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dc.contributor.author Lim, Hyun Ju -
dc.contributor.author Lee, Seong Jun -
dc.contributor.author Bae, Han Jo -
dc.contributor.author Noh, Seok Kyun -
dc.contributor.author Lee, Yong Rok -
dc.contributor.author Han, Sung Soo -
dc.contributor.author Jeon, Han Yong -
dc.contributor.author Park, Won Ho -
dc.contributor.author Lyoo, Won Seok -
dc.date.available 2017-07-11T07:18:37Z -
dc.date.created 2017-04-10 -
dc.date.issued 2007-12 -
dc.identifier.issn 0021-8995 -
dc.identifier.uri http://hdl.handle.net/20.500.11750/3582 -
dc.description.abstract The effects of tacticities on the characteristics of polyvinyl alcohol) (PVA) nanowebs prepared by an electrospinning technique were investigated. PVA webs composed of uniform nanofibers with syndiotactic dyad (s-dyad) contents of 53.5 and 57.3% were successfully obtained with electrospinning. By changing processing parameters such as the initial polymer concentration, applied voltage, and tip-to-collector distance, we found suitable conditions for forming PVA webs with uniform nanofibers. PVAs of higher s-dyad contents were prepared at a lower solution concentration and at a higher applied voltage because of the easy formation of syndiotactic PVA chain entanglements at a very low polymer concentration. The average diameter of the nanofibers in a PVA web with the higher s-dyad content of 57.3% (ca. 240 nm) was thinner than that of the nanofibers in a PVA web with the lower s-dyad content of 53.5% (ca. 270 nm). In addition, the crystallinity and thermal stability were greatly increased with an increase in the s-dyad content. © 2007 Wiley Periodicals, Inc. -
dc.language English -
dc.publisher John Wiley & Sons Inc. -
dc.title Effects of the tacticities of poly(vinyl alcohol) on the structure and morphology of poly(vinyl alcohol) nanowebs prepared by electrospinning -
dc.type Article -
dc.identifier.doi 10.1002/app.26556 -
dc.identifier.wosid 000250410500055 -
dc.identifier.scopusid 2-s2.0-35948938929 -
dc.identifier.bibliographicCitation Journal of Applied Polymer Science, v.106, no.5, pp.3282 - 3289 -
dc.description.isOpenAccess FALSE -
dc.subject.keywordAuthor poly(vinyl alcohol) -
dc.subject.keywordAuthor morphology -
dc.subject.keywordAuthor electrospinning -
dc.subject.keywordPlus BEHAVIOR -
dc.subject.keywordPlus Concentration (Process) -
dc.subject.keywordPlus Crystallinity -
dc.subject.keywordPlus ELECTRIC FIELD -
dc.subject.keywordPlus Electrospinning -
dc.subject.keywordPlus Fiber Diameter -
dc.subject.keywordPlus FIBERS -
dc.subject.keywordPlus GELATION -
dc.subject.keywordPlus Initial Polymer Concentration -
dc.subject.keywordPlus MOLECULAR-WEIGHT -
dc.subject.keywordPlus Morphology -
dc.subject.keywordPlus Nanofiber -
dc.subject.keywordPlus Nanofibers -
dc.subject.keywordPlus Nanowebs -
dc.subject.keywordPlus Poly(Vinyl Alcohol) -
dc.subject.keywordPlus Polymer Solution -
dc.subject.keywordPlus Polymerization -
dc.subject.keywordPlus Polyvinyl Alcohol -
dc.subject.keywordPlus Polyvinyl Alcohols -
dc.subject.keywordPlus SAPONIFICATION -
dc.subject.keywordPlus Syndiotactic Polymer -
dc.subject.keywordPlus SYNDIOTACTICITY -
dc.subject.keywordPlus Thermal Stability -
dc.subject.keywordPlus Uniform Nanofibers -
dc.subject.keywordPlus VINYL-ACETATE -
dc.citation.endPage 3289 -
dc.citation.number 5 -
dc.citation.startPage 3282 -
dc.citation.title Journal of Applied Polymer Science -
dc.citation.volume 106 -
dc.description.journalRegisteredClass scopus -
dc.relation.journalResearchArea Polymer Science -
dc.relation.journalWebOfScienceCategory Polymer Science -
dc.type.docType Article -
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