Structure and crystallization behaviour of poly(ε-caprolactone)/clay intercalated nanocomposites
Nanocomposites of poly(∊-caprolactone)/M-HTAB were obtained by polymerization of caprolactone with various amounts (10, 30, 50 and 64 weight ratio) of montmorillonite organophilized with hexadecyltrimethylammonium bromide (HTAB). The microstructure of nanocomposites was studied by small angle X-ray...
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| Veröffentlicht in: | Polymers & polymer composites 2004-01, Vol.12 (8), p.727-737 |
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| creator | KIERSNOWSKI, Adam KOZAK, Maciej JURGA, Stefan PIGŁOWSKI, Jacek |
| description | Nanocomposites of poly(∊-caprolactone)/M-HTAB were obtained by polymerization of caprolactone with various amounts (10, 30, 50 and 64 weight ratio) of montmorillonite organophilized with hexadecyltrimethylammonium bromide (HTAB).
The microstructure of nanocomposites was studied by small angle X-ray scattering (SAXS). Additionally, the melting enthalpies (ΔH m ), the crystallinities and the half-time of isothermal crystallization were evaluated by differential scanning calorimetry (DSC).
As a result of SAXS experiments for the composite PCL/M-HTAB 90/10, in the temperature range from 313 to 283 K, a rapid change in the interlamellar distance from 3.1 nm to 2.72 nm was observed. Similar scattering curves were obtained for the nanocomposite PCL/M-HTAB 70/30. In the composites containing 50% and 64% wt of M-HTAB, the decrease in interlayer distance was less pronounced in the same temperature range (d 001 3.15 – 3.2 nm).
DSC results clearly showed that the crystallization is divided into two separate processes: primary crystallization in the PCL matrix, and secondary crystallization. |
| doi_str_mv | 10.1177/096739110401200809 |
| format | Article |
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The microstructure of nanocomposites was studied by small angle X-ray scattering (SAXS). Additionally, the melting enthalpies (ΔH m ), the crystallinities and the half-time of isothermal crystallization were evaluated by differential scanning calorimetry (DSC).
As a result of SAXS experiments for the composite PCL/M-HTAB 90/10, in the temperature range from 313 to 283 K, a rapid change in the interlamellar distance from 3.1 nm to 2.72 nm was observed. Similar scattering curves were obtained for the nanocomposite PCL/M-HTAB 70/30. In the composites containing 50% and 64% wt of M-HTAB, the decrease in interlayer distance was less pronounced in the same temperature range (d 001 3.15 – 3.2 nm).
DSC results clearly showed that the crystallization is divided into two separate processes: primary crystallization in the PCL matrix, and secondary crystallization.</description><identifier>ISSN: 0967-3911</identifier><identifier>EISSN: 1478-2391</identifier><identifier>DOI: 10.1177/096739110401200809</identifier><language>eng</language><publisher>Shrewsbury: Rapra Technology</publisher><subject>Applied sciences ; Composites ; Exact sciences and technology ; Forms of application and semi-finished materials ; Polymer industry, paints, wood ; Technology of polymers</subject><ispartof>Polymers & polymer composites, 2004-01, Vol.12 (8), p.727-737</ispartof><rights>2005 INIST-CNRS</rights><rights>Copyright Rapra Technology Limited 2004</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c335t-a04dfd40aaa19482ffa113b29662b1b04bd3adf23d20bcd9e7547ad427d512263</citedby><cites>FETCH-LOGICAL-c335t-a04dfd40aaa19482ffa113b29662b1b04bd3adf23d20bcd9e7547ad427d512263</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,781,785,27926,27927</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=16411527$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>KIERSNOWSKI, Adam</creatorcontrib><creatorcontrib>KOZAK, Maciej</creatorcontrib><creatorcontrib>JURGA, Stefan</creatorcontrib><creatorcontrib>PIGŁOWSKI, Jacek</creatorcontrib><title>Structure and crystallization behaviour of poly(ε-caprolactone)/clay intercalated nanocomposites</title><title>Polymers & polymer composites</title><description>Nanocomposites of poly(∊-caprolactone)/M-HTAB were obtained by polymerization of caprolactone with various amounts (10, 30, 50 and 64 weight ratio) of montmorillonite organophilized with hexadecyltrimethylammonium bromide (HTAB).
