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MXene/polyaniline nano-composite anticorrosive and antibacterial coating and preparation method thereof

An anti-corrosion, anti-bacterial and nano-composite technology, applied in anti-corrosion coatings, anti-fouling/underwater coatings, conductive coatings, etc., can solve problems such as poor anti-bacterial durability, and achieve good electrical conductivity and anti-bacterial properties, excellent physical properties, and excellent anti-corrosion and anti-bacterial properties. performance effect

Pending Publication Date: 2021-07-16
WUHAN INSTITUTE OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In view of this, the present invention aims to propose a MXene / polyaniline nano-composite anti-corrosion and anti-bacterial coating with uniform component dispersion and anti-corrosion and anti-bacterial properties to solve the problem of poor anti-bacterial durability of existing anti-bacterial coatings

Method used

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  • MXene/polyaniline nano-composite anticorrosive and antibacterial coating and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A MXene / polyaniline nanocomposite anti-corrosion and antibacterial coating, by weight, consists of the following components: epoxy resin E51: 45 parts, MXene / polyaniline composite material: 2 parts, polyamide curing agent: 15 parts, organic Silicon defoamer: 1 part, polyacrylate leveling agent: 1 part.

[0027] The above-mentioned MXene / polyaniline nanocomposite anti-corrosion and antibacterial coatings are specifically prepared by the following methods:

[0028] 1) Add 0.2g of aniline to 10mL with a concentration of 1mol L -1 Hydrochloric acid, dubbed solution A;

[0029] 2) Add 0.1g MXene to 200mL water to form solution B, where MXene is Ti 3 C 2 T x ,T x -O, -F and -OH, that is, MXene contains three functional groups -O, -F and -OH;

[0030] 3) Add solution A dropwise to solution B, react at 4°C for 6 hours, centrifuge and wash to obtain MXene / polyaniline composite material;

[0031] 4) Add the MXene / polyaniline composite material, defoamer, and leveling agent...

Embodiment 2

[0033] A kind of MXene / polyaniline nanocomposite anticorrosion and antibacterial coating, by weight, is made up of following components: Epoxy resin E44: 60 parts, MXene / polyaniline composite material: 3 parts, polyetheramine curing agent: 22 parts, Polyether defoamer: 1 part, polysiloxane leveling agent: 2 parts.

[0034] The above-mentioned MXene / polyaniline nanocomposite anti-corrosion and antibacterial coatings are specifically prepared by the following methods:

[0035] 1) Add 0.5g of aniline to 60mL to a concentration of 1mol L -1 Hydrochloric acid, dubbed solution A;

[0036] 2) Add 0.5g of MXene to 70mL of water to make solution B, where MXene is Ti 3 C 2 T x ,T x -O, -F and -OH, that is, MXene contains three functional groups -O, -F and -OH;

[0037] 3) Add solution A dropwise to solution B, react at 0°C for 10 hours, centrifuge and wash to obtain MXene / polyaniline composite material;

[0038] 4) Add the MXene / polyaniline composite material, defoamer, and level...

Embodiment 3

[0040] A kind of MXene / polyaniline nanocomposite anticorrosion and antibacterial coating, by weight, is made up of following components: Epoxy resin E51: 55 parts, MXene / polyaniline composite material: 3 parts, polyetheramine curing agent: 18 parts, Silicone defoamer: 2 parts, polysiloxane leveling agent: 1.5 parts.

[0041] The above-mentioned MXene / polyaniline nanocomposite anti-corrosion and antibacterial coatings are specifically prepared by the following methods:

[0042] 1) Add 0.2g of aniline to 30mL to a concentration of 1mol L -1 Hydrochloric acid, dubbed solution A;

[0043] 2) Add 0.5g of MXene into 50mL of water to form solution B, where MXene is Ti 3 C 2 T x ,T x -O, -F and -OH, that is, MXene contains three functional groups -O, -F and -OH;

[0044] 3) Add solution A dropwise to solution B, react at 4°C for 8 hours, centrifuge and wash to obtain MXene / polyaniline composite material;

[0045] 4) Add the MXene / polyaniline composite material, defoamer, and l...

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Abstract

The invention provides an MXene / polyaniline nano-composite anticorrosive and antibacterial coating and a preparation method thereof, and the MXene / polyaniline nano-composite anticorrosive and antibacterial coating comprises the following components in parts by weight: 40-70 parts of epoxy resin, 1-5 parts of an MXene / polyaniline composite material, 1-2 parts of a defoaming agent, 1-2 parts of a leveling agent and 10-30 parts of a curing agent. The MXene and polyaniline in the prepared coating have a synergistic effect, so that the nano composite coating not only has conductivity, but also has antibacterial property, and also provides chemical corrosion prevention and physical barrier effects. The preparation method of the nano-composite coating is simple, the anti-corrosion and antibacterial properties are good, and large-scale industrial production is easy.

Description

technical field [0001] The invention relates to the technical field of functional coatings and composite materials, in particular to an MXene / polyaniline nanocomposite anti-corrosion and antibacterial coating and a preparation method thereof. Background technique [0002] With the rapid development of social economy, various coatings are widely used in construction industry, machinery manufacturing, shipbuilding and other fields. However, in daily use, the occurrence of electrochemical corrosion and chemical corrosion may cause very serious consequences. At present, the traditional functional coatings can no longer fully meet the requirements of the industry. Coating a layer of anti-corrosion coating on the surface of the material to isolate the external environment from contact with the metal surface is one of the most convenient and effective anti-corrosion methods at present. Polyaniline is a conductive polymer that was first used in the field of anti-corrosion. It can ...

Claims

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Application Information

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IPC IPC(8): C09D163/00C09D5/08C09D5/14C09D5/24
CPCC09D163/00C09D5/08C09D5/14C09D5/24C08L79/02C08K9/10C08K3/14
Inventor 朱佳庆李亮喻湘华刘玉兰
Owner WUHAN INSTITUTE OF TECHNOLOGY
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