condition is fulfilled in the case of our investigated degradation process. In the case of the cured Primaset ® PT-30 resin, based on the obtained values of E a , we can say preliminarily that the degradation process most likely involves thermolytic cleavage of the resin backbone (usually occurred in the temperature range of 325-450 • C), which is probably accompanied by the decyclization of the triazine rings (occurred in the temperature range of 450-500 • C) with liberation of low molecular mass volatile compounds (for this type of reaction, the apparent activation energy values are typically ranging from E a = 120 kJ mol −1 to E a = 220 kJ mol −1 ) [2, [45][46][47][48]. Such an assumption is made, since the high value of E a (E a = 192.3 kJ mol −1 ) can not be obtained from the reaction of aliphatic components, but from the reactions involving bridges connecting the aromatic rings, or the aromatic rings, independently.…”

Flame retardant fiber-reinforced composites

“…(1) Being carbon-based, it can be burned away; in high heat fl ux fi res, 16 the carbon fi bers will be consumed along with the polymer. Contribution to total heat release, however, will still be low.…”

Effects of hyperthermal atomic oxygen on a cyanate ester and its carbon fiber-reinforced composite

“…When CFCE composites were exposed to electron and proton co-irradiation or a thermo-oxidative environment, it was found that CFCE composites degraded by chain scission and oxidation of the resin. 40 –42…”

“…When CFCE composites were exposed to electron and proton co-irradiation or a thermo-oxidative environment, it was found that CFCE composites degraded by chain scission and oxidation of the resin. [40][41][42] The resistance of CFCEs to AO in the LEO environment has been unknown. It is assumed that the addition of carbon fibers would reduce the erosion yield compared to CE, as was the case for carbon fiber-reinforced epoxy resins, but the degree of this reduction may depend on the detailed chemical and physical interaction between the inorganic and organic phases of the composite and so is difficult to predict.…”