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A kind of building mortar additive and plastering mortar containing the additive

A mortar additive and additive technology, applied in the fields of plastering mortar and construction mortar additive, can solve the problems of high mortar viscosity, mortar shrinkage and deformation hollow drum cracking, low construction efficiency, etc. The effect of improving construction efficiency

Active Publication Date: 2022-07-05
广东龙湖科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

If the artificial synthetic sandstone material with high stone powder content is used for construction mortar, traditional mortar admixtures are still used, which will lead to high viscosity of mortar, low construction efficiency, and hollowing and cracking caused by large shrinkage and deformation of mortar in the later stage

Method used

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  • A kind of building mortar additive and plastering mortar containing the additive

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] A construction mortar additive is obtained by stirring the following components in parts by weight:

[0038] 1. multiple vegetable gums are mixed in advance according to the following parts by weight, 35 parts by weight of sapphire gum, 30 parts by weight of artemisia gum, 20 parts by weight of konjac gum, 15 parts by weight of gum arabic;

[0039] 2. The starch ether FP6 and the starch ether CMT60 are premixed according to the following parts by weight, the starch ether FP640 parts by weight, the starch ether CMT60 parts by weight;

[0040]3. Multiple air-entraining agents are pre-mixed according to the following parts by weight, sodium lauryl sulfate: fatty alcohol polyoxyethylene sulfuric acid: sodium alpha alkenyl sulfonate=1:1:1;

[0041] 4. The pre-mixed vegetable gum, starch ether and air-entraining agent and other components are mixed and stirred according to the following parts by weight to obtain the building mortar additive of the present embodiment;

[0042...

Embodiment 2

[0044] A construction mortar additive suitable for summer, obtained by stirring the following ingredients in parts by weight:

[0045] 1. carry out pre-mixing 40 parts by weight of sapphire gum, 35 parts by weight of artemisia gum, 20 parts by weight of konjac gum, 5 parts by weight of gum arabic by the following parts by weight of multiple vegetable gums;

[0046] 2. The starch ether FP6 and the starch ether CMT are mixed in advance according to the following parts by weight, 40 parts by weight of the starch ether FP6, 60 parts by weight of the starch ether CMT;

[0047] 3. Each component in the air-entraining agent is pre-mixed according to its parts by weight, sodium lauryl sulfate: fatty alcohol polyoxyethylene sulfuric acid: sodium alpha alkenyl sulfonate=1:1:1;

[0048] 4. The pre-mixed vegetable gum, starch ether and air-entraining agent and other components are mixed and stirred according to the following parts by weight to obtain the building mortar additive of the pr...

Embodiment 3

[0051] A construction mortar additive suitable for winter is obtained by stirring the following ingredients in parts by weight:

[0052] 1. multiple vegetable gums are mixed in advance according to the following parts by weight, 40 parts by weight of sapphire gum, 35 parts by weight of artemisia gum, 20 parts by weight of konjac gum, 5 parts by weight of gum arabic;

[0053] 2. The starch ether FP6 and the starch ether CMT are mixed in advance according to the following parts by weight, 40 parts by weight of the starch ether FP6, 60 parts by weight of the starch ether CMT;

[0054] 3. Each component in the air-entraining agent is pre-mixed according to its parts by weight, sodium lauryl sulfate: fatty alcohol polyoxyethylene sulfuric acid: sodium alpha alkenyl sulfonate=1:1:1;

[0055] 4. The pre-mixed vegetable gum, starch ether and air-entraining agent and other components are mixed and stirred according to the following parts by weight to obtain the building mortar additive...

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Abstract

The invention discloses a mortar additive for construction, comprising the following components in parts by weight: 20-40 parts of methyl cellulose, 5-10 parts of modified polyacrylamide, 5-10 parts of polyvinyl alcohol, and vegetable gum 20-30 parts, 3-5 parts of air-entraining agent, 5-10 parts of hygroscopic agent, 5-10 parts of magnesium aluminum silicate, 5-10 parts of water reducing agent, 5-10 parts of starch ether, 5-10 parts of dispersant . The formula of the building mortar additive provided by this solution does not contain toxic and harmful substances, which can ensure the environmental protection of building materials. In addition, the production is simple, no reaction kettle and heating treatment are required, and only a stirring device is required to mix the above-mentioned components uniformly, thereby avoiding the generation of other toxic and harmful substances.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a building mortar additive and a plastering mortar containing the additive. Background technique [0002] At present, it is less and less common to add mortar plasticizers when preparing cement mortar at construction sites. On the one hand, it is due to the needs of environmental protection. On the other hand, the quality of sand and gravel as raw materials cannot be guaranteed to meet the needs of construction. , This is because the amount of natural river sand mining decreases year by year, so synthetic sand and gravel materials are widely used in the construction field as raw materials to replace natural river sand. Synthetic sand and gravel materials usually have the characteristics of sharp grain shape, sharp edges and corners, and high content of stone powder in the synthetic sand. Flat, easy to crack, and accompanied by hollowing phenomenon. [0003] The tradi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B24/38C04B28/00
CPCC04B40/0039C04B28/00C04B2201/50C04B24/383C04B24/2652C04B24/38C04B2103/304C04B22/08C04B2103/302C04B2103/408C04B24/24C04B22/16C04B24/10C04B24/04Y02W30/91
Inventor 张伶俐罗慧洪永顺
Owner 广东龙湖科技股份有限公司