Ceramic foam sound absorption and noise reduction plate and preparation process thereof
A technology of foam ceramics and preparation process, which is applied to ceramic products, other household appliances, applications, etc., can solve the problems of high humidity, inconvenient construction, and the inability to use high humidity and moisture environments, etc., to achieve good sound absorption and noise reduction performance, remove The effect of odor
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[0020] A preparation process for a foam ceramic sound-absorbing and noise-reducing panel, comprising the steps of,
[0021] 1) Prepare the slurry, use diatomite with a weight ratio of 90-96.8%, bentonite 2-5%, waste glass powder 1-4.8%, and carboxymethyl cellulose 0.2-0.5% as raw materials, ball mill, and Alumina balls are used as the ball milling medium, and water balls are added to make a slurry with a water content of about 35%, which is sieved and used for later use;
[0022] 2) The preparation of the ceramic body, adopting the organic foam impregnation method, selecting the fine-pored sponge as the forming template, cutting it into a certain volume of blocks, soaking the fine-pored sponge in sodium hydroxide solution, cleaning and drying to be used later;
[0023] Squeeze the fine-pored sponge to remove the air and immerse it in the pre-prepared ceramic slurry to make the slurry fully infiltrate the sponge body, and then use rubbing and rolling methods to remove the ...
Embodiment 1
[0027] Embodiment 1, weight ratio is 96% diatomite, 2% bentonite, 1.7% waste glass powder, 0.3% carboxymethyl cellulose;
Embodiment 2
[0028] Embodiment 2, weight ratio is 95% diatomite, 3% bentonite, 1.5% waste glass powder, 0.5% carboxymethyl cellulose;
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