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Modified direct-scraping thin-layer plastering mortar and construction method

A technology for plastering mortar and a construction method, applied in the field of building materials, can solve the problems of large overall thickness of the mortar layer, complicated construction procedures, and high engineering costs, and achieves hard hollowing and cracking. small amount of effect

Inactive Publication Date: 2016-12-07
成都市易建建筑材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, the construction process is complicated, the construction time is long, the overall thickness of the mortar layer is large, and the project cost is relatively high

Method used

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  • Modified direct-scraping thin-layer plastering mortar and construction method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] 1) A modified direct-scraped thin-layer plastering mortar with a strength grade of M5.0 for interior walls. Its components and parts by weight are: 160 parts of P.O42.5R cement, 760 parts of sand, and 80 parts of slag powder 160 parts of water, 0.8 parts of vinyl acetate and ethylene copolymer rubber powder, 0.6 parts of sodium carboxymethyl cellulose, 0.4 parts of alkali-resistant glass fiber, 0.2 parts of vermiculite powder, and 0.7 parts of multifunctional powder Including: calcium stearate waterproof 0.2 parts of sodium citrate, 0.2 parts of sodium citrate, and 0.2 parts of sulphoaluminate expansion agent. 2) Preparation and construction of a modified direct-scraping thin-layer plastering mortar:

[0036] ① Take the material according to the formula in 1, mix the ingredients except water together, stir evenly into powder A and set aside.

[0037] ②At the construction site, add water to powder A, stir evenly to form mortar A1, and the amount of water added is the am...

Embodiment example 2

[0047] 1) A modified straight-scraped thin-layer plastering mortar with a strength grade of M10 for external walls. Its components and parts by weight are: 170 parts of P.C52.5R cement, 760 parts of sand, 70 parts of heavy calcium powder, 165 parts of water, 0.9 parts of vinyl acetate homopolymer rubber powder, 0.5 parts of hydroxypropyl methyl cellulose, 0.2 parts of starch ether, 0.3 parts of polypropylene fiber, 0.2 parts of bentonite, 1 part of multifunctional powder Including: silicone waterproof powder 0.2 parts, 0.2 parts of citric acid, 0.3 parts of expansion agent, and 0.3 parts of early strength agent. 2) Preparation and construction of a modified direct-scraping thin-layer plastering mortar:

[0048] ① Take the material according to the formula in 1, mix the ingredients except water together, stir evenly into powder A and set aside.

[0049] ②At the construction site, add water to powder A, stir evenly to form mortar A1, and the amount of water added is the amount ...

Embodiment 3

[0058] 1) A modified straight-scraped thin-layer plastering mortar with a strength grade of M10 for the roof. Its components and parts by weight are: 180 parts of P.O42.5 cement, 750 parts of sand, 60 parts of silica fume powder, water 170 parts, 1 part of maleic acid and styrene copolymer rubber powder, 0.7 parts of crown rubber, 0.2 parts of starch ether, 0.5 parts of mineral wool fiber, 0.5 parts of attapulgite, 1.3 parts of multifunctional powder Including: silicone waterproof powder 0.3 0.3 part of sodium gluconate, 0.3 part of magnesium oxide expansion agent, and 0.4 part of early strength agent. 2) Preparation and construction of a modified direct-scraping thin-layer plastering mortar:

[0059] ① Take the material according to the formula in 1, mix the ingredients except water together, stir evenly into powder A and set aside.

[0060] ②At the construction site, add water to powder A, stir evenly to form mortar A1, and the amount of water added is the amount of water i...

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Abstract

The invention discloses modified direct-scraping thin-layer plastering mortar and a construction method. The plastering mortar is prepared from the following components in parts by weight: 150-200 parts of cement, 700-820 parts of sand, 60-90 parts of mineral micro powder, 0.5-1.2 parts of dispersible latex powder, 0.5-1 part of a thickening agent, 0.2-0.6 part of alkaliproof fibers, 0.1-0.5 part of thixotropic lubricant powder, 0.5-2 parts of multifunctional powder and 150-170 parts of water. The mortar materials disclosed by the invention are small in construction dosage, simple in technology, excellent in bonding force, excellent in crack resistance, and not liable to hollow and crack, the efficiency is greatly improved, and the cost is reduced.

Description

technical field [0001] The invention relates to a building material, in particular to a modified direct-scraping thin-layer plastering mortar and a construction method. Background technique [0002] Plastering mortar is a decorative project that is applied on the walls, roofs, floors, columns and other surfaces of buildings and directly made into a finishing layer. It can not only protect the base layer, increase the appearance, but also provide special functions for the building. The construction process of ordinary ready-mixed plastering mortar includes base treatment, net hanging, leveling, plastering and maintenance. Due to the low adhesion of traditional mortar, the interface is directly hanged without treatment, the mortar layer is thin, and the mortar is easy to fall off and crack. Therefore, in order to have better bonding performance of the mortar layer, the surface of the wall needs to be moistened during the base treatment process. Wet and brush polymer cement mo...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04C04B28/06E04F13/02
CPCC04B28/04C04B28/06E04F13/02C04B14/06C04B18/141C04B24/26C04B24/383C04B14/42C04B14/202C04B24/04C04B24/06C04B22/142
Inventor 许献忠陶喜李宏李平陶屿朱泰明
Owner 成都市易建建筑材料有限公司
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