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A kind of metal surface silane coating corrosion inhibitor

A technology of metal surface and corrosion inhibitor, applied in the field of preparation of corrosion inhibitor, can solve the problems affecting the use effect of industrial devices and the like

Active Publication Date: 2016-08-17
QUZHOU WANNENGDA CLEANING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It affects the use effect in industrial installations.

Method used

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  • A kind of metal surface silane coating corrosion inhibitor
  • A kind of metal surface silane coating corrosion inhibitor
  • A kind of metal surface silane coating corrosion inhibitor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] Step 1. Nano-Fluorocarbon CeFCO 3 Surface polymerization:

[0027] In the 500L reactor, add nano-fluorocarbon cerium CeFCO according to the following ratio 3 Disperse in ethanol, add trifluoroethyl acrylate monomer, benzoyl peroxide, polyvinyl alcohol, sodium dodecylbenzene sulfonate, etc. in the following proportions, raise the temperature, and react at 80°C for 6 hours to obtain Surface polymerized nano-fluorocarbon cerium CeFCO 3 Micro suspension.

[0028]

[0029] Step 2. Add ionic liquid:

[0030] In a 500L reactor, add nano-fluorocarbon cerium CeFCO 3 97Kg of microsuspension liquid, 3Kg of 1-hexyl-2,3-dimethylimidazole tetrafluoroborate ionic liquid, mixed in the reaction kettle for 20 hours, to obtain the product, numbered SX-1.

Embodiment 2

[0032] Step 1. Nano-Fluorocarbon CeFCO 3 Surface polymerization:

[0033] In the 500L reactor, add nano-fluorocarbon cerium CeFCO according to the following ratio 3 Disperse in ethanol, add trifluoroethyl acrylate monomer, benzoyl peroxide, polyvinyl alcohol, sodium dodecylbenzene sulfonate, etc. in the following proportions, raise the temperature, and react at 70°C for 10 hours to obtain the Surface polymerized nano-fluorocarbon cerium CeFCO 3 Micro suspension.

[0034]

[0035] Step 2. Add ionic liquid:

[0036] In a 500L reactor, add nano-fluorocarbon cerium CeFCO 3 Micro-suspension 95Kg, 1-hexyl-2,3-dimethylimidazole tetrafluoroborate ionic liquid 5Kg, mixed in the reaction kettle for 40hr to obtain the product, numbered SX-2.

Embodiment 3

[0038] Step 1. Nano-Fluorocarbon CeFCO 3 Surface polymerization:

[0039] In the 500L reactor, add nano-fluorocarbon cerium CeFCO according to the following ratio 3 Disperse into ethanol, add trifluoroethyl acrylate monomer, benzoyl peroxide, polyvinyl alcohol, sodium dodecylbenzene sulfonate, etc. in the following proportions, increase the temperature, and react at 60°C for 15 hours to obtain the Surface polymerized nano-fluorocarbon cerium CeFCO 3 Micro suspension.

[0040]

[0041] Step 2. Add ionic liquid:

[0042] In a 500L reactor, add nano-fluorocarbon cerium CeFCO 3 Micro-suspension 99Kg, 1-hexyl-2,3-dimethylimidazole tetrafluoroborate ionic liquid 1Kg, mixed in the reaction kettle for 10hr to obtain the product, numbered SX-3.

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Abstract

A metal surface silane coating corrosion inhibitor, comprising: nano cerium fluorocarbon CeFCO 3 It needs to undergo surface polymerization treatment with trifluoroethyl acrylate to change from hydrophilic to lipophilic, and then fully mix with 1-hexyl-2,3-dimethylimidazolium tetrafluoroborate ionic liquid to obtain the product. Adding the corrosion resistance enhancer of the present invention into the silane coupling pre-film agent can make the composite film have a certain self-repair ability.

Description

Technical field [0001] The invention relates to a preparation method of a corrosion inhibitor, in particular to a preparation method of a silane coating corrosion inhibitor on a metal surface. Background technique [0002] At present, corrosion inhibitors have become one of the most widely used methods in anti-corrosion technology, and they have done a lot in protecting resources and reducing material losses. Compared with other anti-corrosion methods, corrosion inhibitors have the advantages of not changing the corrosive environment, increasing equipment investment, and not being affected by the shape of equipment. The same formula can sometimes prevent the corrosion of multiple metals in different environments at the same time. However, due to some limitations of a single corrosion inhibitor and the uneven appearance of the coating, it is necessary to add a trace amount of additives to better improve the corrosion resistance of the corrosion inhibitor. Environmentally friendly...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C23F11/16
Inventor 王琪宇许益生陈桂红
Owner QUZHOU WANNENGDA CLEANING