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Indoor high-intensity rapid-setting repairing material and preparation method therefor

A repair material and quick-setting technology, applied in the field of repair materials, can solve the problems of poor bond strength, low early strength, slow setting and hardening time, etc., and achieve the effect of good bond strength, high early strength and short setting time

Inactive Publication Date: 2015-12-23
ZHUO DA NEW MATERIAL TECH GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] However, the prior art has the following disadvantages: slow setting and hardening time, low early strength and poor bonding strength

Method used

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  • Indoor high-intensity rapid-setting repairing material and preparation method therefor
  • Indoor high-intensity rapid-setting repairing material and preparation method therefor

Examples

Experimental program
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Effect test

example 1

[0032] A high-strength quick-setting repair material for indoor use. The high-strength quick-setting repair material for indoor use is made of the following raw materials with a weight ratio:

[0033] Magnesium oxide 100 parts

[0034] 5 parts of fly ash

[0035] 10 parts borax

[0036] 15 parts of quartz sand

[0037] Potassium dihydrogen phosphate 40 parts

[0038] 10 parts of magnesium sulfate solution

[0039] 20 parts of water

[0040] Preparation method: mix magnesium oxide, fly ash, borax, and quartz sand in a blender evenly according to the ratio to obtain solid raw materials;

[0041] Mix potassium dihydrogen phosphate, magnesium sulfate and water evenly according to the ratio to obtain liquid raw materials;

[0042] The solid raw material and the liquid raw material are uniformly stirred in a mixer, and stirred at 60 rpm for 25 minutes to obtain a high-strength quick-setting repair material for indoor use.

example 2

[0044] A high-strength quick-setting repair material for indoor use. The high-strength quick-setting repair material for indoor use is made of the following raw materials with a weight ratio:

[0045] Magnesium oxide 100 parts

[0046] 10 parts of fly ash

[0047] 15 parts borax

[0048] 15 parts of quartz sand

[0049] Potassium dihydrogen phosphate 45 parts

[0050] 15 parts of magnesium sulfate solution

[0051] 20 parts of water

[0052] Preparation method: mix magnesium oxide, fly ash, borax, and quartz sand in a blender evenly according to the ratio to obtain solid raw materials;

[0053] Mix potassium dihydrogen phosphate, magnesium sulfate and water evenly according to the ratio to obtain liquid raw materials;

[0054] The solid raw material and the liquid raw material are uniformly stirred in a mixer, and stirred at 60 rpm for 25 minutes to obtain a high-strength quick-setting repair material for indoor use.

example 3

[0056] A high-strength quick-setting repair material for indoor use. The high-strength quick-setting repair material for indoor use is made of the following raw materials with a weight ratio:

[0057] Magnesium oxide 100 parts

[0058] 15 parts of fly ash

[0059] Borax 20 parts

[0060] 20 parts of quartz sand

[0061] Potassium dihydrogen phosphate 45 parts

[0062] 10 parts of magnesium sulfate solution

[0063] 25 parts of water

[0064] Preparation method: mix magnesium oxide, fly ash, borax, and quartz sand in a blender evenly according to the ratio to obtain solid raw materials;

[0065] Mix potassium dihydrogen phosphate, magnesium sulfate and water evenly according to the ratio to obtain liquid raw materials;

[0066] The solid raw material and the liquid raw material are uniformly stirred in a mixer, and stirred at 60 rpm for 25 minutes to obtain a high-strength quick-setting repair material for indoor use.

[0067]

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Abstract

The invention discloses an indoor high-intensity rapid-setting repairing material and a preparation method therefor. The repairing material is prepared from magnesium oxide, fly ash, borax, quartz sands, dihydric phosphate, a magnesium sulfate solution and water through uniform stirring. Compared with the prior art, the repairing material has excellent performances of short setting time, high early stage intensity, good bonding performance, high wear resistance, low dry shrinkage and the like.

Description

technical field [0001] The invention belongs to the field of repair materials, in particular to a high-strength quick-setting repair material for indoor use and a preparation method thereof. Background technique [0002] Concrete is a heterogeneous brittle material formed by mixing sand and gravel aggregates, cement, water and other materials. Due to a series of problems such as concrete construction and its own deformation and constraints, there are a large number of micropores in the hardened concrete. Low tensile strength and lack of toughness. Although these micropores are a kind of harmless cracks, after the concrete is subjected to loads, temperature differences, etc., the microcracks will continue to expand and connect, and eventually form macroscopic cracks that we can see with the naked eye. Once cracks appear in the concrete, It will not only provide convenient conditions for the external erosive medium to enter the concrete, accelerate the damage process, affect ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/10C04B18/08C04B22/14C04B22/08C04B103/22C04B111/72
CPCY02W30/91
Inventor 邝清林杨卓舒陆建兵
Owner ZHUO DA NEW MATERIAL TECH GRP
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