阅读说明：本技术 一种黑色金属的低温超声波清洗剂及其制备方法 (Low-temperature ultrasonic cleaning agent for ferrous metal and preparation method thereof ) 是由 丁佳 姚婷 张露露 朱涛 于 2020-12-23 设计创作，主要内容包括：本发明公开了一种黑色金属的低温超声波清洗剂及其制备方法,属于超声波清洗剂技术领域,S1：在干净的容器中加入部分水、螯合剂、防锈剂进行低速搅拌直至液体溶解；S2：向容器中添加碱性清洗助剂,持续搅拌容器中的液体；S3：向容器中添加余量的水、碳酸盐、表面活性剂、联泓新材料TIE406、OP-10、巴斯夫TO-7和增溶剂,低速搅拌所述容器中的溶液直至溶液呈透明淡黄色均匀液体形成成品,本发明的清洗剂中,以非离子表面活性剂、防锈剂、螯合剂和碱性清洗助剂为主体,再加以无机盐、增溶剂和表面活性剂所组成的混合物,此清洗剂使用安全,对环境和人体友好,稳定性好,清洗后无生锈变色现象,可在中低温度范围内使用。(The invention discloses a low-temperature ultrasonic cleaning agent for ferrous metal and a preparation method thereof, belonging to the technical field of ultrasonic cleaning agents, and comprising the following steps of S1: adding part of water, a chelating agent and an antirust agent into a clean container, and stirring at a low speed until the liquid is dissolved; s2: adding an alkaline cleaning aid to the vessel and continuously stirring the liquid in the vessel; s3: the cleaning agent is characterized in that water, carbonate, a surfactant, a novel biont material TIE406, OP-10, Pasteur TO-7 and a solubilizer are added into a container in balance, and the solution in the container is stirred at a low speed until the solution is transparent light yellow uniform liquid TO form a finished product.)

1. A low-temperature ultrasonic cleaning agent for ferrous metal comprises the following components:

2. the low-temperature ultrasonic cleaner for ferrous metals as claimed in claim 1, wherein the chelating agent comprises sodium gluconate and citric acid, wherein the weight percentage of sodium gluconate is 0.5-1.5%, and the weight percentage of citric acid is 0.5-2%.

3. The low-temperature ultrasonic cleaner for ferrous metals as claimed in claim 1, wherein the rust inhibitor comprises boric acid and Corfree M1, wherein the boric acid is 2-5% by weight, and the Corfree M1 is 2-5% by weight.

4. The low-temperature ultrasonic cleaner for ferrous metals as claimed in claim 1, wherein the alkaline cleaning assistant is triethanolamine.

5. The low-temperature ultrasonic cleaning agent for ferrous metals as claimed in claim 1, wherein the carbonate comprises sodium bicarbonate and potassium carbonate, wherein the weight percentage of sodium bicarbonate is 1-5%, and the weight percentage of potassium carbonate is 2.5-5.5%.

6. The low-temperature ultrasonic cleaner for ferrous metals as claimed in claim 1, wherein the surfactant is saso EN 90.

7. The cryogenic ultrasonic cleaner for ferrous metal as claimed in claim 1, wherein the solubilizer is HY-5 in the field.

8. A preparation method of a low-temperature ultrasonic cleaning agent for ferrous metal comprises the following steps:

s1: adding part of water, chelating agent and antirust agent according to the proportion of claim 1 into a clean container, and stirring at low speed until the liquid is dissolved;

s2: adding an alkaline cleaning aid to the vessel in accordance with the ratio of claim 1, continuously agitating the liquid in the vessel;

s3: adding the balance of water, carbonate, surfactant, and body-linking new material TIE406, OP-10, Bassfot-7 and solubilizer TO the container according TO the proportion of claim 1, and stirring the solution in the container at low speed until the solution is transparent yellowish uniform liquid TO form the final product, wherein the final product is not layered at 5-50 deg.C.

Technical Field

The invention belongs to the technical field of ultrasonic cleaning agents, and particularly relates to a low-temperature ultrasonic cleaning agent for ferrous metal and a preparation method thereof.

Background

Ferrous metal mainly refers to iron and its alloys, such as steel, pig iron, ferroalloy, cast iron, etc., generally, a cleaning agent is needed to be used for cleaning the ferrous metal surface in cooperation with an ultrasonic cleaning machine, and the purpose of cleaning the metal surface is to remove grease on the metal surface and provide a clean metal surface for electroplating, coating and other metal protection treatment.

The cleaning agent in the existing market can be divided into a water-based cleaning agent and a solvent cleaning agent, wherein the water-based metal cleaning agent is the main development direction of metal cleaning, can not only eliminate greasy dirt on the surface of metal, but also clean dirt such as hand sweat, inorganic salt and the like, and in addition, the cleaning agent is nonflammable, nontoxic and safe to use, and is suitable for spray cleaning, ultrasonic cleaning and soaking and heating cleaning. The water-based cleaning agent mainly comprising the surfactant overcomes the defects of the cleaning agent mainly comprising acid and alkali, such as large smell, much residue, workpiece oxidation and the like.

