Issue 43, 2013
From the journal:

RSC Advances

Silicone-coated elastomeric polylactide nanofiber filaments: mechanical properties and shape memory behavior

Yong-Il Ko,ac   Byoung-Suhk Kim,*b   Jin-Seok Bae,d   Yoong-Ahm Kimc  and  Ick-Soo Kim*a  

* Corresponding authors

a Nano Fusion Technology Research Group, Faculty of Textile Science & Technology, Shinshu University, Ueda, Nagano 386-0015, Japan
E-mail: kim@shinshu-u.ac.jp

b Department of Organic Materials & Fiber Engineering, Chonbuk National University, 567 Baekje-daero, Deokjin-gu, Jeonju-si, Jeollabuk-do 561-756, Republic of Korea
E-mail: kbsuhk@jbnu.ac.kr

c Faculty of Engineering, Shinshu University, 4-17-1 Wakasato, Nagano 380-8553, Japan

d Department of Textile System Engineering, Kyungpook National University, 1370 Sangyeok-dong, Buk-gu, Daegu, Korea

Abstract

We report the preparation and shape memory behavior of the poly(L-lactide) (PLLA) nanofiber filaments coated with silicone elastomer (Sylgard 184). The mechanical properties and thermodynamic properties of the electrospun PLLA nanofiber filaments were remarkably enhanced by twisting and annealing. In addition, Sylgard-coating was performed in an effort to toughen the PLLA nanofiber filaments. The combined technique using twisting, annealing, and Sylgard-coating processes could provide a very effective way to produce the PLLA nanofiber filaments with shape memory and enhanced mechanical properties. Scanning electron microscopy (SEM), a universal testing machine (UTM) and dynamic mechanical analysis (DMA) were used to measure the morphologies, mechanical properties, thermodynamic properties of the Sylgard-coated PLLA nanofiber filaments, respectively.

Graphical abstract: Silicone-coated elastomeric polylactide nanofiber filaments: mechanical properties and shape memory behavior

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Article information

DOI
https://doi.org/10.1039/C3RA42361A
Article type
Paper
Submitted
14 May 2013
Accepted
21 Aug 2013
First published
22 Aug 2013

RSC Adv., 2013,3, 20091-20098

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Silicone-coated elastomeric polylactide nanofiber filaments: mechanical properties and shape memory behavior

Y. Ko, B. Kim, J. Bae, Y. Kim and I. Kim, RSC Adv., 2013, 3, 20091 DOI: 10.1039/C3RA42361A

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