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Concrete enhancing agent as well as preparation method, application and composition thereof

A technology of concrete reinforcing agent and polymer, which is applied in the field of concrete reinforcing agent and admixture to enhance the compressive strength of concrete. sex good effect

Active Publication Date: 2014-04-16
HUZHOU GREEN BUILDING MATERIALS DEV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a concrete reinforcing agent for the problem that existing concrete admixtures have poor ability to improve the compressive strength of concrete products

Method used

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  • Concrete enhancing agent as well as preparation method, application and composition thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A concrete reinforcing agent, which is composed of an organic high molecular polymer and a compounding agent, the organic high molecular polymer is an aqueous solution of polyacrylamide copolymer; the compounding agent is composed of colloidal silicon dioxide, triisopropanolamine, three Composed of sodium polyphosphate and triethanolamine; the appearance of the enhancer is a light red liquid with a solid content of 25wt% and a pH value of 8.9.

[0028] Each substance is specifically as follows: 50 g of polyacrylamide copolymer aqueous solution, 2.5 g of colloidal silicon dioxide, 1.5 g of triisopropanolamine, 2.0 g of sodium tripolyphosphate, and 1.5 g of triethanolamine.

[0029] The above-mentioned concrete reinforcing agent is prepared by the following method. First, the raw materials of the compounding agent are prepared into a compounding agent solution with water in proportion, and then the compounding agent solution is added to the polyacrylamide copolymer aqueous...

Embodiment 2

[0031] A concrete reinforcing agent, which is composed of an organic high molecular polymer and a compounding agent, the organic high molecular polymer is an aqueous solution of polyacrylamide copolymer; the compounding agent is composed of colloidal silicon dioxide, triisopropanolamine, three Composed of sodium polyphosphate and triethanolamine; the appearance of the enhancer is a light red liquid with a solid content of 23.2wt% and a pH value of 9.0.

[0032] Each substance is specifically as follows: 53.3 g of polyacrylamide copolymer aqueous solution, 2.0 g of colloidal silicon dioxide, 1.5 g of triisopropanolamine, 1.0 g of sodium tripolyphosphate, and 1.2 g of triethanolamine.

[0033] The above-mentioned concrete reinforcing agent is prepared by the following method. First, the raw materials of the compounding agent are prepared into a compounding agent solution with water in proportion, and then the compounding agent solution is added to the polyacrylamide copolymer aqu...

Embodiment 3

[0035] A concrete reinforcing agent, it is made up of organic macromolecular polymer and compounding agent, and described organic macromolecular polymer is polyacrylamide copolymer aqueous solution; Described compounding agent is made of colloidal silicon dioxide, triisopropanolamine,, Composed of sodium tripolyphosphate and triethanolamine; the appearance of the enhancer is a light red liquid with a solid content of 21.1wt% and a pH value of 9.3.

[0036] Each substance is specifically as follows: 55 g of polyacrylamide copolymer aqueous solution, 2.0 g of colloidal silicon dioxide, 0.5 g of triisopropanolamine, 0.5 g of sodium tripolyphosphate, and 1.0 g of triethanolamine.

[0037] The above-mentioned concrete reinforcing agent is prepared by the following method. First, the raw materials of the compounding agent are prepared into a compounding agent solution with water in proportion, and then the compounding agent solution is added to the polyacrylamide copolymer aqueous so...

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Abstract

The invention relates to a concrete enhancing agent, in particular to an additive for enhancing the concrete compression strength, belonging to the technical field of an additive for construction. The concrete enhancing agent is formed by a polyacrylamide copolymer water solution and a compounding agent, wherein the polyacrylamide copolymer water solution accounts for 80-95% of the mass of the enhancing agent; and the additive accounts for 5-20% of the mass of the enhancing agent. The concrete enhancing agent disclosed by the invention has good adaptability to cement of various types and does not have rusting damage to steel bars, so that the concrete enhancing agent can be used for various prefabricated and cast-in-place concrete; and the concrete enhancing agent disclosed by the invention has the good adaptability to other commonly-used additives, and the strength grade of the concrete can be obviously improved after the suitable amount of the concrete enhancing agent is added into the concrete.

Description

technical field [0001] The invention relates to a concrete reinforcing agent, in particular to an admixture for enhancing the compressive strength of concrete, and belongs to the technical field of admixtures for construction. Background technique [0002] Compared with cement mortar, concrete is obviously superior in terms of strength and durability after curing, so concrete structures are widely used. Generally speaking, the strength of concrete structures can be improved by adding admixtures for improving permeability in concrete structures. Concrete admixtures can be divided into the following four categories according to their main functions: ①Admixtures to improve the rheological properties of concrete mixture, including ordinary water reducers and high-efficiency water reducers, air-entraining agents and pumping agents; ②Adjustment of concrete setting time, Admixtures for hardening properties, including retarders, early strength agents and accelerators; ③Admixtures t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B24/26C04B28/00
Inventor 朱士荣卞顺发黄清林朱维梁张海棠
Owner HUZHOU GREEN BUILDING MATERIALS DEV
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