Polyethylene composite film for shielding wideband electromagnetic wave and its preparing method
A polyethylene, electromagnetic wave technology, applied in shielding, magnetic/electric field shielding, electrical components and other directions, can solve the problem of inability to shield electromagnetic waves, achieve good electromagnetic wave shielding performance, widen the shielding range, and improve the effect of shielding effectiveness
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 Below in conjunction with embodiment, further illustrate the present invention.
 raw material:
 polyethylene : Low-density polyethylene (LDPE), provided by the chemical plant of Beijing Yanshan Petrochemical Company, brand AC-100, density 0.9225g / cm 3 , Melt flow rate 2.0g / 10min, granular.
 antioxidant : A mixture of tetrakis[β-(3',5'-di-tert-butyl-4'-hydroxyphenyl)propionate]pentaerythritol ester and dilauryl thiodipropionate in a weight ratio of 1:1, Beijing Orsay Ling Ke Trading Co., Ltd. for sale.
 stainless steel long fiber : The fiber diameter is about 6.5 μm, the relative electrical conductivity is 0.1, and the relative magnetic permeability is ≥1000, provided by Hunan Huitong New Material Co., Ltd.
 polycrystalline iron fiber : Provided by Jiangyou Hebao Nano Material Co., Ltd., short black fiber, with a diameter range of 6.5-9 μm, a length range of 0.5-2 mm, a relative conductivity of 0.17, and a relative magnet...
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