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Multielement silicon-aluminium composite material and preparation method thereof

A silicon-aluminum composite material and multiple technologies, applied in clay products, other household appliances, household appliances, etc., can solve the problem of large fluctuations in chemical composition, microstructure and active ingredients, difficult to make performance products, restricting promotion and application, etc. problems, to achieve the effect of low cost, improved toughness and strength, and a wide range of applications

Inactive Publication Date: 2010-09-29
SHANGHAI FUJIAJIA NEW GREENHOUSE DESIGN MAKING
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this gelling material also has disadvantages: due to the large fluctuations in chemical composition, microstructure and active components, it is difficult to make products with stable performance, especially the products have low toughness and high brittleness, which restricts this. promotion and application of materials

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] 1. Calcinate kaolin and coal gangue at 700°C for 2 hours, the particle size is 600 mesh, weigh 10kg of calcined kaolin, 10kg of calcined coal gangue, 10kg of 400 mesh slag, and 15kg of 300 mesh fly ash , mixed and stirred, as a component.

[0021] 2. Weigh 5.5 kg of sodium hydroxide solution with a concentration of 10 mol / L, mix and stir with 8 kg of sodium silicate solution with a modulus of 3, and let it stand for 24 hours as component B.

[0022] 3. Weigh 2 kg of alkali-resistant glass fiber with a length of 2 cm, and 1 kg of short PVA fiber with a length of 2 cm, and mix them as component C.

[0023] 4. Mix and stir the three components A, B and C, put them into a vacuum extruder and press them into shape, seal the extruded product with a plastic film; let it stand at room temperature for 24 hours, and then use 60°C steam curing for 24 hours After that, move it to a place at room temperature and leave it for a month.

Embodiment 2

[0025] 1. Calcinate kaolin and coal gangue at 650°C for 2 hours, the particle size is 200 mesh, weigh 20kg of calcined kaolin, 20kg of 300 mesh fly ash, 5kg of silica fume, 15kg of 400 mesh slag, mix and stir, as a component.

[0026] 2. Weigh 10kg of sodium hydroxide solution with a concentration of 12mol / L, mix and stir with 20kg of sodium silicate solution with a modulus of 2, and let it stand for 24 hours as component B.

[0027] 3. Weigh 3 kg of alkali-resistant glass fiber with a length of 2 cm, and 3 kg of short PVA fiber with a length of 2 cm, and mix them as component C.

[0028] 4. Mix and stir the three components A, B and C, put them into a vacuum extruder and press them into shape, seal the extruded product with a plastic film; let it stand at room temperature for 24 hours, and then use 60°C steam curing for 24 hours After that, move it to a place at room temperature and leave it for a month.

Embodiment 3

[0030] 1. Calcinate kaolin and coal gangue at 750°C for 2 hours, the particle size is 300 mesh, weigh 40 kg of calcined kaolin, and weigh 10 kg of 400 mesh slag and mix them as component A.

[0031] 2. Weigh 25 kg of sodium hydroxide solution with a concentration of 14 mol / L, mix and stir with 25 kg of sodium silicate solution with a modulus of 2.6, and let it stand for 24 hours as component B.

[0032] 3. Weigh 3 kg of 1 cm long alkali-resistant glass fiber and 7 kg of 1 cm long PVA short fiber, and mix them as component C.

[0033] 4. Mix and stir the three components A, B and C, put them into a vacuum extruder and press them into shape, seal the extruded product with a plastic film; let it stand at room temperature for 24 hours, and then use 60°C steam curing for 24 hours After that, move it to a place at room temperature and leave it for a month.

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Abstract

The invention discloses a multielement silicon-aluminium composite material containing the following components in weight ratio: 1 part of component A, 0.3-1 part of component B and 0.05-0.2 part of component C, wherein the component A is powdery raw material which is a multielement silicon-aluminium mixture taking kaolin as the main component; the component B is a liquid raw material which is the mixture of sodium silicate and sodium hydroxide; and the component C is reinforcing fibers. The multielement silicon-aluminium composite material improves toughness and strength. The composite material has the characteristics of low-carbon discharge, low energy consumption, low permeability, low thermal conductivity, high temperature resistance, corrosion resistance, wide material drawing range, simple process, low cost and the like and also has the unique performance of being recycled, thereby having very wide application range, not only part of cement products but also being capable of replacing part of metals and ceramics, being used for products of structural parts, mould materials and the like, also being used for underground corrosion resistance pipelines and also having wide application prospect in the fields of communication facilities, road bridges, military installations and the like.

Description

technical field [0001] The invention relates to a novel inorganic non-metallic material, specifically a multi-element silicon-aluminum composite material, and a preparation method of the material. Background technique [0002] In 1985, the French scientist J.Davidovits proposed a method of utilizing clay to prepare cementitious materials. The unique advantages of high energy consumption and low pollution have gradually been used in the production of building materials and construction projects. However, this gelling material also has disadvantages: due to the large fluctuations in chemical composition, microstructure and active components, it is difficult to make products with stable performance, especially the products have low toughness and high brittleness, which restricts this. promotion and application of materials. Contents of the invention [0003] The object of the present invention is to provide a novel multi-component silicon-aluminum composite material to solv...

Claims

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Application Information

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IPC IPC(8): C04B33/00
Inventor 赵振寰周慧贞周伟戚国林
Owner SHANGHAI FUJIAJIA NEW GREENHOUSE DESIGN MAKING
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