Structural Changes in Drawn Poly(L-lactide)/Clay Hybrid Films
The films composed of poly(L‐lactide)(PLLA)/organoclay hybrids (PLACHs) have been prepared via a melt‐compounding process, in which the organoclay paticles are uniformly dispersed in the PLLA matrix. The changes in PLLA crystal orientation for the uniaxially drawn films were studied by differential...
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| Veröffentlicht in: | Macromolecular symposia 2006-06, Vol.239 (1), p.97-100 |
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| creator | Ninomiya, Naoya Fujimori, Atsuhiro Masuko, Toru |
| description | The films composed of poly(L‐lactide)(PLLA)/organoclay hybrids (PLACHs) have been prepared via a melt‐compounding process, in which the organoclay paticles are uniformly dispersed in the PLLA matrix. The changes in PLLA crystal orientation for the uniaxially drawn films were studied by differential scanning calorimetry, X‐ray diffractometry and transmission electron microscopy. Additionally, temperature dependence of the mechanical properties for these drawn films were examined by a dynamic viscoelastometer. After drawing the quenched PLACHs film at 90 °C, the orientation and crystallinity of PLLA crystal increased rapidly with increasing drawing ratio (λ) in the range more than 3 times. At the higher λ, the organoclay platelet particles in the PLACHs became parallel to the draw direction. The mechanical properties of drawn PLACHs were strongly dependent on both clay concentration and λ. |
| doi_str_mv | 10.1002/masy.200690116 |
| format | Article |
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The changes in PLLA crystal orientation for the uniaxially drawn films were studied by differential scanning calorimetry, X‐ray diffractometry and transmission electron microscopy. Additionally, temperature dependence of the mechanical properties for these drawn films were examined by a dynamic viscoelastometer. After drawing the quenched PLACHs film at 90 °C, the orientation and crystallinity of PLLA crystal increased rapidly with increasing drawing ratio (λ) in the range more than 3 times. At the higher λ, the organoclay platelet particles in the PLACHs became parallel to the draw direction. 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KGaA, Weinheim</rights><rights>2006 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4566-c54da029ef2d1ad0103293ba7486b8a85f2ff177793663eb072cb96bda5cdc4e3</citedby><cites>FETCH-LOGICAL-c4566-c54da029ef2d1ad0103293ba7486b8a85f2ff177793663eb072cb96bda5cdc4e3</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://onlinelibrary.wiley.com/doi/pdf/10.1002%2Fmasy.200690116$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fmasy.200690116$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>310,311,315,781,785,790,791,1418,23935,23936,25145,27929,27930,45579,45580</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=18280908$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Ninomiya, Naoya</creatorcontrib><creatorcontrib>Fujimori, Atsuhiro</creatorcontrib><creatorcontrib>Masuko, Toru</creatorcontrib><title>Structural Changes in Drawn Poly(L-lactide)/Clay Hybrid Films</title><title>Macromolecular symposia</title><addtitle>Macromol. Symp</addtitle><description>The films composed of poly(L‐lactide)(PLLA)/organoclay hybrids (PLACHs) have been prepared via a melt‐compounding process, in which the organoclay paticles are uniformly dispersed in the PLLA matrix. The changes in PLLA crystal orientation for the uniaxially drawn films were studied by differential scanning calorimetry, X‐ray diffractometry and transmission electron microscopy. Additionally, temperature dependence of the mechanical properties for these drawn films were examined by a dynamic viscoelastometer. After drawing the quenched PLACHs film at 90 °C, the orientation and crystallinity of PLLA crystal increased rapidly with increasing drawing ratio (λ) in the range more than 3 times. At the higher λ, the organoclay platelet particles in the PLACHs became parallel to the draw direction. The mechanical properties of drawn PLACHs were strongly dependent on both clay concentration and λ.