Ceramic casting slurry and preparation method thereof
A technology of casting slurry and ceramics, which is applied in the field of ceramic thick film casting, can solve the problems of inability to obtain high-quality cast thick film, decrease the solid content of slurry, increase the amount of solvent, etc., and achieve the benefit of casting process Control, small amount of solvent, high controllability effect
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[0026]The mixed solvent is composed of absolute ethanol and ethyl acetate, and the weight ratio of the two is 1:1. The adhesive is polyvinyl formal B06SY from Taiwan Changchun Petrochemical Company. The adhesive is dissolved in the above mixed solvent to obtain a 30 wt% solution, and the amount of the adhesive solution is 80 grams. The ceramic powder is X7R dielectric ceramic powder, and the dosage is 500 grams. The amount of solvent used was 105 grams. The dispersant is triolein, and the dosage is 1.5 wt% of the ceramic powder. The plasticizer is butyl benzyl phthalate and polyethylene glycol 400, the ratio of the two is 1:1, and the total amount of plasticizer is 50 wt% of the adhesive. When preparing the slurry, first add the ceramic powder, solvent and dispersant to the nylon ball mill tank and mill for 10 hours, then add the above-mentioned binder solution and plasticizer to the ball mill tank and continue the ball mill for 48 hours to obtain the casting slurry. The ca...
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