Soldering flux cleaning agent of integrated circuit board and preparation method of soldering flux cleaning agent
An integrated circuit and flux technology, applied in the field of cleaning agents, can solve the problems of high cost and low efficiency, and achieve the effects of moderate volatility, cost reduction, and high market promotion prospects.
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Embodiment 1
[0030] A kind of flux cleaning agent for integrated circuit board is made up of the following components by weight percentage:
[0031] Diethylene glycol ether: 40%, N-methyl-2-pyrrolidone: 1%,
[0032] 2,4-dichloro-5-trifluoromethylpyrimidine: 0.1%, and the balance is high-purity water.
[0033] The preparation method of above-mentioned integrated circuit board flux cleaning agent, comprises the following steps:
[0034] Add water into the reaction kettle, after heating up to 50°C, add N-methyl-2-pyrrolidone and 2,4-dichloro-5-trifluoromethylpyrimidine according to the weight percentage, stir evenly, and slowly after the temperature drops to 25°C A cleaning agent for integrated circuit boards is prepared by adding a high-boiling-point alcohol ether solvent dropwise.
Embodiment 2
[0036] A kind of flux cleaning agent for integrated circuit board is made up of the following components by weight percentage:
[0037] Diethylene glycol butyl ether: 65%, N-methyl-2-pyrrolidone: 12%,
[0038] 2,4-dichloro-5-trifluoromethylpyrimidine: 5%, the balance is high-purity water.
[0039] The preparation method of above-mentioned integrated circuit board flux cleaning agent, comprises the following steps:
[0040] Add water into the reaction kettle, after heating up to 60°C, add N-methyl-2-pyrrolidone and 2,4-dichloro-5-trifluoromethylpyrimidine according to the weight percentage and stir evenly, after the temperature drops to 30°C, slowly A cleaning agent for integrated circuit boards is prepared by adding a high-boiling-point alcohol ether solvent dropwise.
Embodiment 3
[0042] A kind of flux cleaning agent for integrated circuit board is made up of the following components by weight percentage:
[0043] Dipropylene glycol butyl ether: 50%, N-methyl-2-pyrrolidone: 5%,
[0044] 2,4-dichloro-5-trifluoromethylpyrimidine: 2%, the balance is high-purity water.
[0045] The preparation method of above-mentioned integrated circuit board flux cleaning agent, comprises the following steps:
[0046] Add water into the reaction kettle, after heating up to 50°C, add N-methyl-2-pyrrolidone and 2,4-dichloro-5-trifluoromethylpyrimidine according to the weight percentage, stir evenly, and slowly after the temperature drops to 25°C A cleaning agent for integrated circuit boards is prepared by adding a high-boiling-point alcohol ether solvent dropwise.
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