阅读说明：本技术 一种用于清洗铜板带的高效脱脂剂 (Efficient degreasing agent for cleaning copper plate strip ) 是由 赵健 于占龙 曾丽卿 张玉成 鲁浩 徐先锋 许铮喆 田超强 高飞 于 2020-05-22 设计创作，主要内容包括：本发明涉及一种用于清洗铜板带的高效脱脂剂及其制备方法,应用于金属表面处理技术领域,由以下各组分组成,其化学成分质量百分比为：直链烷基苯磺酸钠1.0-6.0％、脂肪醇聚氧乙烯醚0.1-1.0％、碳酸钠0.5-1.0％、硅酸钠0.5-2.0％、去离子水91.5％-97.6％。本发明的高效脱脂剂采用直链烷基苯磺酸钠和脂肪醇聚氧乙烯醚进行复配,用以提高直链烷基苯磺酸钠与脂肪醇聚氧乙烯醚的活性,降低体系的表面张力以及促进胶束化,使铜板带表面容易润湿,同时,使得表面活性剂的渗透力变强,使油污的乳化、分散和增溶变得更加容易,具有很好的推广价值。(The invention relates to a high-efficiency degreasing agent for cleaning a copper plate strip and a preparation method thereof, which are applied to the technical field of metal surface treatment and comprise the following components in percentage by mass: 1.0-6.0% of linear alkyl benzene sodium sulfonate, 0.1-1.0% of fatty alcohol-polyoxyethylene ether, 0.5-1.0% of sodium carbonate, 0.5-2.0% of sodium silicate and 91.5-97.6% of deionized water. The high-efficiency degreasing agent is prepared by compounding the linear alkyl benzene sodium sulfonate and the fatty alcohol-polyoxyethylene ether, so that the activity of the linear alkyl benzene sodium sulfonate and the fatty alcohol-polyoxyethylene ether is improved, the surface tension of a system is reduced, the micellization is promoted, the surface of the copper plate strip is easy to wet, meanwhile, the permeability of the surfactant is enhanced, the emulsification, dispersion and solubilization of oil stains are easier, and the high-efficiency degreasing agent has good popularization value.)

1. The high-efficiency degreasing agent for cleaning the copper plate strip is characterized by comprising the following components in parts by weight: the paint consists of the following components in percentage by mass:

1.0-6.0% of linear alkyl benzene sodium sulfonate, 0.1-1.0% of fatty alcohol-polyoxyethylene ether, 0.5-1.0% of sodium carbonate, 0.5-2.0% of sodium silicate and 91.5-97.6% of deionized water;

the specific preparation method of the high-efficiency degreasing agent comprises the following steps:

(1) weighing raw materials of each component according to a formula;

(2) dissolving the fatty alcohol-polyoxyethylene ether weighed in the step (1) in deionized water at 40 ℃, and stirring at room temperature;

(3) and (3) sequentially adding the sodium directly-connected alkylbenzene sulfonate, sodium carbonate and sodium silicate weighed in the step (1) into the step (2), and stirring for 30 minutes at room temperature to obtain the sodium sulfoaluminate.

2. The high-efficiency degreasing agent for cleaning copper strips as claimed in claim 1, wherein the high-efficiency degreasing agent comprises: the mass ratio of the linear alkyl benzene sodium sulfonate to the fatty alcohol-polyoxyethylene ether is 1-10: 1.

3. The high-efficiency degreasing agent for cleaning copper strips as claimed in claim 1, wherein the high-efficiency degreasing agent comprises: the paint consists of the following components in percentage by mass:

1.0% of linear alkyl benzene sodium sulfonate, 0.1% of fatty alcohol-polyoxyethylene ether, 0.6% of sodium carbonate, 0.7% of sodium silicate and 97.6% of deionized water.

4. The high-efficiency degreasing agent for cleaning copper strips as claimed in claim 1, wherein the high-efficiency degreasing agent comprises: the paint consists of the following components in percentage by mass:

2.0% of linear alkyl benzene sodium sulfonate, 0.3% of fatty alcohol-polyoxyethylene ether, 0.7% of sodium carbonate, 1.1% of sodium silicate and 95.9% of deionized water.

5. The high-efficiency degreasing agent for cleaning copper strips as claimed in claim 1, wherein the high-efficiency degreasing agent comprises: the paint consists of the following components in percentage by mass:

4.0% of linear alkyl benzene sodium sulfonate, 0.6% of fatty alcohol-polyoxyethylene ether, 1.0% of sodium carbonate, 0.6% of sodium silicate and 93.8% of deionized water.

6. The high-efficiency degreasing agent for cleaning copper strips as claimed in claim 1, wherein the high-efficiency degreasing agent comprises: the paint consists of the following components in percentage by mass:

5.0% of linear alkyl benzene sodium sulfonate, 1.0% of fatty alcohol-polyoxyethylene ether, 0.5% of sodium carbonate, 2.0% of sodium silicate and 91.5% of deionized water.

7. The high-efficiency degreasing agent for cleaning copper strips as claimed in claim 1, wherein the high-efficiency degreasing agent comprises: the paint consists of the following components in percentage by mass:

6.0% of linear alkyl benzene sodium sulfonate, 0.8% of fatty alcohol-polyoxyethylene ether, 0.9% of sodium carbonate, 0.5% of sodium silicate and 91.8% of deionized water.

