Method for producing self-cleaning glass-ceramic by using waste glass
A technology of glass-ceramics and waste glass, which is applied in the field of industrial waste treatment, can solve the problems of high cost, easy to hide dirt, reduce surface energy, etc., achieve huge economic and social benefits, comprehensive cleaning ability, and increase added value.
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[0032] Example one
[0033] A method for producing self-cleaning glass-ceramics from waste glass includes the following steps:
[0034] (1) Take waste glass as raw material to produce glass-ceramics;
[0035] Among them, the main components of waste glass are calculated as weight percentage: SiO 2 : 75%, Al 2 O 3 : 0.9%, CaO: 10%, K 2 O: 0.5%, Na 2 O: 12%.
[0036] The sintering method is used to complete the melting and crystallization of waste glass pellets in two times to produce glass-ceramics, specifically: batching → mixing → melting → water quenching → sieving → auxiliary materials → crystallization → polishing → cutting → Finished product. The nucleation temperature is 750°C, the nucleation time is 100min, the crystallization temperature is 1000°C, and the crystallization time is 100min.
[0037] (2) Prepare silica sol from organic silicide, mix it to form a silica sol coating solution, and coat the surface of the glass-ceramic with a silicon film by dipping and pulling;
[003...
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