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Lightweight building material and preparation method thereof

A building material and lightweight technology, applied in the field of building materials, can solve problems such as poor light-weight materials, and achieve the effect of improving rigidity

Inactive Publication Date: 2022-04-05
SHAOXING UNIV YUANPEI COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003]Aiming at the problems in the prior art, the present invention provides a light-weight building material, which solves the problem of poor effect of existing light-weight materials. The silanol group in the stone fiber and the hydroxyl group of aluminum hydroxide form shrinkage polymerization, cooperate with the doping structure of activated carbon in the sepiolite fiber to achieve good porous doping and lighten the building material

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] a lightweight building material

[0021] The quality proportioning of described lightweight building material is as follows:

[0022] Sepiolite fiber 20g, aluminum isopropoxide 10g, activated carbon 3g, sodium methyl silicate 2g, diatomaceous earth 20g, distilled water 10g, polyurethane resin 2g, cement 11g.

[0023] A preparation method for lightweight building materials, comprising the steps of:

[0024] Step 1: Add sepiolite fibers to distilled water and stir evenly to form a fiber suspension, then add activated carbon and sonicate at low temperature for 20 minutes to form a mixed suspension. The frequency is 40kHz and the temperature is 5°C;

[0025] Step 2, the mixed suspension is distilled under reduced pressure to form fiber powder and distilled water, the pressure of the reduced-pressure distillation is 70% of atmospheric pressure, and the temperature is 90°C;

[0026] Step 3: Add aluminum isoacetonate to ethanol and stir evenly, then add fiber powder, and pe...

Embodiment 2

[0031] a lightweight building material

[0032] The quality proportioning of described lightweight building material is as follows:

[0033] Sepiolite fiber 30g, aluminum isopropoxide 20g, activated carbon 3g, sodium methyl silicate 2g, diatomaceous earth 30g, distilled water 15g, polyurethane resin 4g, cement 15g.

[0034] A preparation method for lightweight building materials, comprising the steps of:

[0035] Step 1: Add sepiolite fibers to distilled water and stir evenly to form a fiber suspension, then add activated carbon and sonicate at low temperature for 30 minutes to form a mixed suspension. The stirring speed for stirring is 2000r / min, and the ultrasonic The frequency is 90kHz and the temperature is 10°C;

[0036] Step 2, the mixed suspension is distilled under reduced pressure to form fiber powder and distilled water, the pressure of the reduced-pressure distillation is 80% of atmospheric pressure, and the temperature is 100°C;

[0037] Step 3: Add aluminum iso...

Embodiment 3

[0042] a lightweight building material

[0043] The quality proportioning of described lightweight building material is as follows:

[0044] Sepiolite fiber 25g, aluminum isopropoxide 15g, activated carbon 5g, sodium methyl silicate 3g, diatomaceous earth 25g, distilled water 13g, polyurethane resin 3g, cement 13g.

[0045] A preparation method for lightweight building materials, comprising the steps of:

[0046] Step 1, add sepiolite fiber to distilled water and stir evenly to form a fiber suspension, then add activated carbon and sonicate at low temperature for 25 minutes to form a mixed suspension. The stirring speed of stirring is 1500r / min, and the ultrasonic The frequency is 70kHz and the temperature is 8°C;

[0047] Step 2, the mixed suspension is distilled under reduced pressure to form fiber powder and distilled water, the pressure of the reduced-pressure distillation is 75% of atmospheric pressure, and the temperature is 95°C;

[0048] Step 3: Add aluminum isoacet...

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Abstract

The invention discloses a light building material which comprises sepiolite fibers, aluminum isopropoxide, activated carbon, sodium methyl silicate, kieselguhr, distilled water, polyurethane and cement. The lightweight building material is prepared from the following components in parts by mass: 20 to 30 parts of sepiolite fiber, 10 to 20 parts of aluminum isopropoxide, 3 to 6 parts of activated carbon, 2 to 4 parts of sodium methyl silicate, 20 to 30 parts of diatomite, 10 to 15 parts of distilled water, 2 to 4 parts of polyurethane resin and 11 to 15 parts of cement. The problem that an existing light material is poor in effect is solved, silanol groups in sepiolite fibers and hydroxyl groups of aluminum hydroxide are utilized to form shrinkage polymerization, and a doping structure of activated carbon in the sepiolite fibers is matched, so that good porous doping is achieved, and the building material is lightened.

Description

technical field [0001] The invention belongs to the field of building materials, and in particular relates to a lightweight building material and a preparation method thereof. Background technique [0002] At present, according to the needs of the development of new residential structure systems, the use of light steel frame structure systems and their supporting assembled panels is promoted in China, and new types of large-bay load-bearing structures are researched and developed on the basis of summarizing and implementing large-bay load-bearing structures, especially Light steel structure thermal insulation energy saving lightweight anti-seismic wall panels are urgently becoming the needs of people and the needs of social progress and development, and it will surely become the mainstream of new wall materials. There are many kinds of lightweight wallboards manufactured and used in the known technology at present, but the main material is cement mortar, which still cannot e...

Claims

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Application Information

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IPC IPC(8): C04B28/00C04B38/08C04B111/40
CPCC04B28/00C04B38/08C04B2111/40C04B2201/50C04B2201/20C04B14/4643C04B24/40C04B14/02C04B24/42C04B14/08C04B24/282Y02W30/91
Inventor 陶红雨刘泓鑫
Owner SHAOXING UNIV YUANPEI COLLEGE
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