Anticorrosive material and production process thereof

A technology of anti-corrosion materials and anti-corrosion microcapsules, applied in anti-corrosion coatings, polyurea/polyurethane coatings, coatings, etc., can solve problems such as complex anti-corrosion coating processes, reduce the risk of corrosion, improve density, and ensure electrical conductivity. sexual effect

Pending Publication Date: 2022-01-14
玉和建设有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The invention provides an anti-corrosion material and its production process to solve the problems of complicated process caused by manual repair of the current anti-corrosion coating

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] An anti-corrosion material, which comprises the following raw materials in parts by weight: 50 parts of isocyanate-terminated polyurethane prepolymer, 2 parts of aminopropyltriethoxysilane, 3 parts of filler, 3 parts of fly ash, and 15 parts of zinc powder , 3 parts of antimony tin oxide, 3 parts of carbon nanotube material, 30 parts of water, 5 parts of anticorrosion microcapsules, 0.5 part of aminotrimethylene phosphonic acid, and the filler includes nano-silica, tricalcium aluminate, Molybdate, bentonite and mica powder.

[0039] The production process of the anti-corrosion material at least includes the following steps:

[0040] (1) Prepare anti-corrosion microcapsules, the preparation method comprises the following steps: 6 parts of linseed oil, 3 parts of tung oil, 4 parts of Tween 80 and 6 parts of methylene diphenyl diisocyanate are mixed evenly and slowly added to the water, while adding Stir, then add 10 parts of polyethylene glycol and 0.05 parts of zinc iso...

Embodiment 2

[0050] An anti-corrosion material, which comprises the following raw materials in parts by weight: 60 parts of isocyanate-terminated polyurethane prepolymer, 3 parts of aminopropyltriethoxysilane, 5 parts of filler, 3 parts of fly ash, and 20 parts of zinc powder , 5 parts of antimony tin oxide, 3 parts of carbon nanotube material, 20 parts of water, 6 parts of anticorrosion microcapsules, 1 part of aminotrimethylene phosphonic acid, 3 parts of hydroxypropyl methylcellulose; Nano silica, tricalcium aluminate, molybdate, bentonite and calcined kaolin.

[0051] The preparation process and the spraying process are the same as in Example 1. During the second spraying in the spraying process, component B is 1.1 times the weight of component A.

Embodiment 3

[0053] An anti-corrosion material, which comprises the following raw materials in parts by weight: 80 parts of isocyanate-terminated polyurethane prepolymer, 5 parts of aminopropyltriethoxysilane, 4 parts of filler, 5 parts of fly ash, and 28 parts of zinc powder , 4 parts of antimony tin oxide, 5 parts of carbon nanotube material, 30 parts of water, 5.5 parts of anticorrosion microcapsules, 2 parts of aminotrimethylene phosphonic acid, 1 part of hydroxypropyl methylcellulose; Nano silicon dioxide, tricalcium aluminate, molybdate, bentonite and filler, the filler includes mica powder and calcined kaolin, the weight ratio of the two is 1:1.

[0054] The preparation process and the spraying process are the same as in Example 1. During the secondary spraying in the spraying process, component B is 1.2 times the weight of component A.

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PUM

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Abstract

The invention relates to an anticorrosive material. The material is prepared from the following raw materials in parts by weight: 50 to 80 parts of an isocyanate-terminated polyurethane prepolymer, 2 to 5 parts of aminopropyltriethoxysilane, 3 to 5 parts of filler, 3 to 5 parts of fly ash, 15 to 28 parts of zinc powder, 3 to 5 parts of modified tin dioxide, 3 to 5 parts of a carbon nanotube material, 10 to 30 parts of water, 5 to 6 parts of anticorrosive microcapsules and 0.5 to 2 parts of amino trimethylene phosphonic acid. According to the invention, the anticorrosive microcapsules are added into the anticorrosive material, so that the anticorrosive material has certain self-repairing performance, when the anticorrosive material generates cracks under the action of external force, the microcapsules are broken and release linseed oil and tung oil in the microcapsules, and the linseed oil and tung oil have a repairing effect on the cracks, so that the self-repairing effect on an anticorrosive coating is achieved.

Description

technical field [0001] The invention relates to the technical field of anti-corrosion materials, in particular to an anti-corrosion material and a production process thereof. Background technique [0002] Anti-corrosion material, that is, a material that inhibits chemical corrosion and electrochemical corrosion of the anti-corrosion object through this material, is widely used in many fields such as marine, energy, construction, transportation, aerospace, and military equipment. Among all anti-corrosion measures, organic coatings are the most widely used. Organic coatings isolate the metal substrate from corrosive media such as moisture, oxygen, and ions through physical shielding, thereby preventing the occurrence of electrochemical corrosion reactions. However, during the service and transportation of equipment, the coating will inevitably be damaged and cracked. If it is not repaired in time, the protective effect of the coating on the metal substrate will be reduced. At...

Claims

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Application Information

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IPC IPC(8): C09D175/04C09D5/10C09D7/65C09D7/61
CPCC09D175/04C09D5/106C09D7/65C09D7/61C08K2003/0893C08K2201/011C08L91/005C08L75/08C08K3/22C08K3/041C08K7/26C08K3/08C08K3/36C08K3/24C08K3/346C08K3/34
Inventor 宋现玺刘晓青王卫博尚亚军
Owner 玉和建设有限公司
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