Building mortar additive and plastering mortar containing same

A technology for building sand and additives, applied in the fields of building mortar additives and plastering mortar, can solve the problems of high mortar viscosity, low construction efficiency, mortar shrinkage, deformation, hollow drum cracking, etc. Good anti-pressure effect

Active Publication Date: 2021-03-12
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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  • Building mortar additive and plastering mortar containing same

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

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

[0038] 1. Pre-mixing various plant gums according to the following parts by weight, 35 parts by weight of echinacea gum, 30 parts by weight of artemisia gum, 20 parts by weight of konjac gum, and 15 parts by weight of gum arabic;

[0039] 2. Pre-mix starch ether FP6 and starch ether CMT60 according to the following weight parts, starch ether FP640 weight parts, starch ether CMT60 weight parts;

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

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

[0042] 10 parts by weight of hydroxypropyl methylcel...

Embodiment 2

[0044] A construction mortar additive suitable for summer is obtained by stirring the following components by weight:

[0045] 1. Pre-mixing various plant gums according to the following parts by weight: 40 parts by weight of safflower gum, 35 parts by weight of artemisia gum, 20 parts by weight of konjac gum, and 5 parts by weight of gum arabic;

[0046] 2. Pre-mix starch ether FP6 and starch ether CMT according to the following weight parts, starch ether FP640 weight parts, starch ether CMT 60 weight parts;

[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 α-olefin sulfonate=1:1:1;

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

[0049] 8 parts by weight of hydrox...

Embodiment 3

[0051] A building mortar additive suitable for winter, obtained by stirring the following components by weight:

[0052] 1. Pre-mixing various plant gums according to the following parts by weight, 40 parts by weight of echinacea gum, 35 parts by weight of artemisia gum, 20 parts by weight of konjac gum, and 5 parts by weight of gum arabic;

[0053] 2. Pre-mix starch ether FP6 and starch ether CMT according to the following weight parts, starch ether FP640 weight parts, starch ether CMT 60 weight parts;

[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 α-olefin sulfonate=1:1:1;

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

[0056] 16 parts by weight of hydroxyprop...

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PUM

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Abstract

The invention discloses a mortar additive for buildings. The mortar additive comprises 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, 20-30 parts of vegetable gum, 3-5 parts of an air entraining agent, 5-10 parts of a moisture absorbent, 5-10 parts of magnesium aluminum silicate, 5-10 parts of awater reducing agent, 5-10 parts of starch ether and 5-10 parts of a dispersing agent. The formula of the building mortar additive provided by the invention does not contain toxic and harmful substances, so the environmental protection property of building materials can be ensured. In addition, production is easy and convenient, a reaction kettle and heating treatment are not needed, only stirringequipment needs to be used for evenly mixing the components, and therefore other toxic and harmful substances are prevented from being generated.

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, the use of mortar plasticizers in the preparation and use of cement mortar on construction sites is less and less. On the one hand, it is due to the needs of environmental protection, and 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 is decreasing 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. The construction mortar using these sand materials usually has hi...

Claims

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Application Information

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Patent Type & Authority Applications(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
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