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High-performance building material and preparation method therefor

A building material and high-performance technology, applied in the field of high-performance building materials and its preparation, can solve the problems of insufficient compression resistance and flexural strength

Inactive Publication Date: 2020-01-17
FUJIAN CHUANZHENG COMM COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides a high-performance building material and its preparation method to solve the problem that the compressive and flexural strength of the mortar specimen made of the existing cement mortar is not high enough

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0027] The preparation method of the high-performance building material comprises the following steps:

[0028] (1) put the graphene oxide of parts by weight into water for ultrasonic dispersion, the sheet diameter of the graphene oxide is 0.03-2.6 μm, the oxygen content rate is 25-36%, and the number of layers is 3-6 layers , the ultrasonic power is 600-1000W, the frequency is 200-300KHz, the ultrasonic dispersion time is 22-28min, and the graphene oxide dispersion is obtained;

[0029] (2) When the stirring speed is 200-300r / min, the basalt fiber of the weight part is added in the graphene oxide dispersion liquid that step (1) makes in 3-4min, and the keeping speed is 200-300r / min After continuously stirring and mixing for 3-5 hours under min, a mixed solution of graphene oxide and basalt fiber is obtained, and the mixed solution is treated at 94-103° C. for 2-4 hours to obtain graphene basalt fiber;

[0030] (3) Preparation of β-caryophyllene-maleic anhydride copolymer: in...

Embodiment 1

[0033] A high-performance building material, in parts by weight, including the following raw materials: 86 parts of cement, 52 parts of stone waste artificial sand, 18 parts of kaolin, 10 parts of montmorillonite, 4 parts of water reducing agent, 12 parts of mica, acrylic acid 12 parts of triol, 4 parts of graphene oxide, 9 parts of basalt fiber, 3 parts of sodium fluoride, 8 parts of β-caryophyllene-maleic anhydride copolymer, 22 parts of calcium bicarbonate, 6 parts of sulfuric acid, 65 parts of water;

[0034] The water reducer is a polycarboxylate water reducer;

[0035] The concentration of the sulfuric acid is 2mol / L;

[0036]The preparation method of the high-performance building material comprises the following steps:

[0037] (1) put the graphene oxide of parts by weight into water for ultrasonic dispersion, the sheet diameter of the graphene oxide is 0.15-2.2 μm, the oxygen content rate is 32%, the number of layers is 4-6 layers, ultrasonic The power is 1000W, the ...

Embodiment 2

[0042] A high-performance building material, in parts by weight, comprising the following raw materials: 67 parts of cement, 50 parts of stone waste artificial sand, 12 parts of kaolin, 8 parts of montmorillonite, 3 parts of water reducing agent, 10 parts of mica, acrylic acid 8 parts of triol, 3 parts of graphene oxide, 7 parts of basalt fiber, 2 parts of sodium fluoride, 6 parts of β-caryophyllene-maleic anhydride copolymer, 20 parts of calcium bicarbonate, 7 parts of sulfuric acid, 60 parts of water;

[0043] The water reducer is a polycarboxylate water reducer;

[0044] The concentration of the sulfuric acid is 1.5mol / L;

[0045] The preparation method of the high-performance building material comprises the following steps:

[0046] (1) put the graphene oxide of parts by weight into water for ultrasonic dispersion, the sheet diameter of the graphene oxide is 0.1-2.3 μm, the oxygen content is 28%, the number of layers is 3-5 layers, ultrasonic The power is 700W, the frequ...

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Abstract

The invention discloses a high-performance building material. The high-performance building material comprises the following raw materials in parts by weight: 62-95 parts of cement, 45-56 parts of stone-waste artificial sand, 12-20 parts of kaolin, 8-14 parts of montmorillonite, 3-6 parts of water reducer, 9-16 parts of mica, 7-13 parts of glycerol, 3-5 parts of graphene oxide, 6-10 parts of basalt fibers, 2-4 parts of sodium fluoride, 6-10 parts of beta-caryophyllene-maleic anhydride copolymer, 16-25 parts of calcium bicarbonate, 4-8 parts of sulfuric acid and 52-78 parts of water. Compression strength and folding strength of mortar test pieces prepared by adopting the building material disclosed by the invention are obviously superior to those of mortar test pieces prepared in the priorart and are separately improved by at least 49.59% and 82.44%; and the high-performance building material can be used for solving the problems of the existing building materials that prepared mortar test pieces are not high enough in compression strength and folding strength and cannot meet the requirements of people on buildings.

Description

technical field [0001] The invention belongs to the technical field of building material preparation, and in particular relates to a high-performance building material and a preparation method thereof. Background technique [0002] Cement mortar, also known as mortar, is a building material mixed with inorganic cementitious material, fine aggregate and water in proportion. It is mostly used in masonry and plastering projects in building construction to achieve building structure and surface protection and decoration. Traditional mortar materials generally include cement, water, stone waste, artificial sand, etc. In order to improve the strength and crack resistance of the building structure mortar layer, gypsum, lime plaster or fibrous reinforcing materials can often be added. The surface of buildings made of cement mortar can maintain a certain strength in the early stage, but as time goes on, it is prone to cracking, leakage, peeling, etc. Studies have shown that moderate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/02
CPCC04B28/02C04B2201/50C04B14/04C04B14/106C04B14/104C04B2103/302C04B14/20C04B24/02C04B14/024C04B14/46C04B22/126C04B24/26C04B22/10C04B22/141
Inventor 杨开怀蓝敏俐傅枞春林燕清邹泽昌
Owner FUJIAN CHUANZHENG COMM COLLEGE
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