Silane surface treating agent and preparation method thereof

A technology of silane surface treatment and silane coupling agent, applied in the field of silane surface treatment agent and its preparation, can solve the problems of inability to form a dense film layer, decreased customer satisfaction, low solubility of magnesium carbonate, etc. The effect of saving heating energy and fast film formation

Active Publication Date: 2014-05-07
HUNAN JINYU ENVIRONMENTAL PROTECTION TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this patent has the following disadvantages: N-(β-aminoethyl)-γ-aminopropyltrimethoxysilane accounts for an excessively large proportion in the formula composition, which will inevitably cause the cost of the product to be too high, resulting in a decline in market competitiveness. Satisfaction drops
However, this patent has the following disadvantages: the proportion of aminopropyltriethoxysilane and N-phenyl-3-aminopropyltrimethoxysilane in the formula is too large, which will inevitably cause

Method used

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  • Silane surface treating agent and preparation method thereof
  • Silane surface treating agent and preparation method thereof
  • Silane surface treating agent and preparation method thereof

Examples

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Example Embodiment

[0056] Example 1

[0057] Every 1000Kg silane surface treatment agent is made of the following raw materials:

[0058] Fluorozirconic acid 20Kg, fluorotitanic acid 20Kg, silane coupling agent (KH-560) 3Kg, zirconium oxychloride 8Kg, citric acid 5Kg, water 944Kg.

[0059] The preparation method sequentially includes the following steps:

[0060] (1) Add water to the reactor;

[0061] (2) Add the silane coupling agent to the reactor and stir until the silane coupling agent is completely hydrolyzed, and the stirring time is 7-9 hours;

[0062] (3) Add fluozirconic acid and fluotitanic acid to the reaction kettle, stir evenly and make the solution clear, and the stirring time is 0.5-1.5 hours;

[0063] (4) Add zirconium oxychloride to the reactor, stir evenly and make the solution clear, and the stirring time is 0.5-1.5 hours;

[0064] (5) Add citric acid to the reaction kettle, stir evenly and make the solution clear, and the stirring time is 20-40 minutes.

[0065] (6) The product is tested f...

Example Embodiment

[0067] Example 2

[0068] Every 1000Kg silane surface treatment agent is made of the following raw materials:

[0069] Fluorozirconic acid 20Kg, fluorotitanic acid 50Kg, silane coupling agent (KH-560) 3Kg, zirconium oxychloride 8Kg, citric acid 5Kg, water 914Kg.

[0070] The preparation method is the same as in Example 1.

[0071]

Example Embodiment

[0072] Example 3

[0073] Every 1000Kg silane surface treatment agent is made of the following raw materials:

[0074] Fluorozirconic acid 40Kg, fluorotitanic acid 30Kg, silane coupling agent (KH-560) 5Kg, zirconium oxychloride 10Kg, citric acid 7Kg, water 908Kg.

[0075] The preparation method is the same as in Example 1.

[0076]

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Abstract

The invention discloses a silane surface treating agent, which is prepared from the following raw materials by mass percent: 2-5% of hexafluorozirconic acid, 2-5% of hexafluorotitanic acid, 0.3-0.6% of silane coupling agent, 0.8-1.5% of zirconium oxychloride, 0.5-1% of citric acid and the balance of water. By adopting the silane surface treating agent disclosed by the invention, the sewage sludge treatment cost can be saved, consumption of raw water is saved, the silane surface treating agent can be used at normal temperature, a heating energy source is saved, the maintenance cost can be reduced, and the manpower cost is saved.

Description

technical field [0001] The invention relates to the field of metal surface treatment agents, in particular to a silane surface treatment agent and a preparation method thereof. Background technique [0002] With the maturity of the metal surface treatment process, the traditional phosphate conversion and chromate passivation surface treatment technology is gradually replaced by the environmental protection and energy-saving silanization treatment technology due to factors such as environmental pollution and easy harm to the human body. Silanization treatment is a process of surface treatment of metal or non-metal materials with organosilane aqueous solution as the main component. Compared with traditional phosphating, silanization treatment has the following advantages: no harmful heavy metal ions, no phosphorus, no need for heating. The silane treatment process does not produce sediment, the treatment time is short, and the control is simple. There are few processing ...

Claims

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Application Information

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IPC IPC(8): C09D183/06C09D7/12
CPCC23C22/34C23C2222/20
Inventor 桂成方
Owner HUNAN JINYU ENVIRONMENTAL PROTECTION TECH CO LTD
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