Composite for strengthening glass and strengthening method
A composition and technology for white glass, applied in the field of composition and strengthening for strengthening glass, to achieve the effects of reducing energy consumption, shortening strengthening time, and improving compressive strength
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Embodiment 1
[0025] This example illustrates the strengthening method of ultra-thin white glass
[0026] Mix 99 parts by weight of potassium nitrate, 0.1 part by weight of potassium hydroxide, 0.4 parts by weight of potassium phosphate, and 0.5 parts by weight of aluminum oxide. Put this mixture into a molten salt tank with good heat insulation performance, raise the temperature to 460°C at a constant speed under stirring, keep it for 15 minutes, then lower the temperature to 420°C to obtain molten salt.
[0027]The ultra-thin white glass (STN substrate glass produced by Japan Plate Glass Co., Ltd.) with a size of 470 × 370 × 0.5 mm is slowly heated to 400 ° C, and then the ultra-thin white glass is taken out after being immersed in the above-mentioned molten salt for 45 minutes, and Let the molten salt attached to its surface flow down naturally, then anneal in an annealing chamber at 420°C, wash and dry to obtain strengthened ultra-thin white glass B1.
Embodiment 2
[0029] This example illustrates the strengthening method of ultra-thin white glass
[0030] Mix 99 parts by weight of potassium nitrate, 0.01 part by weight of potassium hydroxide, 0.04 parts by weight of potassium phosphate, and 0.05 parts by weight of aluminum oxide. Put this mixture into a molten salt tank with good heat insulation performance, raise the temperature to 480°C at a constant speed under stirring, keep it for 20 minutes, then lower the temperature to 435°C to obtain molten salt.
[0031] Slowly heat the ultra-thin white glass (STN substrate glass produced by Nippon Plate Glass Co., Ltd.) with a size of 470×370×0.5 to 430°C, then immerse the ultra-thin white glass in the above-mentioned molten salt for 80 minutes, then take it out, and let it The molten salt attached to the surface flows naturally, and then annealed in an annealing chamber at 430°C, cleaned and dried to obtain strengthened ultra-thin white glass B2
Embodiment 3
[0033] This example illustrates the strengthening method of ultra-thin white glass
[0034] Mix 96 parts by weight of potassium nitrate, 0.05 parts by weight of potassium hydroxide, and 3.95 parts by weight of aluminum oxide. Put this mixture into a molten salt tank with good heat insulation performance, raise the temperature to 420°C at a uniform speed under stirring, keep it for 10 minutes, then lower the temperature to 380°C to obtain molten salt.
[0035] The ultra-thin white glass (STN substrate glass produced by Japan Plate Glass Co., Ltd.) with a size of 470×370×0.5 was slowly heated to 380°C, and then the ultra-thin white glass was immersed in the above-mentioned molten salt for 60 minutes and then taken out, and let The molten salt attached to its surface flows down naturally, and then annealed in an annealing chamber at 380°C, cleaned and dried to obtain strengthened ultra-thin white glass B3.
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Abstract
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