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Inorganic fibre fireproof insulation board

A fireproof insulation board and inorganic fiber technology, applied in the field of building energy-saving materials, can solve the problems of affecting the thermal conductivity of fiber materials, low mechanical strength, high thermal conductivity, etc., and achieve the effects of long service life, good toughness and low thermal conductivity

Inactive Publication Date: 2013-01-23
重庆龙者伯尔高新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] At present, there are many asbestos-free inorganic fiber thermal insulation fireproof boards on the market, which are mainly composed of various fibers, non-polar binders, organic binders, a large number of mineral fillers and additives. For example, the Chinese patent application number 200610155138.4 discloses a Asbestos-free high-temperature heat-resistant thermal insulation board is composed of high-temperature-resistant fibers, mineral fillers and adhesives. The content of high-temperature-resistant fibers is 40%-80%, and the content of mineral fillers is 10%-50%. A large number of mineral fillers are added to the electrodeless fiber to make a plate, and then made into particles for foam molding, spray molding, foam molding, etc., which will inevitably affect the thermal conductivity of the fiber material, resulting in a high thermal conductivity and causing The refractory temperature is low. For example, the high temperature resistance of the plate in this patent application can only reach 900°C
However, those skilled in the art know that if no mineral fillers are added, the board will be very soft and the mechanical strength will not be high

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0020] Example 1: Take 100kg of glass fiber, 3kg of gelatinized starch, 2kg of polyvinyl alcohol, and 0.2kg of a mixture of polysilane and siloxane, add 95kg of water to stir, mix and make pulp, and then use vacuum forming to produce a wet billet, forming After the wet base surface evenly smears the thick interface treatment agent of 5mm, wherein the interface treatment agent of 3mm thickness has penetrated under the wet base surface at last, and 2mm is positioned at the surface of wet base, and described interface treatment agent is made of cement 30 parts (parts by weight) , 40 parts of styrene-acrylic emulsion (parts by weight), 0.05 parts of AT-75 alkali-swellable thickener (AT-75 is a cross-linked polymer emulsion thickener formed by copolymerization of acrylate and methacrylate), hydrophobic It is prepared by stirring uniformly 2 parts (parts by weight) of the mixture of polysilane and siloxane and 7.2 parts (parts by weight) of water. Finally, after the wet billet is dr...

Embodiment 2

[0021] Example 2: Take 100kg of ceramic fiber, 2kg of gelatinized starch, and 0.1kg of hydrogen polysiloxane, add 100kg of water to stir, mix and make pulp, and then use vacuum forming to produce a wet billet, and evenly smear the surface of the formed wet billet 4mm thick interface treatment agent, wherein the thick interface treatment agent of 2mm has penetrated under the wet base surface at last, and 2mm is positioned at the surface of wet base, and described interface treatment agent consists of 40 parts (weight parts) of cement, 40 parts (weight parts) of styrene-acrylic emulsion parts), 0.1 parts (parts by weight) of T-900 alkali-swellable thickener, 3 parts (parts by weight) of hydrophobic agent hydropolysiloxane and 31 parts (parts by weight) of water are evenly prepared by stirring. Finally, after the wet billet is dried at about 110°C, it is cut into finished products after post-processing.

Embodiment 3

[0022] Example 3: Take 100kg of rock wool fiber, 10kg of gelatinized starch, 0.85kg of polysilane / siloxane, and 0.15kg of methyl silicate, add 90kg of water to stir, mix and make pulp, and then use vacuum forming to produce a wet billet , the surface of the wet billet after forming is evenly coated with an interface treatment agent, the thickness of the interface treatment agent is 5mm, and finally the interface treatment agent with a thickness of about 3mm has finally penetrated into the surface of the wet billet, and 2mm is located on the surface of the wet billet. The interface treatment agent Consists of 60 parts of cement, (parts by weight) 0.15 parts (parts by weight) of AT-75 alkali swelling thickener (AT-75 is a cross-linked polymer emulsion thickener formed by copolymerization of acrylate and methacrylate) 3 parts (parts by weight) of a mixture of water-repellent polysilane and siloxane, 2 parts (parts by weight) of methyl silicate, 70 parts (parts by weight) of styren...

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Abstract

The invention discloses an inorganic fibre fireproof insulation board which is prepared by the following steps: preparing a wet blank by using water and the following raw materials according to weight part ratio: an inorganic fibre, an organic binding agent and a moisture repellent with weight part ratio of 100: 2-10: 0.1-1; and then uniformly coating an interface treatment agent on the wet blank, wherein the interface treatment agent is formed by modulating water with the following materials: a cement, a styrene-acrylic emulsion, an alkali-swelling thickening agent and a water repellent in the weight part ratio of 30-60: 40-70: 0.05-0.15: 2-5, and finally drying the wet blank to obtain the finished product. The inorganic fibre fireproof insulation board is has the characteristics of low thermal conductivity, non-rigid material, good toughness, low water absorbing rate, low thermal capacity, excellent thermal stability and hot shock resistance, high compression strength, high tensile strength, long service life, excellent toughness, wind erosion resisting capability, excellent machining property and excellent sound-absorbing and noise-reducing properties.

Description

technical field [0001] The invention belongs to an inorganic fiber thermal insulation and fireproof board, and belongs to the field of building energy-saving materials. Background technique [0002] Building energy conservation is an important part of energy conservation. Promoting building energy conservation is a basic national policy for the country to respond to climate change and achieve sustainable development of the national economy. Since the "Eleventh Five-Year Plan", under the vigorous promotion of the national energy conservation and emission reduction policy, my country's building energy conservation work has developed rapidly. So far, more than 1.7 billion square meters of energy-saving buildings have been completed. The outer walls of these new energy-saving buildings and energy-saving renovations of existing buildings mainly adopt external wall insulation technology, especially in northern my country, almost all use thin plaster insulation systems such as pa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B26/28C04B26/04C04B41/50C04B14/38
Inventor 姜伟基魏君
Owner 重庆龙者伯尔高新材料有限公司
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