Modified polycarboxylate powder superplasticizer dedicated to flowable 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 effects of improving self-healing performance, improving construction quality, and improving work efficiency

Active Publication Date: 2015-11-11
SUZHOU XINGBANG CHEM BUILDING MATERIALS
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  • Abstract
  • Description
  • Claims
  • Application Information

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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 following will clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only some 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 persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0017] Embodiments of the invention include:

[0018] A modified polycarboxylate powder water reducer specially used in fluid mortar, including the following components in mass percentage:

[0019] Polycarboxylate superplasticizer raw powder 90.0-98.0%;

[0020] Ultrafine talc powder 0.5-5.0%;

[0021] Anti-adsorbent 0.25-1.0%;

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

[0023] Fibril synthetic pulp 0.3-0.5%;

[0024] High polymerization retarder 0.5-2.0%.

[0025] Among the above, the fineness ...

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PUM

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Abstract

The present invention discloses a modified polycarboxylate powder superplasticizer dedicated to flowable mortar. The superplasticizer comprises the following components by weight: 90.0-98.0% of a polycarboxylate original powder, 0.5-5.0% of superfine talc, 0.25-1.0% of an anti-adsorbent, 0.03-0.08% of high-viscosity biosynthesis collagen, 0.3-0.5% of fibril synthesized pulp, and 0.5-2.0% of retarder with high degree of polymerization. Through the above-described manner, the modified polycarboxylate powder superplasticizer dedicated to flowable mortar provided by the present invention with the help of physical complex and efficient, low-dosage additive improves the flowability of polycarboxylate superplasticizer, improves the spreading area of flowable mortar, extends the release time of the polycarboxylate force, maintains good degree of construction work, improves work efficiency, and improves the quality of construction.

Description

technical field [0001] The invention relates to the field of concrete, in particular to a modified polycarboxylate powder water reducer specially used in fluid mortar. Background technique [0002] Generally, polycarboxylate superplasticizer is used in fluid mortar, and the time point of its function varies with different materials. In other words, the time for the superplasticizer to exert its maximum effect is different. Some can fully exert their effect in 15 seconds, and the fluidity performance can reach the best, while some need to prolong the stirring time to 1 minute to achieve the best fluidity effect. Although the dosage is the same, the fields of application will be different. In particular, with the progress of society, the price of labor is getting higher and higher. Simply relying on manual work to complete some tasks cannot be well guaranteed in terms of efficiency and quality. This requires the use of mechanized construction, which must be matched with suit...

Claims

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Application Information

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