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

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...

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 strength of Portland cement within four weeks; dicalcium silicate exerts its strength after four weeks, and reaches the strength of tricalcium silicate in about one year; the strength of tricalcium aluminate It develops faster, but its strength is low, and it plays a certain role in the strength of Portland cement within 1 to 3 days or a little longer; The strength contribution of salt cement is small

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