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High-durability concrete shield system capable of rapid construction and preparation method thereof

A technology of durable concrete and protection system, applied in coatings, polyurea/polyurethane coatings, etc., can solve the problems of long construction period and poor environmental adaptability, and achieve high construction efficiency, excellent waterproofing, and good environmental adaptability.

Active Publication Date: 2017-11-10
辽宁苏博特船牌制漆有限公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the above protective system needs at least 4 to 7 coats of paint to complete the entire coating, and each coat needs a curing time of 4 to 24 hours before the next coat can be applied. Large, both have the disadvantages of long construction period and poor environmental adaptability

Method used

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  • High-durability concrete shield system capable of rapid construction and preparation method thereof
  • High-durability concrete shield system capable of rapid construction and preparation method thereof
  • High-durability concrete shield system capable of rapid construction and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1-4

[0076] Add polyaspartic acid ester resin, defoamer, leveling agent, and solvent into the container, and disperse at 500-1000 rpm for 30 minutes to prepare component A 1 ; Mix polyisocyanate and solvent evenly by mass ratio to obtain component B 1 .

[0077] Table 1 Primer layer material ratio and process parameters

[0078]

[0079] (2) Preparation of polyaspartic acid ester elastic reinforcement layer

Embodiment 5-8

[0081] polyaspartate resin P 2 Put it into the container, remove water under vacuum at -0.08~-0.1MPa, 110℃~120℃ for 1~3h, then cool down to 60~80℃, add defoamer, leveling agent, coupling agent and Molecular sieve activated powder slurry X, dispersed at 500-1000 rpm for 30 minutes to prepare component A 2 ;Put the polyester polyol into the container, vacuum degree -0.08~-0.1MPa, dehydration at 110~120℃ for 1.5~3h, the moisture content measured by the Karl Fischer method is less than 5 / 10,000, blow nitrogen or dry Release the vacuum with air, lower the temperature to 68-75°C, add aliphatic isocyanate monomer and catalyst, react at a constant temperature for 30-40 minutes, then raise the temperature to 75-85°C and react at a constant temperature for 2-3 hours, use the toluene di-n-butylamine method, see GB / T 12009.4-1989, the measured final isocyanate content reaches the final NCO% theoretical residue designed before the polymerization reaction, and the component B is obtained ...

Embodiment 9-12

[0087] polyaspartate resin P 3 , fluorocarbon resin, hydroxyl-terminated polydimethylsiloxane, dispersant, pigments and fillers are added to the container, and the water is removed in vacuum at -0.08~-0.1MPa, 110℃~120℃ for 1~3h, and the temperature is lowered to 60 ~80°C, add defoamer, leveling agent, and molecular sieve activated powder slurry Y to the above container, and disperse at 500~1000 rpm for 30 minutes to prepare component A 3 ; Mix polyisocyanate and solvent evenly by mass ratio to obtain component B 3 .

[0088] Table 3 Topcoat material ratio and process parameters

[0089]

[0090]

[0091]

[0092] (4) Protection system construction

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Abstract

The invention discloses a high-durability concrete shield system capable of rapid construction and a preparation method thereof. The concrete shield system comprises a concrete base layer, a polyaspartate permeation primer layer, a polyaspartate elasticity enhancement layer and a fluorine-silicon-modified polyaspartate high-weather-resistance finish paint layer from bottom to top. Compared with the prior art, the system has the advantages of short construction cycle, high weather resistance and the like, can be constructed on a wet basal plane, can implement construction within one day and low-temperature curing, has the multiple functions of high mechanical strength, fatigue resistance, aging resistance, high elasticity, corrosion resistance and the like, and has the characteristics of simple construction, high safety and environment friendliness.

Description

technical field [0001] The invention relates to concrete protection and a preparation method thereof, in particular to a fast-construction high-durability concrete protection system and a preparation method thereof. Background technique [0002] As one of the important methods to protect the concrete of buildings, concrete external protection technology uses the properties of the protective material itself and the physical and chemical effects combined with the base material to effectively protect the matrix. The correct selection of protective materials and the reasonable construction of the protective system can effectively protect the concrete. Prevent rain and snow water, groundwater, etc. from leaking into the building use space from the joints of roofs, walls, foundations or concrete components, and prevent corrosive media such as salt from penetrating into building components or foundations, thereby preventing the resulting damage. performance degradation and failure....

Claims

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Application Information

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IPC IPC(8): C09D175/02C09D175/06C09D127/12C09D183/06C04B41/52
CPCC04B41/009C04B41/52C08L2205/03C09D175/02C09D175/06C04B41/488C04B41/4884C04B41/5035C04B41/5024C04B41/501C04B41/4842C04B41/4966C04B28/00
Inventor 刘玉亭孙德文冉千平刘娜周进俊李波尹浩万赟
Owner 辽宁苏博特船牌制漆有限公司
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