Solar backboard with high barrier property
A solar back sheet and high barrier technology, applied in the field of solar back sheets, can solve the problems of poor water vapor barrier performance, etc., and achieve the effects of easy operation, simple manufacturing process, and prevention of water vapor intrusion
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[0021] Example 1
[0022] A solar back plate having a high barrier property comprising a PET substrate layer 1, a bonding layer 2 disposed on both sides of the PET substrate layer 1 and a barrier layer 3 provided on the other side of the bonding layer 2, a PET substrate The thickness of the layer 1 is 120 μm; the adhesive layer 2 is an epoxy resin adhesive layer or an acrylic resin adhesive layer having a thickness of 2 μm; the thickness of the barrier layer 3 is 15 μm; wherein
[0023] The barrier layer 3 is prepared from the following raw material: 45 parts of the long carbon chain nylon, 2 parts of the nanometer inorganic powder and 2 parts; the preparation method of the barrier layer 3 is: put each raw material to the high speed mixer. Inside, heating to 380 ° C, stirring for 2 h, using an extruder, ie, prepared a barrier layer 3; the processed temperature of the extruder is 180 ° C.
[0024] Among them, the long-carbon chain nylon is PA1212; the average particle diameter of ...
Example Embodiment
[0025] Example 2
[0026] A solar back plate having a high barrier property comprising a PET substrate layer 1, a bonding layer 2 disposed on both sides of the PET substrate layer 1 and a barrier layer 3 provided on the other side of the bonding layer 2, a PET substrate The thickness of the layer 1 is 180 μm; the adhesive layer 2 is an epoxy resin adhesive layer or an acrylic resin adhesive layer having a thickness of 3 μm; the thickness of the barrier layer 3 is 22 μm; wherein
[0027] The barrier layer 3 is prepared from the following raw materials: 50 parts of the long carbon chain nylon, 20 parts of the nanometer inorganic powder and 3 parts of the heat stabilizer; the preparation method of the barrier layer 3 is: put each raw material into a high-speed mixer. Inside, stir for 4 h, extruder is extruded, i.e., prepared to prepare a barrier layer 3; the processed temperature of the extruder is 185 ° C.
[0028] Among them, the long-carbon chain nylon is PA1212; the average part...
Example Embodiment
[0029] Example 3
[0030] A solar back plate having a high barrier property comprising a PET substrate layer 1, a bonding layer 2 disposed on both sides of the PET substrate layer 1 and a barrier layer 3 provided on the other side of the bonding layer 2, a PET substrate The thickness of the layer 1 is 300 μm; the bonding layer 2 is an epoxy resin adhesive layer or an acrylic resin adhesive layer having a thickness of 3 μm; the thickness of the barrier layer 3 is 24 μm; wherein
[0031] The barrier layer 3 is prepared from the following raw materials: 40 parts of the long carbon chain nylon, 20 parts of the nanometer inorganic powder and 2.5 parts of the thermostability; the preparation method of the barrier layer 3 is: put each raw material to a high speed mixer. Inside, stirring is stirred, and the extruder is extruded, that is, the barrier layer 3 is prepared; the processed temperature of the extruder is 190 ° C.
[0032] Among them, the long-carbon chain nylon is PA1212; the a...
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