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nt-1b acidic phosphating solution and safe box surface pretreatment process based on the nt-1b acidic phosphating solution

A phosphating solution and acidic technology, applied in the coating process of metal materials, etc., can solve the problems of inconvenient movement, easy to generate floating rust, unsuitable for ATM safes, etc., and achieve the effect of improving safety and reducing cleaning costs

Active Publication Date: 2016-08-03
TRI STAR
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The ATM safe is easy to rust due to its heavy weight, inconvenient movement, and less grease, making the above-mentioned phosphating process unsuitable for the production of ATM safes; The surface of the phosphating solution safe is prone to floating rust

Method used

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Embodiment Construction

[0020] The technical solutions of the present invention will be described in detail below with reference to each embodiment.

[0021] Aiming at the fact that the ATM safe has high iron content, the surface is difficult to penetrate, and the surface of general phosphating solution is easy to produce rust, the invention specially prepares the NT-1B acid phosphating solution. It is prepared by adding rust remover, degreaser, dispersant, passivator, film-forming agent and other auxiliary agents to the solution. Specifically, the NT-1B acidic phosphating solution of the present invention includes the following components: Phosphoric acid, phytic acid, degreaser, rust remover, film-forming agent, dispersant, passivator, penetrant and water, wherein the dispersant is an organic alcohol amine compound, and the commodity number is dispersant P- 5095; penetrant is end-capped low molecular weight alkylene oxide copolymer, product number is SW-270; passivator is trivalent chromium passiva...

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Abstract

The invention discloses an NT-1B acidic phosphating solution and a safe box surface pretreatment process based on the NT-1B acidic phosphating solution; the NT-1B acidic phosphating solution is aimed at ATM safes with high iron content , The surface is difficult to penetrate, and it is prepared by using the current situation that the surface of the general phosphating solution is prone to floating rust. It is prepared by adding rust remover, degreasing agent, dispersant, passivation agent, and film-forming agent to the trivalent phosphating solution. and other auxiliary agents, specifically, the NT‑1B acidic phosphating solution of the present invention includes the following components: phosphoric acid, phytic acid, degreasing agent, rust remover, film forming agent, dispersant, blunt chemicals, penetrants, and water. Therefore, the present invention can make the solvent infiltrate the capillary pores on the surface for rust removal, oil removal, phosphating and film formation and passivation; therefore, it can effectively remove impurities such as oil and grease remaining on the surface of the box body after sanding, and then generate a A layer of protective film increases the corrosion resistance of the box and the adhesion between the box and the paint.

Description

technical field [0001] The invention relates to an NT-1B acid phosphating liquid, which is the main component of a surface pretreatment cleaning agent for a safe box body. [0002] The invention also relates to a surface pretreatment process of the safe box body based on the NT-1B acid phosphating liquid, belonging to the field of safe manufacturing. Background technique [0003] At present, the pre-treatment of the ATM safe box is cleaned with oily solvent, and gasoline and acetone are generally used for cleaning. Due to the flammable and explosive nature of oily solvent, it brings potential safety hazards to production, and the cost of gasoline and acetone higher, increasing the overall cost. [0004] Therefore, people naturally think of using water-based cleaning process, among which, the more common water-based cleaning process is phosphating process, which generally includes the following steps: hot water washing → pre-degreasing → degreasing → water washing → pickling...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23C22/07C23C22/73
Inventor 张翔李娟曹汉军
Owner TRI STAR
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