CN111304704A

CN111304704A - Additive for improving bending test reliability of surface treatment product

Info

Publication number: CN111304704A
Application number: CN202010314590.0A
Authority: CN
Inventors: 邓金虎
Original assignee: Suzhou Plater Electronic Co ltd
Current assignee: Suzhou Plater Electronic Co ltd
Priority date: 2020-04-20
Filing date: 2020-04-20
Publication date: 2020-06-19

Abstract

The invention provides an additive for improving the bending test reliability of a surface treatment product, which consists of a brightening agent, a wetting agent and a flattening agent, wherein the addition amount of the brightening agent in surface treatment liquid medicine is 1-5ml/L, the addition amount of the wetting agent in the surface treatment liquid medicine is 0.2-0.8ml/L, and the addition amount of the flattening agent in the surface treatment liquid medicine is 1-5 ml/L. The invention can effectively solve the problem that cracks are easy to appear at the bending part after the product bending test.

Description

Additive for improving bending test reliability of surface treatment product

Technical Field

The invention relates to the field of surface treatment, in particular to the field of nickel-plated products, and further particularly relates to an additive for improving the bending test reliability of a surface-treated product.

Background

The surface treatment is a process method for artificially forming a surface layer with mechanical, physical and chemical properties different from those of a substrate on the surface of a substrate material. The purpose of the surface treatment is to meet the requirements of corrosion resistance, wear resistance, decoration or other special functions of the product.

The surface treatment in a broad sense is a process method comprising a plurality of physical and chemical methods such as pretreatment, electroplating, coating, chemical oxidation, thermal spraying and the like. The subdivision according to the product coating material may include copper plating, nickel plating, silver plating, gold plating, etc.

At present, for the product of carrying out surface nickel plating to this Type of Type-C interface, it need bend the test after having accomplished surface treatment, but use conventional nickel plating liquid medicine after, it is at the cracked crackle of very easy appearance of back surface coating of bending, as shown in figure 1, very obvious crackle has appeared in its department of bending to can lead to the product unqualified, need carry out the processing of doing over again.

Disclosure of Invention

In view of the above, the invention provides an additive for improving the bending test reliability of a surface-treated product, and solves the problem that cracks are easy to appear at the bending position after the bending test of the product by limiting the additives to three types and greatly reducing the dosage of the three additives.

Therefore, the invention provides an additive for improving the bending test reliability of a surface treatment product, which consists of a brightening agent, a wetting agent and a flattening agent, wherein the addition amount of the brightening agent in surface treatment liquid medicine is 1-5ml/L, the addition amount of the wetting agent in the surface treatment liquid medicine is 0.2-0.8ml/L, and the addition amount of the flattening agent in the surface treatment liquid medicine is 1-5 ml/L.

Furthermore, the addition amount of the brightening agent in the surface treatment liquid medicine is 1-4ml/L, the addition amount of the wetting agent in the surface treatment liquid medicine is 0.3-0.7ml/L, and the addition amount of the leveling agent in the surface treatment liquid medicine is 1-4 ml/L.

Furthermore, the addition amount of the brightening agent in the surface treatment liquid medicine is 1-3ml/L, the addition amount of the wetting agent in the surface treatment liquid medicine is 0.4-0.6ml/L, and the addition amount of the leveling agent in the surface treatment liquid medicine is 1-3 ml/L.

Furthermore, the addition amount of the brightening agent in the surface treatment liquid medicine is 1-2ml/L, the addition amount of the wetting agent in the surface treatment liquid medicine is 0.4-0.5ml/L, and the addition amount of the leveling agent in the surface treatment liquid medicine is 1-2 ml/L.

Further, the amount of the brightener added to the surface treatment liquid was 2ml/L, the amount of the wetting agent added to the surface treatment liquid was 0.4ml/L, and the amount of the leveler added to the surface treatment liquid was 2 ml/L.

Further, the surface treatment liquid medicine is nickel plating liquid medicine, the additive is a nickel plating additive, and the surface treatment product is a nickel plating product.

Further, the nickel-plated layer product is a Type-C interface.

Compared with the prior art, the additive for improving the bending test reliability of the surface treatment product is limited to three types, namely only brightener, wetting agent and leveling agent are adopted, and the dosage of the three types of additives is greatly reduced, wherein the conventional addition amounts are 10ml/L of brightener, 1.8ml/L of wetting agent and 10ml/L of leveling agent;

the principle of the invention for improving the cracks is that the variety and the dosage of the additive amount in the liquid medicine are reduced, so that the content of organic matters in the liquid medicine is reduced (the additives belong to organic matters), the problems of increased stress and brittleness of a product coating caused by too many additives are solved, the ductility of the coating is improved to a great extent, and the problem that the bending part of the product is easy to crack after the bending test can be effectively solved.

Drawings

FIG. 1 is a photograph of a surface-treated product taken at a bend after a bend test in the prior art;

fig. 2 is a photograph of the surface-treated product of the present invention taken at the bend after the bending test.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below. While exemplary embodiments of the present disclosure have been shown, it should be understood that the present disclosure may be embodied in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

The first embodiment is as follows:

the example is the most preferred embodiment.

The product that this embodiment is directed at is Type-C interface, needs to carry out nickel plating on the product surface and handles here, improves the additive of nickel plating liquid medicine, and this additive comprises brightener, wetting agent and flattening agent.

