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Preparation method of attapulgite-carbon nitride-polyaniline composite material and application thereof in anticorrosive paint

A technology of attapulgite and composite materials, applied in anti-corrosion coatings, polyurea/polyurethane coatings, coatings, etc., can solve the problem of unsatisfactory mechanical properties of comprehensive performance of anti-corrosion coatings, restricting the popularization and application of polyaniline, dispersibility and adhesion problems such as poor performance, to achieve excellent physical barrier effect, low production cost, and the effect of preventing agglomeration

Inactive Publication Date: 2016-07-13
CHANGZHOU UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Benefits of technology

This patented technology describes making new types of composites that use specific elements like talcs or pumice stones called attaplurium sandwiched between layers containing aminonitrile resins. These compositions show improved resistance against erosion compared to existing methods due to their unique structures formed from these components. Additionally, they provide various benefits for applications related to antirusting coatings.

Problems solved by technology

The technical problem addressed in this patents relates to finding an improved type of antirust material that can effectively prevent damage on steel structures without containing harmful substances like chrome plummetal.

Method used

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  • Preparation method of attapulgite-carbon nitride-polyaniline composite material and application thereof in anticorrosive paint
  • Preparation method of attapulgite-carbon nitride-polyaniline composite material and application thereof in anticorrosive paint
  • Preparation method of attapulgite-carbon nitride-polyaniline composite material and application thereof in anticorrosive paint

Examples

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Embodiment 1

[0020] Proportioning each component according to the following mass percentages:

[0021]

[0022]

[0023] Wherein, the preparation method of above-mentioned attapulgite / carbon nitride / polyaniline composite material is:

[0024] (1) Prepare a dispersion containing aniline and graphite phase carbon nitride, wherein the concentration of aniline is 0.3 mol / L, and the concentration of carbon nitride is 10 mg / mL, stir well and pre-cool to 0°C;

[0025] (2) Prepare ammonium persulfate aqueous solution and pre-cool to 0°C, wherein the concentration of ammonium persulfate is 0.3mol / L;

[0026] (3) Fully disperse attapulgite in deionized water to prepare a slurry with a mass concentration of 3g / 100mL, add the dispersion obtained in step (1) to the slurry, stir evenly, and then Next, add the ammonium persulfate aqueous solution obtained in step (2), react at 0°C for 4 hours, filter, wash, dry and grind to 150 mesh to prepare the attapulgite / carbon nitride / polyaniline composite m...

Embodiment 2

[0030] Proportioning each component according to the following mass percentages:

[0031]

[0032] Wherein, the preparation method of above-mentioned attapulgite / carbon nitride / polyaniline composite material is:

[0033] (1) Prepare a dispersion containing aniline and graphite phase carbon nitride, wherein the concentration of aniline is 0.35 mol / L, and the concentration of carbon nitride is 20 mg / mL, stir well and pre-cool to 0°C;

[0034] (2) Prepare ammonium persulfate aqueous solution and pre-cool to 0°C, wherein the concentration of ammonium persulfate is 0.35mol / L;

[0035] (3) Fully disperse attapulgite in deionized water to prepare a slurry with a mass concentration of 3.5g / 100mL, add the dispersion obtained in step (1) to the slurry, stir evenly, and then stir state, add the ammonium persulfate aqueous solution obtained in step (2), react at 0°C for 4h, filter, wash, dry and grind to 200 mesh, and obtain the attapulgite / carbon nitride / polyaniline composite materia...

Embodiment 3

[0039] Proportioning each component according to the following mass percentages:

[0040]

[0041] Wherein, the preparation method of above-mentioned attapulgite / carbon nitride / polyaniline composite material is:

[0042] (1) Prepare a dispersion containing aniline and graphite phase carbon nitride, wherein the concentration of aniline is 0.4 mol / L, and the concentration of carbon nitride is 30 mg / mL, stir well and pre-cool to 1 °C;

[0043] (2) Prepare ammonium persulfate aqueous solution and pre-cool to 1°C, wherein the concentration of ammonium persulfate is 0.4mol / L;

[0044] (3) Fully disperse attapulgite in deionized water to prepare a slurry with a mass concentration of 4g / 100mL, add the dispersion obtained in step (1) to the slurry, stir evenly, and then Next, add the aqueous solution of ammonium persulfate obtained in step (2), react at 1°C for 4 hours, filter, wash, dry and grind to 250 mesh to prepare the attapulgite / carbon nitride / polyaniline composite material,...

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Abstract

The invention belongs to the field of anticorrosive paint, and particularly relates to a preparation method of an attapulgite-carbon nitride-polyaniline composite material and anticorrosive paint containing the composite material.The anticorrosive paint is prepared through the steps that one-dimensional attapulgite and two-dimensional graphite-phase carbon nitride are taken as a composite nuclear body material, aniline is polymerized on the surface of the composite nuclear body material to prepare attapulgite-carbon nitride-polyaniline composite anticorrosive packing, and then the attapulgite-carbon nitride-polyaniline composite anticorrosive packing is mixed with polyurethane, a coloring pigment, packing, a dispersing agent, a flatting agent, a defoaming agent and water to prepare the anticorrosive paint.The attapulgite-carbon nitride-polyaniline composite material is applied to the anticorrosive paint and has the multiple effects of preventing electrochemical corrosion and physical corrosion, enhancing the mechanical performance of a coating and the like.

Description

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Claims

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Application Information

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Owner CHANGZHOU UNIV
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