Application of a kind of hydantoin epoxy resin
A hydantoin epoxy resin and resin technology, applied in the application field of hydantoin epoxy resin, can solve the problems of poor compatibility, uneven mixing, etc., to overcome poor compatibility, overcome uneven mixing, The effect of increased energy storage density
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Embodiment 1
[0028] Add 10 times the amount of hydantoin epoxy resin to the 2 mass % hydantoin epoxy resin aqueous solution, and add barium titanate powder with a particle size of 150 to 180 nanometers, stir and ultrasonically for 10 minutes, and then add 0.1 times the amount of hydantoin epoxy resin Dipropyltriamine curing agent, at room temperature, ultrasonic for 3 hours, stirred for 20 hours, and then the temperature was increased by 10°C every 1 hour. After the reaction was completed, the reactant was centrifugally cleaned, and dried in an 80°C blast drying oven for 24 hours. Grinding and crushing the dried product to obtain barium titanate powder modified with hydantoin epoxy resin;
[0029] Prepare 8% by mass of P(VDF-HFP) resin solution, add relative P(VDF-HFP) resin 10vol%, 20vol%, 30vol%, 40vol%, 50vol% hydantoin epoxy resin modified titanic acid therein Barium powder, after ball milling on a roller ball mill for 7 days, cast the sample on a glass sheet, and then dry it in an air...
Embodiment 2
[0031] Add strontium barium titanate powder modified with hydantoin epoxy resin to 10% by mass of PVDF matrix with a volume fraction of 50% of the matrix, and obtain a composite material in the same manner as in Example 1. Through the electrode test, at 100kV / mm The energy storage density measured under the electric field is 4.12J / cm 3 .
Embodiment 3
[0033] In the 12 mass % P (VDF-TrFE) matrix solution, add the niobium-magnesium-magnesium-zirconate lead titanate powder modified by the hydantoin epoxy resin with a relative matrix volume fraction of 50%, and obtain the composite material in the same manner as in Example 1. Through the electrode test, its energy storage density is measured as 3.69J / cm under the electric field of 100kV / mm 3 .
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