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Quick-drying cement-based lightweight base leveling material and preparation method thereof

A cement-based, quick-drying technology, applied in the field of cement-based base leveling materials, can solve the problems of shortening the construction interval, shortening the setting time, fast hardening but not fast drying, etc., and achieves improved density, fast drying, and quality stability high effect

Active Publication Date: 2022-06-24
NIPPON PAINT CHINA +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

By mixing a fast hardening agent, renewable polyphenylene particles and retarder, the renewable polyphenylene particles are mainly used as insulation materials. When used as a lightweight filler, when the construction is thicker (3-5mm) , not only can harden quickly, shorten the setting time, provide a certain early strength, but also reduce the moisture content quickly and dry quickly. After construction, the moisture content decreases rapidly, which can effectively reduce the probability of foaming during the subsequent putty construction; at the same time, Shorten the construction interval time; overcome the defects of traditional cement-based leveling materials, such as fast hardening, not fast drying, and large bulk density

Method used

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  • Quick-drying cement-based lightweight base leveling material and preparation method thereof
  • Quick-drying cement-based lightweight base leveling material and preparation method thereof
  • Quick-drying cement-based lightweight base leveling material and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0052] A preparation method of a quick-drying cement-based light base leveling material, which is prepared by the following steps:

[0053]In the mixer, add cement, light fillers and chemical admixtures according to the proportion of powder components, stir, pre-mix for 10 minutes, then add sand and inert fillers, stir for 20 minutes, and make the raw materials fully mixed, that is, the quick-drying type is obtained. Cement-based light base leveling material.

[0054] Wherein the weight percent composition of powder component is shown in Table 1:

[0055] The weight percent composition of table 1 powder component (%)

[0056]

[0057]

[0058] The lightweight filler is regenerated polystyrene particles;

[0059] The chemical admixtures are retarders and quick-hardening agents.

[0060] The weight ratio of the cement, the quick-hardening agent, the retarder and the renewable polystyrene particles is: 1:(0.28-0.31):(0.0025-0.003):(0.03-0.04).

[0061] The cement contai...

Embodiment 2

[0076] This embodiment is a more specific and optimized embodiment.

[0077] In the present embodiment, wherein the weight percent of the powder component is composed of:

[0078]

[0079]

[0080] According to the national standard >, the enterprise internal test method <<TU-NPZ-S7.3-WI-006 Nippon Paint Interior Wall Putty Application Test and Evaluation" and "NP-S7-IS" -122 Gypsum Mortar Yellowing Test" and "JG / T 298-2010 Indoor Putty for Construction" to test and evaluate the formula.

Embodiment 3

[0082] This embodiment is a more specific and optimized embodiment.

[0083] In the present embodiment, wherein the weight percent of the powder component is composed of:

[0084]

[0085]

[0086] According to the national standard >, the enterprise internal test method <<TU-NPZ-S7.3-WI-006 Nippon Paint Interior Wall Putty Application Test and Evaluation" and "NP-S7-IS" -122 Gypsum Mortar Yellowing Test" and "JG / T 298-2010 Indoor Putty for Construction" to test and evaluate the formula.

[0087] A general method for measuring the properties of the quick-drying cement-based light base leveling material of the present invention:

[0088] (1) Determination of bulk density

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Abstract

The quick-drying cement-based lightweight base leveling material of the present invention is a dry powder material, wherein the powder component composition includes: cement, sand, inert filler, lightweight filler and chemical admixture, the lightweight filler It is regenerated polyphenylene particles; the chemical admixture is a retarder and a rapid hardening agent. The fast-drying cement-based lightweight base leveling material of the present invention has the characteristics of light weight, fast drying, etc., and has the characteristics of good quality stability, good compatibility with coatings, good physical properties, and good construction feel, and is convenient to use. The invention also relates to a preparation method of a fast-drying cement-based lightweight base leveling material.

Description

technical field [0001] The invention relates to a cement-based base leveling material, in particular to a quick-drying cement-based lightweight base leveling material and a preparation method thereof. Background technique [0002] The existing traditional leveling materials include cement-based leveling materials and gypsum-based materials. The traditional leveling materials with gypsum-based as the main body have disadvantages such as poor water resistance, high water absorption, unstable raw materials, and yellowing of the paint. The leveling material has the disadvantages of high density, laborious construction, slow drying and long construction period. At present, the buildings are mainly frame structures, and the demand for non-load-bearing, low-density and light-weight wall leveling materials is increasing. At the same time, the quick-drying cement-based light base leveling with the advantages of two types of traditional leveling materials can well meet these needs. ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/06C04B111/40
CPCC04B28/06C04B2111/40C04B2201/20C04B2201/50C04B14/06C04B14/28C04B14/042C04B16/04C04B14/18C04B14/24C04B2103/0057C04B24/383C04B2103/12C04B2103/22C04B18/26C04B7/02C04B18/20C04B24/06
Inventor 杨凯吴永文敖耀珍刘明长唐桂艳
Owner NIPPON PAINT CHINA
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