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A kind of concrete antifreeze and preparation method thereof

An antifreeze and concrete technology, applied in the field of concrete, can solve the problems of easy corrosion and high production and use costs, and achieve the effects of reducing alkali content, avoiding reaction, and improving workability

Active Publication Date: 2018-06-26
山东中粉建材科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the one hand, the existing concrete antifreeze is prone to rust, and on the other hand, the cost of production and use is high

Method used

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  • A kind of concrete antifreeze and preparation method thereof

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A kind of concrete antifreeze, its mass parts composition is as follows: 15 parts of sodium oxide, 8 parts of potassium aluminum sulfate, 3 parts of triisopropanolamine, 10 parts of sodium lignosulfonate, 6 parts of sodium carbonate, 12 parts of monocalcium aluminate, 3 parts of sodium carboxymethyl cellulose, 3 parts of paraffin, 1 part of sodium naphthalene acetate, 2 parts of cerium nitrate, 10 parts of tea saponin, 12 parts of p-melamine, 1.8 parts of SAF-I superplasticizer, sulfonated acetone- 0.8 parts of formaldehyde condensate, 1.2 parts of modified bentonite, 0.1 part of air-entraining agent, and 1.8 parts of defoamer.

[0025] Wherein, the modified bentonite is prepared by a microwave activation method, and the microwave activation method is as follows: the microwave frequency is 800 MHz, and the roasting activation time is 10 minutes.

[0026] Wherein, the mass parts of the air-entraining agent are composed as follows: 30 parts of camellia saponin aqueous sol...

Embodiment 2

[0030] A concrete antifreeze, its composition by mass is as follows: 16 parts of sodium oxide, 9 parts of potassium aluminum sulfate, 4 parts of triisopropanolamine, 11 parts of sodium lignosulfonate, 6.5 parts of sodium carbonate, 13 parts of monocalcium aluminate, 4 parts of sodium carboxymethyl cellulose, 3.5 parts of paraffin, 1.5 parts of sodium naphthalene acetate, 2.5 parts of cerium nitrate, 11 parts of tea saponin, 13 parts of p-melamine, 2 parts of SAF-I superplasticizer, sulfonated acetone- 1.2 parts of formaldehyde condensate, 1.5 parts of modified bentonite, 0.2 parts of air-entraining agent, and 2 parts of defoamer.

[0031] Wherein, the modified bentonite is prepared by a microwave activation method, and the microwave activation method is as follows: the microwave frequency is 800 MHz, and the roasting activation time is 10 minutes.

[0032] Wherein, the mass parts of the air-entraining agent are composed as follows: 32 parts of camellia saponin aqueous agent, 1...

Embodiment 3

[0036] A concrete antifreeze, its composition by mass is as follows: 20 parts of sodium oxide, 10 parts of potassium aluminum sulfate, 4.5 parts of triisopropanolamine, 11 parts of sodium lignosulfonate, 7 parts of sodium carbonate, 15 parts of monocalcium aluminate, 6 parts of sodium carboxymethyl cellulose, 4 parts of paraffin, 2.5 parts of sodium naphthalene acetate, 4 parts of cerium nitrate, 12 parts of tea saponin, 15 parts of p-melamine, 2.8 parts of SAF-I superplasticizer, sulfonated acetone- 1.6 parts of formaldehyde condensate, 2.5 parts of modified bentonite, 0.4 parts of air-entraining agent, and 3.2 parts of defoamer.

[0037] Wherein, the modified bentonite is prepared by a microwave activation method, and the microwave activation method is as follows: the microwave frequency is 800 MHz, and the roasting activation time is 10 minutes.

[0038] Wherein, the mass parts of the air-entraining agent are composed as follows: 35 parts of camellia saponin aqueous agent, ...

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Abstract

The invention relates to the technical field of concrete, in particular to concrete antifreezer.The concrete antifreezer is prepared from 15-25 parts of sodium oxide, 8-12 parts of aluminum potassium sulfate, 3-6 parts of triisopropanolamine, 10-12 parts of sodium lignosulphonate, 6-8 parts of sodium carbonate, 12-18 parts of monocalcium aluminate, 3-9 parts of sodium carboxymethylcellulose, 3-5 parts of paraffin, 1-4 parts of pimacol, 2-6 parts of cerous nitrate, 10-15 parts of tea saponin, 12-18 parts of melamine, 1.8-3.8 parts of SAF-I type superplasticizer, 0.8-2.4 parts of sulphonated acetone-formaldehyde resin, 1.2-3.8 parts of modified bentonite, 0.1-0.6 part of air entraining agent and 1.8-4.8 parts of antifoaming agent.The novel antifreezing components are adopted, the alkali content is greatly reduced, concrete alkali aggregate reaction can be avoided, and the antifreezer does not precipitate or crystallize when stored at the subzero temperature; the novel components do not contain ammonia and do not pollute the environment.

Description

technical field [0001] The invention relates to the technical field of concrete, in particular to a concrete antifreeze agent and a preparation method thereof. Background technique [0002] When the civil engineering industry conducts concrete construction in winter, the poured concrete is covered with thermal insulation materials to ensure the construction quality, but it is far from meeting the requirements. Antifreeze is often added to the concrete to ensure the quality of the concrete at low temperatures, while The physical properties of concrete paste are closely related to the rheological parameters of early concrete paste, and antifreeze has a great influence on its rheological parameters. [0003] Concrete antifreeze is a compound product, which can obviously improve the workability of concrete on the basis of improving the early strength, and the dosage is 2 to 5% of the total glue. When using, the dosage can be adjusted to meet the winter construction requirements...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B24/38
CPCC04B40/0039C04B2103/601C04B22/062C04B22/142C04B22/10C04B22/08C04B22/085C04B24/122C04B24/18C04B24/383C04B24/08C04B24/38C04B24/12C04B2103/302C04B24/226C04B2103/50C04B2103/304
Inventor 孙泽斌
Owner 山东中粉建材科技有限公司
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