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Composition used as concrete maintenance assistant

A composition and concrete technology, applied in the field of concrete adjuvants, can solve the problems of surface hydrophobization of the base material, poor resistance to chloride ion penetration, etc., and achieve excellent resistance to chloride ion penetration, improve corrosion resistance, and improve hydrophobicity. Effect

Inactive Publication Date: 2016-11-09
张玲
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In the prior art, an aqueous emulsion composition comprising an alkylalkoxysilane, a surfactant (emulsifier), and water is used, and the aqueous emulsion composition will remain on the surface of the coated substrate due to the surfactant, Therefore, the surface of the substrate cannot be sufficiently hydrophobized
The resulting product has poor resistance to chloride ion penetration

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Add hexadecenoic acid triglyceride 100Kg, tetrahydrofuran 1000Kg, 1-butylsulfonic acid-3-methylimidazolium tetrafluoroborate 0.03Kg, N-butyl-N-methylpiperidine in a 2000L reactor Bis(trifluoromethanesulfonyl)imide salt 0.03Kg, sulfosuccinic acid lauryl polyoxyethylene (1-4) ether ester disodium 3Kg, react at 50°C for 3 hours to obtain the concrete maintenance additive composition, code M -1.

Embodiment 2

[0022] Add hexadecenoic acid triglyceride 100Kg, tetrahydrofuran 1000Kg, 1-butylsulfonic acid-3-methylimidazolium tetrafluoroborate 0.01Kg, N-butyl-N-methylpiperidine in a 2000L reactor Bis(trifluoromethanesulfonyl)imide salt 0.01Kg, sulfosuccinic acid lauryl polyoxyethylene (1-4) ether ester disodium 1Kg, react at 30°C for 1 hour to obtain concrete maintenance additive composition, code M -2.

Embodiment 3

[0024] Add hexadecenoic acid triglyceride 100Kg, tetrahydrofuran 1000Kg, 1-butylsulfonic acid-3-methylimidazolium tetrafluoroborate 0.05Kg, N-butyl-N-methylpiperidine in a 2000L reactor 0.05Kg of bis(trifluoromethanesulfonyl)imide salt, 5Kg of disodium lauryl polyoxyethylene (1-4) ether ester of sulfosuccinate, and react at 80°C for 5 hours to obtain a concrete maintenance additive composition, code M -3.

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PUM

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Abstract

The invention relates to a composition used as a concrete maintenance assistant. The composition comprises, by weight, 100 parts of trihexadecenoin, 0.01-0.05 parts of 1-butylsulfonic acid-3-methylimidazolium tetrafluoroborate, 0.01-0.05 parts of N-butyl-N-methylpiperidine bis(trifluoromethanesulfonyl)imide salt, 1-5 parts of disodium laureth (1~4) sulfosuccinate and 1000 parts of tetrahydrofuran.

Description

technical field [0001] The invention relates to a concrete additive, in particular to a composition used as a concrete maintenance additive. Background technique [0002] Concrete maintenance additives are based on composite polar substances such as silicates, and are added with catalysts and polymers. After mixing and reacting, water resistance, impermeability, crystallinity, protection, corrosion resistance, and anti-aging properties are formed. A six-in-one rigid crystalline waterproof material. It is non-toxic, tasteless, non-combustible, and is an environmentally friendly waterproof material. And has better permeability than water. After spraying on the surface of concrete, it can quickly penetrate into the interior of the concrete, promote the release of calcium ions and undergo a secondary chemical reaction with free alkali and other chemical substances to form completely hydrophobic calcium silicate ion gel crystals. Fill gaps and capillary holes to make concrete ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B40/00C04B24/00C04B24/04C04B24/16
CPCC04B40/00C04B40/0039C04B24/045C04B24/00C04B24/006C04B24/16
Inventor 王琪宇王新
Owner 张玲
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