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Cement sealing and solidifying agent and construction technique thereof

A sealing and curing agent and cement technology, which is applied in the field of lithium-based permeable crystalline cement sealing and curing agent and its construction technology, can solve the problems of poor control of defects, easy efflorescence and whitening, and different performances, so as to prolong the service life and improve the permeability. Strong strength and good anti-aging effect

Inactive Publication Date: 2014-09-03
HARBIN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006]Limited improvement of concrete strength and wear resistance, poor control of disadvantages, easy to efflorescence and whitening, the market for this product is mainly imported products, and now In addition, because most of the domestic products are imitations, it cannot completely copy the imported products in terms of material additives, and there is a big difference in performance

Method used

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Examples

Experimental program
Comparison scheme
Effect test

example 1

[0039] First, prepare the cement seal curing agent: use lithium silicate and sodium silicate with a modulus of 1.5. Weigh 20 g of sodium silicate, 12 g of lithium silicate, 4 g of magnesium fluorosilicate, and 4 g of sodium dihydrogen phosphate according to the formula. Mix the weighed components evenly, add 60 g of water at room temperature and stir at a constant speed for 60 minutes. The prepared cement sealant curing agent solution is uniform, stable and transparent, ready for use.

[0040] Then carry out the treatment of the ground and the construction of the curing agent (old ground): grind the ground with a grinder to make the ground as smooth as possible, remove floating dust, repeatedly mop with a water-soaked mop to remove dirt, and dry the ground naturally. Spray the cement seal curing agent on the prepared ground with a low-pressure nozzle at room temperature, leaving no dead space, and the dosage is 0.25kg / m 2 ,Naturally dry for 24 hours. Rinse the ground with cl...

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Abstract

The invention relates to a construction paint, particularly a lithium-base permeable crystallization cement sealing and solidifying agent. The cement sealing and solidifying agent is composed of 15-20 parts of sodium silicate, 8-15 parts of lithium metasilicate, 3-5 parts of magnesium fluosilicate, 2-4 parts of sodium dihydrogen phosphate, 0-6 parts of water-based color paste for paint and 50-70 parts of water. The construction technique comprises the following steps: new ground: troweling the new ground, carrying out primary hardening, coating the solidifying agent, completely drying and curing, flushing the ground with clear water, naturally drying, and sanding and polishing with a sander; and old ground: sanding and cleaning the old ground, coating the solidifying agent, naturally drying, cleaning the ground, naturally drying, and sanding and polishing (or additionally coating solidifying agent, cleaning the ground, naturally drying, and sanding and polishing). By using the solidifying agent and construction technique, the strength, hardness and compactness of the concrete are greatly enhanced, and the durability and weathering resistance of the concrete are effectively improved.

Description

technical field [0001] The invention relates to a cement floor improvement coating and its construction technology, in particular to a lithium-based permeable crystalline cement sealing and curing agent and its construction technology. Background technique [0002] Concrete curing agent is an alkali-activated inorganic silicon waterproofing agent for chemically penetrating concrete. The catalyst in the component can condense with the free alkali of concrete to form branch-like fine particle crystals, which close the capillary pores and micro-cracks of concrete, forming a The waterproof protection of the inner barrier can improve the compressive strength and compactness of the concrete surface, and can effectively prevent the infiltration of external moisture and corrosive gases. [0003] After using the concrete sealing and curing agent, a lot of silica gel crystals are formed inside the concrete. After hydration, these silica gels become firm, breathable, and clustered subs...

Claims

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Application Information

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IPC IPC(8): C04B41/50
Inventor 李东平蒋少雄赵广杰孙腾远李艳蓉
Owner HARBIN UNIV OF SCI & TECH
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