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Guniting material and preparation method thereof

A technology of spraying and slurry, which is applied in the direction of fireproof coatings, climate sustainability, coatings, etc., can solve the problems of sag resistance, crack resistance and poor weather resistance, and achieve good protection and high elasticity Modulus, effect of airtightness retention

Pending Publication Date: 2022-06-03
兖矿能源集团股份有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] This application provides a spraying material and a preparation method to solve the problems of poor sag resistance, crack resistance and weather resistance of existing spraying materials

Method used

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  • Guniting material and preparation method thereof
  • Guniting material and preparation method thereof
  • Guniting material and preparation method thereof

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Embodiment Construction

[0027] The present application provides a spraying material, including component A and component B, wherein component A includes the following raw materials by weight: 0.1-0.5 parts of microcapsule polymer material, 1-5 parts of film auxiliary, 1-5 parts of plasticizer, 1-4 parts of waterproofing agent, 0.5-2.5 parts of weathering agent, 10-20 parts of carbonate, 5-10 parts of silicate, 5-10 parts of silica fume,

[0028] Component B includes the following raw materials in parts by weight: 0.1-0.5 parts of inorganic dispersants, 0.1-0.5 parts of organic dispersants, 1-5 parts of film additives, 1-5 parts of plasticizers, 1-4 parts of water repellants, weather resistance 0.5-2.5 parts of antifoaming agent, 0.1-0.5 parts of antifoaming agent, and 0.5-3 parts of reaction repairing agent.

[0029] As the main matrix material in the self-healing shotcrete material system, the microcapsule polymer material determines the basic physical and mechanical properties of the self-healing s...

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Abstract

The invention discloses a guniting material and a preparation method thereof.The guniting material comprises a component A and a component B. The component A comprises a microcapsule high polymer material, a coalescing agent, a plasticizer, a waterproof agent, a weather-proof agent, carbonate, silicate and silica fume which are optimized in proportion, and the dosage of each component is equal to that of the microcapsule high polymer material, the coalescing agent, the plasticizer, the waterproof agent, the weather-proof agent, the carbonate, the silicate and the silica fume; the component B comprises an inorganic dispersing agent, an organic dispersing agent, a coalescing agent, a plasticizer, a waterproof agent, a weather-proof agent, a defoaming agent and a reaction repairing agent in an optimized ratio. The adhesive force, tensile strength, elongation at break and other properties of the prepared guniting material all reach the industrial indexes. The guniting material has elasticity and toughness, weather resistance, high flame retardance, high strength, flowability, sagging resistance, crack resistance, impermeability, watertightness, high elastic modulus and high elongation at break, has good compressive strength, does not crack after being overloaded and is pressed, the leakproofness of the material is kept, and the service life of the guniting material is prolonged. And a good protection effect is achieved on a pressed and crushed object.

Description

technical field [0001] The present application relates to the field of shotcrete materials, in particular to a shotcrete material and a preparation method. Background technique [0002] Shotcrete plugging is a common method to solve the problem of air leakage caused by coal pillar cracking. However, the existing shotcrete has many drawbacks. For example, the inorganic foam shotcrete material has poor cohesion, thin shotcrete, and long solidification time. When it is subjected to pressure disturbance again, it is prone to cracking and falling off, resulting in poor blocking effect. For another example, the price of the organic foamed resin shotcrete material is expensive, and during the reaction process, a high temperature easily ignites the coal mass, causing hidden dangers in production. SUMMARY OF THE INVENTION [0003] The present application provides a shotcrete and a preparation method to solve the problems of poor sag resistance, crack resistance and weather resista...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C09D1/00C09D5/18C09D7/65C09D7/61C09D7/63
CPCC09D1/00C09D5/18C09D7/65C09D7/61C09D7/63C09D7/70Y02W30/91
Inventor 郭英马俊鹏郑旋王旭翟清伟王建薛永利张超赵亮陈亮杜廷斌刘柏徐道慧
Owner 兖矿能源集团股份有限公司
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