A kind of anti-cracking abrasive tile and preparation method thereof
A grinding brick and anti-cracking technology, which is applied in the production of clay products, other household utensils, ceramic materials, etc., can solve the problems of easy drying cracks in bricks, fine lines in finished products, high drying shrinkage and sintering shrinkage, etc.
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Embodiment 1
[0024] Step A, according to the percentage by weight, 35% of pure acrylic emulsion, 20% of alkylketene modified cellulose, 5% of phosphate, 5% of polyvinyl alcohol, 15% of bentonite, 5% of polyacrylic acid emulsion and 15% of water, Disperse and grind at a high speed at room temperature until the fineness is 70 μm to obtain the anti-cracking agent;
[0025] Step B, according to weight percentage, mix 20% of plastic mud, 30% of whole body brick clinker particles of 10-15 mesh, 15% of vitrified brick clinker particles of 20-30 mesh, 32% of feldspar flux and the anti-cracking agent 3% agent, add water and knead evenly to make mud;
[0026] In step C, the uniformly mixed mud in step B is made into mud granules by a screen granulator, and the mud granules are extruded by a vacuum extruder and cut into wet bricks, wherein the relative vacuum degree of the vacuum extruder is - 0.08~-0.1MPa, the moisture content of mud particles is 20%;
[0027] Step D, placing the extruded wet adob...
Embodiment 2
[0032] Step A, according to the percentage by weight, 35% of pure acrylic emulsion, 10% of alkyl ketene modified cellulose, 2% of phosphate, 3% of polyvinyl alcohol, 10% of bentonite, 5% of polyacrylic acid emulsion and 35% of water, Disperse and grind at a high speed at room temperature until the fineness is 70 μm to obtain the anti-cracking agent;
[0033] Step B, according to weight percentage, mix 20% of plastic mud, 30% of whole body brick clinker particles of 10-15 mesh, 15% of vitrified brick clinker particles of 20-30 mesh, 32% of feldspar flux and the anti-cracking agent 3% agent, add water and knead evenly to make mud;
[0034] In step C, the uniformly mixed mud in step B is made into mud granules by a screen granulator, and the mud granules are extruded by a vacuum extruder and cut into wet bricks, wherein the relative vacuum degree of the vacuum extruder is - 0.08~-0.1MPa, the moisture content of mud particles is 20%;
[0035] Step D, placing the extruded wet ado...
Embodiment 3
[0040] Step A, according to the percentage by weight, 35% of pure acrylic emulsion, 20% of alkylketene modified cellulose, 5% of phosphate, 5% of polyvinyl alcohol, 15% of bentonite, 5% of polyacrylic acid emulsion and 15% of water, Disperse and grind at a high speed at room temperature until the fineness is 70 μm to obtain the anti-cracking agent;
[0041] Step B, according to weight percentage, mix 20% of plastic mud, 30% of whole body brick clinker particles of 10-15 mesh, 15% of vitrified brick clinker particles of 20-30 mesh, 32% of feldspar flux and the anti-cracking agent 1% agent, add water and knead evenly to make mud;
[0042] In step C, the uniform mud mixed in step B is made into mud granules by a screen granulator, and the mud granules are extruded by a vacuum extruder and cut into wet bricks, wherein the relative vacuum degree of the vacuum extruder is - 0.08~-0.1MPa, the moisture content of mud particles is 20%;
[0043] Step D, placing the extruded wet adobe ...
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