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High-wear-resistant cement-based self-leveling mortar and preparation method thereof

A self-leveling mortar and cement-based technology, which is applied in the field of high wear-resistant cement-based self-leveling mortar and its preparation, can solve the problem of low surface wear resistance and achieve good surface wear resistance and good fluidity

Active Publication Date: 2013-04-17
GUANGZHOU SUPER CHEM COATING CO LTDGUANGZHOU SUPER CHEM COATING CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The cement-based self-leveling mortar of the prior art needs to improve the properties urgently: surface wear resistance, the floor formed by the mortar construction of the prior art, the surface wear resistance is not high, and the fluidity and physical and mechanical properties are also poor. Urgent need for further improvement

Method used

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  • High-wear-resistant cement-based self-leveling mortar and preparation method thereof
  • High-wear-resistant cement-based self-leveling mortar and preparation method thereof
  • High-wear-resistant cement-based self-leveling mortar and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A high wear-resistant cement-based self-leveling cement mortar, its raw material formula is as follows in Table 1:

[0021]

[0022] Use the raw materials in the above table to make mortar, and the preparation method is as follows:

[0023] 1) Anti-rust treatment of iron sand: put iron sand in boiling sodium hydroxide solution with a concentration of 5wt% for 10 minutes, separate iron sand, and dry;

[0024] 2) Put the antirust-treated iron sand and other components of self-leveling mortar into the mixing kettle according to the ratio, stir for 20-50 minutes, and then discharge and pack.

Embodiment 2

[0026] A high wear-resistant cement-based self-leveling cement mortar, the composition of its raw materials is as follows in Table 2:

[0027]

[0028] Use the raw materials in the above table to make mortar, and the preparation method is as follows:

[0029] 1) Anti-rust treatment of iron sand: put iron sand in boiling sodium hydroxide solution with a concentration of 5wt% for 10 minutes, separate iron sand, and dry;

[0030] 2) Put the antirust-treated iron sand and other components of self-leveling mortar into the mixing kettle according to the ratio, stir for 20-50 minutes, and then discharge and pack.

Embodiment 3

[0032] A high wear-resistant cement-based self-leveling cement mortar, its raw material formula is as follows in Table 3:

[0033]

[0034] Use the raw materials in the above table to make mortar, and the preparation method is as follows:

[0035] 1) Anti-rust treatment of iron sand: put iron sand in boiling sodium hydroxide solution with a concentration of 5wt% for 10 minutes, separate iron sand, and dry;

[0036] 2) Put the anti-rust treated iron sand and other components of self-leveling mortar into the mixing kettle according to the proportion, stir for 20-50 minutes, and then discharge and pack.

[0037] The mortar of embodiment 1 is carried out relevant performance test (the standard of test is JC / T985-2005), and its test result is as follows:

[0038]

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Abstract

The invention discloses high wear-resistant cement-based self-leveling mortar. The high wear-resistant cement-based self-leveling mortar is prepared from the following raw materials in parts by weight: 8-20 parts of iron sand, 22-32 parts of ordinary portland cement, 4-8 parts of high alumina cement, 4-8 parts of expansion agent, 3-6 parts of anhydrite powder, 2-4 parts of dispersible adhesive powder, 20-40 parts of quartz sand, 10-20 parts of heavy calcium carbonate, 0.5-0.8 parts of water reducing agent, 0-6 parts of early strength agent, 0.1-0.2s part of retarding agent, 0.1-0.2 parts of lignocellulose and 0.1-0.2 parts of defoaming agent. A method for preparing the high wear-resistant cement-based self-leveling mortar comprises the following steps: 1) performing rust prevention treatment on the iron sand, namely placing the iron sand in boiled alkali liquor for 10-20 minutes, further separating the iron sand and drying; and 2) uniformly mixing the iron sand after the rust prevention treatment with other components of the self-leveling mortar. The mortar prepared by the invention has better flowability; and simultaneously, a terrace formed by construction of the mortar disclosed by the invention has better surface wear resistance.

Description

technical field [0001] The invention relates to a high wear-resistant cement-based self-leveling mortar and a preparation method thereof. Background technique [0002] Cement-based self-leveling mortar refers to a powdery material composed of cement-based cementitious materials, fine aggregates, fillers and additives. After mixing with water or emulsion, it has a certain fluidity for leveling the ground. In recent years, self-leveling cement has not only been widely used as a self-leveling material, but also has been greatly developed as a final finishing material. Some surface self-leveling cements are characterized by their smooth and consistent surface engineering effects. It has been recognized by the market and has been applied in underground parking lots, workshops, warehouses, shopping malls, exhibition halls, office buildings and commercial and residential buildings. [0003] The cement-based self-leveling mortar of the prior art needs to improve the properties urge...

Claims

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Application Information

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IPC IPC(8): C04B28/06C04B14/34
Inventor 周盾白李国荣陈岳林马超黄佩坚
Owner GUANGZHOU SUPER CHEM COATING CO LTDGUANGZHOU SUPER CHEM COATING CO LTD
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