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Colored decorative mortar with excellent performance

A color finishing mortar, excellent technology, applied in the field of building materials, can solve the problems of cracking and construction, poor stain resistance, efflorescence, etc., and achieve the effect of good mechanical properties, wide application range, full and rich colors

Inactive Publication Date: 2012-04-25
TONGJI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, some problems often hinder the development of this technology, common problems include efflorescence, poor stain resistance, color difference, cracking and construction problems

Method used

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  • Colored decorative mortar with excellent performance

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] The ingredients and parts by mass of a wall finish mortar are shown in Table 1. According to the ratio of raw materials, add various dry powder raw materials into the sample bag in turn, mix evenly, and make dry components. Then, add the dry ingredients to the mixing pot, then add the microemulsion and water mixture to the mixing pot and stir in the standard manner. The performance of the facing mortar is shown in Table 2.

Embodiment 2

[0032] The ingredients and parts by mass of a wall finish mortar are shown in Table 1. The preparation and use methods of the facing mortar described in this example are basically the same as those in Example 1. Its performance indicators are shown in Table 2.

[0033] Table 1 Ingredients and parts by mass of facing mortar

[0034] raw material Example 1 Example 2 white portland cement 5 5 Quartz sand 75 75 Ethylene vinyl acetate copolymer latex powder 4.5 4.7 heavy calcium powder 13 12 Cellulose ether 0.02 0.02 Silicone Hydrophobic Agent 0.2 0.28 pigment 2 2 powder defoamer 0.03 0 Acrylate Copolymer Microemulsion 0.25 1 water 14 17

[0035] Table 2 Performance of facing mortar

[0036]

[0037] Note: The performance test methods in Table 2 refer to JC / T1024-2007 wall facing mortar.

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Abstract

The invention relates to colored decorative mortar with excellent performance. The raw materials of the decorative mortar includes double components, i.e., a dry component and a wet component, wherein the dry component consists of cement, emulsion powder, calcium carbonate, quartz sand, pigment and additives such as thickening agent, water repellent, defoamer and the like, and the wet component consists of polymer microemulsion and water. The decorative mortar provided by the invention has the advantages that the using amount of the cement is reduced, and meanwhile, nano-grade polymer microemulsion is creatively added so as to have excellent stain resistance due to extremely low surface energy on the surface of the mortar. All the performances of the decorative mortar obtained in the invention accord with the standard of JC / T1024-2007 wall decorative mortar; the decorative mortar has good coating compactness and no efflorescence or chromatic aberration phenomena after being exposed tothe sun and rain outdoors for a long time, various kinds of plump mortar with bright colors can be obtained if different pigments are added; and the decorative mortar is very rich in model and remarkable in stain resistance so as to be particularly suitable for decorating outer walls of high-quality residences or vills.

Description

technical field [0001] The present invention relates to a kind of facing mortar which protects and decorates the outer wall of buildings, especially relates to a kind of color facing mortar which has no efflorescence and color difference phenomenon during use, and has excellent stain resistance and excellent performance. It belongs to field of building materials. Background technique [0002] Finishing mortar is a general term for wall plastering with decorative effect. It is composed of inorganic cementitious materials, organic cementitious materials, aggregates and various additives, and is used for the decoration of building wall surfaces. Due to its three-dimensional appearance, the finishing mortar has a natural and unique decorative effect, is breathable and crack-resistant, and has good weather resistance, and the coating thickness can reach 1-3mm, which can be processed into various styles of textured surfaces. Finishing mortar is widely used as a material for build...

Claims

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Application Information

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IPC IPC(8): C04B28/00C04B28/04
Inventor 王茹汪力王培铭
Owner TONGJI UNIV
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