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Light aggregate concrete plate with flat and smooth surface and preparation method thereof

A technology of light aggregate concrete and smooth surface, applied in the field of building materials, can solve the problems of unfavorable environmental protection and economy, density increase, etc., and achieve the effect of avoiding light aggregate floating, low density, and reducing manufacturing cost.

Active Publication Date: 2021-01-12
FOSHAN DONGPENG CERAMIC +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the reduction of water consumption means that the density of the material increases. If a low-density lightweight aggregate concrete slab is to be obtained, it must be achieved by adding a large amount of light aggregate, which is not good for environmental protection and economy.

Method used

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  • Light aggregate concrete plate with flat and smooth surface and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] The lightweight aggregate concrete slab of this embodiment, such as figure 1 As shown, it includes a plate main body 1 and a magnetic light aggregate 2, and the magnetic light aggregate 2 is distributed on the bottom of the plate main body 1 through the guidance of a magnetic device. The preparation process is as follows:

[0046] A. Preparation of the magnetic light aggregate 2

[0047] Step A1, according to the mass percentage, mix and stir 5% hydroxypropyl methylcellulose, 3% sodium tripolyphosphate, 3% thermosetting water-based acrylic resin and 89% water at a stirring speed of 800 rpm, and homogenize into the first solution;

[0048] Step A2, adding nano-ferric iron tetroxide with a particle size of 10nm to the first solution in a small number of times, and then ultrasonically dispersed at 40KHz and 100W, and stirred continuously for 1 hour at a stirring speed of 600rpm to obtain a uniform first solution. Two solutions, the concentration of nano ferric oxide in th...

Embodiment 2

[0056] The lightweight aggregate concrete slab of this embodiment, such as figure 1 As shown, it includes a plate main body 1 and a magnetic light aggregate 2, and the magnetic light aggregate 2 is distributed on the bottom of the plate main body 1 through the guidance of a magnetic device. The preparation process is as follows:

[0057] A. Preparation of the magnetic light aggregate 2

[0058] Step A1, according to the mass percentage, 2% sodium carboxymethylcellulose, 4% sodium hexametaphosphate, 1% thermosetting water-based acrylic resin and 93% water were mixed and stirred at a stirring speed of 700 rpm, and homogenized into the first solution;

[0059] Step A2, adding nano-ferric iron tetroxide with a particle size of 50nm to the first solution in a small number of times, and then ultrasonically dispersed at 30KHz and 150W, and stirred continuously for 24 hours at a stirring speed of 400rpm to obtain a uniform first solution. Second solution, the concentration of nano fe...

Embodiment 3

[0067] The lightweight aggregate concrete slab of this embodiment, such as figure 1 As shown, it includes a plate main body 1 and a magnetic light aggregate 2, and the magnetic light aggregate 2 is distributed on the bottom of the plate main body 1 through the guidance of a magnetic device. The preparation process is as follows:

[0068] A. Preparation of the magnetic light aggregate 2

[0069] Step A1, according to the mass percentage, mix and stir 1% hydroxyethyl methyl fiber, 1% water glass, 2% thermosetting water-based acrylic resin and 96% water at a stirring speed of 400rpm, and homogenize into the first solution;

[0070] Step A2, adding nanometer iron ferric oxide with a particle size of 300nm to the first solution several times in a small amount, then ultrasonically dispersed at 50KHz and 120W, and stirred continuously for 15 hours at a stirring speed of 800rpm to obtain a uniform first solution. Second solution, the concentration of nano ferric oxide in the second s...

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Abstract

The invention discloses a light aggregate concrete plate with a flat and smooth surface and a preparation method thereof, the light aggregate concrete plate comprises a plate main body and a magneticlight aggregate, the magnetic light aggregate is distributed at the bottom of the plate main body, and the top surface of the plate main body is flat and smooth, wherein the magnetic light aggregate is prepared by adsorbing nano ferroferric oxide in particles of initial light aggregate, and the lightweight aggregate concrete plate is prepared from the following raw materials in percentage by mass:30 to 50% of cement, 10 to 20% of quartz powder, 0.05 to 0.15% of a water reducing agent, 0.05 to 0.15% of a first adhesive, 20 to 40% of water and 10 to 25% of the magnetic lightweight aggregate. According to the lightweight aggregate concrete plate with the flat and smooth surface, the magnetic lightweight aggregate is distributed at the bottom of the plate main body through the vibration effect and the magnetic force effect of the magnetic vibration table, so that the phenomenon that the lightweight aggregate floats upwards can be avoided without reducing the water amount and increasing the initial use amount of the lightweight aggregate, and the top surface of the lightweight aggregate concrete plate with the flat and smooth surface is flat and smooth; and subsequent plate surface decoration treatment is facilitated.

Description

technical field [0001] The invention relates to the field of building materials, in particular to a light aggregate concrete plate with a smooth surface and a preparation method thereof. Background technique [0002] Lightweight aggregate concrete slabs have excellent properties such as low density, less material consumed per unit volume during preparation, sound insulation and heat insulation, and are widely used in buildings. However, during the preparation process, due to the large difference in density between the light aggregate and other materials, if the state of the slurry is not properly controlled, it is easy to cause the light aggregate to float, resulting in uneven surface of the light aggregate concrete slab, insufficient Beautiful, this is one of the important factors that current light aggregate concrete slabs cannot be used for decorative slabs. [0003] Usually, to prevent the light aggregate in the light aggregate concrete slab from floating during the for...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B38/08C04B28/04C04B28/00C04B28/06
CPCC04B28/04C04B28/00C04B28/06C04B2111/40C04B24/386C04B24/2641C04B22/16C04B14/24C04B14/308C04B14/06C04B2103/302C04B38/08C04B14/185C04B18/027
Inventor 李智鸿曾德朝钟保民
Owner FOSHAN DONGPENG CERAMIC
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