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A self-crosslinking two-component waterproof slurry and its preparation method

A waterproof slurry, two-component technology, applied in the field of building materials, can solve the problems of waterproof slurry coating film and substrate falling off, waterproof performance failure, waterproof material cracking, etc., to increase impermeability and waterproof ability, increase adhesion The effect of intensity

Inactive Publication Date: 2017-06-30
深圳市顺洲建设集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, the current polymer cement waterproof slurry is more susceptible to the influence of the external environment, causing the coating film and substrate of the waterproof slurry to fall off, seep water, and even crack the waterproof material, resulting in the failure of its waterproof performance.
Therefore, how to overcome the problems of poor cohesive force, easy cracking of materials and poor waterproof effect existing in the existing polymer cement waterproof slurry, it is of great significance to develop a polymer cement waterproof slurry with better performance.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example Construction

[0054] A preparation method of self-crosslinking two-component waterproof slurry, which comprises steps:

[0055] To prepare a liquid material, put water in a reaction kettle, add polyacrylate emulsion and vinylidene chloride-vinyl propionate emulsion under stirring, stir for 10 minutes, add corresponding mass parts of crosslinking agent, defoamer and reducer Water agent, stir for 30 minutes, add waterproof additive, stir evenly to obtain the liquid material of component A;

[0056] To prepare solid material, add cement, fly ash, talcum powder, gypsum and polymer rubber powder in corresponding parts by mass to a closed high-speed mixer for premixing evenly, add a dispersant and stir at a high speed to obtain a solid material of component B;

[0057] The liquid material and the solid material are used in combination according to a mass ratio of 2:3 to prepare a self-crosslinking two-component waterproof slurry.

Embodiment 1

[0059] A self-crosslinking two-component waterproof slurry of this embodiment includes A-component liquid material and B-component solid material. In terms of mass percentage, the A-component system includes 70% polyacrylate emulsion, 12% partial Dichloroethylene-vinyl propionate emulsion, 2.0% cross-linking agent, 0.8% defoamer, 1.2% waterproof additive, 1.0% water reducer, 13% water; the B component system includes 45% cement, 25% % high calcium fly ash, 10% talcum powder, 15% gypsum, 3.5% polymer powder, 1.5% dispersant.

[0060] The preparation method of described self-crosslinking two-component waterproof slurry comprises:

[0061](1) First prepare the A-component system: weigh a certain amount of water in the reaction kettle according to the above mass ratio, add polyacrylate emulsion and vinylidene chloride-vinyl propionate emulsion under stirring, stir for 10 minutes and then add Cross-linking agent, defoamer and water reducer, then stir for 30 minutes, then add water...

Embodiment 2

[0063] A self-crosslinking two-component waterproof slurry of this embodiment includes A component liquid material and B component solid material. In terms of mass percentage, the A component system includes 72% polyacrylate emulsion, 10% partial Ethylene dichloride-vinyl propionate emulsion, 2.5% cross-linking agent, 1.0% defoamer, 1.3% waterproof additive, 1.2% water reducer, 12% water; the B component system includes 48% cement, 22 % high calcium fly ash, 12% talcum powder, 13% gypsum, 3.6% polymer rubber powder, 1.4% dispersant.

[0064] The preparation method of described self-crosslinking two-component waterproof slurry comprises:

[0065] (1) First prepare the A-component system: weigh a certain amount of water in the reaction kettle according to the above mass ratio, add polyacrylate emulsion and vinylidene chloride-vinyl propionate emulsion under stirring, stir for 10 minutes and then add Cross-linking agent, defoamer and water reducer, then stir for 30 minutes, then...

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Abstract

A self-crosslinking two-component waterproof slurry provided by the present invention is composed of liquid material and solid material. Through crosslinking agent and waterproof auxiliary agent, the crosslinking combination of inorganic components and organic components is realized, thereby effectively increasing the material Excellent bonding ability and waterproof ability, effectively solve the problems of poor bonding strength, easy cracking of materials and poor waterproof effect of polymer cement waterproof slurry.

Description

technical field [0001] The invention relates to a building material, in particular to a polymer cement waterproof slurry combined by two-component crosslinking and a preparation method thereof. Background technique [0002] Polymer cement waterproof slurry is a waterproof coating gradually developed in the field of architectural waterproof coatings in recent years. It is a two-component water-emulsion architectural waterproof coating with organic polymer components and inorganic components as the main raw materials. Certain rigidity and toughness make the polymer cement waterproof slurry not only have the advantages of good waterproofness and strong extensibility of the polymer coating, but also have the characteristics of hydraulic materials that are easy to bond with the wet base and have high strength. It is a kind of two-component building waterproof slurry made of compound emulsion and various inorganic fillers and additives through reasonable proportioning and compound...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/08C04B24/26C04B111/27C04B103/40
Inventor 庄建宁王进杰李燕容陈丽红
Owner 深圳市顺洲建设集团有限公司