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Water reducing agent for concrete

A technology for concrete and water reducing agent, applied in the field of concrete accessories, can solve the problems of low anti-bleeding ability, large conveying resistance, poor anti-freezing ability, etc., and achieves simple and easy-to-master production method, small conveying resistance and good appearance quality. Effect

Active Publication Date: 2017-02-15
GUANGDONG GUANGZE IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the water-reducing agent for concrete in the prior art has high cost, complicated manufacturing process, difficult method, low qualified rate of finished products, poor slump resistance, low anti-bleeding ability, large conveying resistance, air bubbles, appearance Poor quality, poor frost resistance

Method used

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  • Water reducing agent for concrete

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] A water reducing agent for concrete is characterized in that it is composed of the following raw materials in parts by weight:

[0031] Polyethylene glycol: 20 to 35 parts;

[0032] Aminobenzenesulfonic acid: 3 to 5 parts;

[0033] Acrylic acid: 20-40 parts;

[0034] Boric acid: 3 to 5 parts;

[0035] Hydroquinone: 0.5 to 1.5 parts;

[0036] Cyclohexane: 80-120 parts;

[0037] Polyethylene glycol methacrylate: 30-40 parts;

[0038] Ammonium persulfate: 1 to 2 parts;

[0039] Mercaptoethanol: 1 to 2 parts;

[0040] Formaldehyde: 15-25 parts;

[0041] Water glass: 30-50 parts;

[0042] Calcium silicate: 10-16 parts;

[0043] Sodium methacrylate: 6-10 parts;

[0044] Commercially available water-based rust inhibitor JX-502: 5-10 parts;

[0045] Commercially available concrete defoamer of model XWC-2530 or BYC-0852: 5-10 parts;

[0046] Water: 200-300 parts;

[0047] Sodium hydroxide: 10-30 parts.

Embodiment 2

[0049] A water reducing agent for concrete is characterized in that it is composed of the following raw materials in parts by weight:

[0050] Polyethylene glycol: 20 parts;

[0051] Aminobenzenesulfonic acid: 3 parts;

[0052] Acrylic acid: 20 parts;

[0053] Boric acid: 3 parts;

[0054] Hydroquinone: 0.5 parts;

[0055] Cyclohexane: 80 parts;

[0056] Polyethylene glycol methacrylate: 30 parts;

[0057] Ammonium persulfate: 1 part;

[0058] Mercaptoethanol: 1 part;

[0059] Formaldehyde: 15 parts;

[0060] Water glass: 30 parts;

[0061] Calcium silicate: 10 parts;

[0062] Sodium methacrylate: 6 parts;

[0063] Commercially available water-based antirust agent of model JX-502: 5 parts;

[0064] Commercially available concrete defoamer of model XWC-2530 or BYC-0852: 5 parts;

[0065] Water: 200 parts;

[0066] Sodium hydroxide: 10 parts.

Embodiment 3

[0068] A water reducing agent for concrete is characterized in that it is composed of the following raw materials in parts by weight:

[0069] Polyethylene glycol: 35 parts;

[0070] Sulfuran: 5 parts;

[0071] Acrylic acid: 40 parts;

[0072] Boric acid: 5 parts;

[0073] Hydroquinone: 1.5 parts;

[0074] Cyclohexane: 120 parts;

[0075] Polyethylene glycol methacrylate: 40 parts;

[0076] Ammonium persulfate: 2 parts;

[0077] Mercaptoethanol: 2 parts;

[0078] Formaldehyde: 25 parts;

[0079] Water glass: 50 parts;

[0080] Calcium silicate: 16 parts;

[0081] Sodium methacrylate: 10 parts;

[0082] Commercially available water-based antirust agent of model JX-502: 10 parts;

[0083] Commercially available concrete defoamer of model XWC-2530 or model BYC-0852: 10 parts;

[0084] Water: 300 parts;

[0085] Sodium hydroxide: 30 parts.

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Abstract

The invention belongs to the technical field of concrete auxiliary material, and particularly relates to a water reducing agent for concrete. The water reducing agent is characterized by comprising the following raw materials: polyethylene glycol, aminobenzene sulfonic acid, crylic acid, boric acid, hydroquinone, cyclohexane, polyethylene glycol metacrylic acid ester, ammonium persulfate, mercaptoethanol, formaldehyde, sodium silicate, calcium silicate, sodium methallyl sulfonate, a waterborne antirust agent with the market model JX-502, a concrete defoaming agent with a market model XWC-2530 or a model BYC-0852, water and sodium hydroxide. The invention further discloses a preparation method of the water reducing agent. The water reducing agent has the benefits of high slump retaining, bleeding resistance, lower delivery resistance of concrete pump, no bleeding line on concrete surface, no bubble, small color difference, good appearance quality, high freeze-proof capability, high convenience in construction, simple manufacture method and high easiness in mastering.

Description

[0001] This application is a divisional application of an invention patent application named: A water-reducing agent for concrete, with the application date: July 26, 2015, and the application number: 201510441998.3. technical field [0002] The invention belongs to the technical field of concrete auxiliary materials, in particular to a water reducer for concrete. Background technique [0003] As one of the main materials in the construction industry, concrete is applied on a large scale. The function of the water reducing agent in the prior art is only to quickly reduce the water content and make the concrete set as soon as possible. However, the water-reducing agent for concrete in the prior art has high cost, complex manufacturing process, difficult method, low qualified rate of finished products, poor slump resistance, low anti-bleeding ability, large conveying resistance, air bubbles, appearance Poor quality, poor frost resistance. For this reason, the industry is look...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B24/32C04B103/30
CPCC04B40/0039C04B2103/302C04B24/32C04B24/20C04B24/04C04B22/0013C04B24/02C04B24/00C04B22/14C04B24/16C04B24/008C04B14/045C04B14/043C04B2103/61C04B2103/50C04B22/062C04B24/2641C04B22/082C04B24/283C04B2103/0068C04B22/002
Inventor 尹红
Owner GUANGDONG GUANGZE IND CO LTD
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