Cement ceiling board and preparation method thereof

A technology for ceiling slabs and cement slabs, applied in the field of building materials, can solve the problems of restricting the application of cement-based materials, high unit area weight of slabs, and high compressive strength, so as to solve adverse effects, improve surface roughness, and high fracture load. Effect

Active Publication Date: 2019-03-12
UNIV OF JINAN
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the density of cement-based materials is high, the compressive strength is high, but the flexural strength is low, and the weight per unit area of ​​the prepared board is high and the fracture load is low, which seriously restricts the application of cement-based materials in the field of ceiling panels.

Method used

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  • Cement ceiling board and preparation method thereof
  • Cement ceiling board and preparation method thereof
  • Cement ceiling board and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0062] 1. A cement ceiling board, such as figure 1 As shown, the cement ceiling board is composed of a cement board 1 and a polypropylene fiber mesh cloth 2, wherein the polypropylene fiber mesh cloth 2 is laid between the cement boards 1 to form an upper, middle and lower layer Cement ceiling board with structural composition: the mesh size of the polypropylene fiber mesh cloth is 10mm×10mm, and the weight per unit area is 105g / m 2 ; The cement is 42.5 Portland cement.

[0063] 2. The method for preparing the cement ceiling board described in this embodiment comprises the following steps:

[0064] (1) Add cement in the homogenization tank according to the water-cement ratio of 3 and stir to obtain cement slurry;

[0065] (2) Inject the cement slurry obtained in step (1) into the felt mold, and lay the polypropylene fiber mesh cloth on the surface of the slurry when half of the slurry is injected, and then continue to inject the remaining slurry into the polypropylene fiber ...

Embodiment 2

[0069] 1. A cement ceiling board, such as figure 1 As shown, the cement ceiling board is composed of a cement board 1 and a polypropylene fiber mesh cloth 2, wherein the polypropylene fiber mesh cloth 2 is laid between the cement boards 1 to form an upper, middle and lower layer A cement ceiling panel composed of a structure; the mesh size of the polypropylene fiber mesh cloth is 10mm×10mm, and the weight per unit area is 100g / m 2 ; The cement is 42.5R Portland cement.

[0070] 2. The method for preparing the cement ceiling board described in this embodiment comprises the following steps:

[0071] (1) Add cement in the homogenization tank according to the water-cement ratio 2.0 and stir to obtain cement slurry;

[0072] (2) Inject the cement slurry obtained in step (1) into the felt mold, and lay the polypropylene fiber mesh cloth on the surface of the slurry when half of the slurry is injected, and then continue to inject the remaining slurry into the polypropylene fiber me...

Embodiment 3

[0076] 1. A cement ceiling board, such as figure 1 As shown, the cement ceiling board is composed of a cement board 1 and a polypropylene fiber mesh cloth 2, wherein the polypropylene fiber mesh cloth 2 is laid between the cement boards 1 to form an upper, middle and lower layer A cement ceiling board composed of a structure; the mesh size of the polypropylene fiber mesh cloth is 10mm×10mm, and the weight per unit area is 95g / m 2; The cement is 42.5 Portland cement.

[0077] 2. The method for preparing the cement ceiling board described in this embodiment comprises the following steps:

[0078] (1) Add cement in the homogenization tank according to the water-cement ratio of 4.5 and stir to obtain cement slurry;

[0079] (2) Inject the cement slurry obtained in step (1) into the felt mold, and lay the polypropylene fiber mesh cloth on the surface of the slurry when half of the slurry is injected, and then continue to inject the remaining slurry into the polypropylene fiber me...

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Abstract

The invention belongs to the field of a building material, and particularly relates to a cement ceiling board and a preparation method thereof. The cement ceiling board consists of a polypropylene fiber mesh fabric and cement boards, wherein the polypropylene fiber mesh fabric is laid between the cement boards to form the cement ceiling board consisting of three layers of upper, middle and lower structures. According to the invention, when the cement ceiling board is prepared, by laying the polypropylene fiber mesh fabric between the cement boards, in a case that the prepared cement ceiling board is small in thickness, the cement boards can have excellent breaking strength and a problem that the cement boards are easy to break in the machining process is avoided, so that cement can be usedfor producing the ceiling board; moreover, the prepared ceiling board is light in weight and easy to machine and install.

Description

technical field [0001] The invention belongs to the field of building materials, in particular to a cement ceiling board and a preparation method thereof. Background technique [0002] Ceiling boards are widely used in various types of interior decoration. Existing ceiling boards can be mainly divided into three categories: decorative gypsum ceiling boards, metal composite material ceiling boards and organic polymer ceiling boards. [0003] Decorative gypsum board ceiling board is made of gypsum as the main raw material, adding fibers, adhesives, modifiers, kneading, pressing, and drying. performance. For example, patent document 201510227888.7 discloses a glass fiber composite reinforced gypsum ceiling board and its ceiling structure, including connecting rods, ceiling gypsum boards, and positioning frames. The groove wall, the lower surface is a decorative surface, and the positioning groove wall is provided with connecting screw holes, and the adjacent ceiling gypsum bo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04C04B40/02
CPCC04B28/04C04B2201/20C04B2201/50C04B16/0633C04B18/20C04B18/243C04B18/141C04B24/2652C04B18/0427C04B22/06C04B24/42C04B14/024C04B40/0245
Inventor 芦令超李来波闫振陈明旭程新
Owner UNIV OF JINAN
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