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Aqueous concrete seal hardener and preparation method thereof

A technology of concrete and hardener, applied in the field of construction engineering, can solve the problems of inconvenient transportation and storage, troublesome construction, etc., and achieve the effect of dense internal structure, simple construction and long-lasting effect

Active Publication Date: 2011-04-27
山东高速岩土科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This invention comprehensively utilizes the dual effects of lithium-based salt hardener and organic resin hardener to achieve its dense hardening effect, but its construction is troublesome, and because it involves two components, it is very inconvenient in transportation and storage

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] The composition and weight percent of this embodiment are silica sol (SiO 2 Concentration is 40%): 30%, potassium metaaluminate (concentration is 45%): 0.25%, non-foaming surfactant 8550: 0.25%, potassium methyl silicate (concentration is 40%): 2.5%; deionized Water: 67.0%. To prepare a 100kg sample for trial mixing.

[0022] The first step, weigh 22.3kg of deionized water and place it in the reactor, stir at a medium speed, slowly add 0.25kg of non-foaming surfactant 8550, stir for 5 minutes, slowly add 0.25kg of potassium metaaluminate, stir for 10 Minutes, stir at low speed for 15 minutes, cover the reactor lid, and allow it to cool slowly to room temperature. Solution 1 was formed.

[0023] Step 2: Weigh 22.3kg of deionized water and place it in the reactor, stir at medium speed, slowly add 30kg of silica sol, stir at medium speed for 15 minutes, slowly add solution 1 and stir at low speed for 10 minutes to form solution 2.

[0024] Step 3: Weigh 22.4kg of deion...

Embodiment 2

[0027] The composition and weight percent of this embodiment are silica sol (SiO 2 Concentration is 40%): 40%, potassium metaaluminate (concentration is 45%): 3.0%, non-foaming surfactant 8550: 0.1%, potassium methyl silicate (concentration is 40%): 1.0%; deionized Water: 55.9%. To prepare a 100kg sample for trial mixing.

[0028] The first step, weigh 18.6kg of deionized water and place it in the reactor, stir at a medium speed, slowly add 0.1kg of non-foaming surfactant 8550, stir for 5 minutes, slowly add 3.0kg of potassium metaaluminate, stir for 10 Minutes, stir at low speed for 15 minutes, cover the reactor lid, and allow it to cool slowly to room temperature. Solution 1 was formed.

[0029] Step 2: Weigh 18.6kg of deionized water and place it in the reactor, stir at medium speed, slowly add 40kg of silica sol, stir at medium speed for 15 minutes, slowly add solution 1 and stir at low speed for 10 minutes to form solution 2.

[0030] Step 3: Weigh 18.7kg of deionized...

Embodiment 3

[0033] The composition and weight percent of this embodiment are silica sol (SiO 2 Concentration is 40%): 35%, potassium metaaluminate (concentration is 45%): 1.5%, non-foaming surfactant 8550: 0.5%, potassium methyl silicate (concentration is 40%): 5.0%; deionized Water: 58.0%. To prepare a 100kg sample for trial mixing.

[0034] The first step, weigh 19.3kg of deionized water and place it in the reactor, stir at a medium speed, slowly add 0.5kg of non-foaming surfactant 8550, stir for 5 minutes, slowly add 1.5kg of potassium metaaluminate, stir for 10 Minutes, stir at low speed for 15 minutes, cover the reactor lid, and allow it to cool slowly to room temperature. Solution 1 was formed.

[0035] Step 2: Weigh 19.3kg of deionized water and place it in the reactor, stir at medium speed, slowly add 35kg of silica sol, stir at medium speed for 15 minutes, slowly add solution 1 and stir at low speed for 10 minutes to form solution 2.

[0036]Step 3: Weigh 19.4kg of deionized ...

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Abstract

The invention relates to an aqueous concrete seal hardener and a preparation method thereof in the technical field of building materials. The aqueous concrete seal hardener comprises the following ingredients by mass percentage: 30-40 percent of silicon sol, 0.25-3.0 percent of catalyst, 0.1-0.5 percent of surface active agent, 1-5 percent of potassium methyl silicate and 53.0-66.75 percent of deionized water. In the invention, the aqueous concrete seal hardener can be directly sprayed on the surface of the concrete for construction without pollution; the aqueous concrete seal hardener has strong abrasive resistance, the hardness of the concrete is greatly improved, and the aqueous concrete seal hardener has the characteristics of high sealing property, strong water repellency and dust-proofing performance, hydrolysis is carried out by potassium methyl silicate in the hardener on the surface of the concrete and inside the concrete after permeation, so as to form a membrane with hydrophobic nature and realize the water-repellency and dust-proofing performance; the action of the aqueous concrete seal hardener is durable, and the surface of the concrete has waxing-like luster after the concrete is used for a long time.

Description

technical field [0001] The invention relates to a material and a preparation method in the technical field of construction engineering, in particular to a water-based concrete sealing hardener and a preparation method thereof. Background technique [0002] As a bulk and widely used building material, concrete plays a huge role in modern construction projects. However, due to some inherent defects and deficiencies in the use of ordinary concrete as a floor and pavement material, it is usually easy to dust, poor wear resistance, easy to oil and other phenomena that affect its effect. In order to avoid these phenomena, people do not directly use ordinary concrete as a floor material, or pour a layer of epoxy resin on the concrete surface as a floor material, which increases the construction cost on the one hand, and the later maintenance cost is also relatively high. high. Therefore, in recent years, some cement floor hardeners have appeared on the market. By spraying the cu...

Claims

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Application Information

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IPC IPC(8): C04B41/50
CPCC04B41/009C04B41/5035
Inventor 陈兵
Owner 山东高速岩土科技有限公司
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