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A metal surface treatment and anti-oxidation technology, which is applied in coatings, anti-corrosion coatings, cellulose coatings, etc., can solve the problems of gradually softening and thinning, restricting the use area, etc., and achieve improved anti-swelling, good protection, and preparation methods simple effect
Inactive Publication Date: 2016-08-31
HEFEI ZHENGHAO MECHANICAL TECH
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[0003] Guo Jun proposed in the article "Development of PVA Water-Soluble Polymer Peelable Antirust Film" that by adding antirust agent and other additives to polyvinyl alcohol, it is placed in a beaker in a constant temperature water bath at a temperature of 99°C. Heating in middle temperature until completely dissolved, and then uniformly coating it on the metal surface by coating casting method, drying to form a film, and measuring the performance of the film. The experimental results show that the surface has good rust resistance. In cold water below 40 ° C, almost It is completely insoluble in water, but when placed in hot water above 40°C, the film will gradually become soft and thin, and finally dissolve completely, so the application area is limited
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[0012] An antioxidant metal surface treatment agent, prepared from the following raw materials in parts by weight (kg): borax 0.4, polyvinyl alcohol 40, polyethylene glycol 12, emulsifier op100.4, glycerin 0.3, triethanolamine 0.6 , benzotriazole 6, sodium benzoate 6, sodium lauryl sulfate 2, succinic aldehyde 0.4, nanocellulose 4, diethylenetriamine 0.3, vinyltrimethoxysilane 0.32, polyvinylpyrrolidone 0.2, copper powder 1.2, catechin 0.8, sodium edetate 0.4, deionized water in proper amount.
[0013] Described a kind of anti-oxidation metal surface treatment agent is prepared by the following specific steps:
[0014] (1) Add diethylenetriamine to 10 times the amount of deionized water to dissolve, then add vinyltrimethoxysilane and polyvinylpyrrolidone, stir magnetically for 10 minutes, then add copper powder, catechin and ethylenediaminetetraacetic acid Sodium was reacted at 40°C for 2 hours, cooled to room temperature naturally for later use;
[0015] (2) Prepare polyvin...
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Abstract
The invention discloses an anti-oxidation metal surface treating agent. The anti-oxidation metal surface treating agent is prepared from, by weight, 0.4-0.5 part of borax, 40-50 parts of polyvinyl alcohol, 12-15 parts of polyethylene glycol, 0.4-0.6 part of emulsifier op10, 0.3-0.5 part of glycerol, 0.6-0.8 part of triethanolamine, 6-8 parts of benzotriazole, 6-7 parts of sodium benzoate, 2-3 parts of sodium dodecyl sulfate, 0.4-0.6 part of butanedial, 4-5 parts of nano-crystalline cellulose, 0.3-0.4 part of diethylenetriamine, 0.32-0.4 part of vinyl trimethoxy silane, 0.2-0.3 part of polyvinylpyrrolidone, 1.2-1.6 parts of copper powder, 0.8-1.2 parts of catechin, 0.4-0.6 part of edetate disodium and a proper amount of deionized water. The prepared metal surface treating agent has the advantages that a preparation method is simple, cost is low, film forming performance is good, after-treatment is easy, the surface treating agent has good anti-oxidation, anti-rust and anti-corrosion functions on a metal surface, the effect is good, and application prospects are good.
Description
technical field [0001] The invention relates to the technical field of metal surface treatment agents, in particular to an anti-oxidation metal surface treatment agent. Background technique [0002] According to statistics, every year in the world, steel products with a total weight equivalent to 10-20% of the annual metal output cannot be used due to corrosion, rust and other reasons. For this reason, people have adopted various anti-rust methods to avoid rust and reduce loss. There are various kinds of antirust agents, among which sodium nitrite has been favored and widely used because of its excellent antirust performance and low price. A lot of research and development work has been carried out, and a variety of alkyl, alkoxy, halo, naphthoic acids and their derivatives, nitrobenzoic acids, and borates, borates, and molybdates have been prepared. The main material to replace the new water-soluble rust inhibitor of sodium nitrite. Although these new antirust agents are...
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