Effect of the melt-mixing condition on the physical property of poly(L-lactic acid)/poly(D-lactic acid) blends

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dc.AffiliationOctober University for modern sciences and Arts (MSA)
dc.contributor.authorEl-Khodary, Esraa
dc.contributor.authorFuku, Yoko
dc.contributor.authorYamamoto, Masaki
dc.contributor.authorYamane, Hideki
dc.date.accessioned2019-11-04T10:02:00Z
dc.date.available2019-11-04T10:02:00Z
dc.date.issued2017
dc.descriptionMSA Google Scholar
dc.description.abstractThe effect of the mixing condition in a mill-type mixer on the thermal property and the crystal formation of the poly(L-lactide)/poly(D-lactide) blends is investigated. The blends melt-mixed at 200 and 210 8C under application of a high shear flow tend to show a single melting peak of the stereocomplex crystal (SC) in the differential scanning calorimetry first and second heating processes without indicating the trace of the melting of homo-chiral crystal. The mixing at an elevated temperature causes a serious thermal degradation. Further kneading of the blends at an elevated temperature higher than Tm of SC causes the transesterification between the same enatiomeric chains forming block copolymers of L- and D-chains. This block copolymer acts as a nucleating agent of SC and the compatibilizing agent between poly(L-lactide) and poly(D-lactide) and promotes the formation of SC. VC 2017 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2017, 134, 45489.en_US
dc.description.sponsorshipJournal of Applied Polymer Scienceen_US
dc.description.urihttps://www.scimagojr.com/journalsearch.php?q=13554&tip=sid&clean=0
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dc.identifier.doihttps://doi.org/10.1002/app.45489
dc.identifier.otherhttps://doi.org/10.1002/app.45489
dc.identifier.urihttps://t.ly/p7ElO
dc.language.isoenen_US
dc.publisherJournal of Applied Polymer Scienceen_US
dc.relation.ispartofseriesJournal of Applied Polymer Science;134, 44
dc.subjectCrystallizationen_US
dc.subjectThermoplasticsen_US
dc.titleEffect of the melt-mixing condition on the physical property of poly(L-lactic acid)/poly(D-lactic acid) blendsen_US
dc.typeArticleen_US

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