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Electromagnetic shielding coating
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A technology of electromagnetic shielding paint and dye, applied in conductive paint, coating and other directions, can solve problems such as electromagnetic pollution, and achieve the effect of excellent effect and good conductivity
Inactive Publication Date: 2017-03-22
WUXI CHANGAN SHUGUANG GLOVE FACTORY
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Problems solved by technology
Since the housing material of electronic equipment is generally plastic, electromagnetic waves can pass through freely, causing electromagnetic pollution
Method used
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Embodiment 1
[0019] An electromagnetic shielding coating, comprising: polypyrrole 40
[0024] The graphene fiber is a graphene fiber bundle, and the fiber bundle is vertically dispersed in polypyrrole to form an array at equal intervals, and the Fe 3 o 4 The microwave absorber is uniformly dispersed in the epoxy resin.
Embodiment 2
[0026] An electromagnetic shielding coating, comprising: polypyrrole 60
[0031] The graphene fiber is a graphene fiber bundle, and the fiber bundle is vertically dispersed in polypyrrole to form an array at equal intervals, and the Fe 3 o 4 The microwave absorber is uniformly dispersed in the epoxy resin.
Embodiment 3
[0033] An electromagnetic shielding coating, comprising: polypyrrole 50
[0034] Curing agent 5
[0035] graphene fiber 20,
[0036] Fe 0.5 Ni 0.4 co 0.1 powder microwave absorber 10, and
[0037] Color dye 3; where,
[0038] The graphene fiber is a graphene fiber bundle, and the fiber bundle is vertically dispersed in polypyrrole to form an array at equal intervals, and the Fe 3 o 4 The microwave absorber is uniformly dispersed in the epoxy resin.
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technical field [0001] The invention relates to the technical field of coatings, in particular to an electromagnetic shielding coating. Background technique [0002] With the rapid development of the electronic industry and communication industry, electronic and electrical equipment are widely used. Existing electrical equipment all has various electrical components. These electrical components generate electromagnetic radiation. Because the housing material of electronic equipment is generally plastic, electromagnetic waves can pass through freely, thereby causing electromagnetic pollution. In order to reduce the electromagnetic radiation of the devices and the mutual electromagnetic interference, it is necessary to metallize or conduct electricity to the plastic casing. Among them, conductive coatings have the advantages of low cost, easy automation and adaptation to complex shell shapes, and have the most development prospects. [0003] CN 103059672 A discloses an ele...
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