Water Vapor Permeability of Poly(L-lactide)/Poly(D-lactide) Stereocomplexes
PLLA/PDLA blend films with only stereocomplex crystallites as a crystalline species together with pure PLLA and PDLA films with only homo‐crystallites as a crystalline species were prepared, and the effects of enantiomeric polymer blending, crystalline species, and crystallinity on the water vapor p...
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| Veröffentlicht in: | Macromolecular materials and engineering 2010-08, Vol.295 (8), p.709-715 |
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| container_title | Macromolecular materials and engineering |
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| creator | Tsuji, Hideto Tsuruno, Tomonori |
| description | PLLA/PDLA blend films with only stereocomplex crystallites as a crystalline species together with pure PLLA and PDLA films with only homo‐crystallites as a crystalline species were prepared, and the effects of enantiomeric polymer blending, crystalline species, and crystallinity on the water vapor permeability were investigated. The WVT coefficient P of PLLA/PDLA blend films was 14–23% lower than that of pure PLLA and PDLA films in the crystallinity Xc range of 0–30%. Amorphous PLLA/PDLA blend films have a much lower P than pure PLLA and PDLA films. The dependence of P on Xc for blend films was stronger for Xc = 0–30% than for Xc = 30–100%. This dependence is discussed using the Nielsen model and the concept of “restricted” (or “restrained”) and “free” amorphous regions.
The water vapor permeability of PLLA or PDLA could be effectively reduced (by 14–23%) by equimolar polymer blending of PLLA and PDLA. Interestingly, the higher barrier property of PLLA/PDLA blends was observed even when they were amorphous. The effect of stereocomplex crystallinity of PLLA/PDLA blends on the WVP was investigated in detail, together with that of homo‐crystallinity of pure PLLA and PDLA. |
| doi_str_mv | 10.1002/mame.201000071 |
| format | Article |
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The water vapor permeability of PLLA or PDLA could be effectively reduced (by 14–23%) by equimolar polymer blending of PLLA and PDLA. Interestingly, the higher barrier property of PLLA/PDLA blends was observed even when they were amorphous. The effect of stereocomplex crystallinity of PLLA/PDLA blends on the WVP was investigated in detail, together with that of homo‐crystallinity of pure PLLA and PDLA.</description><identifier>ISSN: 1438-7492</identifier><identifier>ISSN: 1439-2054</identifier><identifier>EISSN: 1439-2054</identifier><identifier>DOI: 10.1002/mame.201000071</identifier><language>eng</language><publisher>Weinheim: WILEY-VCH Verlag</publisher><subject>Applied sciences ; biodegradable polyesters ; Blending ; Blends ; Crystal structure ; Crystallinity ; Crystallites ; crystallization ; Exact sciences and technology ; Miscellaneous ; Organic polymers ; Permeability ; Physicochemistry of polymers ; poly(lactic acid)s ; Properties and characterization ; Stereocomplexes ; Water vapor ; water vapor permeation</subject><ispartof>Macromolecular materials and engineering, 2010-08, Vol.295 (8), p.709-715</ispartof><rights>Copyright © 2010 WILEY‐VCH Verlag GmbH & Co. KGaA, Weinheim</rights><rights>2015 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c4551-2be1dd01270aecb8038d7f3892f5cfcc8f1ad62d2f442e7cc287f083f017976b3</citedby><cites>FETCH-LOGICAL-c4551-2be1dd01270aecb8038d7f3892f5cfcc8f1ad62d2f442e7cc287f083f017976b3</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%2Fmame.201000071$$EPDF$$P50$$Gwiley$$H</linktopdf><linktohtml>$$Uhttps://onlinelibrary.wiley.com/doi/full/10.1002%2Fmame.201000071$$EHTML$$P50$$Gwiley$$H</linktohtml><link.rule.ids>314,780,784,1417,27924,27925,45574,45575</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=23091035$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Tsuji, Hideto</creatorcontrib><creatorcontrib>Tsuruno, Tomonori</creatorcontrib><title>Water Vapor Permeability of Poly(L-lactide)/Poly(D-lactide) Stereocomplexes</title><title>Macromolecular materials and engineering</title><addtitle>Macromol. Mater. Eng</addtitle><description>PLLA/PDLA blend films with only stereocomplex crystallites as a crystalline species together with pure PLLA and PDLA films with only homo‐crystallites as a crystalline species were prepared, and the effects of enantiomeric polymer blending, crystalline species, and crystallinity on the water vapor permeability were investigated. The WVT coefficient P of PLLA/PDLA blend films was 14–23% lower than that of pure PLLA and PDLA films in the crystallinity Xc range of 0–30%. Amorphous PLLA/PDLA blend films have a much lower P than pure PLLA and PDLA films. The dependence of P on Xc for blend films was stronger for Xc = 0–30% than for Xc = 30–100%. This dependence is discussed using the Nielsen model and the concept of “restricted” (or “restrained”) and “free” amorphous regions.
