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Cleaning agent for condenser and radiator of automobile air conditioner as well as preparation method and application of cleaning agent

A technology for automobile air conditioners and cleaning agents, applied in the field of cleaning agents, can solve problems such as cleaning pollution, and achieve the effects of enhancing anti-corrosion ability, super fast-drying ability, and ultra-clean cleaning ability

Pending Publication Date: 2022-04-08
张家港迪克汽车化学品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to overcome the existing problems in the prior art, such as high toxicity, residue, insufficient anti-corrosion performance, occupational diseases caused by long-term use, and long-term storage after cleaning, which may easily lead to crevice corrosion. , intergranular corrosion and other unexpected safety issues, the present invention provides a car air conditioner cleaning agent and its preparation method and application. Cleaning and pollution of radiators and radiators during the manufacturing process. At the same time, the cleaned automotive air-conditioning radiators and condensers can be placed for a long time without causing safety hazards, and will not cause any discomfort to drivers and passengers during subsequent use.

Method used

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  • Cleaning agent for condenser and radiator of automobile air conditioner as well as preparation method and application of cleaning agent
  • Cleaning agent for condenser and radiator of automobile air conditioner as well as preparation method and application of cleaning agent
  • Cleaning agent for condenser and radiator of automobile air conditioner as well as preparation method and application of cleaning agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment approach

[0052] According to a particularly preferred embodiment of the present invention, the composition contains the following components by weight:

[0053] Ethanol: 30-40 parts by weight;

[0054] Polyol: 0.2-0.4 parts by weight;

[0055] 0.1-0.2 parts by weight of composite surfactant;

[0056] Tolyl benzotriazole: 0.1-0.3 parts by weight;

[0057] 6-amino-2-mercaptobenzothiazole: 0.1-0.3 parts by weight

[0058] Triethanolamine phosphate composition: 0.4-0.6 parts by weight;

[0059] Oleic acid or oleate: 0.1-0.3 parts by weight;

[0060] Benzoic acid or benzoate: 0.7-0.9 parts by weight;

[0061] Citric acid or citrate: 0.1-0.3 parts by weight;

[0062] Bactericide: 0.1-0.3 parts by weight;

[0063] Benzyl ammonium benzoate amide: 0.0001-0.0005 parts by weight;

[0064] Sodium metasilicate hydrate: 0.6-0.8 parts by weight;

[0065] Anti-scaling agent: 0.4-0.6 parts by weight;

[0066] Potassium hydroxide: set amount;

[0067] Water: 60-70 parts by weight;

[0068] W...

Embodiment 1

[0103] In 1500kg reactor, add 750kg water and 3kg glycerin, stir and mix under the stirring rate of 60rpm / min, be warming up to 50 ℃, compound surfactant (1.5kg of C 12 Perfluoroalkyl betaine and 4kg cocamidopropyl betaine) 5.5kg input, after stirring, add 1kg oleic acid, 1.2kg citric acid, 1.5kg tolyl benzotriazole, 1.2kg of 6 -Amino-2-mercaptobenzothiazole, 1.4kg triethanolamine phosphate composition, 12kg sodium benzoate, then add potassium hydroxide to adjust the pH value to 8.1, 1kg ethylparaben, 0.001kg benzyl ammonium amide, 5kg Sodium polyacrylate, finally add 20kg of sodium metasilicate nonahydrate solution dissolved in water at 80°C (wherein, the water is 14kg, and sodium metasilicate nonahydrate is 6kg), stir and dissolve, then cool down to room temperature and add 210kg of ethanol, fully After stirring for 30 minutes, take a sample to test the pH value. If the pH value is between 8 and 9, it is qualified. After passing the test, it is filled through a 5 μm filter. ...

Embodiment 2

[0105] Add 500kg water and 1kg glycerin in 1500kg reactor, stir and mix under the stirring rate of 60rpm / min, be warming up to 50 ℃, compound surfactant (1kg of C 12 Perfluoroalkyl betaine and 4kg alkyl (cocamidopropyl betaine) 5kg input, after stirring, add 3kg oleic acid, 3kg citric acid, 5kg methyl benzotriazole, 4kg of 6-amino -2-Mercaptobenzothiazole, 1.2kg triethanolamine phosphate ester composition, 10kg sodium benzoate, after stirring evenly, add potassium hydroxide to adjust the pH value to 8.0, then add 2kg methylparaben, 0.0015kg benzyl ammonium amide , 6kg tetrasodium EDTA, stir evenly and add 20kg of sodium metasilicate nonahydrate dissolved in water at 80°C (among them, water is 13.5kg, sodium metasilicate nonahydrate is 6.5kg), stir and dissolve, and then cool to room temperature and add 450kg of ethanol, after fully stirring for 30 minutes, take a sample to test the pH value. If the pH value is between 8-9, it is qualified. After passing the pass, it will be fi...

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Abstract

The invention relates to the field of cleaning agents, and discloses a cleaning agent for a condenser and a radiator of an automobile air conditioner as well as a preparation method and application of the cleaning agent, and the cleaning agent is prepared from a composition containing the following components: 20-50 parts by weight of ethanol, 0.1-0.6 part by weight of a composite surfactant and 1.1-15.8 parts by weight of an anti-corrosion additive, wherein the anti-corrosion auxiliary agent is prepared from 0.1 to 0.6 part by weight of methylbenzotriazole, 0.1 to 0.6 part by weight of 6-amino-2-mercaptobenzothiazole, 0.1 to 5 parts by weight of triethanolamine phosphate composition, 0.1 to 0.6 part by weight of oleic acid or oleate, 0.1 to 2 parts by weight of benzoic acid or benzoate, 0.5 to 2 parts by weight of sodium metasilicate hydrate and 0.1 to 5 parts by weight of citric acid or citrate; wherein the composite surfactant is a mixture of perfluoroalkyl betaine and cocamidopropyl betaine, and the composite surfactant is a mixture of perfluoroalkyl betaine and cocamidopropyl betaine. The cleaning agent has the advantages of no toxicity, no residue, quick drying, corrosion resistance and antibacterial property, and can solve the problem of cleaning pollution in the production and manufacturing process of air conditioner condensers and radiators.

Description

technical field [0001] The invention belongs to the field of cleaning agents, and relates to a cleaning agent for automobile air-conditioning condensers and radiators and its preparation method and application, in particular to a quick-drying, non-toxic, and residue-free cleaning agent for automobile air-conditioning condensers and radiators and its Preparation methods and applications. Background technique [0002] For a long time, the condensers and radiators in my country's air-conditioning industry have been cleaned with trichlorethylene or monofluorotrichloro and some volatile oils during the manufacturing process. These air conditioners include industrial air conditioners and civil air conditioners, among which The car air conditioner in the car has been in contact with the human body for a long time after the car is installed. If there is detergent residue, these liquids are poisonous, and the slow release in the car will bring great harm to the drivers and passengers....

Claims

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Application Information

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IPC IPC(8): C11D1/90C11D3/08C11D3/20C11D3/28C11D3/34C11D3/36C11D3/37C11D3/32C11D3/48C11D3/60B08B3/08
Inventor 陶佃彬单猛杨飞邹密周凯军
Owner 张家港迪克汽车化学品有限公司
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