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Concrete anti-freezing agent

An antifreeze and concrete technology, applied in the field of concrete antifreeze, can solve the problems affecting the use and appearance quality of buildings, the service life of buildings, and the quality of life, etc., and achieve good ecological safety and compatibility, good working performance, and solidification short time effect

Inactive Publication Date: 2015-08-19
唐山嘉业建材有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Chlorine salts will corrode the steel bars and affect the service life of the building; urea, ammonia water, etc. release pungent odors, affecting the quality of life. Nitrite has carcinogenic effects and can easily lead to adverse phenomena such as concrete alkali-aggregate reaction and alkali return, which affect the use of buildings. and appearance quality

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] Weigh the raw materials by the following parts by weight:

[0022]

[0023] The preparation method of concrete antifreeze is as follows:

[0024] Put water into the reaction kettle, heat to 50°C, and then add calcium formate, sodium dodecylbenzenesulfonate, alkyl glycoside, tea saponin, sodium lignosulfonate, polycarboxylate water-reducing agent in sequence while stirring agent, sodium gluconate, react for 90min, and cool down to room temperature.

Embodiment 2

[0026] Weigh the raw materials by the following parts by weight:

[0027]

[0028] The preparation method of concrete antifreeze is as follows:

[0029] Put water into the reaction kettle, heat to 55°C, then add calcium formate, sodium dodecylbenzenesulfonate, alkyl glucoside, tea saponin, sodium lignosulfonate, polycarboxylate water reducing agent, sodium gluconate, react for 80min, and cool down to room temperature.

Embodiment 3

[0031] Weigh the raw materials by the following parts by weight:

[0032]

[0033]

[0034] The preparation method of concrete antifreeze is as follows:

[0035] Put water into the reaction kettle, heat to 60°C, then add calcium formate, sodium dodecylbenzenesulfonate, alkyl glucoside, tea saponin, sodium lignosulfonate, polycarboxylic acid water reducing agent, sodium gluconate, react for 70min, and cool down to room temperature.

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PUM

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Abstract

The invention relates to the technical field of anti-freezing agents, particularly to a concrete anti-freezing agent. The concrete anti-freezing agent is formed by the following raw materials of, by weight, 15 to 25 parts of poly carboxylic acid water reducing agents, 5 to 10 parts of sodium lignin sulfonate, 5 to 10 parts of alkyl glycoside, 0.3 to 0.8 part of tea saponin, 3 to 6 parts of sodium gluconate, 0.1 to 0.5 parts of sodium dodecyl benzene sulfonate, 6 to 12 parts of calcium formate and 30 to 40 parts of water through preparation. According to the concrete anti-freezing agent, the adaptability to concrete is good, the quality is stable, the product is environmentally-friendly, various engineering requirements can be met, and the concrete can be maintained not to freeze at minus 30 DEG C to minus 20 DEG C.

Description

technical field [0001] The invention relates to the technical field of antifreeze, in particular to a concrete antifreeze. Background technique [0002] In winter construction in northern my country, in order to ensure the quality of the project and prevent concrete from freezing damage, two protective measures are mainly taken. One is to use covering or enclosure heating methods to prevent the concrete temperature from dropping below 0°C. This method is costly and complicated to operate; The second is to add antifreeze to the concrete. This method is simple in construction and good in effect, so it has been widely used in our country. [0003] So far, the pumping antifreeze used in construction projects at home and abroad are all formulated with water-reducing components, compounded with early-strength components, antifreeze components and air-entraining components. Among them, the water-reducing components include naphthalene sulfonate formaldehyde condensate (naphthalene-...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B24/24
Inventor 马健
Owner 唐山嘉业建材有限公司
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