Conformational development of polylactide films induced by uniaxial drawing
- Authors
- Oh, Mi Ok; KIM, Seong Hun
- Issue Date
- Jul-2014
- Publisher
- WILEY
- Keywords
- polylactide; uniaxial drawing; strain-induced crystallization; molecular orientation; mechanical properties
- Citation
- POLYMER INTERNATIONAL, v.63, no.7, pp.1247 - 1253
- Indexed
- SCIE
SCOPUS
- Journal Title
- POLYMER INTERNATIONAL
- Volume
- 63
- Number
- 7
- Start Page
- 1247
- End Page
- 1253
- URI
- https://scholarworks.bwise.kr/hanyang/handle/2021.sw.hanyang/159588
- DOI
- 10.1002/pi.4630
- ISSN
- 0959-8103
- Abstract
- Uniaxially drawn polylactide (PLA) films were prepared using various draw ratios (2, 3, 4 and 4.5) at a constant draw rate and temperature. It was confirmed that the conformational structure of the PLA films prepared using the uniaxial drawing process was composed of the alpha'-phase form. The conformational structure deformation of alpha'-phase PLA films, according to the various draw ratios used, was investigated in terms of strain-induced crystalline behavior and molecular orientation analysis. It is of utmost importance to confirm the alpha'-phase structural deformation caused by the uniaxial drawing process because it directly relates to the characteristics of PLA films. The conformational structure deformations of the alpha'-phase, created by uniaxial drawing, led to improved mechanical properties, as evident from mechanical testing and dynamic mechanical analyses results.
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Collections - 서울 공과대학 > 서울 유기나노공학과 > 1. Journal Articles
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