Water-based cleaning agent for soldering flux and preparation method thereof
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A water-based cleaning agent and flux technology, applied in the field of cleaning agents, can solve the problems of easily causing skin cancer, environmental pollution, and high cost, and achieve the best cleaning effect, convenient use and less use.
Inactive Publication Date: 2013-02-13
华阳新兴科技(天津)集团有限公司
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Problems solved by technology
At present, flux cleaning agents are mostly prepared with fluorocarbon solvents and halogenated hydrocarbon solvents. These cleaning agents contain carcinogens. Direct contact with the human body is likely to cause skin cancer, and the cost is high and it causes serious pollution to the environment.
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Embodiment 1
[0022] A flux water-based cleaning agent, its composition and weight are respectively (take 1000g flux water-based cleaning agent as an example):
[0023]
[0024]
[0025] A preparation method of flux water-based cleaning agent, the steps are as follows:
[0026] Add water to the reaction kettle, add the reaction amount of diethylene glycol butyl ether, diethylene glycol ethyl ether, monoethanolamine, triethanolamine, AEO-9, Ninar, corrosion inhibitor in turn under stirring, and mix and stir for 20-30 minutes That is, it becomes a flux water-based cleaning agent.
Embodiment 2
[0028] A kind of flux water-based cleaning agent, its composition and weight are respectively (taking 1000g flux water-based cleaning agent as an example)
[0029]
[0030] The steps of its preparation method are the same as in Example 1.
[0031] Mechanism of action of the present invention:
[0032] The first is to dissolve and clean away the flux and welding slag on the workpiece, and add a corrosion inhibitor to the water-based cleaning agent for the production of flux to protect the metal workpiece, and achieve the best cleaning effect through the above mechanism.
[0033] Application examples of this cleaning agent:
[0034] Add the mixed solution of the flux water-based cleaning agent of Example 1 or Example 2 and water to the liquid tank at a concentration of 20%, at a temperature of 60°C, soak the cleaned metal parts in the mixed solution for 30 minutes, and then ultrasonically clean After 30 minutes, rinse the workpiece with clean water.
[0035] Conclusion: Af...
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Abstract
The invention relates to a water-based cleaning agent for soldering flux and a preparation method thereof. The water-based cleaning agent comprises the following components in percentage by weight: 30-40% of diethylene glycol butyl ether, 10-20% of diethylene glycol ethyl ether, 5-10% of monoethanolamine, 10-15% of triethanolamine, 1-3% of corrosion inhibitor, 5-10% of AEO (fatty alcohol polyoxyethylene ether)-9, 5-10% of Ninol and the balance of water. The main steps of the preparation method are as follows: firstly adding four solvents, namely the diethylene glycol butyl ether, the diethylene glycol ethyl ether, the monoethanolamine and the triethanolamine into water, and then adding the AEO-9, the Ninol and the corrosion inhibitor for mixing. The action mechanism of the preparation method disclosed by the invention is scientific and scientific, the cleaning effect can achieve the optimal state through synergy of all the components, and the corrosion inhibitor is contained in the cleaning agent so as to play a role in metal protection during the cleaning process.
Description
technical field [0001] The invention belongs to the cleaning agent field and relates to cleaning flux, in particular to a flux water-based cleaning agent and a preparation method thereof. Background technique [0002] In manufacturing industries such as electronics, instrumentation, and machinery, the cleaning effect of flux is a key process that affects product quality. At present, flux cleaning agents are mostly prepared with fluorocarbon solvents and halogenated hydrocarbon solvents. Such cleaning agents contain carcinogens. Direct contact with the human body is likely to cause skin cancer, and the cost is high and it causes serious pollution to the environment. [0003] Through searching, the following two published patent documents were found: [0004] 1. A halogen-free environmental cleaning agent (CN101748003A), which is composed of the following weight ratios: C9-C12 isoparaffin 5-10%, degreasing agent 1-8%, glycol ether 5-12% , 1-5% of non-ionic surfactant, and th...
Claims
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