Wherein the addition amount of the brightening agent in the nickel plating solution is 2ml/L, the addition amount of the wetting agent in the nickel plating solution is 0.4ml/L, and the addition amount of the leveling agent in the nickel plating solution is 2 ml/L.

Wherein the nickel plating solution is a conventional nickel plating solution and comprises the following conventional components:

(1) a primary salt capable of depositing a salt of the desired coating metal on the cathode;

(2) a complexing agent capable of forming a complex with the deposited metal ions in solution;

(3) the conductive salt can improve the conductivity of the solution and is a substance which does not have a complexing effect on discharged metal ions;

(4) a buffer to stabilize the pH of the solution, particularly near the cathode surface;

(5) the stabilizer prevents main salt in the plating solution from hydrolyzing or metal ions from oxidizing, and keeps the solution clear and stable;

(6) an anode activator which can eliminate or reduce the substances polarized by the anode in the electroplating process, and can promote the normal dissolution of the anode and improve the current density of the anode;

the respective amounts may be those known in the art, which are not part of the improvement of the present invention, and will not be described in detail herein.

Example two:

otherwise the same as in the first embodiment, except that: the addition amount of the brightener in the nickel plating solution is 1ml/L, the addition amount of the wetting agent in the nickel plating solution is 0.2ml/L, and the addition amount of the leveler in the nickel plating solution is 1 ml/L.

Example three:

otherwise the same as in the first embodiment, except that: the addition amount of the brightener in the nickel plating solution is 3ml/L, the addition amount of the wetting agent in the nickel plating solution is 0.3ml/L, and the addition amount of the leveler in the nickel plating solution is 3 ml/L.

Example four:

otherwise the same as in the first embodiment, except that: the addition amount of the brightener in the nickel plating solution is 4ml/L, the addition amount of the wetting agent in the nickel plating solution is 0.6ml/L, and the addition amount of the leveler in the nickel plating solution is 4 ml/L.

Example five:

otherwise the same as in the first embodiment, except that: the addition amount of the brightener in the nickel plating solution is 5ml/L, the addition amount of the wetting agent in the nickel plating solution is 0.7ml/L, and the addition amount of the leveler in the nickel plating solution is 5 ml/L.

In summary, in the additive for improving the bending test reliability of the surface-treated product provided by the above embodiments, compared with the prior art, the additive is limited to three types, that is, only the brightener, the wetting agent and the leveling agent are used, and the dosage of the three types of additives is greatly reduced, wherein the conventional additive amount is 10ml/L of the brightener, 1.8ml/L of the wetting agent and 10ml/L of the leveling agent;

the principle that the crack is improved in the embodiment is that the type and the dosage of the additive amount in the liquid medicine are reduced, so that the content of organic matters in the liquid medicine is reduced (the additive belongs to organic matters), the problem that the stress and the brittleness of a product coating are increased due to too many additives is solved, the ductility of the coating is improved to a great extent, and the problem that the crack is easy to appear at the bending part after the product bending test can be effectively solved.

Fig. 2 shows a photograph of the appearance of the bent part of the product after the bending test with the additive of the present invention, and it can be seen that the crack phenomenon at the bent part is obviously improved, which verifies the above technical effect.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The additive for improving the bending test reliability of the surface treatment product is characterized by comprising a brightening agent, a wetting agent and a flattening agent, wherein the addition amount of the brightening agent in the surface treatment liquid medicine is 1-5ml/L, the addition amount of the wetting agent in the surface treatment liquid medicine is 0.2-0.8ml/L, and the addition amount of the flattening agent in the surface treatment liquid medicine is 1-5 ml/L.

2. The additive for improving the bending test reliability of a surface treatment product according to claim 1, wherein the brightener is added in the surface treatment liquid in an amount of 1-4ml/L, the wetting agent is added in the surface treatment liquid in an amount of 0.3-0.7ml/L, and the leveler is added in the surface treatment liquid in an amount of 1-4 ml/L.

3. The additive for improving the bending test reliability of a surface treatment product according to claim 1, wherein the brightener is added in the surface treatment liquid medicine in an amount of 1-3ml/L, the wetting agent is added in the surface treatment liquid medicine in an amount of 0.4-0.6ml/L, and the leveler is added in the surface treatment liquid medicine in an amount of 1-3 ml/L.

4. The additive for improving the bending test reliability of a surface treatment product according to claim 1, wherein the brightener is added in the surface treatment liquid in an amount of 1-2ml/L, the wetting agent is added in the surface treatment liquid in an amount of 0.4-0.5ml/L, and the leveler is added in the surface treatment liquid in an amount of 1-2 ml/L.

5. The additive for improving the bending test reliability of a surface treatment product according to claim 1, wherein the brightener is added in an amount of 2ml/L in the surface treatment liquid medicine, the wetting agent is added in an amount of 0.4ml/L in the surface treatment liquid medicine, and the leveler is added in an amount of 2ml/L in the surface treatment liquid medicine.

6. The additive for improving the bending test reliability of a surface treatment product according to any one of claims 1 to 5, wherein the surface treatment liquid is a nickel plating liquid, the additive is a nickel plating additive, and the surface treatment product is a nickel plating product.

7. The additive for improving the bending test reliability of a surface treatment product according to claim 6, wherein the nickel-plated layer product is a Type-C interface.