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Spray cleaning agent for metal assembly

A metal combination and cleaning agent technology, applied in the field of cleaning agents, can solve the problems of inappropriate degreasing and anti-rust cleaning, easy corrosion of components, affecting processing and quality, etc., to achieve stable and good corrosion inhibition effect, no corrosion spots are produced. , the effect of strong cleaning performance

Active Publication Date: 2014-07-16
AMER TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the differences in components in the assembly, especially the assembly of ferrous and non-ferrous metals such as iron-aluminum, carbon steel-copper, etc., the assembly is prone to corrosion or residual spots after cleaning, which seriously affects its subsequent processing and quality
[0003] At present, the cleaning agents on the market generally have a narrow range of cleaning objects, are prone to corrosion and discoloration after cleaning, have poor cleaning ability, and have a short service life.
Spray cleaning has the disadvantages of multiple bubbles and easy clogging.
For example, patent CN102154655A discloses a normal temperature spray cleaning agent for aluminum alloy and its preparation method, which can effectively avoid the phenomenon of easy rust and discoloration of aluminum alloy parts, but this patented product is not suitable for degreasing and anti-corrosion of ferrous metals and other non-ferrous metals. Rust cleaning, etc.; patent CN101413129A discloses a rust-proof metal cleaning agent, which is suitable for mechanical automatic medium-high pressure spray cleaning and ultrasonic cleaning. Degreasing and antirust cleaning of metals such as copper and aluminum

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] The metal assembly of the present embodiment is sprayed with cleaning agent, and the cleaning agent raw material comprises the following components by weight ratio: polyether carboxylate 5%, carboxylate 5%, block polyether 15%, alcohol ether surfactant 15% %, sodium gluconate 3%, sodium diethylenetriaminepentaacetic acid 0.6%, disodium edetate 0.1%, sodium metasilicate 2%, sodium benzoate 2%, benzotriazole 0.1%, triethanolamine 0.7% , alcohol 2%, glycol ether 2%, and the balance is deionized water to 100%;

[0017] In this embodiment, the polyether carboxylate is the condensation reaction product of ethylene oxide, propylene oxide, carboxylic acid and alcohols; section molecular chain; the carboxylate end is acetate, and the end capping is dodecyl alcohol; Polyether carboxylate is replaced by polyether carboxylate with ethoxy at the end of polyether, acetate at the end of carboxylate, and myristyl alcohol at the end of polyether carboxylate in the same weight ratio, or...

Embodiment 2

[0024] The metal assembly of the present embodiment is sprayed with cleaning agent, and the cleaning agent raw material comprises the following components by weight ratio: polyether carboxylate 3%, carboxylate 3%, block polyether 6%, alcohol ether surfactant 5% %, sodium gluconate 0.5%, sodium diethylenetriaminepentaacetic acid 0.1%, disodium edetate 0.05%, sodium metasilicate 0.5%, sodium benzoate 0.5%, benzotriazole 0.05%, triethanolamine 0.3% , 1% alcohol, 1% glycol ether, and the balance is deionized water to 100%;

[0025] In this embodiment, the polyether carboxylate is a condensation reaction product of ethylene oxide, propylene oxide, carboxylic acid and alcohols. In its molecular structure, the end of polyether is ethoxy and propoxy block molecular chain; the end of carboxylate is acetate, and the end is tetradecyl alcohol. In this example, the polyether carboxylate with ethoxy at the end of the polyether, acetate at the end of the carboxylate, and myristyl alcohol a...

Embodiment 3

[0032] The metal assembly of this embodiment is sprayed with cleaning agent, and the cleaning agent raw material comprises the following components by weight ratio: polyether carboxylate 6%, carboxylate 6%, block polyether 15%, alcohol ether surfactant 15% %, sodium gluconate 5%, sodium diethylenetriaminepentaacetic acid 1%, disodium edetate 0.2%, sodium metasilicate 3%, sodium benzoate 3%, benzotriazole 0.2%, triethanolamine 1% , 3% alcohols, 3% glycol ethers, and the balance is deionized water to 100%;

[0033] In this embodiment, the polyether carboxylate is the condensation reaction product of ethylene oxide, propylene oxide, carboxylic acid and alcohols; Segment molecular chain; the carboxylate end is acetate, and the end capping is cetyl alcohol; The carboxylate is replaced by polyether carboxylate with ethoxy at the end of the polyether, acetate at the end of the carboxylate, and hexadecyl alcohol at the end of the carboxylate, or replaced with Ethoxyl, propoxyl or a ...

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PUM

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Abstract

The invention discloses a spray cleaning agent for a metal assembly. The cleaning agent is prepared from polyether carboxylate, carboxylate, block polyether, an alcohol ether surfactant, sodium gluconate, diethylenetriam inepentaacetate, ethylene diamine tetraacetic acid disodium salt, sodium metasilicate, sodium benzoate, triazole, triethanolamine, alcohols, glycol ether and deionized water. The cleaning agent is applicable to the oil-removing and rust-preventing cleaning of black metals, non-ferrous metals and assemblies formed by the black metals and the non-ferrous metals, has extremely high cleaning performance and a relatively long corrosion inhibition period, cannot cause the change of the color, is environment-friendly and low-foam, does not contain substances such as phosphorus and sodium nitrite, cannot pollute the environment, is particularly applicable to the spray cleaning at normal temperature, and is low in energy consumption in the cleaning process, the residue is avoided, corrosion spots are not generated, and waste liquor of the cleaning agent is can be easily disposed. The corrosion inhibition period of a copper-aluminum assembly exceeds 10 days; the corrosion inhibition period of a brass-cast iron assembly exceeds 7 days; the corrosion inhibition period of an aluminum-cast iron assembly exceeds 7 days; and the corrosion inhibition period of a copper tin-aluminum-low-carbon steel assembly exceeds 10 days.

Description

technical field [0001] The invention relates to a cleaning agent, in particular to a metal assembly spray cleaning agent. Background technique [0002] An assembly mainly refers to a component composed of multiple parts, and the materials, components, and chemical properties of the parts may be the same or completely different. With the development of industry, the application range of assemblies in the manufacturing industry is getting wider and wider, and the cleanliness of their surfaces is getting higher and higher. Due to the differences in components in the assembly, especially the assembly of ferrous and non-ferrous metals such as iron-aluminum, carbon steel-copper, etc., the assembly is prone to corrosion or residual spots after cleaning, which seriously affects its subsequent processing and quality. [0003] Cleaning agents currently on the market generally have a narrow range of cleaning objects, are prone to corrosion and discoloration after cleaning, have poor ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23G1/26
Inventor 张葵涛汪小龙袁清和
Owner AMER TECH CO LTD
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