Method for preparing nanometer toughened inorganic transparent protective coating
A transparent protection and nano-filler technology, applied in the direction of alkali metal silicate coatings, coatings, etc., can solve the problems of reducing the mechanical properties of inorganic coatings, demulsification, and unstable coating performance, so as to reduce the tendency of agglomeration, stable performance, Good toughening effect
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Embodiment 1
[0026] A kind of nano toughening inorganic transparent protective coating, is made up of the raw material of following percentage by weight: Sodium water glass (modulus 3.0, solid content 50%) 70%, sodium methyl silicate (solid content 30%) 10%, Silicon phosphate (particle size≤10μm) 7%, nano Fe 2 o 3 (Particle size 80nm) 0.5%, BYK190 0.3%, BYK346 0.5%, BYK024 1%, deionized water 10.7%, its preparation method is:
[0027] (1) Weigh deionized, sodium methyl silicate, BYK190, BYK346, silicon phosphate, nano-Fe by weight 2 o 3 , added to the batching tank and stirred to form a slurry;
[0028] (2) Inject the slurry into a nano ball mill (Suzhou Weige Nano Technology Co., Ltd., T series sand mill) for grinding. The grinding process is: the slurry injection rate is 10L / min, the grinding time is 60min, and the grinding medium ZrO 2 The diameter is 0.1-0.5mm, and the maximum particle size of the slurry after grinding is ≤0.2μm;
[0029] (3) In a high-speed disperser, add sodium-...
Embodiment 2
[0031] A kind of nano toughened inorganic transparent protective coating, is made up of the raw material of following percentage by weight: Potassium water glass (modulus 5.2, solid content 30%) 80%, potassium methyl silicate (solid content 40%) 5%, Silicon tripolyphosphate (particle size≤10μm) 5%, nano-Al 2 o 3 (Particle size 50nm) 1%, Dego740W 1%, BYK333 0.3%, TEGO 810 0.3%, deionized water 7.4%, its preparation method is:
[0032] (1) Weigh deionized, potassium methyl silicate, Dego740W, BYK333, silicon tripolyphosphate, nano-Al by weight 2 o 3 , added to the batching tank and stirred to form a slurry;
[0033] (2) The slurry is injected into a nano ball mill (Suzhou Weige Nano Technology Co., Ltd., T series sand mill) for grinding. The grinding process is: the slurry injection rate is 1L / min, the grinding time is 180min, and the grinding medium ZrO 2 The diameter is 0.1-0.5mm, and the maximum particle size of the slurry after grinding is ≤0.2μm;
[0034] (3) In a high...
Embodiment 3
[0036]A kind of nano toughened inorganic transparent protective coating, is made up of the raw material of following percentage by weight: Lithium-based water glass (modulus 6.0, solid content 20%) 85%, sodium methyl silicate (solid content 40%) 1%, Silicon tripolyphosphate (particle size≤10 μm) 8%, nano ZnO (particle size 50nm) 2%, 5040 0.5%, FSO-100 0.1%, DC-65 0.3%, deionized water 3.1%, its preparation method is:
[0037] (1) Weigh deionized, sodium methyl silicate, 5040, FSO-100, silicon tripolyphosphate, and nano-ZnO by weight, add them to the batching tank and stir to form a slurry;
[0038] (2) The slurry is injected into a nano ball mill (Suzhou Weige Nano Technology Co., Ltd., T series sand mill) for grinding. The grinding process is: the slurry injection rate is 5L / min, the grinding time is 120min, and the grinding medium ZrO 2 The diameter is 0.1-0.5mm, and the maximum particle size of the slurry after grinding is ≤0.2μm;
[0039] (3) In the high-speed disperser, ...
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