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

被引：10

作者：

Ko, Yong-Il ^{[1
,3
]}

Kim, Byoung-Suhk ^{[2
]}

Bae, Jin-Seok ^{[4
]}

Kim, Yoong-Ahm ^{[3
]}

Kim, Ick-Soo ^{[1
]}

机构：

[1] Shinshu Univ, Fac Text Sci & Technol, Nano Fus Technol Res Grp, Ueda, Nagano 3860015, Japan

[2] Chonbuk Natl Univ, Dept Organ Mat & Fiber Engn, Jeonju Si 561756, Jeollabuk Do, South Korea

[3] Shinshu Univ, Fac Engn, Nagano 3808553, Japan

[4] Kyungpook Natl Univ, Dept Text Syst Engn, Taegu 702701, South Korea

来源：

RSC ADVANCES | 2013年 / 3卷 / 43期

关键词：

LIQUID-CRYSTALLINE ELASTOMERS; POLYMERS; FABRICATION; COMPOSITES;

D O I：

10.1039/c3ra42361a

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

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.

引用

页码：20091 / 20098

页数：8

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