Preparation method of a surface-enhanced high-temperature-resistant nano-insulation material
A nano-insulation material and surface strengthening technology, applied in chemical instruments and methods, synthetic resin layered products, lamination devices, etc. Wide range of effects
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Embodiment 1
[0039] Such as figure 1 Shown is a schematic diagram of the surface-strengthened high-temperature-resistant nano-insulation material in Example 1 of the present invention. The high-temperature-resistant nano-insulation material to be prepared in this example is a part of a cylindrical structure, including an inner nano-insulation core material 1 And the surface reinforcement layer, the nano-insulation material is granular porous insulation material or fiber-reinforced airgel insulation material, the surface reinforcement layer includes a low-temperature surface 2 and other surfaces 3 except the low-temperature surface 2, wherein the low-temperature surface is inorganic The fiber cloth reinforces the resin, and the other sides are inorganic fiber cloth.
[0040] In this example:
[0041]The nano insulation material is compression molded SiO 2 Nanoparticle porous insulation material. Thickness is 30mm, density is 0.35g / cm 3 , the thermal conductivity is 0.023W / m·K.
[0042]...
Embodiment 2
[0055] The shape of the surface-reinforced high-temperature-resistant nano-insulation material in this embodiment is the same as in Example 1, including the inner nano-insulation material core material 1 and the surface strengthening layer, and the nano-insulation material is a granular porous insulation material or fiber-reinforced airgel In the heat insulating material, the surface strengthening layer includes a low temperature surface 2 and other surfaces 3 except the low temperature surface 2, wherein the low temperature surface is made of inorganic fiber cloth reinforced resin, and the other surfaces are made of inorganic fiber cloth.
[0056] In this example:
[0057] Nano insulation material is mullite fiber reinforced SiO 2 Airgel composites. The thickness is 35mm and the density is 0.2g / cm 3 , the thermal conductivity is 0.021W / m·K.
[0058] The low-temperature surface 2 in the surface reinforcement layer is made of inorganic fiber cloth reinforced resin, and the o...
Embodiment 3
[0069] The shape of the surface-reinforced high-temperature-resistant nano-insulation material in this embodiment is the same as in Example 1, including the inner nano-insulation material core material 1 and the surface strengthening layer, and the nano-insulation material is a granular porous insulation material or fiber-reinforced airgel In the heat insulating material, the surface strengthening layer includes a low temperature surface 2 and other surfaces 3 except the low temperature surface 2, wherein the low temperature surface is made of inorganic fiber cloth reinforced resin, and the other surfaces are made of inorganic fiber cloth.
[0070] In this example:
[0071] The nano insulation material is compression molded Al 2 o 3 Nanoparticle porous insulation material. Thickness is 40mm, density is 0.45g / cm 3 , the thermal conductivity is 0.03W / m·K.
[0072] The low-temperature surface 2 in the surface reinforcement layer is made of inorganic fiber cloth reinforced res...
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