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Inflaming-retarding flexible heat preservation facing material in building and preparing method thereof

A technology for building thermal insulation and decorative materials, which is applied in the field of flame-retardant flexible decorative materials for external thermal insulation of building exterior walls and its preparation. Porcelain flexibility is difficult to reflect and other problems, to achieve the effect of simple and easy construction process, broaden the scope of use, and simplify the construction process

Active Publication Date: 2013-05-01
南通南京大学材料工程技术研究院
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the existing technologies (see Chinese patent publications 200810026831.0, 201010225614.1, and 201010225624.5) mainly focus on improving the expressiveness of the product, and the product itself has no thermal insulation function. In the actual construction process, it is often used with polystyrene, polyurethane and other thermal insulation boards. Not only is the construction process complicated, but also due to the rigidity of the insulation board, the advantages of soft porcelain flexibility are difficult to reflect
In addition, the introduction of a large number of organic thermal insulation materials has increased the fire safety hazards of buildings, which also greatly limits the application of soft porcelain and other decorative materials

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Kaolin 25%, fly ash floating beads 19%, flexible emulsion 30%, acrylic acid 2.9%, defoamer 3%, 2-hydroxy-4-methoxybenzophenone 0.1%, water 14% ingredients by mass Afterwards, uniformly mix at a speed of 1000 r / min in a high-speed disperser to obtain a slurry with a viscosity of 8 Pa.s. In a gradient temperature-controlled oven, the slurry is repeatedly coated on the polyethylene template printed with decorative patterns, the thickness of each layer is 0.5mm, and after each layer is coated, an appropriate amount of glass fiber with a diameter of 2μm and a length of 3mm is evenly sprinkled After drying, the next layer can be applied. The total amount of fiber used is 6% of the mass of the slurry. The initial temperature of the oven is 90°C. For each increase in sample thickness by 1mm, the temperature rises by 10°C until the thickness reaches 3mm, and then rises to Keep warm at 170°C for 2 hours, then release the mold and trim the edges to obtain a light gray flame-retard...

Embodiment 2

[0038] Kaolin 30%, nano-titanium dioxide-coated hollow glass microspheres 29%, flexible emulsion 17%, pink pigment 0.5%, acrylic acid 1.4%, defoamer 1%, 2-(2'-hydroxy-3'-tert-butyl -5'-Methylphenyl)-5-Chlorobenzotriazole 0.1%, water 17% are mixed according to mass parts, and then uniformly mixed in a high-speed disperser at a speed of 1000r / min to obtain a slurry with a viscosity of 8Pa.s . In a gradient temperature-controlled oven, the slurry is repeatedly coated on the polytetrafluoroethylene template printed with decorative patterns, the thickness of each layer is 0.2mm, and after each layer is coated, an appropriate amount of 2μm in diameter and 9mm in length Glass fiber and polyester fiber with a diameter of 4 μm and a length of 6 mm can be coated with the next layer after drying. The total amount of polyester fiber and glass fiber is 4% of the slurry mass, and the initial temperature of the oven is 90°C, every time the thickness of the sample increases by 1mm, the tempe...

Embodiment 3

[0040] Attapulgite 12%, nano-titanium dioxide-coated fly ash floating beads 18%, flexible emulsion 27%, iron red pigment 0.3%, butyl titanate 3.7%, defoamer 2.85%, 2-hydroxy-4-methoxy 0.15% of benzophenone and 33% of water were mixed according to parts by mass and uniformly mixed in a high-speed disperser at a speed of 1200r / min to obtain a slurry with a viscosity of 10Pa.s. In a gradient temperature-controlled oven, the slurry is repeatedly coated on the polypropylene template printed with decorative patterns. The thickness of each layer is 0.5mm. After each layer is coated, an appropriate amount of polyester with a diameter of 4μm and a length of 6mm is evenly sprinkled. Fiber, after drying, the next layer can be applied. The total amount of fiber is 3% of the mass of the slurry. The initial temperature of the oven is 80°C. For each increase in sample thickness by 1mm, the temperature rises by 5°C until the thickness reaches 3mm, and then heats up to Keep warm at 150°C for 1...

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Abstract

The invention discloses an inflaming-retarding flexible heat preservation facing material in building and a preparing method thereof, which is prepared from the following components in part by weight: 1-50 parts of soil particles, 1-50 parts of hollow filler, 1-10 parts of reinforced fibers, 10-50 parts of flexible emulsion, 0-1 part of pigment, 1-10 parts of accessory ingredient and 10-40 parts of water, that are mixed to form slurry with appropriate viscosity, are formed in a template with decorative patterns, so as to prepare a composite material with functions of inflaming retarding, heat preservation and decoration after gradient temperature control, drying and demoulding. According to the invention, the production process is environmental-friendly, the construction process is simple, convenient and feasible, and the inflaming-retarding flexible heat preservation facing material in building is particularly suitable for external facing of high-rise buildings and old town transformation.

Description

technical field [0001] The invention relates to the field of building thermal insulation and decoration materials, in particular to a flame-retardant flexible decorative material for external thermal insulation of building exterior walls and a preparation method thereof. Background technique [0002] With the acceleration of urbanization, the number of high-rise buildings is increasing, the height is getting higher and higher, and the style is more novel and unique, which puts forward higher and higher requirements for building decoration materials. Traditional ceramic facing bricks are mainly made by high-temperature sintering, which not only has high production costs and high energy consumption, but also has disadvantages such as large specific gravity, non-deformable, poor air permeability, and high-altitude safety hazards, which can no longer meet the requirements of modern architectural decoration. Although exterior wall coatings have rich colors and strong decorative p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B26/06
Inventor 陆洪彬唐伟高扬之孟祥康冯春霞
Owner 南通南京大学材料工程技术研究院
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