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Preparation method of composite nanoscale

A scale and nanotechnology, applied in the field of powder scale processing and nanoscale processing, can solve the problems of coating materials, dispersed materials and imperfect preparation processes, inability to prepare composite nanoscale materials, single function, etc., and achieve excellent attachment Concentration, low reflectivity, good light absorption performance

Active Publication Date: 2021-04-16
江苏超途新材料科技有限公司
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  • Abstract
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  • Claims
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AI Technical Summary

Problems solved by technology

However, the thickness of the prepared nano-scales is 10-100nm, which is relatively thick, and it is a nano-scale of a single material, and its function is also relatively single. In addition, the ball milling equipment used for the preparation is a batch planetary ball mill, which has low efficiency. The material, dispersion material and preparation process are not perfect, and the uniform composite nano-scale material cannot be prepared

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preparation example Construction

[0033] The preparation method of the composite nano-scale of the present application:

[0034] 1. Weigh the base material powder to be prepared into composite nano 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 of the main basic material 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 gr...

preparation Embodiment 1

[0042] 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.

[0043] 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.

[0044] 2. To match the balls for the intermittent planetary ball mill, select five ...

preparation Embodiment 2

[0050] 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.

[0051] 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.

[0052] 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.

[0053] 3. ...

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Abstract

The invention relates to a preparation method of a composite nano scale material or a nano scale composite material. The preparation method includes selecting the basic material to be prepared into scales, selecting grinding balls, and other additives, putting the above-mentioned raw materials in a batch grinder for primary grinding, and then grinding them finely in a continuous planetary ball mill to prepare uniform composite nano scales The material has a thickness of 1 to 40 nm, and the size of the sheet in the planar direction is 0.2 to 50 μm. The method solves the problems in the prior art that the scales are large in size, the base material is single, and the prepared scales are not complete and uniform.

Description

technical field [0001] The invention belongs to the fields of powder scale processing and nano scale processing, and specifically relates to a preparation method of a composite nano scale material or a nano scale composite material. Background technique [0002] With the advancement of science and technology, the development of powder industry has entered the field of nanoscale, which is one of the trends in the development of international powder technology. While the world powder industry is developing towards refinement, the important role of industrial powder deep processing technology in scientific research and industrial production is more and more fully reflected. [0003] The flake material is mainly used as a filler for coatings, rubber, plastics and other materials. It plays a reinforcing role and forms a "labyrinth effect" of the scale laminated structure to improve the impermeability of the base material. Dacromet paint and glass flake paint are several kinds of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B02C17/10B02C17/20B01F13/10
CPCB02C17/10B02C17/20B01F33/83
Inventor 白日忠陈景清张蕴杨献楠
Owner 江苏超途新材料科技有限公司