ELECTROMAGNETIC INTERFERENCE SHIELDING OF GRAPHENE NANO SHEET/POLYURETHANE FOAMS

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Nasrollah Gavgani Jaber; Dastjerdi Javad; ZAAREI DAVOOD

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Seminar Paper

Paper Information

Seminar: INTERNATIONAL SEMINAR ON POLYMER SCIENCE AND TECHNOLOGY
Year:2014 | Issue:11

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Title

ELECTROMAGNETIC INTERFERENCE SHIELDING OF GRAPHENE NANO SHEET/POLYURETHANE FOAMS

Author(s)

Nasrollah Gavgani Jaber | Dastjerdi Javad | ZAAREI DAVOOD | Issue Writer Certificate

Keywords

GRAPHENE NANOSHEETS

POLYURETHANE FOAM

ELECTRICAL CONDUCTIVITY

ELECTROMAGNETIC INTERFERENCE SHIELDING

Abstract

FLEXIBLE POLYURETHANE FOAMS WERE PREPARED WITH A VARIOUS AMOUNT OF GRAPHENE NANOSHEETS (GNS), AND THEIR ELECTROMAGNETIC INTERFERENCE (EMI) SHIELDING WERE STUDIED. THE ADDITION OF GNS ENDOWS THE INSULATING PU FOAMS WITH HIGH ELECTRICAL CONDUCTIVITY AND IMPROVED ELECTROMAGNETIC INTERFERENCE (EMI) SHIELDING EFFICIENCY WITH MICROWAVE ABSORPTION AS THE DOMINANT EMI SHIELDING MECHANISM. THE FOAMS SHOW A LOW PERCOLATION THRESHOLD OF 0.52 VOL.%. EMI SHIELDING EFFECTIVENESS WAS TESTED OVER A FREQUENCY RANGE OF 8.2-12.4 GHZ (X-BAND), AND 21 DB SHIELDING EFFICIENCY WAS OBTAINED FOR 15 WT% (8.8 VOL.%) GNS LOADING, THIS WORK PROVIDES A PROMISING METHODOLOGY TO FABRICATE TOUGH AND LIGHTWEIGHT GNS-PU MICROCELLULAR FOAMS WITH SUPERIOR ELECTRICAL AND EMI SHIELDING PROPERTIES BY SIMULTANEOUSLY COMBINING THE FUNCTIONALITY AND REINFORCEMENT OF THE GNS AND THE TOUGHENING EFFECT OF THE MICROCELLULAR CELLS.

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APA: Copy

Nasrollah Gavgani, Jaber, Dastjerdi, Javad, & ZAAREI, DAVOOD. (2014). ELECTROMAGNETIC INTERFERENCE SHIELDING OF GRAPHENE NANO SHEET/POLYURETHANE FOAMS. INTERNATIONAL SEMINAR ON POLYMER SCIENCE AND TECHNOLOGY. SID. https://sid.ir/paper/917805/en

Vancouver: Copy

Nasrollah Gavgani Jaber, Dastjerdi Javad, ZAAREI DAVOOD. ELECTROMAGNETIC INTERFERENCE SHIELDING OF GRAPHENE NANO SHEET/POLYURETHANE FOAMS. 2014. Available from: https://sid.ir/paper/917805/en

IEEE: Copy

Jaber Nasrollah Gavgani, Javad Dastjerdi, and DAVOOD ZAAREI, “ELECTROMAGNETIC INTERFERENCE SHIELDING OF GRAPHENE NANO SHEET/POLYURETHANE FOAMS,” presented at the INTERNATIONAL SEMINAR ON POLYMER SCIENCE AND TECHNOLOGY. 2014, [Online]. Available: https://sid.ir/paper/917805/en

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