Organic modification of montmorillonite with low molecular weight polyethylene glycols and its use in polyurethane nanocomposite foams
This paper deals with the preparation of organoclays by intercalating poly(ethylene glycol) molecules (PEG) between Na montmorillonite (Na-MMT) layers in a clay-water suspension system. X-ray diffraction (XRD) results of organoclays revealed that galleries of MMT were expanded after their intercalat...
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| Veröffentlicht in: | Thermochimica acta 2010-10, Vol.510 (1), p.113-121 |
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| creator | Sarier, Nihal Onder, Emel |
| description | This paper deals with the preparation of organoclays by intercalating poly(ethylene glycol) molecules (PEG) between Na montmorillonite (Na-MMT) layers in a clay-water suspension system. X-ray diffraction (XRD) results of organoclays revealed that galleries of MMT were expanded after their intercalation with three different low molecular weight PEGs, including PEG600, PEG1000 and PEG1500. Thus, the distance of the interlayer spacing of MMT,
d
=
1.38
nm, was increased to
d
=
1.72, 1.75 and 1.69
nm, respectively, in the organoclay samples. The results of Fourier transform infrared spectroscopic (FTIR), thermogravimetric (TG) and scanning electron microscopic (SEM) analyses supported the findings of XRD and implied that the clay mineral mainly lost its hydrophilic character and gained organophilic features. The organoclay samples also presented improved thermal stabilities. In addition, polyurethane rigid nanocomposite foams composed of 2% organoclays were synthesized, and the effects of the organoclays on the thermal and mechanical performance of the nanocomposite foams were investigated. |
| doi_str_mv | 10.1016/j.tca.2010.07.004 |
| format | Article |
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d
=
1.38
nm, was increased to
d
=
1.72, 1.75 and 1.69
nm, respectively, in the organoclay samples. The results of Fourier transform infrared spectroscopic (FTIR), thermogravimetric (TG) and scanning electron microscopic (SEM) analyses supported the findings of XRD and implied that the clay mineral mainly lost its hydrophilic character and gained organophilic features. The organoclay samples also presented improved thermal stabilities. In addition, polyurethane rigid nanocomposite foams composed of 2% organoclays were synthesized, and the effects of the organoclays on the thermal and mechanical performance of the nanocomposite foams were investigated.</description><identifier>ISSN: 0040-6031</identifier><identifier>EISSN: 1872-762X</identifier><identifier>DOI: 10.1016/j.tca.2010.07.004</identifier><identifier>CODEN: THACAS</identifier><language>eng</language><publisher>Oxford: Elsevier B.V</publisher><subject>Applied sciences ; Cellular ; Composites ; DMA ; Exact sciences and technology ; Forms of application and semi-finished materials ; Low molecular weights ; Montmorillonite ; Nanocomposite ; Nanocomposites ; Nanomaterials ; Nanostructure ; Organoclay ; PEG ; Plastic foam ; Polymer industry, paints, wood ; Polyurethane ; Polyurethane foam ; Scanning electron microscopy ; Technology of polymers ; XRD</subject><ispartof>Thermochimica acta, 2010-10, Vol.510 (1), p.113-121</ispartof><rights>2010 Elsevier B.V.</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c359t-ca0ddc2292d21c49971811afd6dfdb66c0ac9420340f6373b50ed33471f9b083</citedby><cites>FETCH-LOGICAL-c359t-ca0ddc2292d21c49971811afd6dfdb66c0ac9420340f6373b50ed33471f9b083</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://dx.doi.org/10.1016/j.tca.2010.07.004$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=23309975$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Sarier, Nihal</creatorcontrib><creatorcontrib>Onder, Emel</creatorcontrib><title>Organic modification of montmorillonite with low molecular weight polyethylene glycols and its use in polyurethane nanocomposite foams</title><title>Thermochimica acta</title><description>This paper deals with the preparation of organoclays by intercalating poly(ethylene glycol) molecules (PEG) between Na montmorillonite (Na-MMT) layers in a clay-water suspension system. X-ray diffraction (XRD) results of organoclays revealed that galleries of MMT were expanded after their intercalation with three different low molecular weight PEGs, including PEG600, PEG1000 and PEG1500. Thus, the distance of the interlayer spacing of MMT,
d
=
1.38
nm, was increased to
d
=
1.72, 1.75 and 1.69
