Carbonized Charcoal‐Loaded PVDF Polymer Composite: A Promising EMI Shielding Material
Microcomposites of charcoal‐loaded polyvinylidene fluoride (PVDF) polymer have been prepared by solution mixing and hot compression method for electromagnetic interference (EMI) shielding applications. Electrical conductivity, dielectric properties and EMI shielding efficiency of these composites ha...
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| Veröffentlicht in: | Arabian journal for science and engineering (2011) 2020, Vol.45 (1), p.465-474 |
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| creator | Halder, Krishna Kamal Tomar, Monika Sachdev, V. K. Gupta, Vinay |
| description | Microcomposites of charcoal‐loaded polyvinylidene fluoride (PVDF) polymer have been prepared by solution mixing and hot compression method for electromagnetic interference (EMI) shielding applications. Electrical conductivity, dielectric properties and EMI shielding efficiency of these composites have been studied in the X-band (8.2–12.4 GHz) frequency region. An increase in the conductivity from ~ 1.47 × 10
−14
S/cm for pure PVDF to 23.2 S/cm for 80 wt.% charcoal‐loaded PVDF composite is obtained with improved mechanical strength. High effective dielectric constant
(
∈
′
)
value of 116.06 and dielectric loss
(
∈
″
)
of 233.59 are obtained at a frequency of 8.2 GHz. A high value of total shielding (SE
T
), shielding due to absorption (SE
A
) and shielding due to reflection (SE
R
) are measured to be 70.1 dB, 59.3 dB and 9.2 dB, respectively, for 80 wt.% charcoal‐incorporated PVDF polymer composite, respectively. Dispersion studies suggest that SE
T
of the charcoal‐loaded PVDF polymer composite is independent of frequency and is mainly absorption dominant which makes it a suitable material for EMI shielding applications. |
| doi_str_mv | 10.1007/s13369-019-04054-8 |
| format | Article |
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−14
S/cm for pure PVDF to 23.2 S/cm for 80 wt.% charcoal‐loaded PVDF composite is obtained with improved mechanical strength. High effective dielectric constant
(
∈
′
)
value of 116.06 and dielectric loss
(
∈
″
)
of 233.59 are obtained at a frequency of 8.2 GHz. A high value of total shielding (SE
T
), shielding due to absorption (SE
A
) and shielding due to reflection (SE
R
) are measured to be 70.1 dB, 59.3 dB and 9.2 dB, respectively, for 80 wt.% charcoal‐incorporated PVDF polymer composite, respectively. Dispersion studies suggest that SE
T
of the charcoal‐loaded PVDF polymer composite is independent of frequency and is mainly absorption dominant which makes it a suitable material for EMI shielding applications.</description><identifier>ISSN: 2193-567X</identifier><identifier>ISSN: 1319-8025</identifier><identifier>EISSN: 2191-4281</identifier><identifier>DOI: 10.1007/s13369-019-04054-8</identifier><language>eng</language><publisher>Berlin/Heidelberg: Springer Berlin Heidelberg</publisher><subject>Absorption ; Charcoal ; Dielectric loss ; Dielectric properties ; Dielectric strength ; Electrical resistivity ; Electromagnetic shielding ; Engineering ; Hot pressing ; Humanities and Social Sciences ; multidisciplinary ; Polymer matrix composites ; Polymers ; Polyvinylidene fluorides ; Product design ; Research Article - Physics ; Science ; Superhigh frequencies</subject><ispartof>Arabian journal for science and engineering (2011), 2020, Vol.45 (1), p.465-474</ispartof><rights>King Fahd University of Petroleum & Minerals 2019</rights><rights>2019© King Fahd University of Petroleum & Minerals 