Effect of polycaprolactone-co-polylactide copolyesters’ arms in enhancing optical transparent PLA toughness
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- 作者：Chantiga Choochottiros
- 关键词：polycaprolactone ; polylactide ; star ; shaped polyester ; toughness ; optical transparency
- 刊名：Macromolecular Research
- 出版年：2016
- 出版时间：September 2016
- 年：2016
- 卷：24
- 期：9
- 页码：838-846
- 全文大小：1,024 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
Considering enhanced toughness of polylactic acid (PLA) including retaining its optical transparency, star-shaped copolyester was investigated. The star-shaped polycaprolactone-co-polylactide (stPCL-co-PLA) with a different number of arms was synthesized using star-shaped initiators. The thermal properties and crystallinity of stPCL-co-PLA were independent to the number of arms of the polymer. However, number of arms of stPCL-co-PLA affected to crystallinity of PLA in the blend of PLA/stPCL-co-PLA. The glass transition temperature of the blend was decreased with the addition of stPCL-co-PLA plasticizers. The stPCL-co-PLA with 2-arms and 4-arms provided increasing of crystallinity of PLA in the blends but 3-arms resulted in decreasing of crystallinity due to their steric hindrance. Moreover, the toughness of PLA was enhanced with mixed stPCL-co-PLA up to 3 phr; for example, 4-arms of stPCL-co-PLA provided increasing of toughness as 61% compared to neat PLA. The results revealed that an improvement in toughness might be obtained from shear-yielding deformation which was provided from rubbertoughened amorphous plastics accompanied with extensive orientation of the semicrystalline portion. Moreover, it was found that at 3 phr of stPCL-co-PLA, the compound retained its optical transparency comparable to neat PLA.Keywordspolycaprolactonepolylactidestar-shaped polyestertoughnessoptical transparencyReferences(1).R. M. Rasal, A. Janorkar, and D. E. Hirt, Prog. Polym. Sci., 35, 338 (2010).CrossRefGoogle Scholar(2).H. Liu and J. Zhang, J. Polym. Sci., Part B: Polym. Phys., 49, 1051 (2011).CrossRefGoogle Scholar(3).L. V. Labrecque, R. A. Kumar, V. Dave, R. A. Gross, S. P. McCarthy, J. Appl. Polym. Sci., 66, 1507 (1997).CrossRefGoogle Scholar(4).I. Pillin, N. Montrelay, and Y. Grohens, Polymer, 47, 4676 (2006).CrossRefGoogle Scholar(5).Y. Wang and M. A. Hillmyer, J. Polym. Sci., Part A: Polym. Chem., 39, 2755 (2001).CrossRefGoogle Scholar(6).S. 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Niaounakis, in Biopolymers: Applications and Trends, Elsevier Inc, Massachusetts, 2015, pp 101–102.Google ScholarCopyright information© The Polymer Society of Korea and Springer Sciene+Business Media Dordrecht 2016Authors and AffiliationsChantiga Choochottiros1Email author1.Department of Materials Science, Faculty of ScienceKasetsart UniversityBangkokThailand 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/s13233-016-4118-1_Effect of polycaprolactone-co-poly", 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/s13233-016-4118-1_Effect of polycaprolactone-co-poly", 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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