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Putty for building external wall

A technology for exterior wall putty and building, applied in the field of building exterior wall putty, can solve the problems of poor surface adhesion, poor renovation effect, etc., and achieve the effects of excellent effect, good adhesion and convenient construction

Inactive Publication Date: 2011-01-05
赵明
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The technical problem to be solved by the present invention is to provide a building exterior wall putty, which solves the problems of poor surface adhesion and poor renovation effect of traditional renovation coatings, ceramic tile enamel surfaces and coating products

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0017] The construction process of building exterior wall decoration renovation:

[0018] (1) Basic level cleaning: a. Remove surface dust, oil stains, rust, etc., to ensure that the wall is clean; b. Check the firmness of the basic level, whether the tiles are loose, and the loose and hollow parts should be eradicated; and use cement mortar, etc. Carry out repairs, and then clean the tile surface with water or detergent to make it clean, and the oil must be removed; c. The obvious protrusions and mortar bumps on the wall should be polished smooth, and cement mortar should be applied to the holes and seams on the wall to fill.

[0019] (2) Preparation of building exterior wall putty: it is made of the following raw materials in parts by weight: white cement 30, gray calcium powder 8, heavy calcium carbonate 60, light calcium carbonate 8, hydroxypropyl methyl Cellulose 0.25, vinyl acetate and ethylene copolymer rubber powder 3, polypropylene staple fiber 0.2, silane-based wate...

Embodiment 2

[0024] The construction process of building exterior wall decoration renovation:

[0025] (1), with embodiment 1;

[0026] (2) Preparation of building exterior wall putty: it is made of the following raw materials in parts by weight: white cement 40, gray calcium powder 10, heavy calcium carbonate 65, light calcium carbonate 10, hydroxypropyl methyl Cellulose 0.3, vinyl acetate and ethylene copolymer rubber powder 4, polypropylene staple fiber 0.3, silane-based water repellent 0.4, thixotropic lubricant 987 (Nanjing Zhongxu Chemical Co., Ltd.) 0.5;

[0027] Mix the raw material components according to the weight ratio, and then mix and stir with water according to the weight ratio of 4:1 to form a paste. After standing for 5 minutes, batch embedding is carried out with a batch embedding tool;

[0028] (3), with embodiment 1.

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Abstract

The invention discloses putty for a building external wall, which is made from the following raw materials in parts by weight: 20-40 of white cement, 5-10 of sierozem, 50-70 of powdered whiting, 5-10 of precipitated calcium carbonate, 0.2-0.3 of hydroxypropyl methylcellulose, 2-4 of re-dispersible latex powder, 0.1-0.3 of polypropylene staple fiber, 0.2-0.4 of moisture repellent and 0.3-0.5 of thixotropic lubricant. The putty is mainly used for direct renovation of an old finishing surface, and has high binding power and excellent water resisting property and ventilation property to a renovated substrate. The putty has the advantages of high strength, corrosion resistance, scrub resistance, high cracking resistance and convenient construction. All raw materials are non-volatile chemical substances, therefore, the putty is a comprehensive environment-friendly green product without toxicity or harms.

Description

technical field [0001] The invention relates to the field of building construction, in particular to a putty for exterior walls of buildings. Background technique [0002] With the continuous development of the construction industry, the coating as the main protection of the building exterior wall has also been fully developed, and the function of the coating is getting stronger and stronger. Changeable colors, convenient construction, dirt-resistant coating, and not easy to fall off are all characteristics of architectural coatings. Special coatings also have many special properties, such as fire prevention, sound insulation, heat absorption and so on. [0003] After many years of disrepair, the tiles and mosaic exterior walls have basically suffered serious damage and are facing a renovation problem. Because the surface of tiles and mosaics has a layer of enamel, the surface of enamel is smooth and hard, so many latex paints cannot adhere to the surface. From the point ...

Claims

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Application Information

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IPC IPC(8): C04B28/04
Inventor 赵明
Owner 赵明
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