Calculating barrier properties of polymer/clay nanocomposites: Effects of clay layers
We analyzed the effects of clay layers on the barrier properties of polymer/clay nanocomposites containing impermeable and oriented clay layers. Using the relative permeability theory in combination with the detour theory, we obtained new relative permeability expressions that allow us to investigat...
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| Veröffentlicht in: | Polymer (Guilford) 2006-04, Vol.47 (8), p.2904-2910 |
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| container_title | Polymer (Guilford) |
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| creator | Xu, Bo Zheng, Qiang Song, Yihu Shangguan, Yonggang |
| description | We analyzed the effects of clay layers on the barrier properties of polymer/clay nanocomposites containing impermeable and oriented clay layers. Using the relative permeability theory in combination with the detour theory, we obtained new relative permeability expressions that allow us to investigate the relative permeability
R
p as a function of lateral separation
b, layer thickness
w, gallery height
H, layer length
L, and layer volume fraction Φ
s. It was found that intercalated and/or incomplete exfoliated structures and dispersed tactoids with several layers can effectively enhance the barrier properties of the materials. Furthermore, we developed the chain-segment immobility factor to briefly discuss the chain confinement from clay layers. The results showed that the chain confinement enhanced the barrier properties of the intercalated nanocomposites. Our model is better consistent with the experiments when Φ
s>0.01. The findings provide guidelines for tailoring clay layer length, volume fraction and dispersion for fabricating polymer–clay nanocomposite with the unique barrier properties. |
| doi_str_mv | 10.1016/j.polymer.2006.02.069 |
| format | Article |
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R
p as a function of lateral separation
b, layer thickness
w, gallery height
H, layer length
L, and layer volume fraction Φ
s. It was found that intercalated and/or incomplete exfoliated structures and dispersed tactoids with several layers can effectively enhance the barrier properties of the materials. Furthermore, we developed the chain-segment immobility factor to briefly discuss the chain confinement from clay layers. The results showed that the chain confinement enhanced the barrier properties of the intercalated nanocomposites. Our model is better consistent with the experiments when Φ
s>0.01. The findings provide guidelines for tailoring clay layer length, volume fraction and dispersion for fabricating polymer–clay nanocomposite with the unique barrier properties.</description><identifier>ISSN: 0032-3861</identifier><identifier>EISSN: 1873-2291</identifier><identifier>DOI: 10.1016/j.polymer.2006.02.069</identifier><identifier>CODEN: POLMAG</identifier><language>eng</language><publisher>Oxford: Elsevier Ltd</publisher><subject>Applied sciences ; Barrier properties ; Composites ; Exact sciences and technology ; Forms of application and semi-finished materials ; Polymer industry, paints, wood ; Polymer/clay nanocomposites ; Technology of polymers</subject><ispartof>Polymer (Guilford), 2006-04, Vol.47 (8), p.2904-2910</ispartof><rights>2006 Elsevier Ltd</rights><rights>2006 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c436t-a4258f1f778c6fb610ac8306f271f6ae80bc66caa3a5d1bf6a07579f7e2edb753</citedby><cites>FETCH-LOGICAL-c436t-a4258f1f778c6fb610ac8306f271f6ae80bc66caa3a5d1bf6a07579f7e2edb753</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.polymer.2006.02.069$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=17642047$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Xu, Bo</creatorcontrib><creatorcontrib>Zheng, Qiang</creatorcontrib><creatorcontrib>Song, Yihu</creatorcontrib><creatorcontrib>Shangguan, Yonggang</creatorcontrib><title>Calculating barrier properties of polymer/clay nanocomposites: Effects of clay layers</title><title>Polymer (Guilford)</title><description>We analyzed the effects of clay layers on the barrier properties of polymer/clay nanocomposites containing impermeable and oriented clay layers. Using the relative permeability theory in combination with the detour theory, we obtained new relative permeability expressions that allow us to investigate the relative permeability
R
p as a function of lateral separation
b, layer thickness
w, gallery height
H, layer length
L, and layer volume fraction Φ
s. It was found that intercalated and/or incomplete exfoliated structures and dispersed tactoids with several layers can effectively enhance the barrier properties of the materials. Furthermore, we developed the chain-segment immobility factor to briefly discuss the chain confinement from clay layers. The results showed that the chain confinement enhanced the barrier properties of the intercalated nanocomposites. Our model is better consistent with the experiments when Φ
