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Phosphate aerated concrete bonding agent

A technology of air-entrained concrete and phosphate, applied in the direction of climate sustainability, sustainable waste treatment, solid waste management, etc., can solve the problems affecting the service life of air-entrained concrete, hindering the promotion and application, etc. Good anti-corrosion performance and the effect of reducing project cost

Inactive Publication Date: 2011-11-16
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
Comparison scheme
Effect test

Embodiment 1

[0022] 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.

[0023]

Embodiment 2

[0025] 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.

[0026]

Embodiment 3

[0028] 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.

[0029]

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PUM

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Abstract

The invention relates to a phosphate aerated concrete bonding agent, which comprises the following components in part by weight: 100 parts of phosphate, 100 to 400 parts of metallic oxide, 5 to 100 parts of thickening time control agent and 15 to 300 parts of water. The phosphate aerated concrete bonding agent disclosed by the invention consists of metallic oxide powder, phosphate, the thickeningtime control agent, fly ash, fine ground slag and thickening agent. In the invention, phosphate cement adopted has the characteristics of quickly early cement hardening, high strength, stable volume,high corrosion resistance and the like. The addition of a large amount of fly ash and fine ground slag can reduce the construction cost and cost of the phosphate aerated concrete bonding agent and contribute to waste recycling and environment protection.

Description

[0001] technical field [0002] 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. [0003] technical background [0004] 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. [0005] Contents ...

Claims

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Application Information

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Patent Type & Authority Applications(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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