Metal surface silicane treating agent containing tetraisopropyl titanate and preparing method thereof

A technology of tetraisopropyl titanate and silane treatment agent, applied in the direction of metal material coating process, etc., can solve the problems of harming the environment, high energy consumption, unstable anti-corrosion performance, etc., achieving low polarization current density, enhanced resistance Effects of Corrosive Properties

Active Publication Date: 2013-04-24
上海蓝烷新材料科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The phosphating treatment process uses ammonium dihydrogen phosphate, zinc, manganese, and nickel as the main raw materials, causing serious environmental pollution such as heavy metals, phosphorus, and nitrite, and will more or less produce sediment and harmful gases during the treatment process. It affects the normal production, and the discharged wastewater COD and heavy metals will endanger the environment if they are not treated in an environmentally friendly manner; in addition, most of the phosphating treatment needs to be carried out under heating conditions, which consumes a lot of energy, the process is complicated, and the operation is inconvenient
Silane surface treatment technology has appeared, but the film formation of silane surface treatment agent on the metal surface is unstable, the anti-corrosion performance is unstable, and the effect is not good

Method used

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Embodiment Construction

[0018] A metal surface silane treatment agent containing tetraisopropyl titanate is made of the following components, and the weight (grams) of each raw material component in every 500 grams of mixed liquor is:

[0019] Tetraisopropyl titanate 2, ammonium benzoate 1, rosin 5, trihydroxyethyl isocyanurate 1, maleic anhydride 10, diethylene glycol butyl ether 4, propylene glycol 8, formic acid 2-3, N-(β-aminoethyl)-γ-aminopropyltrimethyl(ethyl)oxysilane 12, the balance is deionized water.

[0020] The preparation method of described metal surface silanization protective treatment agent comprises the following steps:

[0021] (1) Heat and melt the rosin to 110-115°C, add diethylene glycol butyl ether, N-(β-aminoethyl)-γ-aminopropyltrimethyl(b)oxysilane, and stir for 35- 50 minutes;

[0022] (2) Heat up to 145-160°C, add trihydroxyethyl isocyanurate, maleic anhydride, propylene glycol, and stir for 40-50 minutes;

[0023] (3) Continue to heat up to 190-205°C, add tetraisopropyl...

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Abstract

The invention discloses a metal surface silicane treating agent containing tetraisopropyl titanate and a preparing method thereof. The metal surface silicane treating agent containing the tetraisopropyl titanate is prepared form following compositions of, by weight (g) in every 500g of mixed liquor, 1-2g of tetraisopropyl titanate, 1-2g of amine benzoate, 3-5g of rosin, 1-2g of trihydroxyethyl isocyanurate, 10-12g of maleic anhydride, 4-6g of diethylene glycol monobutyl ether, 5-8g of propylene glycol, 2-3g of formic acid, 10-12g of N-(beta-aminoethyl)-gamma- aminopropyl trimethyl (triethyl) oxygroup silicane and the balance deionized water. The metal surface silicane treating agent containing the tetraisopropyl titanate and the preparing method use the rosin as reacting raw materials to polymerize with raw materials of the maleic anhydride, the silicane and the like, and accordingly strong protective film can be formed on the surface of metal, and decay resistance of a metal matrix is strengthened.

Description

technical field [0001] The invention relates to a silanization treatment agent on the metal surface and a process for silanization treatment on the metal surface. Background technique [0002] Phosphating treatment has been widely used in metal coating pretreatment, lubrication, antirust and other industries. Especially in the coating pretreatment industry, phosphating treatment is one of the most commonly used pretreatment methods. Phosphating treatment is a process in which a protective film of ammonium dihydrogen phosphate is formed on the surface of a metal after reacting in an acidic ammonium dihydrogen phosphate solution. Phosphate film also has good lubricity, insulation and corrosion resistance, so it is widely used in the manufacturing fields of automobiles, machinery manufacturing, aerospace and household appliances. The phosphating treatment process uses ammonium dihydrogen phosphate, zinc, manganese, and nickel as the main raw materials, causing serious environ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C23C22/68
Inventor 夏坤财
Owner 上海蓝烷新材料科技有限公司
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