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Titanium powder surfactant and using method thereof

A surface activator and activator technology, applied in liquid chemical plating, metal material coating process, coating, etc., can solve the problems of difficult removal of oxide film and lack of mature experience, etc., and achieve stable activation state and good activation effect , to ensure the effect of activation and activity stability control

Pending Publication Date: 2020-03-20
KUNMING UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The reason is that titanium with high corrosion resistance is an easy-to-oxidize metal, and the surface area of ​​titanium powder increases significantly with the decrease of particle size, and its oxidation property is stronger. Therefore, the surface of commercially available titanium metal powder is covered with an oxide film with high inertness. , and this oxide film is difficult to remove, and the cleaned titanium surface after removal can quickly form a new oxide film; therefore, the chemical characteristics, electrode potential, stability, etc. of the surface of titanium powder and zinc powder are fundamentally different, which leads to titanium powder Mechanochemical deposition has no mature experience for reference at all, and its technology is a brand new start

Method used

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  • Titanium powder surfactant and using method thereof
  • Titanium powder surfactant and using method thereof
  • Titanium powder surfactant and using method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0029] Components and mass percentages thereof of the titanium powder surfactant described in this example are:

[0030] Ammonium bifluoride 8%

[0031] Zinc sulfate 5%

[0032] Polyethylene glycol 4000 6%

[0033] Nickel Sulfamate 5%

[0034] Oxalic acid 5%

[0035] OP-10 10%

[0036] Sodium hypophosphite 2%

[0037] Industrial concentrated sulfuric acid 5%

[0038] water balance

[0039] The components of the above-mentioned titanium powder surfactant are all industrial-grade chemical raw materials. After weighing according to the above-mentioned mass percentage, first add water and industrial concentrated sulfuric acid to the container, and then add ammonium bifluoride, zinc sulfate, oxalic acid, nickel sulfamate , polyethylene glycol, OP-10, stir evenly and the preparation is completed.

[0040] The titanium powder surface activator described in this example is used for the titanium powder activation of the mechanical titanium plating process; the workpiece to be p...

Embodiment 2

[0046] Components and mass percentages thereof of the titanium powder surfactant described in this example are:

[0047] Ammonium bifluoride 20%

[0048] Zinc Sulfate 10%

[0049] Polyethylene glycol 8000 15%

[0050] Nickel Sulfamate 3%

[0051]TX-10 3%

[0052] Oxalic acid 5%

[0053] Sodium hypophosphite 5%

[0054] Hydrofluoric acid 0.5%

[0055] water balance

[0056] The components of the above-mentioned titanium powder surfactant are all industrial-grade chemical raw materials. After weighing according to the above-mentioned mass percentage, first add water and hydrofluoric acid to the container, and then add ammonium bifluoride, zinc sulfate, oxalic acid, nickel sulfamate , Sodium Hypophosphite, Polyethylene Glycol, TX-10, stir evenly to complete the preparation.

[0057] The titanium powder surfactant described in this example is used for the activation of titanium powder in the mechanical titanium plating process. The workpiece to be plated is a flat gasket ...

Embodiment 3

[0064] Components and mass percentages thereof of the titanium powder surfactant described in this example are:

[0065] Ammonium bifluoride 15%

[0066] Zinc sulfate 8%

[0067] Polyethylene glycol 4000 10%

[0068] Nickel Sulfamate 8%

[0069] OP-10 10%

[0070] Oxalic acid 8%

[0071] Sodium hypophosphite 3%

[0072] Industrial concentrated sulfuric acid 2%

[0073] water balance

[0074] The components of the above-mentioned titanium powder surfactant are all industrial-grade chemical raw materials. After weighing according to the above-mentioned mass percentage, first add water and industrial concentrated sulfuric acid to the container, and then add ammonium bifluoride, zinc sulfate, oxalic acid, nickel sulfamate , sodium hypophosphite, polyethylene glycol, OP-10, stir evenly and the preparation is complete.

[0075] The titanium powder surfactant described in this example is used for the activation of titanium powder in the mechanical titanium plating process. T...

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Abstract

The invention discloses a titanium powder surfactant and a using method thereof, which belong to the technical field of steel matrix titanium plating. The titanium powder surfactant disclosed by the invention comprises the following raw materials in percentage by mass: 8%-20% of ammonium bifluoride, 5%-10% of zinc sulfate (ZnSO4.7H2O), 6%-15% of polyethylene glycol, 3%-8% of nickel aminosulfonate,3%-10% of emulsifier, 5%-10% of oxalic acid, 2%-5% of sodium hypophosphite, 0.5%-5% of inorganic strong acid and the balance water. The surfactant disclosed by the invention is used for mechanical titanium plating on a steel matrix, all the components are added and prepared according to a certain sequence and are added and used according to a calculated amount when the surfactant is used, good activation effect and stable activation of titanium powder in a plating solution environment can be guaranteed after addition, continuous adsorption and deposition of the titanium powder are guaranteed,and an ideal titanium plating layer is obtained.

Description

technical field [0001] The invention relates to a titanium powder surface activator and a method for using the same, belonging to the technical field of surface protection, specifically, it belongs to the technical field of titanium powder mechanical plating. Background technique [0002] Titanium has excellent corrosion resistance, and its corrosion resistance can reach dozens of times that of zinc and aluminum protective layers. It is very suitable for long-term protection of steel substrates, protection in marine and aerospace fields. However, due to the chemical characteristics of titanium and other reasons, metal titanium cannot be electroplated in aqueous solution, and can only be coated by molten salt electroplating, sputtering deposition, and spraying, and currently only sputtering deposition is used in electronics and communications with high added value It has been applied in the field of equipment, and molten salt electroplating titanium is mostly in the research ...

Claims

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Application Information

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IPC IPC(8): C23C18/52
CPCC23C18/52C23C18/166
Inventor 王胜民赵晓军张俊裴和中何明奕苑振涛
Owner KUNMING UNIV OF SCI & TECH
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