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Wall material composite material

A wall material and composite material technology, applied in the field of wall material composite materials, can solve the problems of not achieving rapid hardening and high strength, reducing thermal conductivity and dry density, achieving high early strength, reducing bulk density, improving thermal insulation performance and The effect of sound insulation performance

Inactive Publication Date: 2020-06-19
UNIV OF JINAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The wall material is made of inorganic materials as the main component by foaming. The wall material can effectively reduce the thermal conductivity and dry density, but the blocks need to be poured and formed, which cannot meet the requirements of fast hardening and high strength.

Method used

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  • Wall material composite material

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preparation example Construction

[0033] The present invention also provides a preparation method for the wall material composite described in the above technical solution, comprising the following steps:

[0034] Ordinary portland cement, sulphoaluminate cement, hemihydrate gypsum, anhydrous gypsum, filling aggregate, water reducing agent, reinforcing agent, water repellent agent and thickener are mixed to obtain the composite wall material.

[0035] In the present invention, the order of mixing is preferably to mix Portland cement, sulphoaluminate cement, hemihydrate gypsum, anhydrite and filler aggregate, and then mix with water reducing agent, reinforcing agent, hydrophobic Mixing agent and thickener. In the present invention, the mixing method is preferably stirring. The present invention has no special limitation on the specific operating conditions of the stirring, as long as the raw materials can be mixed evenly.

[0036] In the present invention, the method for applying the wall material composite p...

Embodiment 1

[0043] A kind of wall material composite material, by weight percentage, comprises the following components:

[0044] 2% ordinary Portland cement, 5% sulfoaluminate cement, 65% β-type hemihydrate gypsum, 5% anhydrite, 20% filler aggregate (the mass ratio of slag and fly ash is 2:1, slag and fly ash have a specific surface area of ​​300m 2 / g), 1.3% polycarboxylate superplasticizer, 1% triethanolamine, 0.5% SHP-50 polysiloxane and 0.2% xanthan gum.

[0045] The above components are mixed to obtain a wall material compound.

Embodiment 2

[0047] A kind of wall material composite material, by weight percentage, comprises the following components:

[0048] 4% ordinary Portland cement, 7% sulphoaluminate cement, 57% β-type hemihydrate gypsum, 7% anhydrite, 22% filler aggregate (the mass ratio of silicomanganese slag and ferronickel slag is 1:1 , the specific surface area of ​​silicomanganese slag and ferronickel slag is 320m 2 / g), 1.8% polycarboxylate superplasticizer, 0.7% calcium formate, 0.4% SHP-50 polysiloxane and 0.1% methyl hydroxypropyl cellulose.

[0049] The above components are mixed to obtain a wall material compound.

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Abstract

The invention provides a wall material composite material, and belongs to the technical field of building materials. The wall material composite material comprises the following components in percentage by mass: 0.1%-6% of ordinary Portland cement, 0.1%-12% of sulphoaluminate cement, 40%-70% of semi-hydrated gypsum, 5%-15% of anhydrous gypsum, 15%-30% of a filling aggregate, 1%-3% of a water reducing agent, 0.2%-1.2% of a reinforcing agent, 0.1%-0.8% of a water repellent and 0.1%-0.3% of a thickening agent. The wall material composite material prepared by the invention has the characteristicsof controllable setting and hardening time, excellent mechanical properties, high early strength and continuously increased later strength.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a composite wall material. Background technique [0002] As a green building material, wall material has a series of advantages such as light weight, sound insulation, and heat preservation. However, the wall material production plant occupies a large area and the production cost is high; the raw material components used in the product are complex, and the product quality fluctuates greatly; the product condensation The time is long, the early strength is low, and the production efficiency is seriously affected. These factors limit the large-scale promotion of wall materials. [0003] CN107129205B discloses a wall material and its preparation method, wherein the wall material is mainly composed of cement, polyethylene glycol phase change heat storage particles, porous silica, foaming agent, fly ash, shrinkage reducing agent and modifier The mass ratio is (20-30):(10-2...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/16C04B111/52
CPCC04B28/16C04B2111/52C04B2201/20C04B2201/32C04B2201/50C04B7/02C04B7/32C04B22/145C04B18/08C04B18/141C04B18/144C04B18/12C04B2103/302C04B2103/44C04B2103/65C04B24/122C04B24/04C04B22/0013C04B22/10
Inventor 张德成柳超奇刘会泉王凯
Owner UNIV OF JINAN
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