Composite material for interior wall decoration of rail transit vehicle and preparation method thereof
A composite material and rail transit technology, which is applied in the field of rail transit car interior wall decoration composite materials and its preparation, can solve problems such as irreparable, poor fireproof performance, moisture absorption or degradation of hydraulic performance, and meet the requirements of light weight, anti-corrosion Good pressure performance and enhanced mechanical properties
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Embodiment 1
[0033] A composite material for interior wall decoration of a rail transit vehicle, which is composed of a lower panel, an adhesive film, a honeycomb core, an adhesive film, and an upper panel from bottom to top; the thickness of the upper panel is 0.2mm, and the upper panel is made of phenolic resin impregnated with glass fiber It is made of cured plain weave cloth; the thickness of the lower panel is 0.2mm, and the lower panel is cured by phenolic resin impregnated glass fiber twill cloth; the surface density of the adhesive film is 100g / m 2 Semi-cured epoxy resin film; honeycomb core with a density of 40kg / m 3 , a composite polyimide fiber honeycomb with a cell side length of 1.83 mm and a thickness of 5 mm;
[0034] Wherein, the composite polyimide fiber is prepared by the following method:
[0035] (1) 50 parts by weight of polyimide fiber, 30 parts by weight of polystyrene resin, and 15 parts by weight of basalt fiber are placed in a stirrer, and stirred at 60 ° C for 2...
Embodiment 2
[0046] A composite material for interior wall decoration of a rail transit vehicle, which is composed of a lower panel, an adhesive film, a honeycomb core, an adhesive film, and an upper panel from bottom to top; the thickness of the upper panel is 1 mm, and the upper panel is made of flame-retardant epoxy resin It is made of impregnated carbon fiber plain cloth and cured; the thickness of the lower panel is 1mm, and the lower panel is cured by impregnating carbon fiber twill cloth with flame-retardant epoxy resin; the surface density of the adhesive film is 300g / m 2 Semi-cured phenolic resin film; honeycomb core with a density of 80kg / m 3 , a composite polyimide fiber honeycomb with a cell side length of 3.0 mm and a thickness of 30 mm;
[0047] Wherein, the composite polyimide fiber is prepared by the following method:
[0048] (1) 80 parts by weight of polyimide fiber, 40 parts by weight of polystyrene resin, and 20 parts by weight of basalt fiber are placed in a stirrer, ...
Embodiment 3
[0059] A composite material for interior wall decoration of a rail transit vehicle, which is composed of a lower panel, an adhesive film, a honeycomb core, an adhesive film, and an upper panel from bottom to top; the thickness of the upper panel is 2mm, and the upper panel is made of basalt fiber impregnated with phenolic resin Plain weave is cured; the thickness of the lower panel is 2mm, and the lower panel is cured by flame-retardant epoxy resin impregnated basalt fiber twill; the surface density of the adhesive film is 400g / m 2 Semi-cured phenolic resin film; honeycomb core with a density of 144kg / m 3 , a composite polyimide fiber honeycomb with a cell side length of 5.0 mm and a thickness of 50 mm;
[0060] Wherein, the composite polyimide fiber is prepared by the following method:
[0061] (1) 100 parts by weight of polyimide fiber, 50 parts by weight of polystyrene resin, and 25 parts by weight of basalt fiber are placed in a stirrer, and stirred at 80 ° C for 10 min; ...
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Abstract
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