Vibration and noise reduction polyimide foam heat insulation composite material for ship cabin and installation method
A polyimide, vibration and noise reduction technology, applied in chemical instruments and methods, ship hulls, ship construction, etc., can solve unsatisfactory vibration and noise reduction effects, heavy weight of heat insulation and noise reduction materials, poor construction technology, etc. Problems, to achieve excellent thermal insulation effect, convenient construction, low smoke effect
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Embodiment 2
[0049]A 50mm thick polyimide thermal insulation foam board that meets the following indicators is selected: the thermal conductivity is 0.030W / m K; the limiting oxygen index is 35.1%; the smoke toxicity and low flame spread conform to the "International Fire Test Procedure Application Rules ( FTPC) "stipulations; flame resistance reaches V-0 level.
[0050] First of all, the inner wall of the cabin where polyimide heat insulation foam boards need to be laid should be painted with 2 layers of high and low temperature resistant epoxy iron red antirust paint according to the shipyard paint process. The thickness of each layer is 80 μm, and the paint surface should be kept clean.
[0051] After the primer of high and low temperature resistant epoxy iron red antirust paint is completely cured, paint 3 layers of 3109 marine damping paint with a thickness of 2.2mm on the surface at a temperature of 25°C and an environment with an air humidity of less than 80%. At the same time, ensur...
Embodiment 3
[0056] A 50mm thick polyimide thermal insulation foam board that meets the following indicators is selected: the thermal conductivity is 0.038W / m K; the limiting oxygen index is 36.8%; the smoke toxicity and low flame spread conform to the "International Fire Resistance Test Procedure Application Rules ( FTPC) "stipulations; flame resistance reaches V-0 level.
[0057] First of all, the inner wall of the cabin where the polyimide heat insulation foam board needs to be laid should be painted with 2 layers of high and low temperature resistant solvent-free epoxy antirust primer according to the shipyard paint process, each layer thickness is 80μm, and the paint surface should be kept clean.
[0058] After the primer is completely cured, paint 3 layers of 3109 marine damping paint with a thickness of 1.8mm on the surface at a temperature of 20°C and an air humidity of less than 80%. At the same time, ensure that the upper layer is completely cured and continue to paint Brush the ...
Embodiment 4
[0070] A 50mm thick polyimide thermal insulation foam board that meets the following indicators is selected: the thermal conductivity is 0.039W / m K; the limiting oxygen index is 36.8%; the smoke toxicity and low flame spread conform to the "International Fire Resistance Test Procedure Application Rules ( FTPC) "stipulations; flame resistance reaches V-0 level.
[0071] First of all, the inner wall of the cabin where the polyimide heat insulation foam board needs to be laid should be painted with 3 layers of high and low temperature resistant solvent-free epoxy antirust primer according to the shipyard paint process, each layer thickness is 60μm, and the paint surface should be kept clean.
[0072] After the primer is completely cured, paint 3 layers of 3101M water-based anti-corrosion damping paint with a thickness of 2.5mm on the surface at a temperature of 25°C and an environment with an air humidity of less than 80%. At the same time, ensure that the upper layer is completel...
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