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Magnesium oxychloride cement aggregate and preparation method thereof

A technology of magnesium oxychloride cement and aggregate, applied in the field of cement materials, can solve the problems such as poor water resistance, easy deformation of products, returning to halogen and frosting, etc.

Inactive Publication Date: 2011-02-16
WUHAN IRON & STEEL (GROUP) CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the application process of magnesium oxychloride cement, there are problems such as brine return and frost, poor water resistance, and easy deformation of products, which limit the application of magnesium oxychloride cement

Method used

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  • Magnesium oxychloride cement aggregate and preparation method thereof
  • Magnesium oxychloride cement aggregate and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] The glass is crushed and sieved to obtain coarse glass with a mass percentage of 60% and a particle size greater than 40 mesh. Part of the coarse glass is crushed and sieved to obtain fine glass with a particle size of less than 160 meshes with a mass percentage of 50%. The above fine glass and coarse glass are mixed according to a mass ratio of 1:0.5 to obtain a glass mixture. Active magnesium oxide, magnesium chloride hexahydrate and glass mixture are mechanically stirred and mixed to obtain the magnesium oxychloride cement aggregate 1, wherein the mass ratio of magnesium oxide, magnesium chloride hexahydrate and glass mixture in the active magnesium oxide is 1:1 : 0.176.

[0017] The magnesium oxychloride cement aggregate 1 is cured by adding water at room temperature, its compressive strength is 56.3Mpa, and its mass loss in the abrasion resistance test is 1%. Under the same conditions, the blank magnesium oxychloride cement aggregate without adding glass was soli...

Embodiment 2

[0019] The glass is crushed and sieved to obtain coarse glass with a particle size greater than 40 mesh. Part of the coarse glass is crushed and sieved to obtain fine glass with a particle size of less than 160 mesh. The above fine glass and coarse glass are mixed according to a mass ratio of 1:0.1 to obtain a glass mixture. Active magnesium oxide, magnesium chloride hexahydrate and glass mixture are mechanically stirred and mixed to obtain the magnesium oxychloride cement aggregate 2, wherein the mass ratio of magnesium oxide, magnesium chloride hexahydrate and glass mixture in the active magnesium oxide is 1:0.9 : 0.5.

Embodiment 3

[0021] The glass is crushed and sieved to obtain coarse glass with a particle size greater than 40 mesh. Part of the coarse glass is crushed and sieved to obtain fine glass with a particle size of less than 160 mesh. The above fine glass and coarse glass are mixed according to a mass ratio of 1:0.01 to obtain a glass mixture. Active magnesium oxide, magnesium chloride hexahydrate and glass mixture are mechanically stirred and mixed to obtain the magnesium oxychloride cement aggregate 3, wherein the mass ratio of magnesium oxide, magnesium chloride hexahydrate and glass mixture in the active magnesium oxide is 1:1.1 : 1.

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Abstract

The invention provides magnesium oxychloride cement aggregate which comprises active magnesium oxide, magnesium chloride hexahydrate and glass, wherein the weight rate of magnesium oxide in the active magnesium oxide to the magnesium chloride hexahydrate to the glass is 1:0.9 to 1.1:0.1 to 1, part of glass is distributed in magnesium oxychloride cement and can generate brittle fracture for enhancing the strength of the magnesium oxychloride cement; the other part of the glass is distributed on the surface of the magnesium oxychloride cement for reinforcing the wear resistance of the magnesium oxychloride cement; and because the glass is used as a filler of the magnesium oxychloride cement, not only waste glass resources are thoroughly utilized but also the wear resistance and the strength of the magnesium oxychloride cement are better improved.

Description

technical field [0001] The invention belongs to the field of cement materials, and specifically refers to a magnesium oxychloride cement aggregate and a preparation method thereof. Background technique [0002] Magnesium oxychloride cement has many advantages, such as fast curing in air, high strength, good surface gloss, simple preparation process, short process, and low production cost. It is generally used in building materials, and it is non-toxic, tasteless, and Non-irritating, it can be made into a variety of non-burning bricks, tiles, boards, and imitation ceramic materials, which reduces environmental pollution and production energy consumption. It is a material that can replace wood and plastic. [0003] In the application process of magnesium oxychloride cement, there are problems such as brine return and blooming, poor water resistance, and easy deformation of products, which limit the application of magnesium oxychloride cement. However, in the field of decorati...

Claims

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Application Information

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IPC IPC(8): C04B9/20C04B9/02
CPCC04B9/02C04B9/20
Inventor 张正文张勇饶发明王姝娟
Owner WUHAN IRON & STEEL (GROUP) CORP
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