Technical Field

The invention relates to the technical field of metal surface treatment, in particular to a high-efficiency degreasing agent for cleaning a copper plate strip.

Background

The traditional degreasing agent generally needs to be degreased and cleaned at a temperature higher than room temperature, has poor metal protection, weak anti-corrosion and anti-rust capacity, high economic cost and certain pollution to the environment; the degreasing method commonly used at present comprises the following steps: the degreasing method comprises the following steps of organic solvent degreasing, chemical degreasing and emulsion degreasing, wherein the organic solvent degreasing is high in degreasing speed, can generally dissolve various grease, is low in corrosivity on copper strips, but is low in degreasing rate, and most of organic solvents are inflammable and explosive, high in toxicity and high in cost, and are generally suitable for being used under the condition of severe oil stains;

the main components of the chemical degreasing agent are alkaline substances such as sodium hydroxide, sodium carbonate, sodium phosphate and the like, a small amount of auxiliary agents, surfactants and the like are added, the degreasing effect is good, the cost is low, but the method has certain limitation, is only suitable for metals with strong alkali resistance, and copper with weak alkali resistance is easily corroded by strong alkali and is not suitable for the method;

the degreasing method has wide application range, has better degreasing effect on animal and vegetable oil and mineral oil, and is particularly suitable for degreasing of metal materials which are easy to corrode, such as aluminum and the like, because the degreasing solution is not very high in alkalinity.

At present, a large number of metal degreasing agents on the market are all organic solvent degreasing or chemical degreasing, for example, patent with publication number of CN109972153A discloses a degreasing agent for cleaning the surface of a steel plate, which comprises 8-15% of potassium hydroxide, 4-10% of modified sodium disilicate, 2-8% of tetrasodium ethylenediamine tetraacetate, 2-6% of dodecyl glucoside-tetradecyl glucoside, 1-5% of methyl allyl alcohol polyoxyethylene ether and the balance of deionized water.

Therefore, it is necessary to design an emulsified degreasing agent suitable for copper strips with weak alkali resistance to solve the above technical problems.

Disclosure of Invention

The invention provides a high-efficiency degreasing agent for cleaning a copper plate strip, which is suitable for alkali-resistant metals, particularly suitable for cleaning the surface of the copper plate strip, and aims to solve the problems of high alkalinity, high corrosivity and the like of the degreasing agent in the prior art.

The invention relates to a high-efficiency degreasing agent for cleaning a copper plate strip, which comprises the following components in percentage by mass:

1.0-6.0% of linear alkyl benzene sodium sulfonate, 0.1-1.0% of fatty alcohol-polyoxyethylene ether, 0.5-1.0% of sodium carbonate, 0.5-2.0% of sodium silicate and 91.5-97.6% of deionized water;

the invention also provides a specific preparation method of the high-efficiency degreasing agent, which comprises the following steps:

(1) weighing raw materials of each component according to a formula;

(2) dissolving the fatty alcohol-polyoxyethylene ether weighed in the step (1) in deionized water at 40 ℃, and stirring at room temperature;

(3) and (3) sequentially adding the sodium directly-connected alkylbenzene sulfonate, sodium carbonate and sodium silicate weighed in the step (1) into the step (2), and stirring for 30 minutes at room temperature to obtain the sodium sulfoaluminate.

In some embodiments of the present invention, the mass ratio of the linear alkylbenzene sulfonate to the fatty alcohol-polyoxyethylene ether is 1-10: 1.

In certain embodiments of the present invention, the composition comprises the following components, by mass:

1.0% of linear alkyl benzene sodium sulfonate, 0.1% of fatty alcohol-polyoxyethylene ether, 0.6% of sodium carbonate, 0.7% of sodium silicate and 97.6% of deionized water.

In certain embodiments of the present invention, the composition comprises the following components, by mass:

2.0% of linear alkyl benzene sodium sulfonate, 0.3% of fatty alcohol-polyoxyethylene ether, 0.7% of sodium carbonate, 1.1% of sodium silicate and 95.9% of deionized water.

In certain embodiments of the present invention, the composition comprises the following components, by mass:

4.0% of linear alkyl benzene sodium sulfonate, 0.6% of fatty alcohol-polyoxyethylene ether, 1.0% of sodium carbonate, 0.6% of sodium silicate and 93.8% of deionized water.

In certain embodiments of the present invention, the composition comprises the following components, by mass:

5.0% of linear alkyl benzene sodium sulfonate, 1.0% of fatty alcohol-polyoxyethylene ether, 0.5% of sodium carbonate, 2.0% of sodium silicate and 91.5% of deionized water.

In certain embodiments of the present invention, the composition comprises the following components, by mass:

linear alkyl benzene sodium sulfonate 6.0%, fatty alcohol polyoxyethylene ether 0.8%, sodium carbonate 0.9%, sodium silicate 0.5%, and deionized water 91.8%

Compared with the prior art, the invention has the following advantages:

1. the degreasing rate is high, the alkalinity is low, and the copper plate strip has extremely low corrosivity;

2. the preparation process is simple, the degreasing process temperature requirement is low, and the method is particularly suitable for the copper plate strip which is not alkali-resistant;

3. the formula is green and environment-friendly, and the emission is not limited.

Detailed Description

The technical solutions of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The efficient environment-friendly water-based metal degreasing agent is particularly suitable for metals which are not alkali-resistant, and is particularly suitable for cleaning the surface of metal aluminum.