Mechanical properties and morphological changes of poly(lactic acid)/polycarbonate/poly(butylene adipate‐<i>co</i>‐terephthalate) blend through reactive processing

Kanzawa, Takeshi; Tokumitsu, Katsuhisa

doi:10.1002/app.33916

Cited by 63 publications

(51 citation statements)

References 19 publications

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“…Scanning electron microscopy (SEM) revealed a good interfacial adhesion between the blend components, which resulted in PLA materials with improved toughness and heat resistance. In addition, a ternary blend consisting of PLA, PC, and poly(butylene adipate-coterephthalate) (PBAT) was fabricated to obtain a novel material with unique properties including high toughness and good biodegradability [37]. Recently, a bio-based vulcanized unsaturated aliphatic polyester elastomer (UPE) was used to fabricate a super-tough thermoplastic blends containing PLA [30,38].…”

Section: Mechanical Propertiesmentioning

confidence: 99%

Properties and medical applications of polylactic acid: A review

Hamad¹,

Kaseem²,

Yang

et al. 2015

Express Polym. Lett.

599

306

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Abstract. Polylactic acid (PLA), one of the well-known biodegradable polyesters, has been studied extensively for tissue engineering and drug delivery systems, and it was also used widely in human medicine. A new method to synthesize PLA (ring-opening polymerization), which allowed the economical production of a high molecular weight PLA polymer, broadened its applications, and this processing would be a potential substitute for petroleum-based products. This review described the principles of the polymerization reactions of PLA and, then, outlined the various materials properties affecting the performance of PLA polymer, such as rheological, mechanical, thermal, and barrier properties as well as the processing technologies which were used to fabricate products based on PLA. In addition, the biodegradation processes of products which were shaped from PLA were discussed and reviewed. The potential applications of PLA in the medical fields, such as tissue engineering, wound management, drugs delivery, and orthopedic devices, were also highlighted.

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Section: Mechanical Propertiesmentioning

confidence: 99%

Properties and medical applications of polylactic acid: A review

Hamad¹,

Kaseem²,

Yang

et al. 2015

Express Polym. Lett.

599

306

View full text Add to dashboard Cite

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“…They also present other disadvantages such as low thermal stability, low impact resistance and brittleness. To obtain polymers that are amenable to modified recycling processes with satisfactory mechanical properties, various aliphatic‐ co ‐aromatic copolyesters have been prepared 3, 4…”

Section: Introductionmentioning

confidence: 99%

Aliphatic–aromatic polyester–polyaniline composites: preparation, characterization, antibacterial activity and conducting properties

2012

Polymer International

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Poly(butylene adipate‐co‐terephthalate) (PBAT) composites containing polyaniline (PANI) were prepared using a melt blending process. Acrylic‐acid‐grafted PBAT (PBAT‐g‐AA) and PANI were used to improve the compatibility and dispersibility of PANI within the PBAT matrix. The composites were characterised morphologically using scanning electron microscopy, chemically using Fourier transform IR spectrometry and 13C solid‐state nuclear magnetic resonance, and optically using UV‐visible spectroscopy. The electrical conductivity of the composites was also evaluated with a resistance tester and a cyclic voltameter. Escherichia coli (BCRC 10239) was chosen as the standard bacterium for determining the antibacterial properties of the composite materials. The anti‐static properties of the composites were also evaluated. The PBAT‐g‐AA/PANI composite showed markedly enhanced antibacterial and anti‐static properties due to the formation of amide bonds by the condensation of the carboxylic acid groups of PBAT‐g‐AA with the amino groups of PANI. The optimal level of PANI was 9 wt%, as excess PANI led to separation of the two organic phases, lowering their compatibility. Copyright © 2012 Society of Chemical Industry

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“…In addition, the height of the tan delta value of 50PLA/50PC blend decreased compared to that of 90PLA/PC blend with the increasing of the PC level. Kazawa et al . have explained this decrement, although PLA and PC immiscible some interactions were observed between two materials so this decreasing can be explained by these interactions.…”

Section: Resultsmentioning

confidence: 96%

A study on carbon fiber reinforced poly(lactic acid)/polycarbonate composites

Hazer

Çoban

Aytaç

2018

J of Applied Polymer Sci

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In this study, the properties of carbon fiber (CF) reinforced poly(lactic acid)/polycarbonate (PLA/PC) composites was investigated. Two compositions of PLA/PC (90/10 and 50/50) blends were used as matrix. Characterization of composites was carried out by differential scanning calorimetry, thermal gravimetric analysis, tensile test, dynamic mechanical analysis, limiting oxygen index (LOI), scanning electron microscope, and heat release rate (HRR). The tensile strength values of 90PLA/10PC and 50PLA/50PC blends were improved by the addition of CF. The highest tensile strength value was observed at 50PLA50PC30CF composite as 114.6 MPa. Storage modulus values of CF reinforced PLA/PC composites enhanced with increasing CF loading. The highest LOI value was obtained for 50PLA50PC30CF composite. It was observed that there is a significant decrease in peak of HRR (pHRR) and total heat release value for all of the composites with increasing CF loading. It was concluded that CF reinforced 50PLA/50PC composite has better mechanical and thermal properties than 90PLA/10PC composite. © 2018 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2018, 135, 46881.

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Mechanical properties and morphological changes of poly(lactic acid)/polycarbonate/poly(butylene adipate‐co‐terephthalate) blend through reactive processing

Cited by 63 publications

References 19 publications

Properties and medical applications of polylactic acid: A review

Properties and medical applications of polylactic acid: A review

Aliphatic–aromatic polyester–polyaniline composites: preparation, characterization, antibacterial activity and conducting properties

A study on carbon fiber reinforced poly(lactic acid)/polycarbonate composites

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