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Glass fiber powder/polypyrrole/Ti<3>C<2>T<x>MXene ternary composite filler, and preparation method and application thereof

A technology of glass fiber powder and three-component compounding, which is applied in anti-corrosion coatings, epoxy resin coatings, coatings, etc., to achieve good film-forming properties, simple preparation process, and excellent corrosion resistance

Active Publication Date: 2020-01-31
ANHUI UNIVERSITY OF TECHNOLOGY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

But in terms of anticorrosion, about Ti 3 C 2 T x There are few reports on the application of MXene and its composite materials

Method used

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  • Glass fiber powder/polypyrrole/Ti&lt;3&gt;C&lt;2&gt;T&lt;x&gt;MXene ternary composite filler, and preparation method and application thereof
  • Glass fiber powder/polypyrrole/Ti&lt;3&gt;C&lt;2&gt;T&lt;x&gt;MXene ternary composite filler, and preparation method and application thereof
  • Glass fiber powder/polypyrrole/Ti&lt;3&gt;C&lt;2&gt;T&lt;x&gt;MXene ternary composite filler, and preparation method and application thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] In parts by weight, put 15 parts of glass fiber powder into a beaker, add 50 mL of 10% nitric acid solution, heat and stir for 30 min, and centrifugally dry to remove impurities in the glass fiber powder. Add the obtained powder to 50mL piranha solution in an ice-water bath, and after the system is stable, heat and boil for 30 minutes, and then centrifugally dry to obtain hydroxylated glass fiber powder. In the mixed solution of V (ethanol: aqueous solution) at 9:1, add KH550 coupling agent with a solvent mass of 2%, stir for 30 minutes, and then add hydroxylated glass fiber powder to the solution. Heat and stir at 70°C for 3 hours, then stir at room temperature for 24 hours to obtain glass fiber powder of grafted coupling agent.

[0037] Weigh 100 parts of E44 type epoxy resin, 13.3 parts of glass fiber powder obtained after treatment, and add it into 33 parts of xylene-n-butanol solvent (xylene:n-butanol=4:1). After stirring evenly, add 23.3 parts of T31 curing agent. ...

Embodiment 2

[0039] Weigh 100 parts of E44 type epoxy resin and 3.3 parts of polypyrrole, and add them into 33 parts of xylene-n-butanol solvent (xylene:n-butanol=4:1). After stirring evenly, add 23.3 parts of T31 curing agent. After continuing to stir, the obtained coating was coated on the polished tinplate to obtain the prepared coating, and its electrochemical performance was measured.

Embodiment 3

[0041] According to the method of Example 1, 15 parts of graft coupling agent glass fiber powder were prepared, added to 1M HCl solution, ultrasonically dispersed for 30 minutes, 13 μL of pyrrole monomer was added to the mixed system, and stirred in an ice-water bath for 1 hour. Finally, 1.3 parts of ammonium persulfate solution was added dropwise, stirred in an ice-water bath for 12 hours, centrifuged, and vacuum-dried to obtain a glass fiber powder / polypyrrole composite material. The obtained composites were examined by scanning electron microscopy as figure 2 As shown, it can be seen that glass fiber powder and polypyrrole have been compounded in the figure.

[0042] Slowly add 5 parts of LiF to the hydrochloric acid solution, stir until the white LiF is completely dissolved, then slowly add 4 parts of Ti 3 AlC 2 MAX phase, stirred in a water bath at 35°C for 24 hours, the resulting liquid is the etched Ti 3 C 2 T x MXene solution; after 800W ultrasonic dispersion, ...

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Abstract

The invention discloses a glass fiber powder / polypyrrole / Ti<3>C<2>T<x>MXene ternary composite filler, and a preparation method and application thereof. The preparation method comprises the following steps: hydroxylating glass fiber powder, grafting a coupling agent to the hydroxylated glass fiber powder, and preparing a glass fiber powder / polypyrrole compound; preparing a few-layer / single-layer Ti<3>C<2>T<x>MXene by using a Ti<3>C<2>T<x>MXene multilayer dispersion liquid, and then preparing the glass fiber powder / polypyrrole / Ti<3>C<2>T<x>MXene ternary composite filler; and adding a film-forming agent and the glass fiber powder / polypyrrole / Ti<3>C<2>T<x>MXene ternary composite filler into a solvent, carrying out uniform mixing under stirring, adding a curing agent, continuing stirring, and coating a polished metal substrate with the obtained paint so as to obtain a coating. The preparation process is simple; the composite material is successfully prepared from MXene and applied to metalcorrosion prevention; and the prepared anticorrosive paint has the advantages of good film-forming property, excellent corrosion resistance and no cracks after use for a long time.

Description

technical field [0001] The invention relates to a metal anticorrosion coating, in particular to a ternary composite filler of glass fiber powder / polypyrrole / Ti3C2TxMXene, a preparation method and application. Background technique [0002] Along with the production and application of steel, the waste caused by metal corrosion has increasingly become a focus worthy of attention. Usually, the chemical or electrochemical interaction between metal and its surrounding environment makes it unable to meet the application in real life, which is called corrosion. Underground transportation pipelines leak oil due to rust, and warships in the water can only be parked at the dock for maintenance due to seawater corrosion, etc. are common metal corrosion phenomena. These common corrosions not only have a direct impact on our economy, but are more likely to affect our lives. For example, a driving motor vehicle is out of control due to corrosion of parts, resulting in a car accident, and...

Claims

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Application Information

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IPC IPC(8): C09D5/08C09D163/00
CPCC08K2201/011C09D5/08C09D163/00C08K9/08C08K7/14C08K3/14
Inventor 金玲王亮乔红斌高宏夏友谊杨建国
Owner ANHUI UNIVERSITY OF TECHNOLOGY
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