Special curing agent for indoor cement ground, and use method thereof

A curing agent and ground technology, applied in the direction of floors, buildings, building structures, etc., can solve the problems of unfavorable environmental protection, low strength, small strength contribution of Portland cement, etc., to achieve easy portability and handling, and enhanced wear resistance. , Save the effect of a long validity period

Active Publication Date: 2018-09-25
深圳市金铸固化剂地坪有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] However, the main component interface agent of the cement curing agent in the above scheme is organic matter, generally made of vinyl acetate-ethylene, which is not conducive to environmental protection; the main mineral composition of Portland cement is: tricalcium silicate, dicalcium silicate, aluminate Tricalcium, tetracalcium aluminoferrite
Tricalcium silicate determines the stren...

Method used

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  • Special curing agent for indoor cement ground, and use method thereof
  • Special curing agent for indoor cement ground, and use method thereof
  • Special curing agent for indoor cement ground, and use method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0054] A special curing agent for indoor cement floor, which contains sodium silicate, lithium silicate, magnesium fluorosilicate hexahydrate and isoparaffin, in the form of white dry powder.

[0055] Its specific formula is 200 parts of sodium silicate, 114 parts of lithium silicate, 28 parts of magnesium fluorosilicate hexahydrate, and 3 parts of isoparaffin.

[0056] Wherein magnesium fluorosilicate hexahydrate (mass fraction ≥ 75%) is produced by oneself, and the reaction steps are as follows,

[0057] Fluorosilicic acid is made by heating reaction of fluorite powder, silica sand and concentrated sulfuric acid. Calcium fluoride, the main component of fluorite powder, and silicon dioxide, the main component of silica sand, react with concentrated sulfuric acid to produce hydrogen fluoride and tetrafluoride as raw materials for preparing fluosilicic acid. SiO, the main reaction is

[0058]

[0059] Calcium sulfate is slightly soluble in water and will form precipitates. ...

Embodiment 2

[0066] A special curing agent for indoor cement floor, the difference between embodiment two and embodiment one is that 84 parts of lithium silicate are added in its specific formula.

Embodiment 3

[0068] A special curing agent for indoor cement floor, the difference between embodiment three and embodiment one is that 150 parts of sodium silicate are added in its specific formula.

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Abstract

The invention discloses a special curing agent for indoor cement ground, and a use method thereof. In the prior art, the general cement curing agent is not suitable for different grounds with different active ingredients, and the reaction is insufficient. A purpose of the present invention is to solve the problems in the prior art. The technical scheme of the present invention is that the specialcuring agent is dry powder, and contains sodium silicate, lithium silicate, magnesium fluorosilicate hexahydrate and isoparaffin. According to the present invention, the special curing agent is the dry powder, does not contain water, and can be added with water according to a certain ratio before the use, such that the ratio of various components can be easily and flexibly adjusted according to the ground conditions; the dry powder has advantages of light mass, convenient carrying, convenient transportation, easy sealing during the transportation and less leakage; and the special curing agenthas the long shelf life, and various components of the special curing agent are not easily subjected to coordinating and other reactions.

Description

technical field [0001] The invention relates to the field of building construction, more specifically, it relates to a special curing agent for indoor cement floor and a preparation method thereof. Background technique [0002] After the cement floor has been used for a period of time, the ground will appear sanding and dusting to varying degrees, and an alkali aggregate reaction (ASR) will occur, that is, when the content of alkaline oxides in the cement is high, it will react with the aggregate contained in the aggregate. Silica undergoes a chemical reaction and forms an alkali-silicic acid gel on the surface of the aggregate. The reaction mechanism is [0003] Na + (K + )+SiO 2 +OH - →Na(K)-SiO 2 -Hgel [0004] When the volume of the alkali silicate gel after water absorption is larger than the solid volume before the reaction, the volume can increase by more than 3 times at the maximum, and the accumulation and expansion of a large amount of gel in the interface ar...

Claims

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Application Information

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IPC IPC(8): C04B41/68E04F15/12
CPCC04B41/5024C04B41/68E04F15/12C04B41/4556C04B41/5018C04B41/46
Inventor 杨飞杨东明
Owner 深圳市金铸固化剂地坪有限公司
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