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A modified polycarboxylate powder water reducer specially used in fluid mortar

A technology of polycarboxylic acid and water reducer, applied in the field of concrete, can solve the problems that the efficiency and quality cannot be well guaranteed, and achieve the effect of improving self-healing performance, increasing tolerance, and improving work efficiency

Active Publication Date: 2017-10-24
SUZHOU XINGBANG CHEM BUILDING MATERIALS
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In particular, with the progress of society, the price of labor is getting higher and higher, and relying solely on manual work to complete some tasks cannot be well guaranteed in terms of efficiency and quality.

Method used

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Embodiment Construction

[0016] The technical solutions in the embodiments of the present invention will be described clearly and completely below. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work shall fall within the protection scope of the present invention.

[0017] The embodiments of the present invention include:

[0018] A modified polycarboxylic acid powder water reducing agent specially used in fluid mortar, including the following components by mass percentage:

[0019] 90.0-98.0% of the original powder of polycarboxylic acid water reducing agent;

[0020] Superfine talcum powder 0.5-5.0%;

[0021] Anti-adsorbent 0.25-1.0%;

[0022] High-viscosity biosynthetic collagen 0.03-0.08%;

[0023] Raw fiber synthetic pulp 0.3-0.5%;

[0024] High degree of polymerization retarder 0.5-2.0%.

[...

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Abstract

The invention discloses a modified polycarboxylate powder water-reducer specially used in fluid mortar, which comprises the following components in mass percent: 90.0-98.0% of the original powder of polycarboxylate water-reducer; 0.5-98.0% of superfine talc powder 5.0%; anti-adsorption agent 0.25-1.0%; high-viscosity biosynthetic collagen 0.03-0.08%; fibrillar synthetic pulp 0.3-0.5%; high polymerization retarder 0.5-2.0%. Through the above-mentioned method, the modified polycarboxylate powder water-reducer specially used in fluidity mortar provided by the present invention can improve the flow performance of the polycarboxylate water-reducer by means of effective and low-dosage additives through physical compounding , increase the spreading area of ​​the fluid mortar, prolong the release time of the polycarboxylate superplasticizer force, maintain a good construction work degree, improve work efficiency, and improve the construction quality.

Description

Technical field [0001] The invention relates to the field of concrete, in particular to a modified polycarboxylic acid powder water-reducing agent specially used in fluid mortar. Background technique [0002] Generally, polycarboxylic acid water-reducing agents are used in fluid mortars, and the time point of their effects varies with different materials. In other words, the time for the water reducing agent to exert its maximum effect is different. Some can fully take effect within 15 seconds and achieve the best flow performance. Some need to extend the mixing time to 1 minute to achieve the best flow effect. Although the dosage is the same, the application areas will be different. In particular, with the progress of society, the price of labor is getting higher and higher. Simply relying on manual labor to complete some work cannot be guaranteed in terms of efficiency and quality. This requires the use of mechanized construction, it must be matched with appropriate materials...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B24/24C04B103/30
Inventor 王香港
Owner SUZHOU XINGBANG CHEM BUILDING MATERIALS
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