Ceramic slurry as well as preparation method and application thereof
A technology of ceramic slurry and ceramic powder, applied in the field of materials, can solve the problems of low conveying efficiency, poor storage performance, narrow application field, etc., and achieve the effect of good fluidity, high viscosity and easy self-supporting effect.
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[0030] The embodiment of the present invention also provides a preparation method of the ceramic slurry, comprising:
[0031] In step S1, each raw material is weighed according to the formula of the ceramic slurry, and set aside.
[0032] Step S2, heat and stir the photosensitive organic matter, plasticizer, wax and a part of the dispersant to obtain a first mixed liquid.
[0033] In the embodiment of the present invention, the heating and stirring process can refer to the prior art. For example, the raw materials are added to the beaker and placed in a water bath, and the temperature of the water bath is set to 70-80 ° C. During the heating period, the liquid in the beaker Stir the mixture to heat and melt the waxy substance, and mix it evenly with other raw materials. Since the waxy substance is still not miscible with other raw materials, a relatively uniform suspension can be obtained at this time, that is, the first mixed liquid.
[0034] Step S3, adding the first mixed li...
Embodiment 1
[0046] Weigh the raw materials according to the following ceramic slurry formula for later use: 75 parts of alumina powder with a particle size of 0.8 μm; 9 parts of ethoxylated bisphenol A diacrylate, 9 parts of 1,6-hexanediol diacrylate; 3 parts of butyl ester; 1.2 parts of paraffin wax particles; 0.1 part of diphenyl-(2,4,6-trimethylbenzoyl)phosphine; 1.4 parts of dispersant Tego Disper689 and 0.4 parts of dispersant R11000.
[0047] Add the photosensitive organic matter, plasticizer, waxy substance and dispersant Tego Disper689 into a beaker and heat and stir in a water bath to melt the waxy substance at 75°C and evenly distribute it in the suspension; Add the suspension into a ball mill jar, add grinding media into the ball mill jar, the proportion of the grinding medium in the ball mill jar is not higher than 1 / 3 of the volume of the ball mill jar, and ball mill and disperse for 3 minutes at a lower speed to obtain the second mixture; the ceramic powder Add it into the g...
Embodiment 2
[0049] According to the formula of the following ceramic slurry, the raw materials are weighed for later use: fused silica powder (SiO 2 ) 53 parts, 20 parts of zirconium silicate powder with a particle size of 10 μm; 11.7 parts of polyether acrylate GENOMER 3364, 1.3 parts of polyether acrylate GENOMER3364; 6.4 parts of polyethylene glycol 200; 2.4 parts of white beeswax; 1-hydroxycyclohexylphenyl 0.88 parts of methyl ketone; 0.64 parts of hyperdispersant Solsperse39000.
[0050] Add the photosensitive organic matter, plasticizer, wax substance and a part of the hyperdispersant Solsperse39000 into a beaker and heat and stir in a water bath to melt the wax substance and evenly distribute it in the suspension at 75°C; Add the suspension into a ball mill jar, add grinding media to the ball mill jar, the proportion of the grinding medium in the ball mill jar is not higher than 1 / 3 of the ball mill jar volume, and ball mill and disperse for 3 minutes at a lower speed to obtain the...
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