Refractory glass and preparation method thereof
A high-temperature-resistant glass technology, applied in the field of high-temperature-resistant glass and its preparation, can solve problems such as high melting point, high refractive index, and small thermal conductivity, and achieve the goal of keeping the color unchanged, simple preparation method, and good heat-resistant and explosion-proof performance Effect
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Embodiment 1
[0033] (1) Weigh 85 kg of silica, 5 kg of aluminum oxide, 4 kg of chopped glass fiber, 3 kg of zirconia with a particle size of 20 nm, 1 kg of calcium aluminate, 0.5 kg of boric acid, 0.2 kg of sodium nitrate, and 0.1 kg of strontium carbonate kg, potassium fluozirconate 0.05kg, zinc borate 0.03kg, isooctyl dimercaptoacetate di-n-octyltin 0.02kg, diyttrium trioxide 0.02kg;
[0034] (2) After the above raw materials are fully mixed, put them in a crucible, heat them to 1350°C, and keep them warm for 3 hours to obtain molten glass;
[0035] (3) Pour the molten glass described in step 2 into a preheated graphite mold to form it, and perform annealing treatment at 1100°C to obtain high temperature resistant glass.
[0036] The performance test results of the prepared high temperature resistant glass are shown in Table 1.
Embodiment 2
[0038] (1) Weigh (1) Weigh 85kg of silica, 5kg of aluminum oxide, 4kg of chopped glass fiber, 3kg of zirconia with a particle size of 20nm, 1kg of calcium aluminate, 0.5kg of boric acid, and 0.2 kg of sodium nitrate kg, 0.1 kg of strontium carbonate, 0.05 kg of potassium fluozirconate, 0.03 kg of zinc borate, 0.02 kg of di-n-octyl tin dimercaptoacetate, 0.02 kg of diyttrium trioxide, 0.2 kg of trimethyl metasilicate and 0.1 kg of toner kg;
[0039] (2) After the above raw materials are fully mixed, put them in a crucible, heat them to 1350°C, and keep them warm for 3 hours to obtain molten glass;
[0040] (3) Pour the molten glass described in step 2 into a preheated graphite mold to form it, and perform annealing treatment at 1100°C to obtain high temperature resistant glass.
[0041] The performance test results of the prepared high temperature resistant glass are shown in Table 1.
Embodiment 3
[0043] (1) Weigh 90kg of silica, 8kg of aluminum oxide, 6kg of chopped glass fiber, 6kg of zirconia with a particle size of 30nm, 2kg of calcium aluminate, 2kg of boric acid, 0.8kg of sodium nitrate, and 0.2kg of strontium carbonate , 0.08kg of potassium fluozirconate, 0.09kg of zinc borate, 0.3kg of isooctyl di-n-octyltin dimercaptoacetate, 0.04kg of diyttrium trioxide, 0.2kg of trimethyl metasilicate and 0.1kg of toner;
[0044] (2) After the above raw materials are fully mixed, put them in a crucible, heat them to 1450°C, and keep them warm for 3 hours to obtain molten glass;
[0045] (3) Pour the molten glass described in step 2 into a preheated graphite mold to form it, and perform annealing treatment at 1300°C to obtain high temperature resistant glass.
[0046] The performance test results of the prepared high temperature resistant glass are shown in Table 1.
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