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Effects of Polybutylene Succinate Content on the Rheological Properties of Polylactic Acid/Polybutylene Succinate Blends and the Characteristics of Their Fibers

Title
Effects of Polybutylene Succinate Content on the Rheological Properties of Polylactic Acid/Polybutylene Succinate Blends and the Characteristics of Their Fibers
Author(s)
Choi, Ik SungKim, Young KwangHong, Seong HuiSeo, Hye-JinHwang, Sung-HoKim, JongwonLim, Sang Kyoo
Issued Date
2024-02
Citation
Materials, v.17, no.3
Type
Article
Author Keywords
rheologymechanical propertypolybutylene succinatepolylactic acid
Keywords
POLY(BUTYLENE SUCCINATE)POLY(LACTIC ACID)IMPACT
ISSN
1996-1944
Abstract
Polylactic acid (PLA) and polybutylene succinate (PBS) are gaining prominence as environmentally friendly alternatives to petroleum-based polymers due to their inherent biodegradability. For their textile applications, this research is focused on exploring the effects of PBS content on the rheological properties of PLA/PBS blends and the characteristics of PLA/PBS blend fibers. PLA/PBS blends and fibers with varying PBS contents (0 to 10 wt.%) were prepared using melt-blending and spinning methods. Uniform morphologies of the PLA/PBS blends indicated that PBS was compatible with PLA, except at 10% PBS content, where phase separation occurred. The introduction of PBS reduced the complex viscosity of the blends, influencing fiber properties. Notably, PLA/PBS fibers with 7% PBS exhibited improved crystallinity, orientation factor, and elasticity (~16.58%), with a similar tensile strength to PLA fiber (~3.58 MPa). The results suggest that an optimal amount of PBS enhances alignment along the drawing direction and improves the molecular motion in PLA/PBS blend fiber. This study highlights the potential of strategically blending PBS to improve PLA fiber characteristics, promising advancement in textile applications. © 2024 by the authors. Licensee MDPI, Basel, Switzerland.
URI
http://hdl.handle.net/20.500.11750/47764
DOI
10.3390/ma17030662
Publisher
MDPI
Related Researcher
Files in This Item:
(32) materials_17_00662.pdf

(32) materials_17_00662.pdf

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Appears in Collections:
Division of Energy & Environmental Technology 1. Journal Articles

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