A kind of nano aluminum alloy surface treatment agent and its preparation process
A technology of aluminum alloy surface and treatment agent, which is applied in the direction of mixer, chemical/physical process, mixer with rotating stirring device, etc., can solve the problems of surface treatment agent conversion film layer is not uniform enough, wear resistance is not strong enough, etc. Achieve the effect of improving self-cleaning performance, avoiding damage, and uniform dispersion effect
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Embodiment 1
[0034] A nano-aluminum alloy surface treatment agent, made of the following raw materials in parts by weight: 35 parts of tarabit glue, 55 parts of modified alkyd resin, 15 parts of nano silicon dioxide, 3 parts of KH550, 5 parts of potassium stearate, 5 parts of lauryl mercaptan, 10 parts of sodium lauryl sulfate, 50 parts of deionized water;
[0035]The preparation method of the nano-aluminum alloy surface treatment agent comprises the following steps:
[0036] Step S1. Add tara gum and modified alkyd resin into a beaker half filled with deionized water, heat in a water bath at 55°C, stir at a constant speed for 20 minutes, then add dodecyl mercaptan, raise the temperature to 60°C, and stir for 5 minutes. Make A liquid spare;
[0037] Step S2: Add sodium lauryl sulfate into a three-necked flask, add the other half of deionized water, heat in a water bath at 60°C, add magnetic stirring for 30 minutes, add 10% sodium hydroxide solution to adjust the pH until the solution pH=9...
Embodiment 2
[0044] A nano-aluminum alloy surface treatment agent is made of the following raw materials in parts by weight: 40 parts of tarabit glue, 60 parts of modified alkyd resin, 18 parts of nano silicon dioxide, 5 parts of KH550, 6 parts of potassium stearate, 8 parts of lauryl mercaptan, 12 parts of sodium lauryl sulfate, 55 parts of deionized water;
[0045] The preparation method of the nano-aluminum alloy surface treatment agent comprises the following steps:
[0046] Step S1. Add tara gum and modified alkyd resin into a beaker half filled with deionized water, heat in a water bath at 55°C, stir at a constant speed for 20 minutes, then add dodecyl mercaptan, raise the temperature to 60°C, and stir for 5 minutes. Make A liquid spare;
[0047] Step S2: Add sodium lauryl sulfate into a three-necked flask, add the other half of deionized water, heat in a water bath at 60°C, add magnetic stirring for 30 minutes, add 10% sodium hydroxide solution to adjust the pH until the solution p...
Embodiment 3
[0050] A nano-aluminum alloy surface treatment agent, made of the following raw materials in parts by weight: 55 parts of tarabit glue, 65 parts of modified alkyd resin, 20 parts of nano silicon dioxide, 6 parts of KH550, 6 parts of potassium stearate, 12 parts of lauryl mercaptan, 15 parts of sodium lauryl sulfate, 65 parts of deionized water;
[0051] The preparation method of the nano-aluminum alloy surface treatment agent comprises the following steps:
[0052] Step S1. Add tara gum and modified alkyd resin into a beaker half filled with deionized water, heat in a water bath at 55°C, stir at a constant speed for 20 minutes, then add dodecyl mercaptan, raise the temperature to 60°C, and stir for 5 minutes. Make A liquid spare;
[0053] Step S2: Add sodium lauryl sulfate into a three-necked flask, add the other half of deionized water, heat in a water bath at 60°C, add magnetic stirring for 30 minutes, add 10% sodium hydroxide solution to adjust the pH until the solution pH...
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