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Phosphate aerated concrete bonding agent

A technology of aerated concrete and interface agent, applied in climate sustainability, sustainable waste treatment, solid waste management, etc. The effect of good corrosion resistance and lower project cost

Inactive Publication Date: 2013-03-06
HOHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Seriously affect the service life of air-entrained concrete and hinder its promotion and application

Method used

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  • Phosphate aerated concrete bonding agent

Examples

Experimental program
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Effect test

Embodiment 1

[0017] The composition and proportion of the phosphate air-entrained concrete interface agent in this example are: 100 parts of ammonium dihydrogen phosphate; 400 parts of dead-burned magnesium; 48 parts of borax; and 65 parts of water, in parts by weight. Mix dead-burned magnesium, ammonium dihydrogen phosphate and borax evenly according to the above ratio, add stirring water and stir fully in a mixer to obtain a phosphate air-entrained concrete interface agent.

Embodiment 2

[0019] The components of the phosphate air-entrained concrete interface agent in this embodiment and the ratio of use are: 100 parts of potassium dihydrogen phosphate; 200 parts of dead-burned magnesium; 60 parts of fly ash; 40 parts of borax; 3 parts of methyl cellulose; made in parts by weight. Mix dead-burned magnesium, potassium dihydrogen phosphate, borax, fly ash and methyl cellulose evenly according to the above ratio, add stirring water and stir fully in a mixer to obtain a phosphate aerated concrete interface agent.

Embodiment 3

[0021] The components of the interface agent for phosphate air-entrained concrete in this embodiment and the ratio of use are: 100 parts of ammonium dihydrogen phosphate; 400 parts of dead-burned magnesium; 50 parts of fly ash; 50 parts of ground slag; 5 parts of sodium cellulose; 120 parts of water, in parts by weight. Mix dead-burned magnesium, ammonium dihydrogen phosphate, borax, fly ash, finely ground slag and sodium carboxymethyl cellulose evenly according to the above ratio, add stirring water and stir fully in a mixer to obtain a phosphate aerated concrete interface agent.

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Abstract

The invention relates to a phosphate air-entrained concrete interface agent, whose components and proportions are in parts by weight: 100 parts of phosphate; 100-400 parts of metal oxide; 5-100 parts of coagulation regulator; and 15-300 parts of water. The present invention is composed of metal oxide powder, phosphate, coagulant, fly ash, finely ground slag and thickener; the present invention uses phosphate cement, which has fast early hardening, high strength and stable volume , good corrosion resistance and so on. Adding a large amount of fly ash and finely ground slag can reduce the engineering cost of the phosphate air-entrained concrete interface agent, save costs, and achieve the purpose of recycling waste and environmental protection.

Description

technical field [0001] The invention relates to the technical field of building material engineering, in particular to an aerated concrete interface agent, in particular to a phosphate aerated concrete interface agent. technical background [0002] Air-entrained concrete is not only light in weight, heat-insulating, sound-insulating, fire-resistant, and convenient for construction, but also consumes a large amount of industrial waste, which is conducive to environmental protection. Air-entrained concrete itself is porous and has a high water absorption rate, which causes the plastering mortar to lose water and shrink. It is prone to cracking and hollowing under external constraints. Seriously affect the service life of air-entrained concrete, hinder its popularization and application. Therefore, it is necessary to provide an interface agent with low water absorption, fast early hardening, high strength and stable volume to treat it. Contents of the invention [0003] Te...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/34
CPCC04B40/0039C04B2103/44Y02W30/91C04B14/30C04B18/08C04B18/141C04B22/0013C04B22/16C04B28/02C04B14/104C04B24/383
Inventor 李中华苏超蒋亚清
Owner HOHAI UNIV
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