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A kind of high-strength anti-crack gypsum board and preparation method thereof

A gypsum board, high-strength technology, applied in the field of building materials, can solve problems such as hidden safety hazards of building decoration, affecting building appearance, gypsum material falling off, etc., and achieve the effects of long service life, wide source of raw materials, and enhanced mechanical properties.

Active Publication Date: 2020-11-06
梦牌新材料(宁国)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing interior wall gypsum board has low strength, and the board is easily broken during transportation, which brings inconvenience to the construction
In addition, after the gypsum board is installed, it will cause serious quality problems such as falling off and cracking of the gypsum material under the action of external forces such as vibration, impact, extrusion, and in a humid environment. While the shape is damaged, it will not only affect the appearance of the building, It also poses certain hidden dangers to the safety of building decoration.

Method used

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  • A kind of high-strength anti-crack gypsum board and preparation method thereof
  • A kind of high-strength anti-crack gypsum board and preparation method thereof

Examples

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preparation example Construction

[0031] In some embodiments, the preparation method of the chitosan oligosaccharide modified alumina fiber comprises:

[0032] (1) 20g crystalline aluminum chloride AlCl 3 ·6H 2 O was dissolved in 100g of distilled water, then 10g of metal aluminum powder was added and heated under reflux at 90°C for 6h, the solution became clear and transparent, and then 0.5g of silica sol was added to the above transparent solution as a spinning aid, and after it was completely dissolved, the The above solution was concentrated under an atmosphere of -0.09MPa and 80°C to obtain alumina spinning sol, and the spinning sol was injected into the spinning die through a micro-injection pump for drawing to obtain self-made alumina fibers.

[0033] (2) The self-made alumina fiber and chitosan oligosaccharide were mixed and placed in a mixer for stirring at a stirring temperature of 75° C. for 2 hours to obtain chitosan oligosaccharide modified alumina fiber.

[0034] In a preferred embodiment, the ...

Embodiment 1

[0079]Embodiment 1 provides a kind of high-strength anti-cracking gypsum board. In parts by weight, the preparation raw materials include: 20 parts of building gypsum powder, 10 parts of modified alumina fiber, 1 part of fly ash, 2 parts of montmorillonite, 1 part of 1 part foaming agent, 1 part calcium oxide expansion agent, 1 part retarder, 1 part modified silicone, 6 parts deionized water.

[0080] The building gypsum powder was purchased from Tai'an Jiepu Gypsum Technology Co., Ltd.

[0081] The modified alumina fiber is chitosan oligosaccharide modified alumina fiber, and the preparation method comprises:

[0082] (1) 20g crystalline aluminum chloride AlCl 3 ·6H 2 O was dissolved in 100g of distilled water, then 10g of metal aluminum powder was added and heated under reflux at 90°C for 6h, the solution became clear and transparent, and then 0.5g of silica sol was added to the above transparent solution as a spinning aid, and after it was completely dissolved, the The a...

Embodiment 2

[0107] Embodiment 2 provides a kind of high-strength anti-crack gypsum board, by weight, preparation raw material comprises: 40 parts of construction gypsum powder, 20 parts of modified alumina fibers, 6 parts of fly ash, 8 parts of montmorillonite, 3 parts of Part foaming agent, 5 parts calcium oxide expansion agent, 6 parts retarder, 8 parts modified silicone, 10 parts deionized water.

[0108] The building gypsum powder was purchased from Tai'an Jiepu Gypsum Technology Co., Ltd.

[0109] The modified alumina fiber is chitosan oligosaccharide modified alumina fiber, and the preparation method is the same as in Example 1, except that the alumina fiber and the chitosan oligosaccharide in the chitosan oligosaccharide modified alumina fiber are The weight ratio is 1:0.3.

[0110] The fly ash was purchased from Xuancheng Shuangle Renewable Resources Co., Ltd.

[0111] The montmorillonite was purchased from Anhui Benrun Mining Technology Co., Ltd.

[0112] The foaming agent is ...

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Abstract

The invention relates to the field of building materials, in particular to a high-strength anti-cracking gypsum board and a preparation method thereof. The high-strength anti-cracking gypsum board comprises the following preparation raw materials in parts by weight: 20-40 parts of a building gypsum powder, 10-20 parts of modified alumina fibers, 1-6 parts of fly ash, 2-8 parts of montmorillonite,1-3 parts of a foaming agent, 1-5 parts of a calcium oxide expansion agent, 1-6 parts of a retarder, and 6-10 parts of deionized water. The high-strength anti-cracking gypsum board is wide in sourcesof raw materials and low in cost; and the raw materials in the gypsum board are compatible with each other and have a strong synergistic effect, so that the gypsum board has the characteristics of heat and sound insulation, waterproofness, flame resistance, corrosion and weathering resistance, long service life and wide application.

Description

technical field [0001] The invention belongs to the field of building materials, and more specifically, the invention relates to a high-strength crack-resistant gypsum board and a preparation method thereof. Background technique [0002] Gypsum widely exists in the earth's rock formations. It is a building material with a long history of application. It is listed as the three pillars of inorganic cementitious materials alongside lime and cement. It has light weight, good fire resistance, good sound insulation and heat insulation, and size Stable, wide range of raw materials, easy to burn, low energy consumption, harmless to human body and other advantages, it is a green and energy-saving building material that is respected and developed internationally. [0003] In recent years, gypsum board has been favored by users for its light weight, non-combustibility, and "breathing" function. It has been widely used in interior partition walls of various buildings such as residences,...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/14C04B20/02C04B38/10C04B111/34
CPCC04B20/023C04B28/14C04B38/10C04B2111/343C04B2201/50C04B14/4625C04B18/08C04B14/104C04B22/064C04B22/002C04B24/42C04B24/16C04B24/10
Inventor 管国磊
Owner 梦牌新材料(宁国)有限公司
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