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Alkali-free concrete accelerator and processing method thereof

A technology of concrete and quick-setting admixture, applied in the field of concrete quick-setting admixture, can solve the problems of monotonous color of caulking agent, easy opening of joints, easy occurrence of cracks, etc., achieving high impermeability level, high safety, and preventing deterioration. Effect

Inactive Publication Date: 2020-04-14
湖南加美乐素新材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, the caulking agents used in the market are monotonous in color, mostly gray or white, and their decoration is poor. The existing caulking agents have poor cohesive force, and the joints are easy to open. , aging resistance, and cracks are easy to appear in the clamp channel, so it cannot meet the needs of users

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] An alkali-free concrete accelerator, comprising the following raw materials by weight: 35 parts of aluminum sulfate, 3 parts of organic amine, 1 part of stabilizer, 2 parts of suspending agent, 26 parts of water, 3.5 parts of bentonite, and 4.5% of magnesium fluorosilicate .

[0028] A kind of preparation and processing method of alkali-free concrete quick-setting agent, concrete steps are as follows:

[0029] (1): take each raw material according to parts by weight;

[0030] (2): Add the weighed magnesium fluorosilicate and aluminum sulfate into the grinding machine for grinding, and pass through a 80-300 mesh sieve;

[0031] (3): Add the powder obtained in step (2) into the reactor, then add organic amine, suspending agent and water into the reactor, then turn on the electric heating tube inside the reactor for heating, and control the heating temperature: 60-80 At the same time, turn on the stirrer inside the reaction kettle, stir at 200-300r / min for 10-20min, stir...

Embodiment 2

[0035] The raw materials include the following weight components: 40 parts of aluminum sulfate, 4 parts of organic amine, 1.2 parts of stabilizer, 2.4 parts of suspending agent, 27 parts of water, 3.7 parts of bentonite and 4.7% of magnesium fluorosilicate.

[0036] A kind of preparation and processing method of alkali-free concrete quick-setting agent, concrete steps are as follows:

[0037] (1): take each raw material according to parts by weight;

[0038] (2): Add the weighed magnesium fluorosilicate and aluminum sulfate into the grinding machine for grinding, and pass through a 80-300 mesh sieve;

[0039] (3): Add the powder obtained in step (2) into the reactor, then add organic amine, suspending agent and water into the reactor, then turn on the electric heating tube inside the reactor for heating, and control the heating temperature: 60-80 At the same time, turn on the stirrer inside the reaction kettle, stir at 200-300r / min for 10-20min, stir and mix through the stirr...

Embodiment 3

[0043] The raw materials include the following weight components: 45 parts of aluminum sulfate, 5 parts of organic amine, 1.4 parts of stabilizer, 82 parts of suspending agent, 28 parts of water, 3.9 parts of bentonite, and 4.9% of magnesium fluorosilicate.

[0044] A kind of preparation and processing method of alkali-free concrete quick-setting agent, concrete steps are as follows:

[0045] (1): take each raw material according to parts by weight;

[0046] (2): Add the weighed magnesium fluorosilicate and aluminum sulfate into the grinding machine for grinding, and pass through a 80-300 mesh sieve;

[0047] (3): Add the powder obtained in step (2) into the reactor, then add organic amine, suspending agent and water into the reactor, then turn on the electric heating tube inside the reactor for heating, and control the heating temperature: 60-80 At the same time, turn on the stirrer inside the reaction kettle, stir at 200-300r / min for 10-20min, stir and mix through the stirr...

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Abstract

The invention discloses an alkali-free concrete accelerator and a processing method thereof. The alkali-free concrete accelerator comprises the following raw materials in parts by weight: 30-65 partsof aluminum sulfate, 2-8 parts of an organic amine, 1-3% of a stabilizer, 1-5 parts of a suspending agent, 20-35 parts of water, 2-5 parts of bentonite and 4-6% of magnesium fluosilicate. In the present invention, the caulking agent for building decoration of prefabricated parts is simple in preparation method, low in cost, is liquid after preparation, can be uniformly mixed with concrete conveniently, contains no alkali or chlorine or pungent smell, is high in safety, is harmless to human body, is excellent in cohesiveness; adding of a stabilizing agent can prolong the storage time, preventdeterioration; magnesium fluosilicate and aluminum sulfate are adopted for cooperative using, so that the resilience value is low, later strength retention rate is high, and impermeability grade is high; adding of the alkali-free concrete accelerator in sprayed concrete is capable of achieving a preferable working environment and considerable market value.

Description

technical field [0001] The invention relates to the technical field of concrete quick-setting agents, in particular to an alkali-free concrete quick-setting agent and a processing method thereof. Background technique [0002] The caulking agent is a kind of gray powder prepared from polymer materials and base materials. It is mainly used for hooking and inlaying various stone joints such as glazed tiles, marble, and granite. [0003] At present, the caulking agents used in the market are monotonous in color, mostly gray or white, and their decoration is poor. The existing caulking agents have poor cohesive force, and the joints are easy to open. , aging resistance, and cracks are prone to appear in the clamp channel, so it cannot meet the needs of users. Contents of the invention [0004] The purpose of the present invention is in order to solve the shortcoming that exists in the prior art, and propose a kind of alkali-free concrete quick-setting agent and preparation met...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B24/12C04B103/12
CPCC04B40/0039C04B2103/12C04B22/148C04B24/122C04B22/00C04B22/126C04B22/165C04B2103/0068
Inventor 王伟龙威
Owner 湖南加美乐素新材料股份有限公司
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