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Flexible tapestry brick of external wall outer insulation system and production method thereof

It is an external thermal insulation and flexible technology, which is applied to other household appliances, clay products, household appliances, etc. It can solve the problems of high safety, surface layer cracking, high temperature and humidity shear stress, etc., and achieve high tensile strength and Elongation at break, prevention of cracking and leakage, low temperature and humidity shear stress

Inactive Publication Date: 2008-09-03
石磊
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the traditional ceramic facing bricks have great safety problems as the finishing layer of the external thermal insulation system: 1. Self-heavy
Since the rigidity of ceramic tiles is much greater than that of the painted surface, it conflicts with the flexibility required by the protective surface layer of the system. Compared with directly pasting ceramic tiles (rigid-rigid) on the rigid wall, or compared with the exterior insulation of the painted surface System (soft-flexible), the deformation of the system caused by this flexible base-rigid surface layer structure is greater, and greater temperature and humidity shear stress is generated between the facing brick and the protective surface layer, which affects the relationship between the facing brick and the protective surface layer. attachment security
3. Freeze-thaw problem
3. Surface layer cracking problem (temperature and humidity tensile stress)
[0007] Stone, metal, and glass curtain walls can also be used as finishes for external thermal insulation systems, but their installation is complicated and expensive
[0008] In response to the above problems, the European and Chinese markets have successively launched a flexible facing brick that meets the performance requirements of the external wall insulation system. This flexible facing brick has the advantages of light weight, strong weather resistance, and good waterproof and air permeability, and is suitable for use as an external wall thermal insulation system. However, its color is given by natural colored sand. Due to the limitation of sand mining technology, the variety of designs and colors is relatively monotonous, which cannot meet the needs of rich and colorful exterior finishes of buildings.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0049] Collect red mud, dry, pulverize, and pass through a 50-800 mesh sieve to remove stones, gravel and sundries to obtain mud powder; or mix the soil with water, pass through a 50-800 mesh sieve to make mud, and then dry and crush to obtain clay powder. Then get red mud powder 60% (weight), add synthetic styrene-butadiene emulsion and natural polymer mixed emulsion 30% (weight), benzylnaphthalenesulfonic acid formaldehyde condensate dispersant 0.2% (weight), resorcinol bis (diphenyl phosphate) flame retardant 3.8% (weight), ethyleneamine antifreeze agent 1% (weight), water 5% (weight), mechanically mix, make it become uniform compound mud, mud is sprayed on belt On the formwork with stone pattern, the thickness of the spraying can be determined according to the needs. After drying at 60°C-400°C, the mold is released to obtain a red stone pattern flexible facing brick product. If you need other colors of stone pattern flexible tiles, add the corresponding color paste or col...

Embodiment 2

[0051] Collect clean yellow mud, dry, pulverize, pass through a 50-800 mesh sieve, remove stones, gravel and sundries to obtain mud powder; or mix the soil with water, pass through a 50-800 mesh sieve to make mud, then dry and crush, Get clay powder. Then get yellow mud powder 15% (weight), add methyl acrylate, ethyl acrylate, butyl acrylate mixed emulsion 60% (weight), melamine flame retardant 15% (weight), paint printing color paste brown 1% (weight) ), 2% (weight) of ethyleneamine antifreeze, 7% (weight) of water, mechanically mixed to make it a uniform composite mud, spray the mud on the template with wood grain, and the thickness of the spray can be adjusted according to the needs After drying at 60°C-400°C, the mold is released to obtain brown-yellow wood-grain flexible facing brick products. If you need wood-grain flexible tiles of other colors, add the corresponding color paste or color powder to the mud, and use the same method to make it. It is necessary to produce...

Embodiment 3

[0053] Collect clean black mud, dry, crush, and pass through a 50-800 mesh sieve to remove stones, gravel and sundries to obtain mud powder; or mix the soil with water, pass through a 50-800 mesh sieve to make mud, and then dry and crush, Get clay powder. Get black mud powder 88.6% (weight) then, add acrylic acid ester macromolecular copolymer emulsion 8% (weight), water 3.4% (weight), mechanically mix, make it become uniform compound mud, mud is poured on the ground with crocodile On the formwork with leather pattern, the pouring thickness can be determined according to the needs. After drying at 60°C-400°C, the mold is released to obtain a black crocodile-skin pattern flexible face brick product. It is necessary to produce flexible facing bricks with different surface patterns, just replace the template.

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Abstract

The invention discloses a flexible decorated brick for exterior wall insulation system, mainly comprising main-body bricks or a composite surface coating of main-body bricks. The main-body brick formula contains major components of soil and acrylic emulsion, and further contains dispersant, softening agent, coloring agent, flame retardant, antifreeze and water according to different product performance requirements. The surface coating formula contains the main components of metal powder or a compound powder of more than two kinds of non-metallic powder or metal powder and acrylic emulsion and further contains dispersant, softening agent, coloring agent, flame retardant, antifreeze and water according to the needs of different product performances. The product of the invention is light-weighted, freeze-thaw resistance, anti-aging, high in bond strength, flexible and good in water-repellent and permeability, the pollution resistance of which is equivalent to that of polished tiles and the color of which is as rich as the paint and the appearance of which can be made into a decorative texture of metal curtain walls, stone walls, ceramic, wood, leather or cloth. Particularly, the inventive product has an excellent compatibility with the exterior insulation system, suitable for the decorated layer of the exterior insulation system. In addition, the inventive product avoids using the clay resource which is in shortage as the main production raw material and is a low-cost, environment-friendly flexible decorated material with high performance for exterior wall insulation system.

Description

technical field [0001] The invention relates to an exterior wall facing brick and a production method thereof, in particular to a decorative flexible facing brick for an external thermal insulation system of an exterior wall and a production method thereof. Background technique [0002] Exterior wall decoration plays a very important role in the perception of buildings. At present, there are many ways to decorate the exterior walls of buildings, such as ceramic tiles, mosaics, marble, granite, glass curtain walls, metal plates, coatings, etc. Judging from the decorative effect of the exterior, glass curtain walls, metal plates, and stone materials are better, but the construction is complicated and the cost is high; ceramic wall tiles are easy to bulge and fall off due to poor air permeability, and there is a hidden danger of falling and hurting people. Many countries have legislated to prohibit the use of ceramic tiles for exterior wall decoration of high-rise buildings. ...

Claims

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Application Information

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IPC IPC(8): C04B33/13C04B41/88
Inventor 石磊
Owner 石磊
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