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Thin plastering mortar for aerated concrete block

A technology of plastering mortar and air-entraining block, which is applied in the field of building materials, can solve the problems of low bonding strength of air-entraining block, affect building quality, and poor construction, and achieve good water retention, improve construction efficiency, and improve construction performance. Effect

Inactive Publication Date: 2016-11-09
浙江共创建材科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Aerated block is a new type of lightweight porous building material, which has the advantages of light bulk density, high thermal insulation performance, good sound absorption and processability. It is widely used in load-bearing or non-load-bearing structures in industrial and civil buildings, and has become one of the new building materials. An important part; however, the traditional plastering mortar has poor construction performance on the aerated block, and when the thickness of the plastering mortar is less than 5mm, not only the bonding strength with the aerated block is low, but also it is easy to crack after drying, which seriously affects the building quality

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0013] Example 1, the thin-layer plastering mortar for aerated blocks according to the present invention comprises the following components by weight percentage: Portland cement 35%, graded sandstone 50%, vitrified microbeads 14% , Inorganic bentonite 0.5%, wood fiber 0.1%, water reducer 0.05%, cellulose ether 0.02%, starch ether 0.01%.

Embodiment 2

[0014] Example 2, the thin-layer plastering mortar for aerated blocks according to the present invention comprises the following components by weight percentage: Portland cement 40%, graded sandstone 47%, vitrified microbeads 12% , Inorganic bentonite 0.5%, wood fiber 0.1%, water reducer 0.05%, cellulose ether 0.02%, starch ether 0.01%.

Embodiment 3

[0015] Embodiment 3, the thin-layer plastering mortar for aerated blocks according to the present invention comprises the following components by weight percentage: Portland cement 45%, graded sandstone 45%, vitrified microbeads 9% , Inorganic bentonite 0.5%, wood fiber 0.1%, water reducer 0.05%, cellulose ether 0.02%, starch ether 0.01%.

[0016] The mortar of the present invention is obtained after the above components are uniformly mixed with an appropriate amount of water. After testing, the mortar obtained in Examples 1-3 not only improves the construction performance of the mortar, but also has better water retention, heat preservation and crack resistance. And the thickness of the mortar can be less than 5mm, thus improving the construction efficiency and avoiding the hollowing and cracking of the plastering layer.

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PUM

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Abstract

The invention relates to thin plastering mortar for an aerated concrete block. The thin plastering mortar comprises the following components in percentage by weight: 30-45% of Portland cement, 40-55% of graded sand and stone, 3-15% of glass beads, 0.5% of inorganic bentonite, 0.1% of wooden fiber, 0.05% of a water reducing agent, 0.02% of cellulose ether and 0.01% of starch ether. The thin plastering mortar not only improves the construction property, but also is relatively good in water retention property, heat preservation property and anti-cracking property, and moreover, the thickness of the mortar can be less than 5mm, so that the construction efficiency is improved, and phenomena of hollow swelling and cracking of a plastered layer are avoided.

Description

technical field [0001] The invention relates to the field of building materials, in particular to a thin-layer plastering mortar for an aerated block. Background technique [0002] Aerated block is a new type of lightweight porous building material, which has the advantages of light bulk density, high thermal insulation performance, good sound absorption and processability. It is widely used in load-bearing or non-load-bearing structures in industrial and civil buildings, and has become one of the new building materials. An important part; however, the traditional plastering mortar has poor construction performance on the aerated block, and when the thickness of the plastering mortar is less than 5mm, not only the bonding strength with the aerated block is low, but also it is easy to crack after drying, which seriously affects the building quality. Contents of the invention [0003] The object of the present invention is to provide a thin-layer plastering mortar for aerate...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04
CPCC04B28/04C04B2111/343C04B14/06C04B14/24C04B14/104C04B16/02C04B2103/302C04B24/383C04B24/38
Inventor 陈集阳张世奇翁晓光阮国谊蔡志民
Owner 浙江共创建材科技有限公司