2019</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c319t-3ff4bfccb01c7163e76b5b963143cff272ded6aded004472c9880d3d4d9689d43</citedby><cites>FETCH-LOGICAL-c319t-3ff4bfccb01c7163e76b5b963143cff272ded6aded004472c9880d3d4d9689d43</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s13369-019-04054-8$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s13369-019-04054-8$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27923,27924,41487,42556,51318</link.rule.ids></links><search><creatorcontrib>Halder, Krishna Kamal</creatorcontrib><creatorcontrib>Tomar, Monika</creatorcontrib><creatorcontrib>Sachdev, V. K.</creatorcontrib><creatorcontrib>Gupta, Vinay</creatorcontrib><title>Carbonized Charcoal‐Loaded PVDF Polymer Composite: A Promising EMI Shielding Material</title><title>Arabian journal for science and engineering (2011)</title><addtitle>Arab J Sci Eng</addtitle><description>Microcomposites of charcoal‐loaded polyvinylidene fluoride (PVDF) polymer have been prepared by solution mixing and hot compression method for electromagnetic interference (EMI) shielding applications. Electrical conductivity, dielectric properties and EMI shielding efficiency of these composites have been studied in the X-band (8.2–12.4 GHz) frequency region. An increase in the conductivity from ~ 1.47 × 10
−14
S/cm for pure PVDF to 23.2 S/cm for 80 wt.% charcoal‐loaded PVDF composite is obtained with improved mechanical strength. High effective dielectric constant
(
∈
′
)
value of 116.06 and dielectric loss
(
∈
″
)
of 233.59 are obtained at a frequency of 8.2 GHz. A high value of total shielding (SE
T
), shielding due to absorption (SE
A
) and shielding due to reflection (SE
R
) are measured to be 70.1 dB, 59.3 dB and 9.2 dB, respectively, for 80 wt.% charcoal‐incorporated PVDF polymer composite, respectively. Dispersion studies suggest that SE
T
of the charcoal‐loaded PVDF polymer composite is independent of frequency and is mainly absorption dominant which makes it a suitable material for EMI shielding applications.</description><subject>Absorption</subject><subject>Charcoal</subject><subject>Dielectric loss</subject><subject>Dielectric properties</subject><subject>Dielectric strength</subject><subject>Electrical resistivity</subject><subject>Electromagnetic shielding</subject><subject>Engineering</subject><subject>Hot pressing</subject><subject>Humanities and Social Sciences</subject><subject>multidisciplinary</subject><subject>Polymer matrix composites</subject><subject>Polymers</subject><subject>Polyvinylidene fluorides</subject><subject>Product design</subject><subject>Research Article - Physics</subject><subject>Science</subject><subject>Superhigh frequencies</subject><issn>2193-567X</issn><issn>1319-8025</issn><issn>2191-4281</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2020</creationdate><recordtype>article</recordtype><recordid>eNp9UMtOwzAQtBBIVKU_wCkS54BfcWJuVWihUisq8bxZjuO0Rklc7PRQTnwC38iX4DZI3Dis9qGZ2d0B4BzBSwRheuURIYzHEIWgMKFxdgQGGHEUU5yh40NN4oSlr6dg5L0pIM0ITxAiA_CSS1fY1nzoMsrX0ikr6-_Pr7mVZZgsn2-m0dLWu0a7KLfNxnrT6etoHC2dbYw37SqaLGbRw9routx3C9lpZ2R9Bk4qWXs9-s1D8DSdPOZ38fz-dpaP57EiiHcxqSpaVEoVEKkUMaJTViQFZwRRoqoKpzicwfa3QEhpihXPMliSkpacZbykZAguet2Ns-9b7TvxZreuDSsFJpSE_xHGAYV7lHLWe6crsXGmkW4nEBR7D0XvoQgeioOHIgsk0pN8ALcr7f6k_2H9ADJbdHw</recordid><startdate>2020</startdate><enddate>2020</enddate><creator>Halder, Krishna Kamal</creator><creator>Tomar, Monika</creator><creator>Sachdev, V. K.