nm, respectively, in the organoclay samples. The results of Fourier transform infrared spectroscopic (FTIR), thermogravimetric (TG) and scanning electron microscopic (SEM) analyses supported the findings of XRD and implied that the clay mineral mainly lost its hydrophilic character and gained organophilic features. The organoclay samples also presented improved thermal stabilities. In addition, polyurethane rigid nanocomposite foams composed of 2% organoclays were synthesized, and the effects of the organoclays on the thermal and mechanical performance of the nanocomposite foams were investigated.</description><subject>Applied sciences</subject><subject>Cellular</subject><subject>Composites</subject><subject>DMA</subject><subject>Exact sciences and technology</subject><subject>Forms of application and semi-finished materials</subject><subject>Low molecular weights</subject><subject>Montmorillonite</subject><subject>Nanocomposite</subject><subject>Nanocomposites</subject><subject>Nanomaterials</subject><subject>Nanostructure</subject><subject>Organoclay</subject><subject>PEG</subject><subject>Plastic foam</subject><subject>Polymer industry, paints, wood</subject><subject>Polyurethane</subject><subject>Polyurethane foam</subject><subject>Scanning electron microscopy</subject><subject>Technology of polymers</subject><subject>XRD</subject><issn>0040-6031</issn><issn>1872-762X</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNp9kM1uWyEQhVGVSnXSPkB3bKqsrjPA9f1RVlHUpJEiZZNFdwgPYGNxwQFuLb9An7u4jrosGzTDN2cOh5CvDJYMWHezWxZUSw61hn4J0H4gCzb0vOk7_vOCLGoHmg4E-0Quc94BAOMDLMjvl7RRwSGdonbWoSouBhptrUOZYnLex-CKoQdXttTHQ33wBmevEj0Yt9kWuo_-aMr26E0wdOOPGH2mKmjqSqZzNtSFv8ycKqUqE1SIGKd9zCdhG9WUP5OPVvlsvrzfV-T14fvr_Y_m-eXx6f7uuUGxGkuDCrRGzkeuOcN2HHs2MKas7rTV665DUDi2HEQLthO9WK_AaCHantlxDYO4Itdn2X2Kb7PJRU4uo_G-2opzlkM7tkNfTyXZmcQUc07Gyn1yk0pHyUCeEpc7WROXp8Ql9LLmW2e-vaurjMrbpAK6_G-QCwHV8apyt2fO1J_-cibJjM4ENNolg0Xq6P6z5Q_jyJoF</recordid><startdate>20101020</startdate><enddate>20101020</enddate><creator>Sarier, Nihal</creator><creator>Onder, Emel</creator><general>Elsevier B.V</general><general>Elsevier</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7U5</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope><scope>L7M</scope></search><sort><creationdate>20101020</creationdate><title>Organic modification of montmorillonite with low molecular weight polyethylene glycols and its use in polyurethane nanocomposite foams</title><author>Sarier, Nihal ; Onder, Emel</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c359t-ca0ddc2292d21c49971811afd6dfdb66c0ac9420340f6373b50ed33471f9b083</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Applied sciences</topic><topic>Cellular</topic><topic>Composites</topic><topic>DMA</topic><topic>Exact sciences and technology</topic><topic>Forms of application and semi-finished materials</topic><topic>Low molecular weights</topic><topic>Montmorillonite</topic><topic>Nanocomposite</topic><topic>Nanocomposites</topic><topic>Nanomaterials</topic><topic>Nanostructure</topic><topic>Organoclay</topic><topic>PEG</topic><topic>Plastic foam</topic><topic>Polymer industry, paints, wood</topic><topic>Polyurethane</topic><topic>Polyurethane foam</topic><topic>Scanning electron microscopy</topic><topic>Technology of polymers</topic><topic>XRD</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sarier, Nihal</creatorcontrib><creatorcontrib>Onder, Emel</creatorcontrib><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><collection>Advanced Technologies Database with Aerospace</collection><jtitle>Thermochimica acta</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sarier, Nihal</au><au>Onder, Emel</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Organic modification of montmorillonite with low molecular weight polyethylene glycols and its use in polyurethane nanocomposite foams</atitle><jtitle>Thermochimica acta</jtitle><date>2010-10-20</date><risdate>2010</risdate><volume>510</volume><issue>1</issue><spage>113</spage><epage>121</epage><pages>113-121</pages><issn>0040-6031</issn><eissn>1872-762X</eissn><coden>THACAS</coden><abstract>This paper deals with the preparation of organoclays by intercalating poly(ethylene glycol) molecules (PEG) between Na montmorillonite (Na-MMT) layers in a clay-water suspension system. X-ray diffraction (XRD) results of organoclays revealed that galleries of MMT were expanded after their intercalation with three different low molecular weight PEGs, including PEG600, PEG1000 and PEG1500. Thus, the distance of the interlayer spacing of MMT,
d
=
1.38
nm, was increased to
d
=
1.72, 1.75 and 1.69
nm, respectively, in the organoclay samples. The results of Fourier transform infrared spectroscopic (FTIR), thermogravimetric (TG) and scanning electron microscopic (SEM) analyses supported the findings of XRD and implied that the clay mineral mainly lost its hydrophilic character and gained organophilic features. The organoclay samples also presented improved thermal stabilities. In addition, polyurethane rigid nanocomposite foams composed of 2% organoclays were synthesized, and the effects of the organoclays on the thermal and mechanical performance of the nanocomposite foams were investigated.</abstract><cop>Oxford</cop><pub>Elsevier B.V</pub><doi>10.1016/j.tca.2010.07.004</doi><tpages>9</tpages></addata></record> |
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| subjects | Applied sciences Cellular Composites DMA Exact sciences and technology Forms of application and semi-finished materials Low molecular weights Montmorillonite Nanocomposite Nanocomposites Nanomaterials Nanostructure Organoclay PEG Plastic foam Polymer industry, paints, wood Polyurethane Polyurethane foam Scanning electron microscopy Technology of polymers XRD |
| title | Organic modification of montmorillonite with low molecular weight polyethylene glycols and its use in polyurethane nanocomposite foams |
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