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Hydraulicity modulation aluminophosphate color cement

A technology of aluminophosphate cement and aluminophosphate, applied in the field of inorganic materials, can solve the problems of high alkalinity of colored Portland cement, limited performance by chemical nature, etc., achieve high color fastness, inhibit efflorescence, improve The effect of strength and durability

Inactive Publication Date: 2009-11-04
SHENZHEN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Due to the high alkalinity of colored Portland cement itself, the chemical nature limits the improvement of its performance

Method used

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  • Hydraulicity modulation aluminophosphate color cement
  • Hydraulicity modulation aluminophosphate color cement
  • Hydraulicity modulation aluminophosphate color cement

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0039] Embodiment 1, green aluminophosphate cement, the content of each component by weight percentage is:

[0040] Aluminophosphate cement: 89.0

[0041] Chromium Oxide Green Pigment: 3.4

[0042] Activated siliceous minerals (680°C roasted pyrophyllite): 6.7

[0043] Hydrophobic agent (aluminum phosphate / iron phosphate mixed in 1:1 ratio) 0.9

Embodiment 2

[0044] Embodiment 2, yellow aluminophosphate cement, the content of each component by weight percentage is:

[0045] Aluminophosphate cement: 85.0

[0046] Iron oxide yellow pigment: 7.0

[0047] Activated siliceous minerals (silica gel, Qingdao Ocean Chemical Factory): 7.0

[0048] Hydrophobic agent (calcium stearate): 1.0

Embodiment 3

[0049] Embodiment 3, red aluminophosphate cement, the content of each component by weight percentage is:

[0050] Aluminophosphate cement: 90.0

[0051] Scarlet Pigment: 1.0

[0052] Activated siliceous minerals (roasted pyrophyllite at 680°C): 6.0

[0053] Hydrophobic agent (acrylate): 1.9

[0054] The hydraulic modulation aluminophosphate colored cement of the present invention is a self-contained product. The so-called "modulation" refers to the "sintered" colored cement. There are no special requirements for the modulation process of the hydraulically modulated aluminophosphate colored cement of different colors.

[0055] When the colored aluminophosphate cement of the present invention is mixed with water in use, due to the "hydrophobic agent", it is better to use strong stirring under conditions, so as to enhance the plasticity of the slurry and facilitate the performance of the performance.

[0056] The pH value of the colored aluminophosphate cement slurry of the ...

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Abstract

The invention discloses a hydraulic modulation aluminophosphate colored cement, the content of each component in weight percent is: aluminophosphate cement, 85.0-92.0; activated siliceous mineral, 5.0-8.0; water repellent, 0.8-2.0; inorganic pigments, 1.0-8.0. The main component of the present invention is low-alkaline aluminophosphate cement, the hydration product of its hardened slurry does not contain Ca(OH)2, and the structure of the hydration product on the surface of the slurry can solid dissolve various anions, cations or ion groups , such as: Na+, CO32- and SO42-, etc., can inhibit efflorescence; its hardened slurry has good color and high color fastness, greater than 8.0, and improves the strength and durability of cement concrete. This improvement in performance is superior to other existing hydraulic color gelling materials at home and abroad.

Description

[technical field] [0001] The invention belongs to the field of inorganic materials, and relates to a special cementitious material capable of hydration and hardening that can be used for architectural decoration, in particular to a hydraulic modulation aluminophosphate colored cement. [Background technique] [0002] Most of the decorative cement used in construction at home and abroad is made of white Portland cement clinker, or white Portland cement and inorganic oxide pigments are blended or calcined to form colored Portland cement. It is characterized by a wide range of sources of raw materials, low cost, but poor performance. For example, the color is not bright, the color fastness is low, the phenomenon of efflorescence on the surface of the decoration is obvious, the strength of the hydration slurry is obviously reduced, and the coordination with nature is poor. The above-mentioned shortcomings make it unable to meet the needs of modern engineering decoration. Taking...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/06C04B22/00C04B22/16C04B24/08
CPCC04B2111/82C04B2111/2076C04B2111/1031C04B28/06
Inventor 丁铸邢锋胡佳山刘飚李仕群
Owner SHENZHEN UNIV
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