</creator><creator>Gupta, Vinay</creator><general>Springer Berlin Heidelberg</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>2020</creationdate><title>Carbonized Charcoal‐Loaded PVDF Polymer Composite: A Promising EMI Shielding Material</title><author>Halder, Krishna Kamal ; Tomar, Monika ; Sachdev, V. K. ; Gupta, Vinay</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c319t-3ff4bfccb01c7163e76b5b963143cff272ded6aded004472c9880d3d4d9689d43</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2020</creationdate><topic>Absorption</topic><topic>Charcoal</topic><topic>Dielectric loss</topic><topic>Dielectric properties</topic><topic>Dielectric strength</topic><topic>Electrical resistivity</topic><topic>Electromagnetic shielding</topic><topic>Engineering</topic><topic>Hot pressing</topic><topic>Humanities and Social Sciences</topic><topic>multidisciplinary</topic><topic>Polymer matrix composites</topic><topic>Polymers</topic><topic>Polyvinylidene fluorides</topic><topic>Product design</topic><topic>Research Article - Physics</topic><topic>Science</topic><topic>Superhigh frequencies</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Halder, Krishna Kamal</creatorcontrib><creatorcontrib>Tomar, Monika</creatorcontrib><creatorcontrib>Sachdev, V. K.</creatorcontrib><creatorcontrib>Gupta, Vinay</creatorcontrib><collection>CrossRef</collection><jtitle>Arabian journal for science and engineering (2011)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Halder, Krishna Kamal</au><au>Tomar, Monika</au><au>Sachdev, V. K.</au><au>Gupta, Vinay</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Carbonized Charcoal‐Loaded PVDF Polymer Composite: A Promising EMI Shielding Material</atitle><jtitle>Arabian journal for science and engineering (2011)</jtitle><stitle>Arab J Sci Eng</stitle><date>2020</date><risdate>2020</risdate><volume>45</volume><issue>1</issue><spage>465</spage><epage>474</epage><pages>465-474</pages><issn>2193-567X</issn><issn>1319-8025</issn><eissn>2191-4281</eissn><abstract>Microcomposites of charcoal‐loaded polyvinylidene fluoride (PVDF) polymer have been prepared by solution mixing and hot compression method for electromagnetic interference (EMI) shielding applications. Electrical conductivity, dielectric properties and EMI shielding efficiency of these composites have been studied in the X-band (8.2–12.4 GHz) frequency region. An increase in the conductivity from ~ 1.47 × 10
−14
S/cm for pure PVDF to 23.2 S/cm for 80 wt.% charcoal‐loaded PVDF composite is obtained with improved mechanical strength. High effective dielectric constant
(
∈
′
)
value of 116.06 and dielectric loss
(
∈
″
)
of 233.59 are obtained at a frequency of 8.2 GHz. A high value of total shielding (SE
T
), shielding due to absorption (SE
A
) and shielding due to reflection (SE
R
) are measured to be 70.1 dB, 59.3 dB and 9.2 dB, respectively, for 80 wt.% charcoal‐incorporated PVDF polymer composite, respectively. Dispersion studies suggest that SE
T
of the charcoal‐loaded PVDF polymer composite is independent of frequency and is mainly absorption dominant which makes it a suitable material for EMI shielding applications.</abstract><cop>Berlin/Heidelberg</cop><pub>Springer Berlin Heidelberg</pub><doi>10.1007/s13369-019-04054-8</doi><tpages>10</tpages></addata></record> |
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| subjects | Absorption Charcoal Dielectric loss Dielectric properties Dielectric strength Electrical resistivity Electromagnetic shielding Engineering Hot pressing Humanities and Social Sciences multidisciplinary Polymer matrix composites Polymers Polyvinylidene fluorides Product design Research Article - Physics Science Superhigh frequencies |
| title | Carbonized Charcoal‐Loaded PVDF Polymer Composite: A Promising EMI Shielding Material |
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