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A kind of biodegradable water-based metal cleaning agent and its preparation method and application

A metal cleaning agent, biodegradable technology, applied in the field of mechanical industry cleaning agents, can solve the problems of metal surface damage, poor anti-rust effect, long cleaning time, etc., to achieve improved oil removal performance, outstanding solubilization effect, and water-soluble speed fast effect

Active Publication Date: 2019-11-08
中轻日化科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the metal cleaning agents widely used in the market are alkaline or acidic water-based cleaning agents, solvent-based cleaning agents, or organic cleaning agents based on mixed hydrocarbons such as gasoline and kerosene. The existence of chemical components will not only damage the metal surface. cause certain damage, and also cause certain harm to the environment
At the same time, there are also defects such as long cleaning time, poor anti-rust effect, high cost, and not easy to degrade

Method used

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  • A kind of biodegradable water-based metal cleaning agent and its preparation method and application
  • A kind of biodegradable water-based metal cleaning agent and its preparation method and application
  • A kind of biodegradable water-based metal cleaning agent and its preparation method and application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] A kind of biodegradable water-based metal cleaning agent is made of the components in parts by weight in table 1:

[0039] Table 1

[0040] name parts by weight Methyl palmitate ethoxylate FMEE-P-6805 5 Soybean Oil Ethoxylate NOE-S-42 20 Sodium fatty alcohol polyoxyethylene ether sulfate AES 10 Isomerized Alcohol Polyoxyethylene Ether C1009 3 Phosphite 1 Sodium carbonate 3 EDTA disodium salt 5 Isopropanol 10 distilled water 43

[0041] A preparation method of a biodegradable water-based metal cleaning agent comprises the following steps:

[0042] First weigh 43 parts of distilled water and put them into the production device, start stirring, add 3 parts of builder sodium carbonate under slow stirring, and raise the temperature to 40°C, and stir until the sodium carbonate is completely dissolved. Continue to add 5 parts of methyl palmitate ethoxylate FMEE-P-6805, 20 parts of soybean oil ethoxylate NOE-...

Embodiment 2

[0044] A kind of biodegradable water-based metal cleaning agent is made of the components in parts by weight in table 2:

[0045] Table 2

[0046] name parts by weight Soybean oil methyl ester ethoxylate FMEE-S-2408 20 Coconut Oil Ethoxylate NOE-C-75 3 Sodium fatty alcohol polyoxyethylene ether sulfate AES 3 Isomerized Alcohol Polyoxyethylene Ether C1305 5 Triethanolamine 1.5 sodium hydroxide 5 sodium oxalate 1 Propylene glycol butyl ether 4 distilled water 57.5

[0047] A preparation method of a biodegradable water-based metal cleaning agent comprises the following steps:

[0048] First weigh 57.5 parts of distilled water and put it into the production device, start the stirring, add 5 parts of builder sodium hydroxide under the condition of slow stirring, and raise the temperature to 40°C, and stir until the sodium hydroxide is completely dissolved. Continue to add 20 parts of soybean oil methyl ester etho...

Embodiment 3

[0050] A kind of biodegradable water-based metal cleaning agent is made of the components in parts by weight in table 3:

[0051] table 3

[0052]

[0053]

[0054] A preparation method of a biodegradable water-based metal cleaning agent comprises the following steps:

[0055]First weigh 56 parts of distilled water into the production device, start stirring, add 10 parts of coconut oil methyl ester ethoxylate FMEE-C-2410, 10 parts of palm oil ethoxylate NOE-P-15, 6 parts of natural fat Alcohol polyoxyethylene ether sodium sulfate AES, 8 parts of isomeric alcohol polyoxyethylene ether C1307, stirring at constant temperature until all surfactants are completely dissolved. Continue to add 2 parts of complexing agent sodium citrate, stir well, make it dissolve, stir and mix evenly. Continue to add 3 parts of anti-rust and corrosion inhibitor benzotriazole, stir well, wait until all components are completely mixed and cool down to room temperature, add 5 parts of co-solvent...

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Abstract

The invention discloses a biodegradable water-based type metal cleaner which is prepared from the following components in parts by weight: 4 to 60 parts of surface active agent, 0.1 to 5 parts of rust-proof corrosion inhibitor, 0.1 to 5 parts of complexing agent, 0 to 10 parts of detergent assistant, 0 to 10 parts of cosolvent, and 30 to 85 parts of water. The surface active agent is prepared fromthe following components in parts by weight: 1 to 20 parts of fatty acid methyl ester ethoxylates, 1 to 20 parts of grease ethoxylate, 1 to 10 parts of natural fatty alcohol polyoxyethylene ether sodium sulfate, and 1 to 10 parts of alcohol alkoxylate. Compared with a conventional surface active agent, the biodegradable water-based type metal cleaner provided by the invention is easy to biodegradable, has high permeability and cleaning capacity, has an outstanding solubilization effect on oily dirt, has high degreasing efficiency on metal without corroding the metal surface, has excellent biodegradability, and is capable of effectively reducing the pollution of degreaser waste water on the environment.

Description

technical field [0001] The invention relates to the technical field of mechanical industry cleaning agents, in particular to a biodegradable water-based metal cleaning agent and its preparation method and application. Background technique [0002] Metal cleaning is an essential process link in the process of processing, assembling, storing and repairing metal parts. The largest application fields are steel and automobile industry. At present, the metal cleaning agents widely used in the market are alkaline or acidic water-based cleaning agents, solvent-based cleaning agents, or organic cleaning agents based on mixed hydrocarbons such as gasoline and kerosene. The existence of chemical components will not only damage the metal surface. It will cause certain damage and also cause certain harm to the environment. At the same time, there are also defects such as long cleaning time, poor anti-rust effect, high cost, and difficult degradation. [0003] Therefore, it is urgent to...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23G1/19C23G1/18
CPCC23G1/18C23G1/19
Inventor 武俊丽孙永强杨卉艳温朋鹏滕晓光
Owner 中轻日化科技有限公司
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