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Breathable facing mortar

A technology of facing mortar and yellow sand, which is applied in the field of building materials, can solve problems such as poor air permeability, and achieve the effects of easy falling off, excellent air permeability, and good thermal insulation effect

Inactive Publication Date: 2018-11-13
安徽省万帮新型建材科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although the finishing mortar has many excellent properties, its air permeability is poor. For the interior wall finishing mortar, good air permeability will keep the wall dry, so that the wall surface after being wetted with water can dry quickly and is not easy to mildew

Method used

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  • Breathable facing mortar

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0018] A breathable finishing mortar, made of the following ingredients in parts by weight: Portland cement 50, yellow sand 88, modified styrene-acrylic emulsion 15, methyl cellulose 12, polypropylene fiber 3, vitrified microbeads 6, Silane coupling agent 0.3, fly ash 10, melamine water reducer 1.2, water 55, polytrimethylene carbonate modified zeolite powder 5.5.

[0019] Further, the preparation method of the modified styrene-acrylic emulsion is:

[0020] Weigh 3.8% of the mass of styrene-acrylic emulsion silicone oil, slowly drop into the styrene-acrylic emulsion, keep the reaction temperature at 68°C, stir at a speed of 120r / min, and then add ammonium peroxide of 0.3% of the mass of the styrene-acrylic emulsion to adjust the temperature of the system The pH value is 6.4, stir at a high speed of 3000r / min for 40min, then cool naturally to room temperature, and then adjust the pH of the system to 8.5 to obtain the product;

[0021] The styrene-acrylic emulsion has a solid c...

Embodiment 2

[0030] A breathable finishing mortar, made of the following components in parts by weight: Portland cement 60, yellow sand 95, modified styrene-acrylic emulsion 30, methyl cellulose 14, polypropylene fiber 5, vitrified microbeads 8, Silane coupling agent 0.5, fly ash 14, melamine water reducer 1.4, water 60, polytrimethylene carbonate modified zeolite powder 6.2.

[0031] Further, the preparation method of the modified styrene-acrylic emulsion is:

[0032] Weigh 3.8% of the mass of styrene-acrylic emulsion silicone oil, slowly drop into the styrene-acrylic emulsion, keep the reaction temperature at 68°C, stir at a speed of 120r / min, and then add ammonium peroxide of 0.3% of the mass of the styrene-acrylic emulsion to adjust the temperature of the system The pH value is 6.4, stir at a high speed of 3000r / min for 40min, then cool naturally to room temperature, and then adjust the pH of the system to 8.5 to obtain the product;

[0033] The styrene-acrylic emulsion has a solid co...

Embodiment 3

[0042] A breathable finishing mortar, made of the following ingredients in parts by weight: Portland cement 55, yellow sand 92, modified styrene-acrylic emulsion 20, methyl cellulose 13, polypropylene fiber 4, vitrified beads 7, Silane coupling agent 0.4, fly ash 12, melamine water reducer 1.3, water 58, polytrimethylene carbonate modified zeolite powder 5.8.

[0043] Further, the preparation method of the modified styrene-acrylic emulsion is:

[0044] Weigh 3.8% of the mass of styrene-acrylic emulsion silicone oil, slowly drop into the styrene-acrylic emulsion, keep the reaction temperature at 68°C, stir at a speed of 120r / min, and then add ammonium peroxide of 0.3% of the mass of the styrene-acrylic emulsion to adjust the temperature of the system The pH value is 6.4, stir at a high speed of 3000r / min for 40min, then cool naturally to room temperature, and then adjust the pH of the system to 8.5 to obtain the product;

[0045] The styrene-acrylic emulsion has a solid conten...

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Abstract

The invention discloses breathable facing mortar, and relates to the technical field of building materials. The breathable facing mortar is prepared from the following components: Portland cement, yellow sand, a modified styrene-acrylic emulsion, methyl cellulose, polypropylene fiber, vitrified microbeads, a silane coupling agent, fly ash, a tripolycyanamide water reducing agent, water and polytrimethylene carbonate modified zeolite powder. The breathable facing mortar provided by the invention is excellent in construction performance, significant in decorative effect and strong in adhesion, is unlikely to shed off, and is good in breathability and free of an efflorescence phenomenon.

Description

technical field [0001] The invention belongs to the technical field of building materials, and in particular relates to a breathable facing mortar. Background technique [0002] Facing mortar is a new type of environmentally friendly decorative material, which has the characteristics of natural color texture, soft vision, low cost and easy construction. It can achieve rich and colorful artistic shapes through different construction methods, opening up a new era for the decoration of interior and exterior walls of modern buildings. A new way, in line with the development trend requirements of "safety, environmental protection, energy saving". Colored decorative mortar is refined with polymer material as the main additive, together with high-quality mineral aggregates, fillers and natural mineral pigments. The thickness of the coating is generally between 1.5-2.5 mm, while the thickness of ordinary latex paint is only 0.1 mm, so it can obtain excellent texture and three-dimen...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04
CPCC04B28/04C04B2111/00267C04B2201/32C04B14/06C04B24/2676C04B24/383C04B16/0633C04B14/24C04B24/42C04B18/08C04B24/128C04B14/047
Inventor 郭胡健孙连军胡万伟
Owner 安徽省万帮新型建材科技有限公司
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