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An electromagnetic shielding coating and sulfonated graphene technology, applied in the field of coatings, can solve problems such as electromagnetic pollution and achieve excellent results
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, ele
Method used
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Embodiment 1
[0026] An electromagnetic shielding coating, comprising: polypyrrole 40
[0029] Fe 0.5 Ni 0.4 co 0.1 powder microwave absorber 5, and
[0030] Color dye 2; where,
[0031] The sulfonated graphene-polyaniline composite fiber is a sulfonated graphene-polyaniline composite fiber bundle, and the fiber bundle is vertically dispersed in polypyrrole to form an equidistant array, and the Fe 0.5 Ni 0.4 co 0.1 The powder microwave absorber is uniformly dispersed in the epoxy resin.
Embodiment 2
[0033] An electromagnetic shielding coating, comprising: polypyrrole 60
[0036] Fe 0.5 Ni 0.4 co 0.1 powder microwave absorber 15, and
[0037] Color dye 5; wherein,
[0038] The sulfonated graphene-polyaniline composite fiber is a sulfonated graphene-polyaniline composite fiber bundle, and the fiber bundle is vertically dispersed in polypyrrole to form an equidistant array, and the Fe 0.5 Ni 0.4 co 0.1 The powder microwave absorber is uniformly dispersed in the epoxy resin.
Embodiment 3
[0040] An electromagnetic shielding coating, comprising: polypyrrole 50
[0043] Fe 0.5 Ni 0.4 co 0.1 powder microwave absorber 10, and
[0044] Color dye 3; where,
[0045] The sulfonated graphene-polyaniline composite fiber is a sulfonated graphene-polyaniline composite fiber bundle, and the fiber bundle is vertically dispersed in polypyrrole to form an equidistant array, and the Fe 0.5 Ni 0.4 co 0.1 The powder microwave absorber is uniformly dispersed in the epoxy resin.
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Abstract
The invention discloses an electromagnetic shielding coating. The electromagnetic shielding coating comprises 40 to 60 parts of polypyrrole, 2 to 10 parts of a curing agent, 10 to 30 parts of a sulfonated graphene-polyaniline composite fiber, 5 to 15 parts of Fe0.5Ni0.4Co0.1 powder microwave absorbent, and 2 to 5 parts of a color dye; wherein the sulfonated graphene-polyaniline composite fiber is added in the form of sulfonated graphene-polyaniline composite fiber bundles, and the sulfonated graphene-polyaniline composite fiber bundles are vertically dispersed in polypyrrole so as to form an array with equal distances, and the Fe0.5Ni0.4Co0.1 powder microwave absorbent is uniformly dispersed in epoxy resin. The electromagnetic shielding coating possesses excellent electromagnetic shielding performance and heat dissipation performance.
Description
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 103059672A discloses an elec...
Claims
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Application Information
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