WO2019006668A1 - Polishing agent, copper part and polishing process therefor - Google Patents

Abstract

A polishing agent, a copper member and a polishing treatment method thereof. The polishing agent is used for surface pretreatment of copper parts, and comprises, by weight of 100 parts by weight, the following components by weight: 2-4 parts of fatty alcohol polyoxyethylene ether, 2-5 parts of 2-mercaptothiazoline, 5-20 parts of ice Acetic acid, 1-3 parts silicone defoamer, 2-10 parts alcohol and balance water. After the above polishing agent treatment, the surface of the copper piece is clean and bright, and the whole polishing treatment method is simple, safe, environmentally friendly, odorless, convenient to operate, and low in use cost.

Description

 Polishing agent, copper piece and polishing treatment method thereof

 [0001] The present invention relates to the field of iron surface treatment technology, and in particular, to a polishing agent, a copper member, and a polishing treatment method thereof.

 Background technique

 [0002] Improve the surface properties or appearance of products, usually on the surface treatment technology of workpieces. For example, the surface treatment of copper, aluminum, iron and alloys goes deep into all industries. Moreover, most workpieces require pre-treatment before surface treatment, for example, cleaning, decontamination and degreasing, and metal workpieces for certain applications need to be polished.

 [0003] Generally in the mechanical processing and electrical and electronic industries, copper and copper alloys are commonly cleaned and polished, that is, polished. Conventional polishing agents generally use mechanical polishing or tri-acid polishing, in which mechanical polishing has a poor polishing effect on the geometry of the workpiece. The triacid in the triacid polishing is concentrated glacial acetic acid, concentrated nitric acid, and concentrated phosphoric acid reacts violently under high temperature conditions. The gas volatilizes a lot, is unsafe and not environmentally friendly, and has a high risk of energy consumption. technical problem

 [0004] In view of the above, a polishing agent which is safe, environmentally friendly, and easy to operate at a normal temperature, and a copper member polishing method and a copper member obtained by polishing are provided.

 Problem solution

 Technical solution

 [0005] A polishing agent comprising, by weight of 100 parts by weight, of the following components: 2-4 parts of a fatty alcohol polyoxyethylene ether, 2-5 parts of 2-mercaptothiazoline, 5-20 parts of glacial acetic acid, 1-3 parts silicone defoamer, 2-10 parts alcohol and balance water.

 [0006] A copper member polishing treatment method comprising the steps of: formulating a polishing agent as described above; dissolving the polishing agent in water to prepare a polishing agent solution, wherein the ratio of the polishing agent to water in the polishing agent solution is 1: 1-2; The copper piece is immersed in the polishing agent solution, and after a predetermined daytime treatment, the copper piece is washed.

 [0007] Also, a copper member whose surface is polished by a copper member polishing treatment method as described above.

Advantageous effects of the invention Beneficial effect

 [0008] After the above polishing agent treatment, the surface of the copper piece is clean and bright, and the whole polishing treatment method is simple, safe, environmentally friendly, odorless, convenient to operate, and low in use cost.

Embodiments of the invention

The present invention will be described in detail below with reference to specific embodiments.

 [0010] Embodiments of the present invention provide a polishing agent for surface pretreatment of copper parts, comprising 100 parts by weight, including the following parts by weight: 2-4 parts of fatty alcohol polyoxyethylene ether, 2-5 parts 2-mercaptothiazoline, 5-20 parts glacial acetic acid, 1-3 parts silicone defoamer, 2-10 parts alcohol and balance water.

 [0011] Specifically, the fatty alcohol polyoxyethylene ether is in an amount of from 2 to 3 parts by weight. The parts by weight of the 2-mercaptothiazoline are preferably 3-4 parts, the parts by weight of the glacial acetic acid are preferably 10-15 parts, and the parts by weight of the silicone antifoaming agent are preferably 1-2 parts. . The amount by weight of the alcohol is preferably 4-8 parts, and the polishing agent is used in a ratio of hydrazine to water of 1 : 1-2.

 [0012] In the above polishing agent, a better polishing effect is achieved by controlling the balance of the respective distribution ratios. Alcohol, fatty alcohol polyoxyethylene ether wets and cleans the workpiece, silicone defoamer is used to remove excess foam, glacial acetic acid, 2-mercaptothiazoline is the main reaction component of polishing, and the workpiece can be evenly polished.

 [0013] Embodiments of the present invention also provide a copper member polishing treatment method, comprising the steps of: formulating a polishing agent as described above; dissolving the polishing agent in water to prepare a polishing agent solution, and polishing the polishing agent in the polishing agent solution The water preparation ratio is 1: 1-2; the copper piece is immersed in the polishing agent solution, and after a predetermined daytime treatment, the copper piece is washed and dried.

 [0014] Specifically, the ratio of the polishing agent to the water in the polishing agent solution is 1 : 1, and the predetermined interval is 1-10 minutes. Further, after polishing, it is passivated, then washed with water and dried. After polishing, the temperature is controlled at 20 ° C - 25 ° C, that is, polishing at room temperature. Further, pretreatment such as degreasing and degreasing is performed before polishing.

 [0015] After the above polishing agent treatment, the surface of the copper piece is clean and bright, and the entire polishing process is simple

, safe and environmentally friendly, odorless, easy to operate, low cost of use.

[0016] Embodiments of the present invention also provide a copper member which is subjected to a polishing treatment by a copper member polishing treatment method as described above to form a copper member to form a clean and bright surface. [0017] Embodiment 1

 [0018] The components are mixed in the following parts by weight (total amount of 100 parts by weight): 2 parts of fatty alcohol polyoxyethylene ether, 2 parts of 2-mercaptothiazoline, 5 parts of glacial acetic acid, 1 part of silicone defoamer, 2 parts alcohol and balance water.

