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Wall plastering and building solidifying material

A technology for walls and raw materials, applied in the field of building materials, can solve the problems of shrinkage cracking, pulverization, low strength, etc., and achieve the effects of low shrinkage rate, reduction of plastic shrinkage, and energy saving.

Inactive Publication Date: 2010-12-15
张云区
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

On the basis of this treatment, the traditional mortar used for plastering and masonry is still prone to problems of shrinkage cracking, pulverization, and low strength

Method used

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  • Wall plastering and building solidifying material

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] Wall plastering and masonry coagulation, its composition mass percentage ratio:

[0028] Cement 28%

[0029] Fly Ash 60%

[0030] lime powder 10%

[0031] Sodium dodecylbenzenesulfonate 0.15%

[0032] Methylcellulose 0.85%

[0033] Vinyl acetate-ethylene homopolymer 1%.

[0034] Mix the above materials evenly to obtain coagulated material, mix with sand and water according to the ratio of coagulated material: sand: water = 1: 3.0: 0.22, and stir in a mixer for 3 to 5 minutes to obtain M5 masonry mortar. Its performance is as follows:

[0035] Strength 6.8MPa

[0036] Setting time 6.2h

[0037] Water retention 92%.

Embodiment 2

[0039] Wall plastering and masonry coagulation, its composition and mass ratio:

[0040] Cement 25%

[0041] Fly Ash 43%

[0042] Mineral powder (S95) 20%

[0043] lime powder 10%

[0044] Sodium Lauryl Sulfate 0.10%

[0045] Carboxymethylcellulose 1%

[0046] Vinyl acetate homopolymer 0.9%.

[0047] Mix the above materials evenly to obtain coagulated material, mix with sand and water according to the ratio of coagulated material: sand: water = 1: 2.5: 0.23, and stir in a mixer for 3 to 5 minutes to obtain M5 plastering mortar. Its performance is as follows:

[0048] Strength 7.6MPa

[0049] Setting time 6.7h

[0050] Water retention 96%

[0051] 14d tensile bond strength 0.8MPa.

Embodiment 3

[0053] Wall plastering and masonry coagulation, its composition and mass ratio:

[0054] Cement 45%

[0055] Fly Ash 25%

[0056] Mineral powder (S95) 25%

[0057] Lime powder 2.7%

[0058] Sodium lauryl sulfate 0.06%

[0059] Hydroxypropyl Methyl Cellulose 1.2%

[0060] Vinyl acetate-ethylene homopolymer 1.04%.

[0061] Mix the above materials evenly to obtain coagulated material, mix with sand and water according to the ratio of coagulated material: sand: water = 1: 2.5: 0.25, and stir in a mixer for 3 to 5 minutes to obtain M20 plastering mortar. Its performance is as follows:

[0062] Strength 16.6MPa

[0063] Setting time 7.3h

[0064] Water retention 98%

[0065] 14d tensile bond strength 1.0MPa.

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Abstract

The invention discloses a wall plastering and building solidifying material and belongs to a building material, in particular to a material for use in wall plastering. The wall plastering and building solidifying material is prepared by mixing the following main materials: 15 to 50 percent of cement, 20 to 65 percent of active admixture, 2 to 18 percent of lime powder, 0.05 to 0.2 percent of surfactant, 0.5 to 2 percent of water-retaining thickener and 0.5 to 1.5 percent of dispersible polymer. The solidifying material of the invention can replace cement or other gelling materials to be mixed with sand and water in proportion to prepare wall plastering and building mortar for aerated concrete block walls and common walls. When the solidifying material is used, the interface processing of the walls is saved. The solidifying material has the characteristics of high binding strength, low shrinkage and high strength. When the solidifying material is applied in wall projects, time-saving, labor-saving and environmentally-friendly effects can be achieved.

Description

technical field [0001] The invention belongs to building material technology, in particular to a wall plastering and masonry solidification material. Background technique [0002] Among the current wall plastering masonry materials, the traditional material is cement mortar, which is directly prepared from cement, sand, and water. The disadvantages of this material are that the amount of cement is too large, the cost is high, and it is not suitable for the development of new wall materials. . Now air-entrained concrete has been used in more than 70% of civil buildings in my country's cities. Due to the rough surface and strong water absorption of air-entrained concrete, traditional cement mortar needs to be pre-soaked when used on air-entrained concrete walls. surface treatment. On the basis of this treatment, the traditional mortar used for plastering and masonry is still prone to problems of shrinkage cracking, chalking and low strength. Therefore develop a kind of setti...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00
Inventor 张云区梁恩才
Owner 张云区
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