The microstructure of nanocomposites was studied by small angle X-ray scattering (SAXS). Additionally, the melting enthalpies (ΔH m ), the crystallinities and the half-time of isothermal crystallization were evaluated by differential scanning calorimetry (DSC).
As a result of SAXS experiments for the composite PCL/M-HTAB 90/10, in the temperature range from 313 to 283 K, a rapid change in the interlamellar distance from 3.1 nm to 2.72 nm was observed. Similar scattering curves were obtained for the nanocomposite PCL/M-HTAB 70/30. In the composites containing 50% and 64% wt of M-HTAB, the decrease in interlayer distance was less pronounced in the same temperature range (d 001 3.15 – 3.2 nm).
DSC results clearly showed that the crystallization is divided into two separate processes: primary crystallization in the PCL matrix, and secondary crystallization.</description><subject>Applied sciences</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>Technology of polymers</subject><issn>0967-3911</issn><issn>1478-2391</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><sourceid>8G5</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNplkM1KxDAUhYMoOI6-gKsiKLqok5umTbuUwT8YcKGuy22SYodMMiapUN_L1_CZ7DADgq4uHL5zOPcQcgr0GkCIGa0KkVUAlFNglJa02iMT4KJM2Sjvk8kGSDfEITkKYUkpg6LIJwSfo-9l7L1O0KpE-iFENKb7xNg5mzT6DT861_vEtcnameHy-yuVuPbOoIzO6quZNDgknY3aSzQYtUosWifdau1CF3U4JgctmqBPdndKXu9uX-YP6eLp_nF-s0hlluUxRcpVqzhFRKh4ydoWAbKGVUXBGmgob1SGqmWZYrSRqtIi5wIVZ0LlwFiRTcnFNncs997rEOtVF6Q2Bq12fahZCbSiwEfw7A-4HB-0Y7caKsF5mYMYIbaFpHcheN3Wa9-t0A810Hozef1_8tF0vkvGMI7RerSyC7_OggPkTGQ_ClmCsA</recordid><startdate>20040101</startdate><enddate>20040101</enddate><creator>KIERSNOWSKI, Adam</creator><creator>KOZAK, Maciej</creator><creator>JURGA, Stefan</creator><creator>PIGŁOWSKI, Jacek</creator><general>Rapra Technology</general><general>Sage Publications Ltd</general><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7SR</scope><scope>7XB</scope><scope>88I</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>8FK</scope><scope>8G5</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>EHMNL</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>M2O</scope><scope>M2P</scope><scope>MBDVC</scope><scope>PDBOC</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>Q9U</scope></search><sort><creationdate>20040101</creationdate><title>Structure and crystallization behaviour of poly(ε-caprolactone)/clay intercalated nanocomposites</title><author>KIERSNOWSKI, Adam ; 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The microstructure of nanocomposites was studied by small angle X-ray scattering (SAXS). Additionally, the melting enthalpies (ΔH m ), the crystallinities and the half-time of isothermal crystallization were evaluated by differential scanning calorimetry (DSC).
As a result of SAXS experiments for the composite PCL/M-HTAB 90/10, in the temperature range from 313 to 283 K, a rapid change in the interlamellar distance from 3.1 nm to 2.72 nm was observed. Similar scattering curves were obtained for the nanocomposite PCL/M-HTAB 70/30. In the composites containing 50% and 64% wt of M-HTAB, the decrease in interlayer distance was less pronounced in the same temperature range (d 001 3.15 – 3.2 nm).
DSC results clearly showed that the crystallization is divided into two separate processes: primary crystallization in the PCL matrix, and secondary crystallization.</abstract><cop>Shrewsbury</cop><pub>Rapra Technology</pub><doi>10.1177/096739110401200809</doi><tpages>11</tpages></addata></record> |
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| source | Sage Journals GOLD Open Access 2024; EZB-FREE-00999 freely available EZB journals |
| subjects | Applied sciences Composites Exact sciences and technology Forms of application and semi-finished materials Polymer industry, paints, wood Technology of polymers |
| title | Structure and crystallization behaviour of poly(ε-caprolactone)/clay intercalated nanocomposites |
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