Environmentally-friendly super hydrophobic glazed hollow bead grade A fireproof composite insulation board and production method thereof
A vitrified microbead plate and vitrified microbead technology are applied in chemical instruments and methods, heat preservation, fire prevention, etc., which can solve the problems of high water absorption rate of vitrified microbeads, the contradiction between the strength of insulation materials and thermal conductivity, etc. Excellent water performance, stable physical and chemical properties, and improved surface adhesion
Inactive Publication Date: 2012-03-28
宁宝柱
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Problems solved by technology
[0005] The invention provides an environment-friendly super-hydrophobic vitrified microbead A-grade fireproof composite thermal insulation board and its production method. The technical problem that the contradiction between the strength and thermal conductivity of vitrified microbead insulation materials is difficult to solve
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[0053] Examples see figure 1 As shown, this environmentally friendly super-hydrophobic vitrified microbead A-class fireproof composite thermal insulation board includes a thermal insulation layer, a mortar layer and a non-woven fabric. The super-hydrophobic vitrified bead plate is formed by extruding at low temperature, then extruded and shaped by a mold, and cooled and cut. Layer 2 is compounded; the thickness of the super-hydrophobic vitrified microbead plate 1 is 7 cm, and the thickness of the mortar layer 2 is 15 cm.
[0054] The super-hydrophobic vitrified microbeads are formed by impregnating vitrified microbeads with a two-component water-repellent agent, filtering, and drying. The two-component water-repellent agent is composed of monomethylsiloxane organic water repellent and The reactive polydimethylsiloxane aqueous emulsion is mixed at a weight ratio of 1:1.5 to prepare an aqueous solution with a concentration of 2‰.
[0055] The vitrified microbeads can adopt a v...
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Abstract
The invention discloses an environmentally-friendly super hydrophobic glazed hollow bead grade A fireproof composite insulation board and a production method thereof. The insulation board comprises an insulation layer, a mortar layer and non-woven cloth, wherein the insulation layer is a super hydrophobic glazed hollow bead board which is formed by uniformly stirring super hydrophobic glazed hollow beads, injecting an aid, extruding at the low temperature, extruding and shaping with a mold, cooling and cutting; the non-woven cloth is paved on the two faces of the super hydrophobic glazed hollow bead board, and is compounded with the mortar layer; the super hydrophobic glazed hollow beads are obtained by soaking glazed hollow beads with a bi-component water repellent, filtering and drying;and the bi-component water repellent is a 0.1-0.6 percent aqueous solution obtained by mixing a mono-methylsiloxane organic waterproof agent with a reactive dimethyl siloxane aqueous emulsion in the weight ratio of 1:1.5. By adopting the composite insulation board, the problem that glazed hollow beads cannot be applied to external thermal insulation of outer walls due to high water absorbing capacity; and the composite insulation board contributes to saving energy, is environmentally-friendly, can reach the grade A1 fireproof index, and can be widely applied to insulation work of outer walls and roofs of buildings.
Description
technical field [0001] The invention relates to a building exterior wall insulation board and a production method thereof. Background technique [0002] Expanded perlite is an acidic glassy lava formed under certain conditions during volcanic eruptions. It is a non-metallic mineral and its main component is SO 2 , Al 2 o 3 , CaO and a certain amount of combined crystal water. The vitrified microbeads are made of expanded perlite through a special production process. Because the particle surface is closed by vitrification, its water absorption rate is lower than that of expanded perlite, so it is a better inorganic light insulation material. However, the water absorption rate of the processed vitrified microbeads is still above 50%. If it is used as a wall insulation material, when the temperature changes, the vitrified microbeads will bubble and crack due to water absorption and expansion. In addition, water absorption reduces the insulating properties of the material. ...
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IPC IPC(8): E04B1/80E04B1/94C04B28/00B32B13/14B32B17/12B28B3/00
Inventor 宁宝柱余建国黄美兰余途康张毛毛
Owner 宁宝柱
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