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Gypsum-based wall leveling material as well as preparation method and use method thereof

A gypsum-based and wall technology, applied in the field of building decoration materials, can solve the problems of high price of redispersible rubber powder and water repellent, increased material cost, difficult promotion, etc. Low, easier to apply promotion effect

Inactive Publication Date: 2020-11-17
GUANGDONG BOZHILIN ROBOT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Cement is a product of high energy consumption and high pollution, which is inconsistent with the development of green and environmentally friendly building materials; the price of redispersible rubber powder and water repellent is relatively high, and the application in wall leveling materials will greatly increase the cost of materials, resulting in limited application , it is difficult to promote

Method used

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  • Gypsum-based wall leveling material as well as preparation method and use method thereof
  • Gypsum-based wall leveling material as well as preparation method and use method thereof
  • Gypsum-based wall leveling material as well as preparation method and use method thereof

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preparation example Construction

[0062] A kind of preparation method of gypsum base wall leveling material of the present invention, comprises the following steps:

[0063] Mix hemihydrate gypsum, fly ash, admixture, calcium hydroxide, zeolite, water retaining agent and retarder, and stir evenly;

[0064] The mass portion of the hemihydrate gypsum is 55-70 parts; the mass portion of the fly ash is 8-20 parts; the mass portion of the admixture is 4-8 parts; the calcium hydroxide The mass parts of the zeolite are 4-8 parts; the mass parts of the zeolite are 3-6 parts; the mass parts of the water-retaining agent are 0.2-0.5 parts; the mass parts of the retarder are 0.05- 0.1 copies;

[0065] The admixture is selected from one or both of silica fume and metakaolin.

[0066] It can be understood that the raw materials can be mixed in a dry powder mixer, and the formula raw materials are added to the dry powder mixer in sequence, and stirred evenly to obtain a gypsum-based wall leveling material.

[0067] Prefer...

Embodiment 1

[0081] This embodiment provides a gypsum-based wall leveling material and its preparation method and use method, the steps are as follows:

[0082]Mix 650kg of α hemihydrate gypsum, 16.2kg of stone powder, 100kg of fly ash, 50kg of silica fume, 50kg of calcium hydroxide, 50kg of zeolite, 3kg of water retaining agent and 0.8kg of retarder, add 80kg of vitrified microbeads, and continue mixing for 3 minutes. Get gypsum-based wall leveling material.

[0083] According to the weight ratio [gypsum-based wall leveling material: water = 1:0.4], add water to the gypsum-based wall leveling material, stir evenly, and obtain product 1.

Embodiment 2

[0085] This embodiment provides a gypsum-based wall leveling material and its preparation method and use method, the steps are as follows:

[0086] Mix 700kg of α hemihydrate gypsum, 6.15kg of stone powder, 80kg of fly ash, 40kg of silica fume, 40kg of calcium hydroxide, 50kg of zeolite, 3kg of water retaining agent and 0.85kg of retarder, add 80kg of vitrified microbeads, and continue mixing for 3 minutes. Get gypsum-based wall leveling material.

[0087] According to the weight ratio [gypsum-based wall leveling material: water = 1:0.4], add water to the gypsum-based wall leveling material, stir evenly, and obtain product 2.

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Abstract

The invention relates to a gypsum-based wall leveling material as well as a preparation method and a use method thereof. The wall leveling material is prepared from the following raw materials in parts by mass: 55-70 parts of semi-hydrated gypsum; 8-20 parts of fly ash; 4-8 parts of an admixture; 4-8 parts of calcium hydroxide; 3-6 parts of zeolite; 0.2-0.5 part of a water retaining agent; and 0.05-0.1 part of a retarder; wherein the admixture is selected from one or two of silica fume or metakaolin. The gypsum-based wall leveling material provided by the invention does not need cement, redispersible rubber powder and a water repellent, can also have good water resistance, can maintain good mechanical properties in a high-humidity environment, can also solve the problems of hollowing and cracking of a wall surface, and is low in cost and easier to apply and popularize.

Description

technical field [0001] The invention relates to the technical field of building decoration materials, in particular to a gypsum-based wall leveling material and a preparation method and application method thereof. Background technique [0002] At present, wall leveling materials in this field are mainly cement-based mortars. However, cement is a rigid material, brittle in nature, and the shrinkage rate of cement plastering mortar is large (about 0.3%), which leads to the hollowing and cracking of the plastering layer of the new building wall, which is currently the first problem affecting the quality of the construction industry. ill. With the increase of well-decorated houses and the higher requirements of customers for product quality, there is an urgent need for an effective solution that can solve the hollowing and cracking of the plaster layer of the building wall. Most of the existing research is on cement-based mortars. The idea is to add redispersible rubber powder...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/14
CPCC04B28/146C04B2111/00508C04B2201/10C04B2201/50C04B14/02C04B18/08C04B18/146C04B22/064C04B14/047C04B14/24C04B2103/22C04B2103/465
Inventor 李燕梅唐振中彭路希刘凯
Owner GUANGDONG BOZHILIN ROBOT CO LTD
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