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A new type of composite gypsum block and its application

A technology of gypsum blocks and gypsum blocks, which is applied in the field of building materials, can solve problems such as poor corrosion resistance, and achieve the effects of preventing water vapor corrosion, good barrier effect, and reducing erosion speed

Active Publication Date: 2022-04-22
遵义汉丰装饰材料有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This patent achieves antifreeze and waterproof performance by coating the surface of gypsum blocks with a waterproofing agent; when the blocks are used in toilets, they have poor corrosion resistance to volatile substances such as hot water steam and ammonia

Method used

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  • A new type of composite gypsum block and its application
  • A new type of composite gypsum block and its application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] The gypsum block is made of the following raw materials: 30 parts of hemihydrate gypsum, 6 parts of slag, 3 parts of expanded perlite, 4 parts of silicon powder, 0.5 part of nanofiber, 3 parts of solid phase change heat storage material, 0.1 part of sodium silicate, 0.1 part of polycarboxylate superplasticizer.

[0029] Among them, hemihydrate gypsum is made by sintering phosphogypsum.

[0030] The preparation of solid phase change heat storage materials is as follows: mix polyvinyl alcohol and polyethylene glycol with a mass ratio of 5:1 to form a mixture, add water 20 times the weight of the mixture, heat to 70-80°C, and then add Activated carbon powder with a mass of 10% of the mixture is heat-preserved and stirred for 6-7 hours, left standing for 4-5 hours, concentrated by evaporation, dried, and pelletized to obtain a solid phase-change heat storage material.

[0031] The steam-proof block is made of the following raw materials: 6 parts of ethylene-vinyl acetate c...

Embodiment 2

[0040] The gypsum block is made of the following raw materials: 34 parts of hemihydrate gypsum, 7 parts of slag, 4 parts of expanded perlite, 5 parts of silicon powder, 0.8 part of nanofiber, 3.5 parts of solid phase change heat storage material, 0.12 part of sodium silicate, 0.12 parts of polycarboxylate superplasticizer.

[0041] Among them, hemihydrate gypsum is made by sintering desulfurized gypsum.

[0042] The preparation of solid phase change heat storage materials is as follows: mix polyvinyl alcohol and polyethylene glycol with a mass ratio of 5:1 to form a mixture, add water 20 times the weight of the mixture, heat to 70-80°C, and then add Activated carbon powder with a mass of 13% of the mixture is heat-preserved and stirred for 6-7 hours, left to stand for 4-5 hours, concentrated by evaporation, dried, and pelletized to obtain a solid phase-change heat storage material.

[0043] The steam-proof block is made of the following raw materials: 5.4 parts of ethylene-vi...

Embodiment 3

[0052] The gypsum block is made of the following raw materials: 40 parts of hemihydrate gypsum, 8 parts of slag, 5 parts of expanded perlite, 6 parts of silicon powder, 1 part of nanofiber, 4 parts of solid phase change heat storage material, 0.2 part of sodium silicate, 0.15 parts of polycarboxylate superplasticizer.

[0053] Among them, hemihydrate gypsum is made by sintering citrate gypsum.

[0054] The preparation of solid phase change heat storage materials is as follows: mix polyvinyl alcohol and polyethylene glycol with a mass ratio of 5:1 to form a mixture, add water 20 times the weight of the mixture, heat to 70-80°C, and then add Activated carbon powder with a mass of 15% of the mixture is heat-preserved and stirred for 6-7 hours, left standing for 4-5 hours, concentrated by evaporation, dried, and pelletized to obtain a solid phase-change heat storage material.

[0055] The steam-proof block is made of the following raw materials: 6 parts of ethylene-vinyl acetate ...

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Abstract

The invention relates to a novel composite gypsum block and its application. The new composite gypsum blocks include composite gypsum blocks, steam-proof blocks, and barrier blocks. The steam-proof blocks are on the gypsum blocks, and the adsorption blocks are on the top. The gypsum block is made from the following raw materials: gypsum, slag, expanded perlite, silicon powder, nanofiber, solid phase change heat storage material, part reinforcing agent, and water reducing agent. The steam-proof block is made from the following raw materials: ethylene-vinyl acetate copolymer, nano-aluminum powder, polyethylene. The barrier block is made from the following raw materials: silicon dioxide, zeolite powder, bentonite, ceramsite, calcium silicate, and condensed magnesium phosphate. The invention adopts the gypsum block made by compounding the steam-proof block and the barrier block on the surface of the gypsum block, which has good corrosion resistance to the ammonia gas and water vapor generated in the toilet, and can reduce the use of the gypsum block. The formation of temperature stress prevents the block wall from cracking.

Description

technical field [0001] The invention belongs to the technical field of building materials, in particular to a novel composite gypsum block and its application. Background technique [0002] Block is an artificial block made of concrete, industrial waste or local materials. It is a new type of wall material. The shape is mostly rectangular hexahedron, and there are also various special-shaped blocks. It meets the requirements of wall reform in the development of building industrialization. According to different materials, commonly used blocks include ordinary concrete and decorative concrete small hollow blocks, light aggregate concrete small hollow blocks, fly ash small hollow blocks, steam aerated concrete blocks, steam-free aerated concrete Blocks (also known as environmentally friendly lightweight concrete blocks) and gypsum blocks. [0003] Gypsum blocks have the characteristics of light weight, high strength, good durability, accurate size, smooth surface, fire preve...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/26C04B28/34C04B38/02C04B38/08E04C1/41C08L23/08C08L23/06C08K3/08
CPCC04B28/26C04B28/344C04B38/08C04B38/02C08L23/0853E04C1/41C04B2201/50C04B2111/40C08K2201/011C08K2003/0812C04B18/10C04B14/185C04B18/146C04B22/00C04B22/144C04B24/2623C04B24/28C04B14/022C04B2103/302C04B22/068C04B24/085C04B14/06C04B14/047C04B22/141C04B18/027C04B14/043C04B14/104C08L23/06C08K3/08
Inventor 封信超陈正强丁黎
Owner 遵义汉丰装饰材料有限责任公司
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