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Aerated concrete interface agent

A technology of air-entrained concrete and interface agent, applied in the field of building materials, can solve the problems of shrinkage and cracking of the bonding surface, block falling off, etc., and achieve the effects of reducing adhesion, avoiding falling off, and prolonging the opening time of operation.

Inactive Publication Date: 2014-02-05
江苏兆佳建材科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Aiming at the problems existing in the above-mentioned prior art, the present invention provides an air-entrained concrete interface agent, which is used to solve problems such as block falling off, bonded surface shrinkage and cracking in engineering using traditional masonry mortar

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] A kind of air-entrained concrete interface agent, comprises by weight percentage:

[0021] Cellulose Ether 35%

[0022] Thixotropic thickener 50%

[0023] Redispersible latex powder 15%

[0024] Wherein, the percentage of each component in the thixotropic thickener to the total weight is:

[0025] Polyvinyl alcohol 25%,

[0026] Starch Ether 14%

[0027] Thixotropic agent 10%

[0028] Air-entraining agent 1%

Embodiment 2

[0030] A kind of air-entrained concrete interface agent, comprises by weight percentage:

[0031] Cellulose Ether 33%

[0032] Thixotropic thickener 57%

[0033] Redispersible latex powder 10%

[0034] Wherein, the percentage of each component in the thixotropic thickener to the total weight is:

[0035] Polyvinyl alcohol 30%,

[0036] Starch Ether 15%

[0037] Thixotropic agent 10%

[0038] Air-entraining agent 2%

Embodiment 3

[0040] A kind of air-entrained concrete interface agent, comprises by weight percentage:

[0041] Cellulose Ether 20%

[0042] Thixotropic thickener 73%

[0043] Redispersible latex powder 7%

[0044] Wherein, the percentage of each component in the thixotropic thickener to the total weight is:

[0045] Polyvinyl alcohol 40%,

[0046] Starch ether 20%

[0047] Thixotropic agent 10%

[0048] Air-entraining agent 3%

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Abstract

The invention discloses an aerated concrete interface agent, and belongs to the technical field of construction materials. The agent comprises, by weight: 20-50% of cellulose ether, 36-73% of a thixotropic thickener, and 5-25% of redispersible latex powder. The agent has the advantages that: with the agent, bonding strength of mortar upon a substrate layer can be improved, construction workability can be improved, surface smoothness can be improved, adhesion with tools during construction can be reduced, water-retention and thickening performances are excellent, mortar operation open time can be prolonged, and problems such as building block falling, adhesion surface shrinkage cracking, and the like can be effectively avoided.

Description

technical field [0001] The invention relates to an air-entrained concrete interface agent, which belongs to the technical field of building materials. Background technique [0002] Due to the requirements of energy saving and environmental protection, the current building blocks are mainly aerated concrete blocks with high water absorption and low strength. At this time, if the traditional masonry mortar is used directly in the project, the blocks will fall off and the bonding surface will shrink. Problems such as cracking directly affect the construction quality of the project. Contents of the invention [0003] Aiming at the above-mentioned problems in the prior art, the present invention provides an air-entrained concrete interface agent, which is used to solve problems such as block falling off and bonded surface shrinkage and cracking in engineering using traditional masonry mortar. [0004] In order to achieve the above object, the technical solution adopted in the ...

Claims

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Application Information

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IPC IPC(8): C04B26/02C04B24/38
Inventor 张超蔡文龙钱建男
Owner 江苏兆佳建材科技有限公司
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