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A kind of preparation method of high-strength nanoscale building material

A building material, nano-scale technology, applied in the field of building materials, can solve the problems of easy hollowing, easy cracking, etc., achieve the effect of no three wastes, high bonding effect, and easy cracking

Active Publication Date: 2020-06-09
SHAOXING UNIVERSITY
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a preparation method of high-strength nanoscale building materials. The present invention has higher bonding effect, compressive strength and impact strength, and effectively solves the problems of easy cracking and hollowing in traditional building materials. question

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A preparation method of a high-strength nanoscale building material, the quality formula of which is as follows:

[0024] 20 parts of barium aluminate cement, 20 parts of nano-silicon nitride, 14 parts of carbon fiber powder, 30 parts of ethyl silicate solution, 40 parts of ethanol aqueous solution, 3 parts of dispersant, 10 parts of nano-kaolinite, and 15 parts of nano-silica sol.

[0025] Described ethanol aqueous solution adopts the aqueous solution that ethanol concentration is 40%.

[0026] The ethyl silicate solution is an ethanol solution with a mass concentration of ethyl silicate of 35%.

[0027] The dispersant adopts polyvinylpyrrolidone.

[0028] The preparation method of the building material is as follows:

[0029] Step 1, put nano-silicon nitride, carbon fiber powder and nano-kaolin in a stirred tank, vibrate and grind for 2 hours, then dry, put them in a muffle furnace for high-temperature sintering for 3 hours, and obtain a mixed powder after natural c...

Embodiment 2

[0038] A preparation method of a high-strength nanoscale building material, the quality formula of which is as follows:

[0039] 30 parts of barium aluminate cement, 40 parts of nano-silicon nitride, 30 parts of carbon fiber powder, 45 parts of ethyl silicate solution, 50 parts of ethanol aqueous solution, 10 parts of dispersant, 18 parts of nano-kaolinite, and 20 parts of nano-silica sol.

[0040] Described ethanol aqueous solution adopts the aqueous solution that ethanol concentration is 70%.

[0041] The ethyl silicate solution is an ethanol solution with a mass concentration of ethyl silicate of 60%.

[0042] The dispersant adopts polyvinylpyrrolidone.

[0043] The preparation method of the building material is as follows:

[0044] Step 1, put nano-silicon nitride, carbon fiber powder and nano-kaolin in a stirred tank, vibrate and grind for 4 hours, then dry, put them in a muffle furnace for high-temperature sintering for 5 hours, and obtain a mixed powder after natural ...

Embodiment 3

[0053] A preparation method of a high-strength nanoscale building material, the quality formula of which is as follows:

[0054] 25 parts of barium aluminate cement, 30 parts of nano-silicon nitride, 19 parts of carbon fiber powder, 35 parts of ethyl silicate solution, 45 parts of ethanol aqueous solution, 5 parts of dispersant, 16 parts of nano-kaolinite, and 17 parts of nano-silica sol.

[0055] Described ethanol aqueous solution adopts the aqueous solution that ethanol concentration is 50%.

[0056] The ethyl silicate solution adopts an ethanol solution whose mass concentration of ethyl silicate is 50%.

[0057] The dispersant adopts polyvinylpyrrolidone.

[0058] The preparation method of the building material is as follows:

[0059] Step 1, put nano-silicon nitride, carbon fiber powder and nano-kaolin in a stirred tank, vibrate and grind for 3 hours, then dry, put them in a muffle furnace for high-temperature sintering for 4 hours, and obtain a mixed powder after natural ...

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Abstract

The invention discloses a preparation method of a high-strength nanoscale building material. The building material contains the following components according to the weight formula: 20-30 parts of barium aluminate cement, 20-40 parts of nano-silicon nitride, 14-30 parts of carbon fiber powder, 30-45 parts of an ethyl silicate solution, 40-50 parts of an ethanol water solution, 3-10 parts of a dispersing agent, 10-18 parts of nano-kaolinite and 15-20 parts of nano-silica sol. The building material provided by the invention has a relatively high bonding effect, compressive strength and shock strength, so that the problems that a traditional building material is easily cracked and hollowed are effectively solved.

Description

technical field [0001] The invention belongs to the technical field of building materials, and in particular relates to a preparation method of high-strength nanoscale building materials. Background technique [0002] Insulation mortar is a kind of ready-mixed dry powder mortar made of various light materials as aggregate, cement as cement, mixed with some modified additives, and mixed by the production enterprise. It is used to construct the insulation layer of the building surface a building material. With the continuous promotion of low-carbon environmental protection and building energy conservation and the continuous improvement of people's demand for the comfort of the living environment, people pay more and more attention to thermal insulation mortar. Many applications, but compared with developed countries, the existing insulation mortar still has the disadvantage of low strength, and it is prone to problems such as hollowing and cracking. Contents of the inventio...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/06
Inventor 陶红雨赵志海
Owner SHAOXING UNIVERSITY