A kind of high flame retardant heat-barrier material
Technical field
The utility model relates to a kind of heat-barrier material, and particularly a kind of high flame retardant heat-barrier material belongs to the heat-barrier material technical field.
Background technology
Along with present global warming, in the overall situation of low-carbon economy, country encourages, promotes energy-saving and emission-reduction energetically, and environmental protection, energy saving building are important rings.The building class roof that existing market is generally used, the heat insulation material of wall are for EPE foam or harmless cloth and the aluminium film individual layer heat-barrier material that forms such as compound.But it generally has shortcoming: at first, class material damping performances such as EPE foam or harmless cloth are poor, and easily oxidation and corrosion, and service life is low.Lost waterproof, heat insulation function in general two to three years gradually.Secondly, this material extending and lower to tensile strength in length and breadth, contact with foreign matter or weight under easily break, and relatively poor owing to surface smoothness, the sunray reflectivity is lower; Heat insulation, heat-insulating property is relatively poor relatively.Once more, no air barrier layer in the middle of this material, interior outside energy forms convection current, conduction easily, and influences heat insulation usefulness.Therefore, develop a kind of not only had higher-strength and elasticity and can be anti-oxidant and corrosion-resistant but also have high effect of heat insulation, the novel heat insulation material of economy and durability is the relevant industries urgent problems.
Summary of the invention
The utility model purpose is that a kind of high flame retardant heat-barrier material is provided in order to overcome the deficiencies in the prior art.
For achieving the above object, the technical solution adopted in the utility model is: a kind of high flame retardant heat-barrier material, it is the intermediate base layer with the flame-proof polyethylene bubble layer, the attached first flame-proof polyethylene layer that is knotted on the upper surface of described flame-proof polyethylene bubble layer, attachedly on the upper surface of the described first flame-proof polyethylene layer be knotted fire-retardant base fabric or the fire retardant nonwoven fabric layer that the thickness that is made by polyethylene or polypropylene is the 10-100 micron, attached first aluminum membranous layer that is knotted on the upper surface of described fire-retardant base fabric or fire retardant nonwoven fabric layer, the attached second flame-proof polyethylene layer that is knotted on the lower surface of described flame-proof polyethylene bubble layer, attachedly on the lower surface of the described second flame-proof polyethylene layer be knotted fire-retardant base fabric or the fire retardant nonwoven fabric layer that the thickness that is made by polyethylene or polypropylene is the 10-100 micron, at attached second aluminum membranous layer that is knotted of the undersurface layer of described fire-retardant base fabric or fire retardant nonwoven fabric layer.
Preferably, described flame-proof polyethylene bubble layer is made up of the air bladder that the polyethylene extruded blown forms, and the height of described air bladder is the 3-15 millimeter, and bubble diameter is the 3-30 millimeter.
Preferably, the thickness of the described first flame-proof polyethylene layer, the second flame-proof polyethylene layer is the 10-50 micron; The thickness of described first aluminum membranous layer, second aluminum membranous layer is the 6-30 micron.
Preferably, extrude compound connection by polyurethanes coupler or polyethylene or polypropylene between described flame-proof polyethylene bubble layer, the first flame-proof polyethylene layer, the second flame-proof polyethylene layer, fire-retardant base fabric or fire retardant nonwoven fabric layer, first aluminum membranous layer are adjacent with second aluminum membranous layer, the thickness of described polyurethanes coupler or polyethylene or polypropylene layer is the 5-30 micron.
Technique scheme has following beneficial effect: high flame retardant heat-barrier material described in the utility model has made full use of characteristics such as base fabric or the high reflection of nonwoven layer high strength, good toughness and aluminium film, thicker fire-retardant base fabric or fire retardant nonwoven fabric layer are set on the bubble heat-barrier material, make the heat-barrier material of preparation have excellent properties such as high flame retardant, high heat insulation, highly corrosion resistant, high strength, damping.
Description of drawings
Below in conjunction with accompanying drawing technical solutions of the utility model are described further:
Fig. 1 is the structural representation of the high flame retardant heat-barrier material of the embodiment of the invention;
Wherein: 1, flame-proof polyethylene bubble layer; 2, first glass layer; 3, fire-retardant base fabric or fire retardant nonwoven fabric layer; 4, first aluminum membranous layer; 5, second glass layer; 6, fire-retardant base fabric or fire retardant nonwoven fabric layer; 7, second aluminum membranous layer.
The specific embodiment
The utility model is described in further detail below in conjunction with drawings and the specific embodiments.
As shown in Figure 1, this high flame retardant heat-barrier material is the intermediate base layer with flame-proof polyethylene bubble layer 1, and flame-proof polyethylene bubble layer 1 is made up of the air bladder that the polyethylene extruded blown forms, and the height of air bladder is the 3-15 millimeter.The attached first flame-proof polyethylene layer 2 that is knotted on the upper surface of flame-proof polyethylene bubble layer, attached fire-retardant base fabric or the fire retardant nonwoven fabric layer 3 that the thickness that is made by polyethylene or polypropylene is the 10-100 micron, attached first aluminum membranous layer 4 that is knotted on the upper surface of fire-retardant base fabric or fire retardant nonwoven fabric layer 3 of being knotted on the upper surface of the first flame-proof polyethylene layer 2; The attached second flame-proof polyethylene layer 5 that is knotted on the lower surface of flame-proof polyethylene bubble layer 1, attached fire-retardant base fabric or the fire retardant nonwoven fabric layer 6 that is made by polyethylene or polypropylene that be knotted on the lower surface of the second flame-proof polyethylene layer 5 is at attached second aluminum membranous layer 7 that is knotted of the outer undersurface layer of fire-retardant base fabric or fire retardant nonwoven fabric layer 6.
The thickness of the first flame-proof polyethylene layer 2, the second flame-proof polyethylene layer 5 is the 10-50 micron, the thickness of first aluminum membranous layer 4, second aluminum membranous layer 7 is the 6-30 micron, and the thickness of fire-retardant base fabric or fire retardant nonwoven fabric layer 6 is the 10-100 micron.All extrude compound connection by polyurethanes coupler or polyethylene or polypropylene between air bladder, the first flame-proof polyethylene layer 2, fire-retardant base fabric or fire retardant nonwoven fabric layer 3, first aluminum membranous layer 4 and the second flame-proof polyethylene layer 5, fire-retardant base fabric or fire retardant nonwoven fabric layer 6 and second aluminum membranous layer 7, polyurethanes coupler or polyethylene or polyacrylic thickness are the 5-30 micron.The nano-meter flame retardants ratio that adds in flame-proof polyethylene bubble layer 1, the first flame-proof polyethylene layer 2, the second flame-proof polyethylene layer 5, fire-retardant base fabric or fire retardant nonwoven fabric layer 3, fire-retardant base fabric or the fire retardant nonwoven fabric layer 6 is 35%.
Technique scheme has following beneficial effect: high flame retardant heat-barrier material described in the utility model has made full use of characteristics such as base fabric or the high reflection of nonwoven layer high strength, good toughness and aluminium film, thicker fire-retardant base fabric or fire retardant nonwoven fabric layer are set on the bubble heat-barrier material, make the heat-barrier material of preparation have excellent properties such as high flame retardant, high heat insulation, highly corrosion resistant, high strength, damping.
Below only be concrete exemplary applications of the present utility model, protection domain of the present utility model is not constituted any limitation.All employing equivalents or equivalence are replaced and the technical scheme of formation, all drop within the utility model rights protection scope.