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A carbon nano additive for improving the comprehensive performance of cement concrete and its preparation method

A technology for cement concrete and comprehensive performance, which is used in the preparation of concrete additives, carbon nano-additives for improving the comprehensive performance of cement concrete and the field of preparation thereof, can solve the problems of normal road operation loss, inability to meet traffic load, damage, etc. Abrasion, improving alkali resistance and organic solvent resistance, and enhancing the effect of bending and tensile properties

Active Publication Date: 2022-04-29
海南鸥凯科技工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, with the increasing domestic traffic volume, the ordinary cement concrete pavement can no longer meet the requirements of traffic load
Especially under heavy load conditions, the cement concrete pavement is often damaged in advance due to various disasters before reaching the expected service life, causing incalculable losses to the normal operation of the road

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0026] A carbon nano-additive for improving the comprehensive performance of cement concrete, characterized in that it is composed of the following mass ratio components: 23 parts of brucite nanofibers, 24 parts of supramolecular polyethylene, porous polystyrene nano-silicon dioxide nano-materials 13 parts, 14 parts of nano graphene oxide, 3 parts of nano cobalt oxide, 4 parts of nano silicon dioxide, 4 parts of itaconic acid, 15 parts of calcium sulfate;

[0027] A preparation method of a carbon nano additive for improving the comprehensive performance of cement concrete, comprising the following steps:

[0028] (1) After grinding the brucite fiber material with a length of 9-15mm and a diameter of 8-10 μm into a micron level, disperse it in 35% (v / v) choline chloride-glucose-water deep eutectic solvent-water In the mixed solution, after wet grinding, filtering, washing and drying to obtain brucite nanofibers;

[0029] (2) put C 4 The modified nano-silica was mixed with wat...

Embodiment 2

[0032] A carbon nano-additive for improving the comprehensive performance of cement concrete, characterized in that it is composed of the following mass ratio components: 22 parts of brucite nanofibers, 22 parts of supramolecular polyethylene, porous polystyrene nano silicon dioxide nano 12 parts of materials, 13 parts of nano graphene oxide, 4 parts of nano cobalt oxide, 4 parts of nano silicon dioxide, 5 parts of itaconic acid, 17 parts of calcium sulfate;

[0033] A kind of preparation method of the carbon nano-additive that improves cement concrete anti-comprehensive performance, comprises the following steps:

[0034] (1) After grinding the brucite fiber material with a length of 9-15mm and a diameter of 8-10 μm into a micron level, disperse it in 40% (v / v) L-proline-glucose-water deep eutectic solvent- In the water mixture, after wet grinding, filtering, washing, and drying to obtain brucite nanofibers;

[0035] (2) put C 4 The modified nano-silica was mixed with water...

Embodiment 3

[0038] A carbon nano-additive for improving the comprehensive performance of cement concrete, characterized in that it is composed of the following mass ratio components: 20 parts of brucite nanofibers, 24 parts of supramolecular polyethylene, porous polystyrene nano silicon dioxide nano 13 parts of materials, 12 parts of nano graphene oxide, 3 parts of nano cobalt oxide, 3 parts of nano silicon dioxide, 4 parts of itaconic acid, 21 parts of calcium sulfate;

[0039] A kind of preparation method of the carbon nano-additive that improves cement concrete anti-comprehensive performance, comprises the following steps:

[0040] (1) After grinding the brucite fiber material with a length of 9-15mm and a diameter of 8-10 μm into a micron level, disperse it in 35% (v / v) L-proline-glucose-water deep eutectic solvent- In the water mixture, after wet grinding, filtering, washing, and drying to obtain brucite nanofibers;

[0041] (2) put C 4 The modified nano-silica was mixed with water...

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Abstract

The invention relates to a preparation method of a concrete additive, in particular to a carbon nano additive for improving the comprehensive performance of cement concrete and a preparation method thereof, belonging to the field of building material additives. The additive of the present invention is composed of the following mass ratio components: 15-25 parts of brucite nanofibers, 20-25 parts of supramolecular polyethylene, 10-15 parts of organic-inorganic polymer materials, and 10-15 parts of functional nano-carbon materials 5-8 parts of nano inorganic matter, 3-5 parts of itaconic acid, 15-30 parts of calcium sulfate. The invention also provides a carbon nanometer additive for improving the comprehensive performance of cement concrete and a preparation method thereof. The prepared additive can effectively improve various performances such as corrosion resistance, compression resistance and wear resistance of cement.

Description

technical field [0001] The invention relates to a preparation method of a concrete additive, in particular to a carbon nano additive for improving the comprehensive performance of cement concrete and a preparation method thereof, belonging to the field of building material additives. Background technique [0002] Due to the low cost of cement concrete production materials, and its high compressive strength and structural stability, it is widely used in domestic road construction. However, with the increasing domestic traffic volume, ordinary cement concrete pavement can no longer meet the requirements of traffic load. Especially under heavy load conditions, the cement concrete pavement is often damaged in advance due to various disasters before reaching the expected service life, causing incalculable losses to the normal operation of the road. Therefore, the development of functional additives is of great significance to improve the comprehensive performance of cement concr...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B24/26
CPCC04B40/0039C04B14/38C04B24/2611C04B24/2676C04B14/06C04B14/024C04B24/04C04B22/143
Inventor 李可昕
Owner 海南鸥凯科技工程有限公司
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