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Quick-drying cement-based light 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 time, fast hardening but not fast drying, shortening the setting time, etc., and achieves good construction feel and low probability of putty foaming , Good compatibility with paint

Active Publication Date: 2021-03-05
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 light base leveling material and preparation method thereof
  • Quick-drying cement-based light base leveling material and preparation method thereof
  • Quick-drying cement-based light 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 lightweight base leveling material, which is prepared through the following steps:

[0053]Add cement, lightweight fillers and chemical admixtures into the mixer according to the distribution ratio of the powder components, stir, pre-mix for 10 minutes, then add sand and inert fillers, and stir for 20 minutes, so that the raw materials are fully mixed evenly, and the quick-drying type is obtained. Cement-based lightweight base leveling material.

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

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

[0056]

[0057]

[0058] The lightweight filler is regenerated polystyrene particles;

[0059] The chemical admixtures are setting retarders and rapid hardening agents.

[0060] The weight ratio of the cement, rapid hardening agent, retarder and renewable polyphenylene particles is: 1:(0.28-0.3...

Embodiment 2

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

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

[0078]

[0079]

[0080] According to the national standard >, the internal test method of the enterprise <<TU-NPZ-S7.3-WI-006 Nippon Interior Wall Putty Applicability Test and Evaluation" and "NP-S7-IS -122 Gypsum Mortar Yellowing Test", "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 powder component is composed of:

[0084]

[0085]

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

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

[0088] (1) Determination of bulk density

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Abstract

The invention discloses a quick-drying cement-based light base leveling material. The material is a dry powder material, the powder material comprises the following components: cement, sand, an inertfiller, a lightweight filler and chemical additives, and the lightweight filler is regenerated polyphenyl particles; and the chemical additives are a retarder and a rapid hardening agent. The quick-drying cement-based light base leveling material has the characteristics of light weight, quick drying and the like, has the characteristics of good quality stability, good coating matching property, good physical property and good construction hand feeling, and is convenient to use. The invention also relates to a preparation method of the quick-drying cement-based light 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. Traditional leveling materials based on gypsum-based materials have disadvantages such as poor water resistance, high water absorption, unstable raw materials, and yellowing of paint, while cement-based High-grade leveling materials have the disadvantages of high density, laborious construction, slow drying, and long construction period. At present, buildings are dominated by frame structures, and the demand for non-load-bearing, low-density and lightweight wall leveling materials is increasing. At the same time, the requirements for wall leveling materials are more and more stable, short construction period, and good compatibility with c...

Claims

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Application Information

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Patent Type & Authority Applications(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