Tripropargyl isocyanuric ester polymer and preparation method thereof
A technology of tripropargyl isocyanurate and propargyl isocyanurate, which is applied in the field of thermosetting resin and its preparation, can solve the problems of low shrinkage rate, single element, high carbon residue rate, etc., to reduce economic Low cost, good high temperature resistance, simple process
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Embodiment 1
[0027] The prepared tripropargyl isocyanurate monomer (refer to the patent document with the patent number ZL201010533489.0 for the preparation method) is subjected to DSC test, and the DSC curve obtained from the test is shown in figure 2 , figure 2 Among them, 166°C is the melting point temperature, 248°C is the curing start temperature, 260°C is the curing peak temperature, and 278°C is the curing end temperature. The melting and solidification temperatures are set accordingly.
Embodiment 2
[0029] Get 243g of the prepared tripropargyl isocyanurate monomer and place it in a porcelain crucible, rise to 166°C at a rate of 10°C / min with a heating rate of 10°C / min in a tube furnace and in this Insulate at the same temperature for 1h, then heat to 248°C at a heating rate of 1°C / min, and keep at this temperature for 2h, then heat at a heating rate of 1°C / min to 260°C, and keep at this temperature 4h, then raised to 278°C at a rate of 1°C / min, kept at this temperature for 1h and then cooled to room temperature.
[0030] The obtained cured resin is characterized by TG for its heat resistance: in N 2 Under the atmosphere, the temperature was raised to 800°C at 10°C / min, and the residual mass of the obtained polymer reached 70%.
Embodiment 3
[0032] Get 243g of the prepared tripropargyl isocyanurate monomer and place it in a porcelain crucible, rise to 168°C at a rate of 15°C / min with a heating rate of 15°C / min in a tube furnace and in this Insulate at the same temperature for 1 hour, then heat to 252°C at a heating rate of 1°C / min, and keep at this temperature for 2 hours, then heat at a heating rate of 1°C / min to 266°C, and keep at this temperature 4h, then raised to 286°C at a rate of 1°C / min, kept at this temperature for 1h and then cooled to room temperature.
[0033] The obtained cured resin is characterized by TG for its heat resistance: in N 2 Under the atmosphere, the temperature was raised to 800°C at 10°C / min, and the residual mass of the obtained polymer reached 75%.
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