Environment-friendly nickel-plating rust-proof sealing agent and preparation method thereof

A preparation method and sealing agent technology, applied in the direction of metal material coating process, etc., can solve the problems of greasy, odor, safety, etc., and achieve the effects of good stability, not easy to gel, and obvious anti-corrosion effect.

Inactive Publication Date: 2017-07-21
NINGBO LUO PIANOS COMPANY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The other is oil-based anti-rust sealant, which has a better anti-rust sealing effect th

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0022] Example 1

[0023] The components and their contents include: lithium silicate (modulus SiO / li O is 4.8) 10.0 parts; sodium silicate (modulus SiO / Na O is 3.3) 1.5 parts; sodium molybdate 1.0 part; sodium phytate 0.5 part; benzotriazole 0.1 part; polyethylene glycol (6000) 0.4 part; polyvinyl alcohol (17-88) 0.5 part; triethanolamine 1.5 parts; balance of deionized water.

[0024] The steps of preparing 1000g nickel-plated anti-rust sealer solution are as follows: (1) Calculate according to the mass parts of the components, 1000g of nickel-plated anti-rust sealer solution should be added with 100g lithium silicate, 15g sodium silicate, 10g sodium molybdate, plant Sodium sulfate 5g, benzotriazole 1g, polyethylene glycol (6000) 4g, polyvinyl alcohol (17-88) 5g, triethanolamine 15g, the balance of deionized water; (2) Triethanolamine, sodium molybdate , Sodium phytate and benzotriazole dissolved in about 300g of deionized water at 50-60°C, dissolved and mixed under stirri...

Example Embodiment

[0025] Example 2

[0026] The components and their contents include: lithium silicate (modulus SiO / li O is 4.8) 8.0 parts; sodium silicate (modulus SiO / Na O is 3.3) 1.0 part; sodium molybdate 0.8 part; sodium phytate 0.6 part; benzotriazole 0.2 part; polyethylene glycol (6000) 0.5 part; polyvinyl alcohol (17-88) 0.6 part; triethanolamine 2.0 parts; balance of deionized water.

[0027] The steps for preparing 1000g of nickel plating antirust sealant solution are the same as in Example 1.

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PUM

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Abstract

The invention discloses an environment-friendly nickel-plating rust-proof sealing agent and a preparation method thereof and belongs to the technical field of metal surface treatment. The environment-friendly nickel-plating rust-proof sealing agent is characterized in that 100 parts of the sealing agent comprise, by mass, 6.0-10.0 parts of lithium silicate, 0.6-1.5 parts of sodium silicate, 0.6-1.0 part of sodium molybdate, 0.4-0.6 part of sodium phytate, 0.1-0.2 part of benzotriazole, 0.4-0.6 part of polyethylene glycol, 0.4-0.6 part of polyving akohol, 1.0-2.0 parts of triethanolamine, and the balance deionized water. The nickel-plating rust-proof sealing agent is environmentally friendly, safe and good in stability and has remarkable anti-corrosion effect on steel nickel-plating parts, and gelling is not prone to occurring.

Description

technical field [0001] The invention relates to the technical field of metal surface treatment, in particular to an environment-friendly nickel-plating anti-rust sealant and a preparation method thereof. Background technique [0002] For many steel parts, nickel plating is widely used for anti-rust and decorative needs. Nickel coatings on steel parts are cathodic and can only provide complete mechanical protection if the coating is free of porosity. The thickness of nickel plating without porosity is generally more than 24 microns, the price is high, and most parts are difficult to achieve. At present, copper plating is generally used as the base and then thin bright nickel plating process. In order to reduce the cost, the bright nickel coating is only 4-5 microns, and there are inevitably pores. The corrosive medium passes through the pores, corroding the copper base first, and then corroding the iron substrate. The corrosion resistance of the coating is not good, and it...

Claims

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Application Information

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IPC IPC(8): C23C22/68C23C22/83C23F11/08C23F11/14C25D5/36
CPCC23C22/68C23C22/83C23F11/08C23F11/149C25D5/36
Inventor 陈立明张开峰孙旭东罗铁丰邬立平李炳生
Owner NINGBO LUO PIANOS COMPANY
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