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A kind of decorative mortar and its application

A decorative mortar and sintered sand technology, applied in the field of architectural coatings, can solve the problems of decorative mortar fading, easy back to alkali, small toner particles, etc., to reduce the probability of back alkali, improve anti back alkali, and improve weather resistance Effect

Active Publication Date: 2022-05-27
亚士创能科技(滁州)有限公司 +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the decorative mortar also has problems such as fading, easy to return to alkali and color difference.
[0003] CN107555883A discloses a preparation of weather-resistant decorative mortar. The weather-resistant decorative colored mortar of the invention is made of the following raw materials in parts by weight: 30-40 parts of fly ash cement, 12-20 parts of stones, 30-40 parts of tap water, 1-5 parts of nano-magnesium powder, 1-5 parts of quartz powder, 5-10 parts of diatom mud powder, 1-5 parts of gelatin, 1-5 parts of architectural pigment powder and 1-5 parts of composite filler. A kind of propylene color pigment powder with good weather resistance, which makes the color stable for a long time to improve the weather resistance of the decorative mortar, but the interior of the decorative mortar is usually porous, and the rubber powder cannot wrap the toner well, and the toner particles are generally small. There is a risk of precipitation of the toner after being washed by rain
[0004] CN108863211A discloses a compound of clear-water concrete dry-powder decorative mortar, which mainly uses cement and fly ash as the dry-powder mortar made of cementitious material and coloring agent. This invention not only reduces the cost and construction difficulty, but also ensures the quality of the project. It solves the problem of unstable construction quality on site. It has the advantages of good film formation, high strength, crack resistance, oxidation resistance, UV resistance, non-fading, and natural beauty. However, this mortar has no function of inhibiting alkali return, because cement will exist The problem of alkali return and salt precipitation in the later stage forms a layer of hoarfrost on the surface of the mortar, which in turn affects the color display of the fair-faced concrete decorative mortar
Compared with traditional resin texture coatings, the stability, color retention and service life of the paint film formed after coating are further improved. At the same time, the paint film also has strong weather resistance and aging resistance. The weather resistance of organic resins is not as good as that of inorganic gelling materials, and there is no durable weather resistance and decoration, and organic coatings do not have the waterproof, breathable, fireproof, and natural and simple decorative effects of inorganic gelling systems.

Method used

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  • A kind of decorative mortar and its application
  • A kind of decorative mortar and its application
  • A kind of decorative mortar and its application

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0076] This embodiment provides a decorative mortar, which includes the following components in parts by weight: 15 parts of aluminate cement, 10 parts of 32.5 white Portland cement, 8 parts of beta hemihydrate gypsum, and 8 parts of active micro-controlling powder. parts (the weight ratio of each composition of the active micro-control powder is: 1250 mesh metakaolin: nano-silica: active molecular sieve: U-type expansion agent = 50:30:10:10), 4 parts of hydrophobic styrene acrylate copolymer, 0.4 part of primary amino acrylate, 0.2 part of hydroxyethyl methyl cellulose ether, 0.2 part of tartaric acid, 0.6 part of wood fiber, 42 parts of 80-120 mesh sintered sand (80 mesh white quartz sand with a weight ratio of 100:2 and Carbon black powder was obtained by glaze treatment at 850°C).

[0077] The preparation method of above-mentioned active micro-control powder is as follows:

[0078] Put 50 parts by weight of metakaolin, 30 parts by weight of nano-silica, 10 parts by weight...

Embodiment 2

[0083] This embodiment provides a decorative mortar, which includes the following components in parts by weight: 18 parts of aluminate cement, 13 parts of 32.5 white Portland cement, 10 parts of beta hemihydrate gypsum, and 10 parts of active micro-control powder (The weight ratio of each composition of the active micro-control powder is: 1250 mesh metakaolin: nano-silica: active molecular sieve: U-shaped expansion agent = 50:30:10:10), 5 parts of vinyl acetate and higher fatty acid vinyl ester copolymer , 0.5 part of quaternary ammonium acrylate, 0.3 part of hydroxyethyl methyl cellulose ether, 0.3 part of tartaric acid, 0.8 part of wood fiber, 54 parts of 80-120 mesh sintered sand (120 mesh white quartz sand and charcoal with a weight ratio of 100:2 The black powder was obtained by glazing at 850°C).

[0084] The preparation method of above-mentioned active micro-control powder is as follows:

[0085] Put 50 parts by weight of metakaolin, 30 parts by weight of nano-silica, ...

Embodiment 3

[0090] This embodiment provides a decorative mortar, which includes the following components in parts by weight: 16 parts of aluminate cement, 11 parts of 42.5 white Portland cement, 9 parts of beta hemihydrate gypsum, and 9 parts of active micro-control powder parts (the weight ratio of each composition of the active micro-control powder is: 800 mesh metakaolin: nano-silicon dioxide: active molecular sieve: U-type expansion agent = 50:30:10:10), vinyl acetate and ethylene and higher fatty acid vinyl ester three 4.5 parts of metacopolymer, 0.45 part of primary amino acrylate, 0.25 part of methyl cellulose ether, 0.25 part of citric acid, 0.7 part of glass fiber, 48 parts of 80-120 mesh sintered sand (100 mesh with a weight ratio of 100:2 White quartz sand and carbon black powder were obtained by glaze treatment at 800 °C).

[0091] The preparation method of above-mentioned active micro-control powder is as follows:

[0092] Put 50 parts by weight of metakaolin, 30 parts by we...

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Abstract

The invention relates to a decorative mortar and an application thereof. The decorative mortar comprises the following components: high alumina cement, white cement, gypsum, active micro-controlling powder, rubber powder, sand grains and additives. The present invention utilizes the synergistic effect of high-alumina cement, white cement, gypsum and active micro-controlling powder quaternary interactive system to inhibit the release of alkaline substances in each stage of cement hydration, and obtains a product with stable color, not easy to return to alkali, and not easy to fade Decorative mortar with excellent weather resistance and other advantages.

Description

technical field [0001] The invention relates to the field of architectural coatings, in particular to a decorative mortar and its application. Background technique [0002] Cement-based veneer mortar has good hydrophobicity, air permeability and stain resistance, rich color, changeable texture and shape, and long-lasting color retention. Since the elastic modulus and thermal expansion coefficient of the veneer mortar are similar to the plastering mortar of the external wall thermal insulation system, it has good matching and compatibility with the external wall external thermal insulation system. Compared with ceramic tiles, the veneer mortar is lighter in weight, which can greatly reduce the load of the external thermal insulation system, especially when used as a high-rise building decoration, making the external wall thermal insulation system safer and more reliable in use. At present, veneer mortar has been widely used in the interior and exterior wall decoration of bui...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/14
CPCC04B28/147C04B2111/00482C04B2201/50C04B7/32C04B7/02C04B14/106C04B14/06C04B14/04C04B2103/0068C04B24/2676C04B24/2623C04B24/2688C04B24/383C04B2103/22C04B16/02C04B14/42C04B14/4643
Inventor 姜俊朱瑞刘楠徐志新李金钟
Owner 亚士创能科技(滁州)有限公司
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