The water vapor permeability of PLLA or PDLA could be effectively reduced (by 14–23%) by equimolar polymer blending of PLLA and PDLA. Interestingly, the higher barrier property of PLLA/PDLA blends was observed even when they were amorphous. The effect of stereocomplex crystallinity of PLLA/PDLA blends on the WVP was investigated in detail, together with that of homo‐crystallinity of pure PLLA and PDLA.</description><subject>Applied sciences</subject><subject>biodegradable polyesters</subject><subject>Blending</subject><subject>Blends</subject><subject>Crystal structure</subject><subject>Crystallinity</subject><subject>Crystallites</subject><subject>crystallization</subject><subject>Exact sciences and technology</subject><subject>Miscellaneous</subject><subject>Organic polymers</subject><subject>Permeability</subject><subject>Physicochemistry of polymers</subject><subject>poly(lactic acid)s</subject><subject>Properties and characterization</subject><subject>Stereocomplexes</subject><subject>Water vapor</subject><subject>water vapor permeation</subject><issn>1438-7492</issn><issn>1439-2054</issn><issn>1439-2054</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2010</creationdate><recordtype>article</recordtype><recordid>eNqFkL1PwzAQxSMEElBYmbMgYEg520kcj6gtBVGgEh9lsxznLAWcJtipaP97QosqNqZ7J73fu9MLghMCfQJALytVYZ9CpwE42QkOSMxERCGJd9c6i3gs6H5w6P07AOGZYAfB3Uy16MJX1dQunKKrUOWlLdtVWJtwWtvV-SSySrdlgReX63243cOnDsVa11VjcYn-KNgzyno8_p294OV69Dy4iSaP49vB1STScZKQiOZIigII5aBQ5xmwrOCGZYKaRButM0NUkdKCmjimyLWmGTeQMdP9LHias15wtsltXP25QN_KqvQarVVzrBdeCiBpwlIed87-xqld7b1DIxtXVsqtJAH5U5r8KU1uS-uA099o5bWyxqm5Lv2WogwEAZZ0PrHxfZUWV_-kyvur-9HfG9GGLX2Lyy2r3IdMOeOJnD2MpXh7E8OET-UD-wYEeIwC</recordid><startdate>20100811</startdate><enddate>20100811</enddate><creator>Tsuji, Hideto</creator><creator>Tsuruno, Tomonori</creator><general>WILEY-VCH Verlag</general><general>WILEY‐VCH Verlag</general><general>Wiley</general><scope>BSCLL</scope><scope>IQODW</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8BQ</scope><scope>8FD</scope><scope>JG9</scope></search><sort><creationdate>20100811</creationdate><title>Water Vapor Permeability of Poly(L-lactide)/Poly(D-lactide) Stereocomplexes</title><author>Tsuji, Hideto ; Tsuruno, Tomonori</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c4551-2be1dd01270aecb8038d7f3892f5cfcc8f1ad62d2f442e7cc287f083f017976b3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2010</creationdate><topic>Applied sciences</topic><topic>biodegradable polyesters</topic><topic>Blending</topic><topic>Blends</topic><topic>Crystal structure</topic><topic>Crystallinity</topic><topic>Crystallites</topic><topic>crystallization</topic><topic>Exact sciences and technology</topic><topic>Miscellaneous</topic><topic>Organic polymers</topic><topic>Permeability</topic><topic>Physicochemistry of polymers</topic><topic>poly(lactic acid)s</topic><topic>Properties and characterization</topic><topic>Stereocomplexes</topic><topic>Water vapor</topic><topic>water vapor permeation</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tsuji, Hideto</creatorcontrib><creatorcontrib>Tsuruno, Tomonori</creatorcontrib><collection>Istex</collection><collection>Pascal-Francis</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Materials Research Database</collection><jtitle>Macromolecular materials and engineering</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tsuji, Hideto</au><au>Tsuruno, Tomonori</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Water Vapor Permeability of Poly(L-lactide)/Poly(D-lactide) Stereocomplexes</atitle><jtitle>Macromolecular materials and engineering</jtitle><addtitle>Macromol. Mater. Eng</addtitle><date>2010-08-11</date><risdate>2010</risdate><volume>295</volume><issue>8</issue><spage>709</spage><epage>715</epage><pages>709-715</pages><issn>1438-7492</issn><issn>1439-2054</issn><eissn>1439-2054</eissn><abstract>PLLA/PDLA blend films with only stereocomplex crystallites as a crystalline species together with pure PLLA and PDLA films with only homo‐crystallites as a crystalline species were prepared, and the effects of enantiomeric polymer blending, crystalline species, and crystallinity on the water vapor permeability were investigated. The WVT coefficient P of PLLA/PDLA blend films was 14–23% lower than that of pure PLLA and PDLA films in the crystallinity Xc range of 0–30%. Amorphous PLLA/PDLA blend films have a much lower P than pure PLLA and PDLA films. The dependence of P on Xc for blend films was stronger for Xc = 0–30% than for Xc = 30–100%. This dependence is discussed using the Nielsen model and the concept of “restricted” (or “restrained”) and “free” amorphous regions.
The water vapor permeability of PLLA or PDLA could be effectively reduced (by 14–23%) by equimolar polymer blending of PLLA and PDLA. Interestingly, the higher barrier property of PLLA/PDLA blends was observed even when they were amorphous. The effect of stereocomplex crystallinity of PLLA/PDLA blends on the WVP was investigated in detail, together with that of homo‐crystallinity of pure PLLA and PDLA.</abstract><cop>Weinheim</cop><pub>WILEY-VCH Verlag</pub><doi>10.1002/mame.201000071</doi><tpages>7</tpages></addata></record> |
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| ispartof | Macromolecular materials and engineering, 2010-08, Vol.295 (8), p.709-715 |
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| source | Wiley Online Library Journals Frontfile Complete |
| subjects | Applied sciences biodegradable polyesters Blending Blends Crystal structure Crystallinity Crystallites crystallization Exact sciences and technology Miscellaneous Organic polymers Permeability Physicochemistry of polymers poly(lactic acid)s Properties and characterization Stereocomplexes Water vapor water vapor permeation |
| title | Water Vapor Permeability of Poly(L-lactide)/Poly(D-lactide) Stereocomplexes |
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