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Reinforced premix mortar moisture-retention thickening agent and preparation method thereof

A water-retaining thickener and a technology for ready-mixed mortar, which are used in the preparation of enhanced ready-mixed mortar water-retaining thickener and the field of enhanced ready-mixed mortar water-retaining and thickening agent

Active Publication Date: 2012-10-17
广东广业检测有限公司 +2
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, most of the mortar water-retaining and thickening materials developed in China are made by mixing common mortar additives such as cellulose ether, starch ether, polyvinyl alcohol or redispersible latex powder with inorganic powder materials. A new kind of mortar thickening material

Method used

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  • Reinforced premix mortar moisture-retention thickening agent and preparation method thereof
  • Reinforced premix mortar moisture-retention thickening agent and preparation method thereof
  • Reinforced premix mortar moisture-retention thickening agent and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0046] Table 1 is the raw material formula (parts by mass) for preparing the enhanced ready-mixed mortar water-retaining thickener of the present invention.

[0047] Table 1

[0048] 1# 2# 3# 4# 5# 6# Montmorillonite 50 50 50 60 60 90 Kaolin 30 20 10 0 0 5 halloy stone 0 20 20 30 20 5 fly ash 10 10 20 10 5 5 slag 10 0 0 0 5 5 Sodium lignosulfonate 0.5 1.0 1.0 1.0 0.5 0 Sodium dodecyl benzene sulfonate 0.1 0.1 0 0 0 0.1 sodium sulfate 4 4 4 4 4 0 salicylic acid 3 3 3 3 3 0 glucose 0.2 0.2 0.2 0.2 0.2 0.2

[0049] Its specific preparation method comprises the following steps:

[0050] (1) Pretreatment of raw materials, including drying of montmorillonite, kaolin, halloysite, fly ash and slag.

[0051] The water content of the raw materials is less than 0.5% by weight before entering the mill.

[0052] (2) Pre-mix the surfactant and montmorillonite ...

Embodiment 2

[0061] Table 4 is the raw material formula (parts by mass) for preparing the enhanced ready-mixed mortar water-retaining thickener of the present invention.

[0062] Table 4

[0063] 1# 2# 3# 4# 5# 6# Montmorillonite 80 80 80 80 80 80 Attapulgite Clay 5 5 5 5 5 5 halloy stone 5 5 5 5 5 5 fly ash 5 5 5 5 5 5 slag 5 5 5 5 5 5 Sodium lignosulfonate 0.1 0.1 0 0 0 0 Sodium dodecyl benzene sulfonate 0 0 0.1 0.1 0.1 0.1 sodium sulfate 3 0 1 2 3 3 salicylic acid 0 0 0.3 0.3 0.3 0.3 Zinc oxide 0 0 1 1 1 1

[0064] Its specific preparation method comprises the following steps:

[0065] (1) Pretreatment of raw materials, including drying of montmorillonite, attapulgite clay, halloysite, fly ash, and slag.

[0066] The water content of the raw materials is less than 0.5% by weight before entering the mill.

[0067] (2) Pre-mix the surfactant and montmorillon...

Embodiment 3

[0077] Table 7 is the raw material formula (parts by mass) for preparing the enhanced ready-mixed mortar water-retaining thickener of the present invention.

[0078] Table 7

[0079] 1# 2# 3# 4# 5# 6# Montmorillonite 80 80 80 50 50 50 Attapulgite Clay 10 10 10 0 0 0 halloy stone 0 0 0 20 20 20 Kaolin 0 0 0 10 10 10 fly ash 5 5 5 10 10 10 slag 5 5 5 10 10 10 cetyl ammonium bromide 0 0.1 0.5 0 0.1 0.5 Dioctyl sodium sulfosuccinate 0.1 0 0.1 0.1 0.1 0.1 sodium sulfate 3 0 1 2 3 3 salicylic acid 0 0 0.3 0.3 0.3 0.3 tartaric acid 1 1 1 1 1 1

[0080] Its specific preparation method comprises the following steps:

[0081] (1) Pretreatment of raw materials, including drying of montmorillonite, kaolin, attapulgite clay, halloysite, fly ash, and slag.

[0082] The water content of the raw materials is less than 0.5% by weight before entering the...

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PUM

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Abstract

The invention discloses a reinforced premix mortar moisture-retention thickening agent and a preparation method thereof. The reinforced premix mortar moisture-retention thickening agent is prepared from montmorillonite, kaolin, halloysite, attapulgite clay, fly ash, other admixtures, surfactant and modifier. The preparation method adopts a double grinding method and comprises the following steps: carrying out drying pretreatment on the raw materials; pregrinding the surfactant and the montmorillonite; and carrying out secondary grinding on the other raw materials and the primary grinding raw materials according to parts by mass, thereby obtaining the reinforced premix mortar moisture-retention thickening agent. The invention can obviously improve the workability and water retention property of mortar, greatly lower the cement consumption and effectively enhance the cost performance of the mortar.

Description

technical field [0001] The invention relates to a water-retaining thickener for mortar, in particular to an enhanced water-retaining thickener for ready-mixed mortar, and also relates to a preparation method of the enhanced water-retaining thickener for ready-mixed mortar. Background technique [0002] The rapid development of ready-mixed mortar in the country makes the related technologies of ready-mixed mortar more and more important. Compared with the traditional mortar preparation technology, one of the technical cores of ready-mixed mortar is the mortar additive, which determines the quality, cost and performance of the mortar. It can also be said that the core of whether ready-mixed mortar has market competitiveness depends on the use of mortar additives. [0003] At present, the additives used by domestic enterprises producing ordinary ready-mixed mortar mainly include cellulose ethers, digested lime powder, and water-retaining thickening materials based on non-lime ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B24/20C04B24/16
Inventor 于利刚刘岚
Owner 广东广业检测有限公司
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