Shape memory cyanate polymers (SMCPs) are a new kind of smart materials, which have huge development potential
and a promising future. A series of shape memory cyanate polymers were prepared by cyanate ester and varying content
of a linear modifier. The thermal properties of the SMCPs were investigated by Differential Scanning Calorimetry (DSC),
Thermal Gravimetric Analysis (TGA) and Dynamic Mechanical Analysis (DMA). The SMCPs we prepared have high
glass transition temperature and show good heat resistance. The glass transition temperature Tg can be adjusted from
156.9°C to 259.6°C with the modifier. The initial temperature of thermal decomposition comes up to 300°C, which is
enough high for the application in aerospace fields. The shape memory polymer we prepared shows a good shape
memory effect, as the shape recovery time is less than 65s and the shape recovery rate reaches 95%.
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