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Rapid hardening internal curing mortar

A mortar and curing agent technology, applied in the field of mortar, can solve the problems of easy reduction of strength, high labor intensity, slow mortar construction, etc., and achieve the effect of improving pore wettability, improving mechanical properties, and increasing relative humidity

Inactive Publication Date: 2018-04-13
王德元
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] With the improvement of people's living standards, mortar is an important part of construction. Traditional mortar can no longer meet people's needs. It is used in large shopping malls, supermarkets, parking lots, warehouses, cinemas, hospitals, sidewalks, and precision instrument production workshops. For the construction of commercial or industrial buildings such as pharmaceutical factory workshops, the existing mortar construction is slow, labor-intensive, high-strength and hardening time is not easy to control, prone to cracks, and the hardening time generally takes a few days before subsequent construction can be carried out
The existing mortar maintenance has the defects of long time, unstable maintenance and easy reduction of strength

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0023] A fast-hardening internal curing mortar and a preparation method thereof, the preparation method comprising: first preparing an internal curing agent, the preparation method comprising the following steps: the internal curing agent includes the following raw materials in parts by weight: 33 parts of porous silicon airgel, hydroxyethyl 3 parts of cellulose, 2 parts of sodium gluconate, 1 part of hydroxypropyl starch ether, 1 part of potassium phosphate, 16 parts of water, mix hydroxyethyl cellulose, sodium gluconate, hydroxypropyl starch ether, potassium phosphate and water , and put in a water bath at 40°C, then add porous silicon airgel and mix evenly and let it stand for 2 hours to obtain the internal curing agent;

[0024] Secondly prepare quick-setting agent, its preparation method comprises the following steps: ball mill in ball mill after mixing 65 parts by weight of bauxite and 20 parts of zinc oxide, ball milling time is 45 minutes, obtain ball mill material, the...

Embodiment 2

[0027] A fast-hardening internal curing mortar and a preparation method thereof, the preparation method comprising: first preparing an internal curing agent, the preparation method comprising the following steps: the internal curing agent includes the following raw materials in parts by weight: 32 parts of porous silicon airgel, hydroxyethyl 5 parts of cellulose, 3 parts of sodium gluconate, 2 parts of hydroxypropyl starch ether, 1 part of potassium phosphate, 15 parts of water, mix hydroxyethyl cellulose, sodium gluconate, hydroxypropyl starch ether, potassium phosphate and water , and put it in a water bath at 40°C, then add porous silicon airgel, mix evenly and let it stand for 4 hours to obtain an internal curing agent;

[0028] Secondly prepare quick-setting agent, its preparation method comprises the following steps: ball mill in ball mill after mixing 55 parts by weight of bauxite and 25 parts of zinc oxide, ball milling time is 50 minutes, obtain ball mill material, the...

Embodiment 3

[0031] A fast-hardening internal curing mortar and a preparation method thereof, the preparation method comprising: first preparing an internal curing agent, the preparation method comprising the following steps: the internal curing agent includes the following raw materials in parts by weight: 40 parts of porous silicon airgel, hydroxyethyl 3 parts of cellulose, 3 parts of sodium gluconate, 2 parts of hydroxypropyl starch ether, 1 part of potassium phosphate, 13 parts of water, mix hydroxyethyl cellulose, sodium gluconate, hydroxypropyl starch ether, potassium phosphate and water , and put it in a water bath at 40°C, then add porous silicon airgel, mix evenly and let it stand for 2.5 hours to obtain an internal curing agent;

[0032] Secondly prepare quick-setting agent, its preparation method comprises the following steps: after mixing 60 parts by weight of bauxite and 20 parts of zinc oxide, ball milling in a ball mill, the ball milling time is 36 minutes, to obtain a ball m...

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Abstract

The invention relates to rapid hardening internal curing mortar. A preparation method of the rapid hardening internal curing mortar comprises the following steps: mixing 50-70 parts by weight of bauxite and 20-25 parts by weight of zinc oxide, and then conducting ball-milling in a ball mill for 30-50 minutes to obtain a ball milling material, and mixing the ball milling material with 10-20 parts by weight of aluminum phosphate, 5-10 parts by weight of sodium hydroxide and 2-10 parts by weight of ferrous sulfate. An internal curing material provides moisture for the internal part of the mortar,then the relative humidity of the internal part of the mortar is increased, the hydration is accelerated, the internal curing material increases the degree of hydration of the mortar, the productionof C-S-H of a hydration product is increased, and compared with the conventional curing in the later period, the mechanical property of the mortar is improved.

Description

technical field [0001] The invention relates to a quick-hardening internal maintenance mortar, which belongs to the technical field of mortar. Background technique [0002] With the improvement of people's living standards, mortar is an important part of construction. Traditional mortar can no longer meet people's needs. It is used in large shopping malls, supermarkets, parking lots, warehouses, cinemas, hospitals, sidewalks, and precision instrument production workshops. For the construction of commercial or industrial buildings such as pharmaceutical factory workshops, the existing mortar construction is slow, labor-intensive, high-strength and hardening time is not easy to control, prone to cracks, and the hardening time generally takes a few days before subsequent construction can be carried out . The existing mortar has the defects of long maintenance time, unstable maintenance and easy reduction of strength. Contents of the invention [0003] In order to solve the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04C04B24/38C04B103/12
CPCC04B28/04C04B40/0039C04B2103/12C04B2201/50C04B18/141C04B22/144C04B14/06C04B24/42C04B14/48C04B2103/0057C04B14/064C04B24/383C04B24/10C04B24/38C04B22/16C04B22/06C04B22/062C04B22/149C04B22/126
Inventor 王德元
Owner 王德元
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