A kind of sand base paint and preparation method thereof
A sand base and paint technology, applied in the paint field, can solve problems such as high packaging requirements, hazards, and difficulties in mining and processing
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[0019] The present invention also provides a preparation method of sand-based paint, the method comprising: (1) screening the first sand-based filler, the second sand-based filler, the third sand-based filler and the fourth sand-based filler respectively, wherein, relatively For 100 parts by weight of the first sand-based filler with an average particle diameter of 251 μm-830 μm, the amount of the second sand-based filler with an average particle diameter of 151 μm-250 μm is 20-45 parts by weight, and the second sand-based filler with an average particle diameter of 76 μm-150 μm The consumption of the three sand-based fillers is 20-45 parts by weight, and the consumption of the fourth sand-based fillers whose average particle diameter is 50 μm-75 μm is 5-20 parts by weight; (2) the sand-based fillers screened in step (1), Polyacrylate powder, modified cellulose, and modified starch are put into a dry powder mortar mixer and stirred evenly, wherein, relative to 100 parts by weig...
Embodiment 1
[0029] (1) Use a 20-mesh sieve and a 60-mesh sieve to screen the first sand-based filler (251 μm-830 μm) that can pass through a 20-mesh sieve but not a 60-mesh sieve; use a 60-mesh sieve and a 100-mesh sieve to screen through a 60-mesh sieve The second sand-based filler (151μm-250μm) that cannot pass through a 100-mesh sieve; use a 100-mesh sieve and a 200-mesh sieve to screen the third sand-based filler (76μm-150μm) that can pass through a 100-mesh sieve but cannot pass through a 200-mesh sieve ); use a 200 mesh sieve and a 300 mesh sieve to screen the fourth sand-based filler (50 μm-75 μm) that can pass through a 200 mesh sieve but cannot pass through a 300 mesh sieve; (2) the sand-based filler screened in step (1), Polyacrylate powder (5-40μm), hydroxyethyl cellulose (Hubei Xiangtai Cellulose Co., Ltd., 100000mPa s, 20 ℃, 2% aqueous solution), hydroxymethyl starch ether (Shanghai Chiwei Industrial Co., Ltd., 10000mPa s, 20°C, 2% aqueous solution) into a twin-screw dry powd...
Embodiment 2
[0031] (1) Use a 20-mesh sieve and a 60-mesh sieve to screen the first sand-based filler (251 μm-830 μm) that can pass through a 20-mesh sieve but not a 60-mesh sieve; use a 60-mesh sieve and a 100-mesh sieve to screen through a 60-mesh sieve The second sand-based filler (151μm-250μm) that cannot pass through a 100-mesh sieve; use a 100-mesh sieve and a 200-mesh sieve to screen the third sand-based filler (76μm-150μm) that can pass through a 100-mesh sieve but cannot pass through a 200-mesh sieve ); use a 200 mesh sieve and a 300 mesh sieve to screen the fourth sand-based filler (50 μm-75 μm) that can pass through a 200 mesh sieve but cannot pass through a 300 mesh sieve; (2) the sand-based filler screened in step (1), Polyacrylate powder (5-40μm), hydroxyethyl cellulose (Hubei Xiangtai Cellulose Co., Ltd., 100000mPa s, 20 ℃, 2% aqueous solution), hydroxymethyl starch ether (Shanghai Chiwei Industrial Co., Ltd., 10000mPa s, 20°C, 2% aqueous solution) into a twin-screw dry powd...
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