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Dry-mixed elastic rough mortar and manufacturing method thereof

An elastic and sandy technology, which is applied in the field of new building decoration materials, can solve the problems of low bond strength, difficult product preservation, poor weather resistance, etc., and achieve good water immersion strength, strong tensile resistance, and temperature range. wide effect

Inactive Publication Date: 2015-04-22
FOSHAN TOKON BUILDING MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, paste-like elastic coatings are currently used on the market. It is difficult to store and transport the products. After construction, the product has low bond strength, poor alkali resistance, and poor weather resistance, especially with harmful substance additives such as VOC. The environmental pollution is serious, especially when doing interior decoration, the harmful substances in the product have a greater impact

Method used

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  • Dry-mixed elastic rough mortar and manufacturing method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] A kind of dry powder elastic brushed mortar, by mass percentage, its raw material formula is as follows:

[0022] 42.5 strength white cement 5%, 100 mesh natural stone powder 72%, polyacrylic acid redispersible latex powder 20%, attapulgite 2%, hydroxypropyl methylcellulose ether with a viscosity of 150,000 mPa.s 0.5% , 0.3% stearate water repellent, 0.2% silicone defoamer.

[0023] The above materials are put into the screw horizontal dry powder mortar mixer according to the mass percentage and stirred for 15 minutes to obtain the dry powder elastic brushed mortar.

Embodiment 2

[0025] A kind of dry powder elastic brushed mortar, by mass percentage, its raw material formula is as follows:

[0026] 5% of 32.5R strength white cement, 2% of 150 mesh lime, 20% of polyethylene / vinyl acetate latex powder, 71.59% of 300 mesh natural stone powder, 0.3% of bentonite, hydroxypropylmethyl with a viscosity of 20,000 mPa.s 0.2% cellulose ether, 0.3% 300μm wood fiber, 0.2% silicone water repellent, 0.1% dry powder wetting agent with a water content of 0.3wt%, 0.01% citric acid retarder, and 0.3% polyether defoamer.

[0027] The above-mentioned materials are put into a screw horizontal dry powder mortar mixer according to the mass percentage and stirred for 5 minutes to obtain a dry powder elastic brushed mortar.

Embodiment 3

[0029] A kind of dry powder elastic brushed mortar, by mass percentage, its raw material formula is as follows:

[0030] 52.5 strength gray cement 30%, 450 mesh lime 5%, polyacrylic acid redispersible latex powder 11.9%, 200 mesh natural stone powder 50%, attapulgite 2%, methyl hydroxyethyl ether with a viscosity of 150,000 mPa.s 0.5% base cellulose ether, 0.2% 600μm wood fiber, 0.2% dry powder wetting agent with a water content of 0.4wt%, and 0.2% organosilicon defoamer.

[0031] The above materials are put into a screw vertical mortar mixer according to the mass percentage and stirred for 15 minutes to obtain a dry powder elastic roughened mortar.

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Abstract

The invention relates to novel dry-mixed elastic rough mortar. The elastic rough mortar is powdery and is composed of 5-30% of cement, 0-5% of lime, 50-80% of natural rock flour filler, 2-20% of redispersible powder, 0.1-2% of a promoter, 0.1-0.5% of cellulose ether polymers, 0.1-0.3% of a hydrophobic agent, 0-0.3% of lignocellulose, 0-0.2% of a wetting agent, 0-0.1% of a retarder and 0.1-0.3% of a defoaming agent. The invention also discloses a manufacturing method of the dry-mixed elastic rough mortar; and the manufacturing method comprises the steps of adding the cement, an acrylic based emulsion, the natural rock flour filler, the promoter and the like into a screw-type dry-mixed mortar stirrer according to the mass percentage in the elastic rough mortar, and stirring for 3-15 minutes to obtain the dry-mixed elastic rough mortar. After construction, the dry-mixed elastic rough mortar disclosed by the invention is very strong in bonding strength, favorable in alkaline and weather resistance and free of storage and transportation troubles, and is environment-friendly and safe.

Description

technical field [0001] The invention belongs to the technical field of new building decoration materials, and in particular relates to a dry powder elastic brushed mortar. Background technique [0002] Elastic napping is an abbreviation for the construction method of roughening the appearance of the coating film used for elastic coatings to obtain the appearance of the concave-convex coating film. The elastic nap material is a kind of three-dimensional pattern paint, which has excellent decorative properties and excellent mechanical properties of the paint film, such as hardness and adhesion. Used together with topcoat, it can provide excellent weather resistance, alkali resistance and stain resistance. Moreover, it has amazing resilience, long-lasting flexibility and excellent elongation in a wide range of temperature changes, so as to adapt to the generation and movement of cracks on the surface of buildings. Through the adjustment of construction techniques, various dec...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/10C04B28/04
Inventor 李政兴林丽娜田晓华王逍雅
Owner FOSHAN TOKON BUILDING MATERIALS
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