Preparation method for composite nano flakes
A flake and nano technology, applied in the field of powder flake processing and nano flake processing, can solve the problems of imperfect coating materials, dispersing materials and preparation processes, inability to prepare composite nano flake materials, single function, etc., and achieve excellent adhesion. Focus, high corrosion resistance, good light absorption effect
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preparation example Construction
[0033] The preparation method of the composite nanoscale of the present application:
[0034] 1. Weigh the base material powder to be prepared into scales. The particle size of the powder is 1-100 μm. There are two or more base materials, one of which is the main base material, and the others are auxiliary base materials. The weight ratio to the auxiliary basic material is 1:0.1~1;
[0035] 2. Select grinding balls of different materials according to the hardness of the processed powder, and make reasonable ball matching, and then put them into the grinding cylinder of the primary intermittent planetary ball mill and continuous planetary ball mill. The accumulation volume of the grinding balls accounts for 30% to 70% of the volume of the grinding cylinder. %, the material of the grinding ball should be selected according to the purity of the material. In order to increase the grinding frequency of the grinding ball, generally choose grinding balls of no less than three sizes; ...
preparation Embodiment 1
[0041] In this example, nanoscale flakes composited by polytetrafluoroethylene and graphene are prepared. The primary grinding uses a batch planetary ball mill, and the composite uses a continuous planetary ball mill. The main basic material processed is 100 mesh polytetrafluoroethylene powder and the auxiliary basic material multilayer graphene. , the grinding ball is zirconia ball, the coupling agent, anti-sedimentation agent, dispersant, protective agent and solvent are 3-(methacryloyloxy)propyltrimethoxysilane (KH-570), styrylphenol Polyoxyethylene Ether, Dimethylhydrochlorosilane, Vinyl Acetate, Deionized Water.
[0042] 1. Weigh 100g of polytetrafluoroethylene as the main basic material, 50g of multilayer graphene as the auxiliary basic material, 3g of 3-(methacryloxy)propyltrimethoxysilane (KH-570), 3g of styrylphenol polyoxygen Vinyl ether 4.5g, vinyl acetate 3g, deionized water 60g.
[0043] 2. To match the balls for the intermittent planetary ball mill, select five ...
preparation Embodiment 2
[0049] In this example, iron and cobalt composite nanoscale flakes are prepared. Intermittent planetary ball mills are used for primary grinding, and continuous planetary ball mills are used for compounding. The main basic material processed is 200 mesh iron powder and 300 mesh cobalt powder as auxiliary basic material. The grinding balls are steel balls. Agent, protective agent and solvent are triethanolamine; sodium hexametaphosphate; deionized water.
[0050] 1. According to the main basic material iron powder 100g; auxiliary basic material cobalt powder 100g; triethanolamine 10g; sodium hexametaphosphate 1g; water 200g for batching.
[0051] 2. To match the balls for the intermittent planetary ball mill, select five specifications of zirconia balls (13 / 16)″; (19 / 32)″; (3 / 8)″; (5 / 16)″; (7 / 32) ". According to the volume of the ball mill working cylinder, the weights of various steel balls are (13 / 16)" 350g; (19 / 32)" 160g; (3 / 8)" 110g; (5 / 16)" 20g; (7 / 32)" 20g.
[0052] 3. ...
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