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Preparation method of thin composite nano flake paint

A flake and nanotechnology, applied in the field of preparation of thin composite nano-scale coatings, can solve the problems affecting the application of nano-scale coatings, the inability to make thin coatings, and the decline in coating protection performance, and achieve excellent adhesion and strong penetration resistance , Improve the effect of binding force

Active Publication Date: 2021-07-30
江苏超途新材料科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The current nano-coatings have no scale lamination effect and poor penetration resistance; second, they contain other non-nano fillers at the micron level, so the coating cannot be too thin
[0007] The prior invention patent ZL200510119141.6 "Preparation Method of Nano Flake Coatings" directly disperses nano scales in the base coating, which has the following defects: 1. Because the original base coating contains micron powder, the size of the micron powder (20 ~60 microns), the coating cannot be less than the thickness of the micron powder particle size; 2. Although the nano flakes have been treated, the nano scales were not added to the coating when the coating was prepared. Nano material dispersant, Anti-sedimentation agents and other additives compatible with nano scales provide better protection. Due to the high activity of nano scales, when the coating is stored, the aggregation and sedimentation of nano scales will occur, resulting in a decrease in the protective performance of the coating and affecting the nano scales. Application of flake coatings; 3. When preparing nano-scale coatings, no nano-material additives such as leveling agents and defoamers that are compatible with nano-scales are added. Bubbles and shrinkage cavities are prone to occur during use. When the coating is used, multiple passes are required. Coating, so as to eliminate the influence of air bubbles and shrinkage cavities, so it cannot be made into a thin coating; 4. Nano scales are made of a single material and have a single function

Method used

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  • Preparation method of thin composite nano flake paint
  • Preparation method of thin composite nano flake paint
  • Preparation method of thin composite nano flake paint

Examples

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preparation example Construction

[0053] A preparation method of thin composite nano-scale coating, the preparation method is as follows:

[0054] (1) Choose resin base material, described resin base material comprises epoxy resin base material, epoxy phenolic resin base material, polyphenylene sulfide resin base material, polyurethane resin base material, polyfluorine resin base material, fluorocarbon One or more of resin base material, acrylic base material, chlorinated rubber base material, perchlorethylene base material, alkyd base material.

[0055] Composite nano-scale materials are selected, the composite nano-scales have a thickness of 1-40nm, and the size of the planar direction of the sheet is 0.2-50 μm; it is uniform, active, multi-functional, highly dispersed, fully chemically bonded with the compounding agent, The one-dimensional composite nano-scale material coated with a protective agent is not only an active filler of a paint, but also a modifier and a coupling agent.

[0056] Selection of add...

preparation Embodiment 1

[0134] 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.

[0135] 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.

[0136] 2. To match the balls for the intermittent planetary ball mill, select five ...

preparation Embodiment 2

[0142] 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.

[0143] 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.

[0144] 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.

[0145] 3. ...

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Abstract

The invention relates to a preparation method of a thin composite nanoscale coating. The preparation method includes selecting resin base material, composite nanoscale flake material and other additives, putting the above materials together, mixing and dispersing with mixing and dispersing equipment to form composite nanoscale flake paint. The surface of the composite nano-scale has highly active dangling bonds, which coordinate with organic matter to form chemical bonding and chemical adsorption, which greatly improves the bonding force between the filler and the resin in the paint, and also greatly improves the bonding force between the resin molecules of the paint.

Description

technical field [0001] The invention relates to a coating with a new composite nano-scale material as a filler, which belongs to the field of coatings, in particular to a preparation method of a thin composite nano-scale coating. [0002] technical background [0003] Coatings are widely used in petrochemical industry, metallurgical industry, food industry, coal mining, marine industry, machinery industry, electric power industry and other fields of protection. For example, in the marine industry, they are used on ships to enhance seawater resistance and extend the hull In the iron and steel industry, the protection of various pipelines, flues, and desulfurization scrubbers can minimize the economic loss caused by steel corrosion; in the food industry, it can meet the requirements of equipment anticorrosion and pollution prevention at the same time; In the petroleum industry, it can be used as a special anti-corrosion and anti-fouling coating; in the home appliance industry, ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C09D5/08C09D7/62C09D7/65
CPCC08K2003/0881C08K2201/003C08L27/18C08L81/02C09D5/08C08K3/042C09D7/62C09D7/65
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
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