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Self-leveling floor material and preparation method thereof

A leveling and cement technology, which is applied in the field of self-leveling floor materials and its preparation, can solve problems such as increased project cost, short service life, and influence on construction progress, and achieves improved impermeability and impact resistance, improved stability and use life, and the effect of improving overall performance

Inactive Publication Date: 2021-03-30
HUAXIN CEMENT +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The existing resin-coated floors are mainly epoxy resin-coated floors, but the effect of epoxy-coated floors in actual use is not ideal: it takes a long time to install, which affects the construction progress; Abrasion resistance, impact resistance, flexibility, etc. are not satisfactory, and the service life is short; at the same time, it is also lacking in chemical stability, UV resistance, color retention, gloss retention, etc., and resin coating The environmental protection of multi-layer floor is not high, and it is difficult to meet the requirements of occasions with high environmental protection requirements. At the same time, its cost is generally high, which increases the project cost
However, the emery wear-resistant floor cannot adopt the self-leveling construction process, and usually needs to carry out processes such as material spreading construction, troweling, finishing, curing, cutting and filling, and the process is complicated, which also limits its large-scale application.
It can be seen that there is a lack of an ideal self-leveling floor material in the current market.

Method used

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  • Self-leveling floor material and preparation method thereof

Examples

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preparation example Construction

[0038] The preparation method of the above-mentioned self-leveling floor material comprises the following steps:

[0039] Put the cement, silica fume, fly ash, stone powder, quartz sand and viscosity reducer in the mixing pot according to the formula, and stir for 2-3 minutes; add water, water reducer and shrinkage reducer, and stir for 5-8 minutes; add Toughening agent, stirred for 2-3 minutes, obtained from leveling floor materials.

Embodiment 1

[0041] A self-leveling floor material, comprising the following components by weight:

[0042] P.O 52.5 260 parts of ordinary Portland cement, 70 parts of silica fume, 40 parts of fly ash, 30 parts of stone powder, 430 parts of quartz sand, 7 parts of toughening agent, 10 parts of water reducing agent, 2 parts of shrinkage reducing agent, viscosity reducing agent 10 parts, 40 parts of water.

[0043] P.O 52.5 Ordinary Portland Cement has a specific surface area of ​​380m 2 / kg; the average particle size of silica fume is 0.2um, and the specific surface area is 17500m 2 / kg, the activity index is 106%, SiO 2 The mass content is 97%; the particle content of fineness less than 1um in silica fume is 88%; the fly ash is Class I fly ash, the sieve residue of 45μm square hole sieve is 8%, the loss on ignition is 3.5%, and the water demand The ratio is 90%; the stone powder is quartz powder, and the fineness of the stone powder is 400 mesh; the fineness modulus of quartz sand is 1....

Embodiment 2

[0048] A self-leveling floor material, comprising the following components by weight:

[0049] P.O 52.5 Ordinary Portland cement 300 parts, silica fume 100 parts, fly ash 60 parts, stone powder 50 parts, quartz sand 490 parts, toughening agent 12 parts, water reducing agent 15 parts, shrinkage reducing agent 6 parts, viscosity reducing agent 20 parts, 70 parts of water.

[0050] P.O 52.5 Ordinary Portland Cement has a specific surface area of ​​400m 2 / kg; the average particle size of silica fume is 0.3um, and the specific surface area is 18000m 2 / kg, the activity index is 108%, SiO 2 The mass content is 99%; the content of particles with fineness less than 1um in silica fume is 90%; the fly ash is Class I fly ash, the sieve residue of 45μm square hole sieve is 5%, the loss on ignition is 2%, and the water demand The ratio is 85%; the stone powder is quartz powder, and the fineness of the stone powder is 450 mesh; the fineness modulus of quartz sand is 2.0; the toughening ...

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Abstract

The invention discloses a self-leveling floor material which comprises the following components in parts by weight: 260-300 parts of cement, 70-100 parts of silica fume, 40-60 parts of fly ash, 30-50parts of stone powder, 430-490 parts of quartz sand, 7-12 parts of a toughening agent, 10-15 parts of a water reducing agent, 2-6 parts of a shrinkage reducing agent, 10-20 parts of a viscosity reducer and 40-70 parts of water. The invention also discloses a preparation method of the self-leveling floor material. The self-leveling floor material disclosed by the invention has excellent mechanicalproperties, durability, wear resistance, impermeability and impact resistance, and is excellent in apparent effect; the material can be suitable for a self-leveling construction process, and the construction process is simple; and raw materials are wide in source and low in manufacturing cost, and remarkable economic benefits and wide application prospects are achieved.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a self-leveling floor material and a preparation method thereof. Background technique [0002] The floor refers to the use of specific materials and processes to carry out construction treatment on the original ground, and present a certain decorative and functional ground. The service scope of the floor includes the floor of modern industrial enterprises, commercial floor, parking lot floor, square, station wharf, school sports field, logistics warehouse floor, hospital floor, etc. In short, as long as the floor surface of concrete is used Make the floor. The floor has the advantages of smooth surface, easy to clean, seamless, moisture-proof, wear-resistant, and impact-resistant. [0003] At present, the base materials of self-leveling mortar in my country are mainly cement, epoxy resin materials and corundum. The most widely used traditional floor is the cement fl...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04C04B111/20C04B111/27
CPCC04B28/04C04B2201/50C04B2111/20C04B2111/27C04B18/146C04B18/08C04B14/02C04B14/06C04B2103/302C04B16/0633C04B14/42C04B2103/0057
Inventor 刘勇强商得辰梅向福张文进余松柏
Owner HUAXIN CEMENT
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