A kind of preparation method of water-soluble molecular self-assembled film type metal protective agent
A metal protective agent and self-assembled film technology, applied in the field of metal protective agents, can solve the problems of application limitation, complicated use process, manufacturing cost, increase in use cost, etc., to prolong the discoloration time of metal, strengthen the protection performance, and prolong the protection time. Effect
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Embodiment 1
[0045] A method for preparing a water-soluble molecular self-assembled film type metal protective agent, the steps of which are:
[0046] A, the mass ratio is 0.5:10 namely 0.5kg tap water and 10kg organic solvent α-phenylmethyl-ω-[(1,1,3,3-tetramethylbutyl)phenoxy]-poly( Oxygen-1,2-ethylene) (TRITON for short) was mixed in the reaction kettle and stirred for 2 minutes to make a mixed solvent;
[0047] B, add the 30% emulsifying agent of step A gained mixed solvent quality, i.e. 3.15kg hydroxyethyl fatty acid propyl fat (HDP), stir 3 minutes, make mixture;
[0048] C. Add 12% of the film-forming agent of the mass of the mixture obtained in step B, that is, 1.638kg 8,14-dihydroxyoctadecyl mercaptan (D-SM), and stir for 3 minutes to further obtain a mixed solution;
[0049] D. Add 1.5% surfactant of the mass of the mixed solution obtained in step C, i.e. sodium dodecyl sulfate (SDS) 0.229kg and 0.1% reducing agent, i.e. vitamin C (ascorbic acid, referred to as VC or AA) 15.3g ...
Embodiment 2
[0053] A method for preparing a water-soluble molecular self-assembled film type metal protective agent, the steps of which are:
[0054] A. The mass ratio is 0.75:10, that is, 0.75kg of deionized water and 10kg of organic solvent α-phenylmethyl-ω-[(1, 1, 3, 3-tetramethylbutyl) phenoxy]- Poly(oxy-1,2-ethylene) (TRITON for short) was mixed in a reaction kettle and stirred for 3 minutes to make a mixed solvent;
[0055] B, add the emulsifying agent of 35% of the mixed solvent quality of step A gained, i.e. 3.76kg hydroxyethyl fatty acid propyl fat (HDP), stir 5 minutes, make mixture;
[0056] C. Add 15% of the film-forming agent of the mass of the mixture obtained in step B, that is, 2.18kg 8,14-dihydroxyoctadecyl mercaptan (D-SM), and stir for 4 minutes to further obtain a mixed solution;
[0057] D. Add 1.65% surfactant of the mass of the mixed solution obtained in step C, i.e. sodium dodecyl sulfate (SDS) 0.275kg and 0.2% reducing agent, i.e. vitamin C (ascorbic acid, referr...
Embodiment 3
[0061] A method for preparing a water-soluble molecular self-assembled film type metal protective agent, the steps of which are:
[0062] A. Distilled water with a mass ratio of 1.0:10, that is, 2.0kg, and 20kg of organic solvent α-phenylmethyl-ω-[(1,1,3,3-tetramethylbutyl)phenoxy]-poly( Oxygen-1,2-ethylene) (TRITON for short) was mixed in the reaction kettle and stirred for 3 minutes to make a mixed solvent;
[0063] B, add the emulsifying agent of 44.5% of the mixed solvent quality of step A gained, i.e. 9.79kg hydroxyethyl fatty acid propyl fat (HDP), stir 5 minutes, make mixture;
[0064] C. Add 15.5% of the film-forming agent of the mass of the mixture obtained in step B, that is, 4.93kg 8, 14-dihydroxyoctadecyl mercaptan (D-SM), and stir for 6 minutes to further obtain a mixed solution;
[0065] D. Add 1.80% surfactant of the mass of the mixed solution obtained in step C, i.e. sodium dodecyl sulfate (SDS) 0.661kg and 0.3% reducing agent, i.e. vitamin C (ascorbic acid, r...
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