s>0.01. The findings provide guidelines for tailoring clay layer length, volume fraction and dispersion for fabricating polymer–clay nanocomposite with the unique barrier properties.</description><subject>Applied sciences</subject><subject>Barrier properties</subject><subject>Composites</subject><subject>Exact sciences and technology</subject><subject>Forms of application and semi-finished materials</subject><subject>Polymer industry, paints, wood</subject><subject>Polymer/clay nanocomposites</subject><subject>Technology of polymers</subject><issn>0032-3861</issn><issn>1873-2291</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><recordid>eNqFkMtKxDAUhoMoOF4eQehGd60naZt03IgM4wUEN7oOp5kTydBpatIR5u2NMwWXLkIg-c7l_xi74lBw4PJ2XQy-220oFAJAFiAKkPMjNuONKnMh5vyYzQBKkZeN5KfsLMY1AIhaVDP2scDObDscXf-ZtRiCo5ANwQ8URkcx8zabmt-aDndZj703fjP46EaKd9nSWjLjntv_p0MhXrATi12ky-k-Zx-Py_fFc_769vSyeHjNTVXKMcdK1I3lVqnGSNtKDmiaEqQViluJ1EBrpDSIJdYr3qYnULWaW0WCVq2qy3N2c-ibNv7aUhz1xkVDXYc9-W3UKTsoBVUC6wNogo8xkNVDcBsMO81B_0rUaz3l1L8SNQidJKa662kARoOdDdgbF_-KlawEVCpx9weOUtrv5FBH46g3tHIh-dEr7_6Z9AOgh4yf</recordid><startdate>20060405</startdate><enddate>20060405</enddate><creator>Xu, Bo</creator><creator>Zheng, Qiang</creator><creator>Song, Yihu</creator><creator>Shangguan, Yonggang</creator><general>Elsevier Ltd</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>F28</scope><scope>FR3</scope><scope>JG9</scope></search><sort><creationdate>20060405</creationdate><title>Calculating barrier properties of polymer/clay nanocomposites: Effects of clay layers</title><author>Xu, Bo ; Zheng, Qiang ; Song, Yihu ; Shangguan, Yonggang</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c436t-a4258f1f778c6fb610ac8306f271f6ae80bc66caa3a5d1bf6a07579f7e2edb753</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>Applied sciences</topic><topic>Barrier properties</topic><topic>Composites</topic><topic>Exact sciences and technology</topic><topic>Forms of application and semi-finished materials</topic><topic>Polymer industry, paints, wood</topic><topic>Polymer/clay nanocomposites</topic><topic>Technology of polymers</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Xu, Bo</creatorcontrib><creatorcontrib>Zheng, Qiang</creatorcontrib><creatorcontrib>Song, Yihu</creatorcontrib><creatorcontrib>Shangguan, Yonggang</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>ANTE: Abstracts in New Technology & Engineering</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><jtitle>Polymer (Guilford)</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Xu, Bo</au><au>Zheng, Qiang</au><au>Song, Yihu</au><au>Shangguan, Yonggang</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Calculating barrier properties of polymer/clay nanocomposites: Effects of clay layers</atitle><jtitle>Polymer (Guilford)</jtitle><date>2006-04-05</date><risdate>2006</risdate><volume>47</volume><issue>8</issue><spage>2904</spage><epage>2910</epage><pages>2904-2910</pages><issn>0032-3861</issn><eissn>1873-2291</eissn><coden>POLMAG</coden><abstract>We analyzed the effects of clay layers on the barrier properties of polymer/clay nanocomposites containing impermeable and oriented clay layers. Using the relative permeability theory in combination with the detour theory, we obtained new relative permeability expressions that allow us to investigate the relative permeability
R
p as a function of lateral separation
b, layer thickness
w, gallery height
H, layer length
L, and layer volume fraction Φ
s. It was found that intercalated and/or incomplete exfoliated structures and dispersed tactoids with several layers can effectively enhance the barrier properties of the materials. Furthermore, we developed the chain-segment immobility factor to briefly discuss the chain confinement from clay layers. The results showed that the chain confinement enhanced the barrier properties of the intercalated nanocomposites. Our model is better consistent with the experiments when Φ
s>0.01. The findings provide guidelines for tailoring clay layer length, volume fraction and dispersion for fabricating polymer–clay nanocomposite with the unique barrier properties.</abstract><cop>Oxford</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.polymer.2006.02.069</doi><tpages>7</tpages></addata></record> |
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| source | Elsevier ScienceDirect Journals Complete |
| subjects | Applied sciences Barrier properties Composites Exact sciences and technology Forms of application and semi-finished materials Polymer industry, paints, wood Polymer/clay nanocomposites Technology of polymers |
| title | Calculating barrier properties of polymer/clay nanocomposites: Effects of clay layers |
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