 [0019] Treatment method: preparing a polishing agent; dissolving the polishing agent in water to prepare a polishing agent solution, wherein the ratio of the polishing agent to the water in the polishing agent solution is 1:1; the copper piece should be degreased and descaled first. Then, it was washed with water, and then the treated copper piece was immersed in the polishing agent solution, and after shaking for 10 minutes by the vibration machine, the copper piece was washed, then passivated, washed with water, and dried.

 [0020] After the above polishing agent solution is treated, the surface of the workpiece is observed, the entire surface is clean and bright, the color is uniform, and the brightness is increased by more than 15% than before polishing.

Embodiment 2

 [0022] The components are mixed in the following parts by weight (total amount of 100 parts by weight): 3 parts of fatty alcohol polyoxyethylene ether, 3 parts of 2-mercaptothiazoline, 10 parts of glacial acetic acid, 2 parts of silicone antifoaming agent, 5 servings of alcohol and the balance of water.

 [0023] Treatment method: preparing a polishing agent; dissolving the polishing agent in water to prepare a polishing agent solution, wherein the ratio of the polishing agent to the water in the polishing agent solution is 1:1; the copper piece should be degreased and descaled first. Then, it was washed with water, and then the treated copper piece was immersed in the polishing agent solution, and after shaking for 5 minutes by the vibration machine, the copper piece was washed, then passivated, washed with water, and dried.

 [0024] After the above polishing agent solution treatment, the surface of the workpiece is observed, the entire surface is clean and bright, the color is uniform, and the brightness is increased by more than 30% than before polishing.

Embodiment 3

 [0026] The ingredients were mixed in the following parts by weight (total amount of 100 parts by weight): 3.5 parts of fatty alcohol polyoxyethylene ether

 4 parts of 2-mercaptothiazoline, 15 parts of glacial acetic acid, 2 parts of silicone defoamer, 7 parts of alcohol and the balance of water.

 [0027] Processing method: preparing a polishing agent; dissolving the polishing agent in water to prepare a polishing agent solution, wherein the ratio of the polishing agent to the water in the polishing agent solution is 1:1; the copper piece should be degreased and descaled first. Then, it was washed with water, and then the treated copper piece was immersed in the polishing agent solution, and after shaking for 5 minutes by the vibration machine, the copper piece was washed, then passivated, washed with water, and dried.

 [0028] After the above polishing agent solution treatment, the surface of the workpiece is observed, the entire surface is clean and bright, the color is uniform, and the brightness is increased by more than 35% than before polishing.

[0029] Example 4 [0030] The ingredients are mixed in the following parts by weight (total 100 parts by weight): 4 parts of fatty alcohol polyoxyethylene ether, 5 parts of 2-mercaptothiazoline, 20 parts of glacial acetic acid, 3 parts of silicone antifoaming agent, 10 parts of alcohol and the balance of water.

 [0031] Processing method: preparing a polishing agent; dissolving the polishing agent in water to prepare a polishing agent solution, wherein the ratio of the polishing agent to the water in the polishing agent solution is 1:1; the copper piece should be degreased and descaled first. Then, it was washed with water, and then the treated copper piece was immersed in the polishing agent solution, and after shaking for 5 minutes by the vibration machine, the copper piece was washed, then passivated, washed with water, and dried.

 [0032] After the above polishing agent solution treatment, the surface of the workpiece is observed, the entire surface is clean and bright, the color is uniform, and the brightness is increased by more than 35% than before polishing.

[0033] It should be noted that the present invention is not limited to the above embodiments, and other changes may be made by those skilled in the art according to the inventive spirit of the present invention, and the changes according to the inventive spirit of the present invention should be It is intended to be included within the scope of the invention as claimed.

Claims

Claim  [Claim 1] A polishing agent comprising, by weight of 100 parts by weight, of the following components: 2-4 parts of a fatty alcohol polyoxyethylene ether, 2-5 parts of 2-mercaptothiazoline, 5 -20 parts glacial acetic acid, 1-3 parts silicone defoamer, 2-10 parts alcohol and balance water.  [Claim 2] The polishing agent according to claim 1, wherein the fatty alcohol polyoxyethylene ether is in an amount of from 2 to 3 parts by weight. [Claim 3] The polishing agent according to claim 1, wherein the 2-mercaptothiazoline has a weight fraction of 3-4 parts. [Claim 4] The polishing agent according to claim 1, wherein the glacial acetic acid is 1 part by weight  0-15 servings. [Claim 5] The polishing agent according to claim 1, wherein the silicone antifoaming agent has a weight of from 1 to 2 parts. [Claim 6] The polishing agent according to claim 1, wherein the alcohol is 4-8 parts by weight. [Claim 7] The polishing agent according to claim 1, wherein the polishing agent is used in a ratio of hydrazine to water of 1 : 1-2. [Claim 8] A copper member polishing treatment method comprising the steps of: formulating the polishing agent according to any one of claims 1 to 6; dissolving the polishing agent in water to prepare a polishing agent solution, in the polishing agent solution The ratio of the polishing agent to the water is 1: 1-2; the copper piece is immersed in the polishing agent solution, and the vibration is continuously vibrated. After the predetermined daytime treatment, the copper piece is washed and the next process is performed. [Claim 9] The method for polishing a copper member according to claim 7, wherein after polishing, passivation, and then washing and drying, the ratio of the polishing agent to water in the polishing solution is 1:1. -2, the predetermined time is 1-10 minutes.  [Claim 10] A copper member, characterized in that the surface of the copper member is polished by the copper member polishing treatment method according to claim 8.