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Molecules 2017, 22(8), 1325; doi:10.3390/molecules22081325

Research on a Nonwoven Fabric Made from Multi-Block Biodegradable Copolymer Based on l-Lactide, Glycolide, and Trimethylene Carbonate with Shape Memory

Department of Material and Commodity Sciences and Textile Metrology, Lodz University of Technology, Lodz 90-924, Poland
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Received: 18 July 2017 / Revised: 1 August 2017 / Accepted: 8 August 2017 / Published: 10 August 2017
(This article belongs to the Special Issue Biomedical Applications of Polylactide (PLA) and its Copolymers)
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Abstract

The presented paper concerns scientific research on processing a poly(lactide-co-glycolide-co-trimethylene carbonate) copolymer (PLLAGLTMC) with thermally induced shape memory and a transition temperature around human body temperature. The material in the literature called terpolymer was used to produce smart, nonwoven fabric with the melt blowing technique. Bioresorbable and biocompatible terpolymers with shape memory have been investigated for its medical applications, such as cardiovascular stents. There are several research studies on shape memory in polymers, but this phenomenon has not been widely studied in textile products made from shape memory polymers (SMPs). The current research aims to explore the characteristics of the PLLAGLTMC nonwoven fabric in detail and the mechanism of its shape memory behavior. In this study, the nonwoven fabric was subjected to thermo-mechanical, morphological, and shape memory analysis. The thermo-mechanical and structural properties were investigated by means of differential scanning calorimetry, dynamic mechanical analysis, scanning electron microscopic examination, and mercury porosimetry measurements. Eventually, the gathered results confirmed that the nonwoven fabric possessed characteristics that classified it as a smart material with potential applications in medicine. View Full-Text
Keywords: shape memory polymers (SMPs); multi-block polylactide copolymer; terpolymer; melt-blown; smart nonwoven fabric; scaffold shape memory polymers (SMPs); multi-block polylactide copolymer; terpolymer; melt-blown; smart nonwoven fabric; scaffold
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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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Walczak, J.; Chrzanowski, M.; Krucińska, I. Research on a Nonwoven Fabric Made from Multi-Block Biodegradable Copolymer Based on l-Lactide, Glycolide, and Trimethylene Carbonate with Shape Memory. Molecules 2017, 22, 1325.

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