However, the existing metal water-based cleaning agent is prepared by taking water as a carrier and using a surfactant, a cleaning assistant, an antirust agent, a corrosion inhibitor, a defoaming agent and a bactericide, and because part of additives slightly change, the prepared cleaning performance has great difference and great cost change can be brought, and the existing metal water-based cleaning agent generally has the following problems:

(1) the product is unstable and easy to layer, and the medium-low temperature cleaning capacity is insufficient;

(2) the corrosion to ferrous metal to a certain degree affects the quality and the aesthetic degree of the workpiece;

(3) the water-based cleaning agent taking strong acid and strong base as main components causes damage to human health and environment, and the treatment cost of cleaning waste liquid is high;

(4) the metal workpiece cleaned by the water-based cleaning agent with the surfactant as the main component still has the oxidation problem, and the metal surface is easy to rust and has whitish marks.

Disclosure of Invention

The invention aims to: the low-temperature ultrasonic cleaning agent for the ferrous metal and the preparation method thereof are provided for solving the problems that the existing water-based cleaning agent is unstable, has insufficient cleaning capability at medium and low temperature, has corrosion effect on the ferrous metal, is easy to rust after being cleaned and has harm to human bodies and the environment.

In order to achieve the purpose, the invention adopts the following technical scheme: 1. a low-temperature ultrasonic cleaning agent for ferrous metal comprises the following components:

as a further description of the above technical solution:

the chelating agent comprises sodium gluconate and citric acid, wherein the weight percentage of the sodium gluconate is 0.5-1.5%, and the weight percentage of the citric acid is 0.5-2%.

As a further description of the above technical solution:

the antirust agent comprises boric acid and mixed dibasic acid Corfree M1, wherein the boric acid accounts for 2-5% by weight, and the mixed dibasic acid Corfree M1 accounts for 2-5% by weight.

As a further description of the above technical solution:

the alkaline cleaning auxiliary agent is triethanolamine.

As a further description of the above technical solution:

the carbonate comprises sodium bicarbonate and potassium carbonate, wherein the weight percentage of the sodium bicarbonate is 1-5%, and the weight percentage of the potassium carbonate is 2.5-5.5%.

As a further description of the above technical solution:

the surfactant is sasol EN 90.

As a further description of the above technical solution:

the solubilizer is HY-5 in the field chemical industry.

On the other hand, the invention provides a preparation method of a ferrous metal low-temperature ultrasonic cleaning agent, which comprises the following steps:

s1: adding part of water, chelating agent and antirust agent according to the proportion of claim 1 into a clean container, and stirring at low speed until the liquid is dissolved;

s2: adding an alkaline cleaning aid to the vessel in accordance with the ratio of claim 1, continuously agitating the liquid in the vessel;

s3: adding the balance of water, carbonate, surfactant, and body-linking new material TIE406, OP-10, Bassfot-7 and solubilizer TO the container according TO the proportion of claim 1, and stirring the solution in the container at low speed until the solution is transparent yellowish uniform liquid TO form the final product, wherein the final product is not layered at 5-50 deg.C.

In summary, due to the adoption of the technical scheme, the invention has the beneficial effects that:

1. in the invention, the saso EN90 is used as a surfactant, the surfactant is a narrow-distribution nonionic surfactant, the wetting and dispersing capacity is stronger, the solidifying point is lower, the surface activity is high, hard water resistance and electrolyte resistance are outstanding, the stability is good, the biodegradation is easy, and the environment is friendly.

2. According to the invention, sodium gluconate and citric acid are adopted to soften water with chelating ions, and are matched with a surfactant to improve the effect of cleaning power, and meanwhile, chelating agent molecules are strongly combined with metal ions to improve the stability of the cleaning agent.

3. In the invention, triethanolamine is used as an alkaline cleaning assistant for preparing the cleaning agent, so that an alkaline environment is provided, the emulsification and rust prevention functions of the cleaning agent are improved, the cleaning capability is good, and foams are easy to generate.

