Fireproof heat insulation composite lightweight sheet material and preparation method thereof
A sheet and lightweight technology, applied in the field of composite lightweight sheet and its preparation, can solve the problems of low thermal conductivity, inconvenient construction, high brittleness, etc., and achieve the effects of good waterproofness, easy acceptance, light weight and strength
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Embodiment 1
[0031] The first step: spread a layer of polytetrafluoroethylene release paper on the operating platform, and use the LGPQ12CB high-pressure airless sprayer of Shanghai Liangshi Spraying Equipment Co., Ltd. to evenly spray 2127 dissolved in ethanol with a concentration of 70%. Type phenolic resin, the spraying amount of each layer of phenolic resin is 141g / m 2 , and then lay a layer of glass fiber needle felt at an angle of 0 degrees, and then spray 2127 type phenolic resin evenly, lay a layer of glass fiber needle felt at a 0 degree angle, and so on until all the glass fiber needle felts are laid , and then spray 2127 type phenolic resin evenly, and cover with a layer of release paper. The number of layers of glass fiber needle felt is 7 layers, the thickness is 3mm, and the bulk density is 100kg / m 3 . The mass ratio of 2127 type phenolic resin to glass fiber needle felt is 100:185.
[0032] Step 2: Put the glass fiber needle felt impregnated with 2127 type phenolic resin ...
Embodiment 2
[0036] The first step: Spread a layer of PTFE release paper on the operating platform, and use the LGPQ12CB high-pressure airless sprayer of Shanghai Liangshi Spraying Equipment Co., Ltd. to evenly spray 2130 dissolved in ethanol with a concentration of 70%. Type phenolic resin, the spraying amount of each layer of phenolic resin is 1600g / m 2 , and then lay a layer of carbon fiber needle felt at an angle of 0 degrees, and then spray 2130 type phenolic resin evenly, lay a layer of carbon fiber needle felt at an angle of 90 degrees, and so on until all carbon fiber needle felts are laid, and then evenly Spray 2130 type phenolic resin on the ground, and cover with a layer of release paper. The number of layers of carbon fiber needle felt is 4 layers, the thickness is 10mm, and the bulk density is 110kg / m 3 . The mass ratio of 2130 type phenolic resin to carbon fiber needle felt is 100:55.
[0037] Step 2: Put the carbon fiber needle-punched felt impregnated with 2130-type phen...
Embodiment 3
[0041]Step 1: Lay a layer of PTFE release paper on the operating platform, and use the LGPQ12CB high-pressure airless sprayer of Shanghai Liangshi Spraying Equipment Co., Ltd. to evenly spray 2127 dissolved in ethanol with a concentration of 80%. Type phenolic resin, the spraying amount of each layer of phenolic resin is 2667g / m 2 , and then lay a layer of basalt fiber needle felt at an angle of 0 degrees, and then spray 2127 type phenolic resin evenly, lay a layer of basalt fiber needle felt at an angle of 45 degrees, and so on until all the basalt fiber needle felts are laid , and then spray 2127 type phenolic resin evenly, and cover with a layer of release paper. The number of layers of basalt fiber needle felt is 2 layers, the thickness is 20mm, and the bulk density is 200kg / m 3 . The mass ratio of 2127 type phenolic resin to basalt fiber needle felt is 100:100.
[0042] Step 2: Put the basalt fiber needle-punched felt impregnated with 2127 type phenolic resin flatly on...
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