Titanium diboride oxide/thermosetting resin composite material and preparation method thereof
A technology of resin composite materials and diboron oxide, which is applied in the field of resin-based composite materials to achieve the effects of being suitable for large-scale applications, easy to remove, and broad application prospects
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Embodiment 1
[0024] (1) Preparation of titanium diboride oxide
[0025] 30g of titanium diboride was added to 200mL of ethanol, stirred thoroughly for 0.5h, filtered, and vacuum-dried at 120°C for 8h to obtain pure titanium diboride.
[0026] Put 15g of pure titanium diboride in a crucible, and then place the crucible in a muffle furnace at a temperature of 600°C for oxidation treatment for 20 minutes. After the oxidation reaction, the oxidized titanium diboride was poured into a beaker containing 100 mL of ethanol, ultrasonically oscillated for 0.5 h, filtered with suction, and then dried in a vacuum oven at 120° C. for 8 h to obtain titanium diboride oxide.
[0027] See attached figure 1 , which is the X-ray diffraction spectrum of the titanium diboride oxide prepared in the present embodiment; by figure 1 It can be seen that not only the characteristic peaks of titanium diboride but also the characteristic peaks of titanium dioxide of rutile crystal form appear in the XRD spectrum, in...
Embodiment 2
[0032] Preparation of Titanium Diboride Oxide / Epoxy Resin Composite
[0033] Add 40g of titanium diboride oxide prepared in Example 1 and 100g of epoxy resin (grade E-51) into the flask, stir at 65°C for 2h, add 4g of 2-ethyl-4-methylimidazole, continue Stir for 10 minutes to obtain a uniform mixture; pour the mixture into the mold, then place the mold in a microwave oven with a power of 700W, and irradiate it intermittently for 6 times (10s each time, once every 10s interval); then put the mold into In an electric blast drying oven, thermal curing is carried out according to the processes of 80°C / 2h + 100°C / 2h + 120°C / 2h and 150°C / 4h to obtain titanium diboride / epoxy resin composite materials. Its dielectric constant-frequency curve and dielectric loss-frequency curve are as attached image 3 with 4 shown.
Embodiment 3
[0035] Add 60g of titanium diboride oxide prepared in Example 1 and 100g of epoxy resin (grade E-51) into the flask, stir at 65°C for 2h, add 4g of 2-ethyl-4-methylimidazole, continue Stir for 10 minutes to obtain a uniform mixture; pour the mixture into the mold, then place the mold in a microwave oven with a power of 700W, and irradiate it intermittently for 6 times (10s each time, once every 10s interval); then put the mold Put it into an electric blast drying oven, and perform thermal curing according to the processes of 80°C / 2h + 100°C / 2h + 120°C / 2h and 150°C / 4h to obtain a titanium diboride / epoxy resin composite material. Its dielectric constant-frequency curve and dielectric loss-frequency curve are as attached image 3 with 4 shown.
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