Detailed Description

The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all 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 invention provides a technical scheme that: a low-temperature ultrasonic cleaning agent for ferrous metal comprises the following components:

the invention provides a technical scheme that: a low-temperature ultrasonic cleaner for ferrous metal is prepared from the complex of non-ionic surfactant, sodium gluconate and citric acid as chelating agent, triethanolamine as alkaline cleaning assistant, boric acid, and the antirusting agent (Corfree M1) and solubilizer, the cleaning mechanism is that the adhesive force of the oil stain on the metal surface is weakened by the wetting, penetrating, emulsifying, solubilizing, dispersing and other actions of the surfactant, and then the ultrasonic cleaner is applied for matching to separate the oil stain from the metal surface, and the oil stain enters the cleaning solution to be emulsified and dispersed, so the cleaning agent is safe to use, the cleaning agent is friendly to the environment and human health, mild in smell, free of skin irritation, free of rusting and discoloration after cleaning, resistant to acid and alkali environment, free of layering, stable in finished product, hard water resistant, free of influence on cleaning effect, and capable of being used in a medium and low temperature range; the cleaning agent adopts boric acid and mixed dibasic acid CorfreeM1 as an antirust agent and carbonate for rust prevention, so that the cleaning agent is good in rust prevention, high in stability and low in cost, avoids the influence on workpiece precision caused by oxidation of ferrous metal, simultaneously adopts triethanolamine as an alkaline cleaning auxiliary agent to provide an alkaline environment for rust removal and emulsification, and ensures the rust removal and emulsification functions of the cleaning agent.

The chelating agent comprises sodium gluconate and citric acid, wherein the weight percentage of the sodium gluconate is 0.5-1.5%, and the weight percentage of the citric acid is 0.5-2%; through strong combination with metal ions, the metal ions are included in the chelating agent, so that the stability of the cleaning agent is ensured.

The antirust agent comprises boric acid and mixed dibasic acid Corfree M1, wherein the boric acid accounts for 2-5 wt%, and the mixed dibasic acid Corfree M1 accounts for 2-5 wt%; the combination of the antirust agent of boric acid and mixed dibasic acid Corfree M1 and carbonate not only has good antirust effect, but also has stable cleaning agent system.

The alkaline cleaning auxiliary agent is triethanolamine; provides alkaline environment for preparing the cleaning agent, improves the emulsification and antirust functions of the cleaning agent, has good cleaning capability and is easy to generate foam.

The carbonate comprises sodium bicarbonate and potassium carbonate, wherein the weight percentage of the sodium bicarbonate is 1-5%, and the weight percentage of the potassium carbonate is 2.5-5.5%;

the surfactant is sasol EN 90; the surfactant is a narrow-distribution nonionic surfactant, has stronger wetting and dispersing capacities, lower freezing point, high surface activity, hard water resistance, electrolyte resistance, good stability, easy biodegradation and environmental friendliness.

The solubilizer is HY-5 in the field chemical industry; the solubility and the dissolving efficiency of chemical substances for preparing the cleaning agent are improved.

On the other hand, the invention provides a preparation method of a low-temperature ultrasonic cleaning agent for ferrous metal, which comprises the following steps:

s1: adding part of water, chelating agent and antirust agent according to the proportion of claim 1 into a clean container, and stirring at low speed until the liquid is dissolved;

s2: adding an alkaline cleaning assistant into the container according to the proportion of the embodiment, and continuously stirring the liquid in the container;

s3: the balance of water, carbonate, surfactant, and body-linking new material TIE406, OP-10, Basff TO-7 and solubilizer are added into the container according TO the proportion of the above embodiment, the solution in the container is stirred at low speed until the solution is transparent yellowish uniform liquid TO form a finished product, and the finished product is not layered at 5-50 ℃.

The working principle is as follows: the low-temperature ultrasonic pen cleaning agent for ferrous metals is a mixture mainly composed of a nonionic surfactant, a complex of sodium gluconate and citric acid as chelating agents, triethanolamine as an alkaline cleaning aid and the like, and a rust inhibitor and a solubilizer such as boric acid and mixed dibasic acid Corfree M1 and the like, the cleaning mechanism is that the adhesive force of the oil stain on the metal surface is weakened by the wetting, penetrating, emulsifying, solubilizing, dispersing and other actions of the surfactant, and then the ultrasonic cleaner is applied for matching to separate the oil stain from the metal surface, and the oil stain enters the cleaning solution to be emulsified and dispersed, so the cleaning agent is safe to use, the cleaning agent is friendly to the environment and human health, mild in smell, free of skin irritation, free of rusting and discoloration after cleaning, resistant to acid and alkali environment, free of layering, stable in finished product, hard water resistant, free of influence on cleaning effect, and capable of being used in a medium and low temperature range; the cleaning agent adopts boric acid and mixed diacid Corfree M1 as an antirust agent and carbonate for rust prevention, has good rust prevention, high stability and low cost, avoids the influence on workpiece precision caused by oxidation of ferrous metal, simultaneously adopts triethanolamine as an alkaline cleaning auxiliary agent to provide an alkaline environment for rust removal and emulsification, ensures the rust removal and emulsification functions of the cleaning agent, and in addition, the preparation of the cleaning agent adopts the sand rope EN90 as a surfactant, has stronger wetting and dispersing capacity, lower solidifying point, high surface activity, hard water resistance and electrolyte resistance, good stability, easy biodegradation and good environmental protection.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.