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Concrete early-stage maintenance liquid preparation and concrete early-stage maintenance method

A technology of early maintenance and liquid preparation, which is applied in the manufacture of tools, ceramic molding machines, etc., and can solve problems such as surface cracking, volume reduction, and non-flammability

Active Publication Date: 2022-04-15
北京易晟元环保工程有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In view of the above-mentioned shortcomings and deficiencies of the prior art, the present invention provides a concrete early curing liquid preparation, which solves the problems of volume reduction, The problem of surface cracking, and the liquid preparation is non-toxic, non-flammable, and widely applicable, and can be sprayed or soaked in the curing process of various types of concrete after molding

Method used

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  • Concrete early-stage maintenance liquid preparation and concrete early-stage maintenance method
  • Concrete early-stage maintenance liquid preparation and concrete early-stage maintenance method

Examples

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Effect test

Embodiment 1

[0028] This embodiment provides a concrete early curing liquid preparation, the composition of which is: 35% ethyl orthosilicate, 10% sodium fluorosilicate, 2% sodium citrate, 1% dodecyldimethylphenoxyethyl ammonium bromide, 0.5% ethylene glycol, and water as the balance.

Embodiment 2

[0030] This embodiment provides a concrete early curing liquid preparation, its composition is: 30% tetraethyl orthosilicate, 10% sodium fluorosilicate, 2% sodium silicate, 2% sodium citrate, 1.5% lauryl Dimethylphenoxyethylammonium bromide, 0.25% ethylene glycol, and the balance water.

Embodiment 3

[0032] This embodiment provides a concrete early curing liquid preparation, its composition is: 30% tetraethyl orthosilicate, 10% sodium fluorosilicate, 2% sodium silicate, 2% sodium citrate, 1.5% CTAB, 0.25% Ethylene glycol and the balance are water.

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Abstract

The invention relates to a liquid preparation for early maintenance of concrete, which comprises the following components in percentage by mass: 20-35% of tetraethoxysilane, 10-15% of fluosilicate and / or silicate, 0.02-2% of citrate, 1-2% of quaternary ammonium salt, 0.01-0.5% of ethylene glycol and 48-68% of water. The curing liquid preparation is an inorganic water-based liquid preparation, is non-toxic and non-flammable, can be sprayed or soaked for use in the curing process after various types of concrete are formed, can permeate below the surface of a concrete member to participate in a hydration reaction of concrete, solves the problem of early cracking of the concrete from the source of the dry shrinkage problem, and has a good application prospect. The problems of volume reduction and surface cracking after the concrete is formed are avoided.

Description

technical field [0001] The invention relates to the technical field of concrete building materials, in particular to concrete early curing materials. Background technique [0002] After concrete is poured and tamped, the reason why it can gradually set and harden is the result of cement hydration, and hydration requires appropriate temperature and humidity conditions. After concrete pouring, if the climate is hot, the air is dry, and the maintenance is not carried out in time, the moisture on the concrete surface will evaporate too quickly and dehydration will occur, so that the cement particles that have formed a gel cannot be fully hydrated and cannot be converted into stable crystals. Sufficient cohesive force will cause plastic shrinkage of concrete, cracks appear on the surface, and form flaky or powdery peeling off, which will affect the strength of concrete. In addition, during the curing period of concrete, if the internal moisture evaporates too early or too much, ...

Claims

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Application Information

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IPC IPC(8): C04B40/04C04B41/61B28B11/24
Inventor 詹仰东吴怀国马誉歌
Owner 北京易晟元环保工程有限公司
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