</description><subject>Applied sciences</subject><subject>Clay (material)</subject><subject>Composites</subject><subject>Crystal structure</subject><subject>Crystallinity</subject><subject>Differential scanning calorimetry</subject><subject>Diffraction</subject><subject>Exact sciences and technology</subject><subject>Forms of application and semi-finished materials</subject><subject>Mechanical properties</subject><subject>morphology</subject><subject>organo-modified clay</subject><subject>PLLA</subject><subject>Polymer industry, paints, wood</subject><subject>Quenching (cooling)</subject><subject>Technology of polymers</subject><issn>1022-1360</issn><issn>1521-3900</issn><isbn>3527317457</isbn><isbn>9783527317455</isbn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2006</creationdate><recordtype>article</recordtype><recordid>eNqFkE1PGzEURa3SSkDolvVskGAxyfPH2OMFCxQaqJTQikARK-uNx9ManAm1J0rn3zdREO2O1Vvcc-6TLiHHFIYUgI0WmPohA5AaKJUfyAEtGM25Btgjh7xgilMlCvVxEwBjOeUS9slhSk8AoLWiB-R83sWV7VYRQzb-he1PlzLfZpcR1232fRn602ke0Ha-dmejccA-u-6r6Ots4sMiHZFPDYbkPr_eAbmffLkbX-fTb1dfxxfT3IpCytwWokZg2jWsplgDBc40r1CJUlYllkXDmoYqpTSXkrsKFLOVllWNha2tcHxATne9L3H5e-VSZxY-WRcCtm65SoYyKZVgQsAGHe5QG5cpRdeYl-gXGHtDwWxHM9vRzNtoG-HktRuTxdBEbK1P_6ySlaCh3HB6x619cP07rWZ2MX_8_0e-c33q3J83F-OzkYqrwjzcXJmZFrc3P_TECP4XK1aJPw</recordid><startdate>200606</startdate><enddate>200606</enddate><creator>Ninomiya, Naoya</creator><creator>Fujimori, Atsuhiro</creator><creator>Masuko, Toru</creator><general>WILEY-VCH Verlag</general><general>WILEY‐VCH Verlag</general><general>Wiley-VCH</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>200606</creationdate><title>Structural Changes in Drawn Poly(L-lactide)/Clay Hybrid Films</title><author>Ninomiya, Naoya ; Fujimori, Atsuhiro ; Masuko, Toru</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4566-c54da029ef2d1ad0103293ba7486b8a85f2ff177793663eb072cb96bda5cdc4e3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2006</creationdate><topic>Applied sciences</topic><topic>Clay (material)</topic><topic>Composites</topic><topic>Crystal structure</topic><topic>Crystallinity</topic><topic>Differential scanning calorimetry</topic><topic>Diffraction</topic><topic>Exact sciences and technology</topic><topic>Forms of application and semi-finished materials</topic><topic>Mechanical properties</topic><topic>morphology</topic><topic>organo-modified clay</topic><topic>PLLA</topic><topic>Polymer industry, paints, wood</topic><topic>Quenching (cooling)</topic><topic>Technology of polymers</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Ninomiya, Naoya</creatorcontrib><creatorcontrib>Fujimori, Atsuhiro</creatorcontrib><creatorcontrib>Masuko, Toru</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Macromolecular symposia</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Ninomiya, Naoya</au><au>Fujimori, Atsuhiro</au><au>Masuko, Toru</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Structural Changes in Drawn Poly(L-lactide)/Clay Hybrid Films</atitle><jtitle>Macromolecular symposia</jtitle><addtitle>Macromol. Symp</addtitle><date>2006-06</date><risdate>2006</risdate><volume>239</volume><issue>1</issue><spage>97</spage><epage>100</epage><pages>97-100</pages><issn>1022-1360</issn><eissn>1521-3900</eissn><isbn>3527317457</isbn><isbn>9783527317455</isbn><abstract>The films composed of poly(L‐lactide)(PLLA)/organoclay hybrids (PLACHs) have been prepared via a melt‐compounding process, in which the organoclay paticles are uniformly dispersed in the PLLA matrix. The changes in PLLA crystal orientation for the uniaxially drawn films were studied by differential scanning calorimetry, X‐ray diffractometry and transmission electron microscopy. Additionally, temperature dependence of the mechanical properties for these drawn films were examined by a dynamic viscoelastometer. After drawing the quenched PLACHs film at 90 °C, the orientation and crystallinity of PLLA crystal increased rapidly with increasing drawing ratio (λ) in the range more than 3 times. At the higher λ, the organoclay platelet particles in the PLACHs became parallel to the draw direction. The mechanical properties of drawn PLACHs were strongly dependent on both clay concentration and λ.</abstract><cop>Weinheim</cop><pub>WILEY-VCH Verlag</pub><doi>10.1002/masy.200690116</doi><tpages>4</tpages></addata></record> |
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| subjects | Applied sciences Clay (material) Composites Crystal structure Crystallinity Differential scanning calorimetry Diffraction Exact sciences and technology Forms of application and semi-finished materials Mechanical properties morphology organo-modified clay PLLA Polymer industry, paints, wood Quenching (cooling) Technology of polymers |
| title | Structural Changes in Drawn Poly(L-lactide)/Clay Hybrid Films |
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