Dynamic mechanical properties of elastomeric nanoparticle composites

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• 作者：Sungwon Ma ; Yonathan Thio
• 关键词：nanofiber ; DMA ; cold vulcanization ; crosslinking density ; free volume
• 刊名：Macromolecular Research
• 出版年：2016
• 出版时间：October 2016
• 年：2016
• 卷：24
• 期：10
• 页码：915-923
• 全文大小：1,612 KB
• 刊物类别：Chemistry and Materials Science
• 刊物主题：Chemistry
  Physical Chemistry
  Polymer Sciences
  Characterization and Evaluation of Materials
  Soft and Granular Matter, Complex Fluids and Microfluidics
  Nanochemistry
  Nanotec
  
• 出版者：The Polymer Society of Korea, co-published with Springer
• ISSN：2092-7673
• 卷排序：24

文摘

The blends of two crosslinked polystyrene-b-polyisoprene (PS-b-PI) copolymers with homopolystyrene were investigated for their dynamic mechanical properties. Elastomeric block copolymer nanofibers utilized as filler were prepared by employing the phase separation property of a polystyrene-b-polyisoprene copolymer, which was then exposed to a crosslinking agent (S₂Cl₂) for cold vulcanization. The crosslinking density and morphology of nanofillers resulted in three elastomeric block copolymer nanofillers: fully cross-linked nanofiber (FCF), fully crosslinked multi-junctioned nanofiber (FCM), and partially crosslinked multi-junctioned sample (PCM). Uncrosslinked PS-PI block copolymer (UBC) was also studied as a comparison. Crosslinking density was calculated by measuring the change in intensity of the double bond peaks using FTIR spectroscopy. Thermo-mechanical properties and morphology of the blends were characterized by dynamic mechanical analysis (DMA) and scanning electron microscope (SEM). DMA results show that modulus increases with increasing filler loading in the terminal region for both PS/FCM and PS/FCF systems and the increasing rate is related to crosslinking density.KeywordsnanofiberDMAcold vulcanizationcrosslinking densityfree volumeReferences(1).M. Cadek, J. N. Coleman, V. Barron, K. Hedicke, and W. J. Blau, Appl. Phys. Lett., 81, 5123 (2002).CrossRefGoogle Scholar(2).J. N. Coleman, U. Khan, and Y. K. Gun'ko, Adv. Mater., 18, 689 (2006).CrossRefGoogle Scholar(3).P. C. LeBaron, Z. Wang, and T. J. Pinnavaia, Appl. Clay Sci., 15, 11 (1999).CrossRefGoogle Scholar(4).F. Croce, G. B. Appetecchi, L. Persi, and B. Scrosati, Nature, 394, 456 (1998).CrossRefGoogle Scholar(5).R. Gangopadhyay and A. De, Chem. Mater., 12, 608 (2000).CrossRefGoogle Scholar(6).L. L. Beecroft and C. K. Ober, Chem. 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J., 9, 965 (1973).CrossRefGoogle ScholarCopyright information© The Polymer Society of Korea and Springer Sciene+Business Media Dordrecht 2016Authors and AffiliationsSungwon Ma1Email authorYonathan Thio11.School of Polymer, Textile and Fiber EngineeringGeorgia Institute of TechnologyAtlantaUSA About this article CrossMark Print ISSN 1598-5032 Online ISSN 2092-7673 Publisher Name The Polymer Society of Korea About this journal Reprints and Permissions Article actions function trackAddToCart() { var buyBoxPixel = new webtrekkV3({ trackDomain: "springergmbh01.webtrekk.net", trackId: "196033507532344", domain: "link.springer.com", contentId: "springer_com.buybox", product: "10.1007/s13233-016-4121-6_Dynamic mechanical properties of e", productStatus: "add", productCategory : { 1 : "ppv" }, customEcommerceParameter : { 9 : "link.springer.com" } }); buyBoxPixel.sendinfo(); } function trackSubscription() { var subscription = new webtrekkV3({ trackDomain: "springergmbh01.webtrekk.net", trackId: "196033507532344", domain: "link.springer.com", contentId: "springer_com.buybox" }); subscription.sendinfo({linkId: "inst. subscription info"}); } window.addEventListener("load", function(event) { var viewPage = new webtrekkV3({ trackDomain: "springergmbh01.webtrekk.net", trackId: "196033507532344", domain: "link.springer.com", contentId: "SL-article", product: "10.1007/s13233-016-4121-6_Dynamic mechanical properties of e", productStatus: "view", productCategory : { 1 : "ppv" }, customEcommerceParameter : { 9 : "link.springer.com" } }); viewPage.sendinfo(); }); Log in to check your access to this article Buy (PDF)EUR 34,95 Unlimited access to full article Instant download (PDF) Price includes local sales tax if applicable Find out about institutional subscriptions Export citation .RIS Papers Reference Manager RefWorks Zotero .ENW EndNote .BIB BibTeX JabRef Mendeley Share article Email Facebook Twitter LinkedIn Cookies We use cookies to improve your experience with our site. 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