Comparative analysis of mechanical properties and degradation behavior in PLA composites with TCP, ZnO, MgO, and ZrO <sub>2</sub>

The composites of polylactic acid (PLA) exhibit improved mechanical strength, biocompatibility, antimicrobial properties, and degradation, making these suitable for biomedical applications. This investigation compares the effect of various reinforcements such as tricalcium phosphate (TCP), magnesium oxide (MgO), zinc oxide (ZnO), and zirconium oxide (ZrO 2 ) on PLA. Various weight fractions of TCP, MgO, ZnO, and ZrO 2 were used to fabricate the PLA/TCP, PLA/MgO, PLA/ZnO, and PLA/ZrO 2 composites and compared with pure PLA. PLA/TCP, PLA/MgO, PLA/ZnO, and PLA/ZrO 2 nanocomposites exhibit enhanced tensile strength with a significant change in ductility. Further, all the composites exhibit enhanced degradation in terms of weight loss in the phosphate-buffered saline (PBS) solution. The failure analysis of deformed specimens under tensile load confirmed the improved load-carrying capabilities of PLA/ZnO as compared to other composites.

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Publication Details

Journal
Journal of Thermoplastic Composite Materials
Published
2025-11-12
DOI
https://doi.org/10.1177/08927057251397378
Primary Topic
biodegradable polymer synthesis and properties
Type
article
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article

Comparative analysis of mechanical properties and degradation behavior in PLA composites with TCP, ZnO, MgO, and ZrO 2

Nafisa Gull, Aboulbaba Eladeb, Shahzad Maqsood Khan, Sami Ullah Khan et al.
Journal of Thermoplastic Composite Materials
biodegradable polymer synthesis and properties
article

Comparative analysis of mechanical properties and degradation behavior in PLA composites with TCP, ZnO, MgO, and ZrO 2

Nafisa Gull, Aboulbaba Eladeb, Shahzad Maqsood Khan, Sami Ullah Khan, Muzamil Hussain, Lioua Kolsi, Kaouther Ghachem, Muhammad Shafiq
article en

Abstract

The composites of polylactic acid (PLA) exhibit improved mechanical strength, biocompatibility, antimicrobial properties, and degradation, making these suitable for biomedical applications. This investigation compares the effect of various reinforcements such as tricalcium phosphate (TCP), magnesium oxide (MgO), zinc oxide (ZnO), and zirconium oxide (ZrO 2 ) on PLA. Various weight fractions of TCP, MgO, ZnO, and ZrO 2 were used to fabricate the PLA/TCP, PLA/MgO, PLA/ZnO, and PLA/ZrO 2 composites and compared with pure PLA. PLA/TCP, PLA/MgO, PLA/ZnO, and PLA/ZrO 2 nanocomposites exhibit enhanced tensile strength with a significant change in ductility. Further, all the composites exhibit enhanced degradation in terms of weight loss in the phosphate-buffered saline (PBS) solution. The failure analysis of deformed specimens under tensile load confirmed the improved load-carrying capabilities of PLA/ZnO as compared to other composites.

Journal of Thermoplastic Composite Materials
Princess Nourah bint Abdulrahman University (SA), Northern Border University (SA), University of the Punjab (PK), Namal University (PK), University of Ha'il (SA)
Openalex Percentile: Top 77%
biodegradable polymer synthesis and properties
DOISourceOpenAlex
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