Article
Biochemistry & Molecular Biology
Shallal Alshammari, Amir Ameli
Summary: Polylactic acid (PLA) was melt-blended with a new type of organosolv lignin, Bioleum (BL), to create biocomposites with high BL loadings. The addition of two plasticizers, polyethylene glycol (PEG) and triethyl citrate (TEC), was also used. Characterization tests showed that BL was melt-flowable and the resulting biocomposites had higher tensile strength compared to previous studies. Increasing BL content led to larger BL domain sizes, which decreased strength and ductility. However, the introduction of PEG significantly improved ductility, with PLA_BL20_PEG5 showing over 9 times increase in elongation at break compared to neat PLA and twice the toughness.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2023)
Article
Biochemistry & Molecular Biology
Manoj Kumar Dhal, Kshitij Madhu, Arnab Banerjee, Varatharajan Prasannavenkadesan, Amit Kumar, Vimal Katiyar
Summary: The major drawback of petroleum-based polymer products is pollution, but biodegradable polymers and biocomposites have the potential to replace them in specific applications. In this study, sawdust reinforced PLA/PCL biocomposites were developed and evaluated. The results showed that the addition of sawdust significantly affected the mechanical and thermal properties of the composites, with the best performance observed in the composite with 30% sawdust concentration.
INTERNATIONAL JOURNAL OF BIOLOGICAL MACROMOLECULES
(2023)
Article
Biotechnology & Applied Microbiology
Esakkiammal Sudha Esakkimuthu, David DeVallance, Ievgen Pylypchuk, Adrian Moreno, Mika H. Sipponen
Summary: This study aimed to improve the compatibility and processability of lignin with poly(lactic acid) (PLA) through etherification. The results showed that low lignin contents (1%-10%) were favorable for improving the mechanical and functional properties of PLA composites. Unmodified lignin exhibited antioxidant activity, and the addition of 5%-10% modified lignin improved the thermal stability of the materials. However, low lignin contents decreased the cold crystallization temperature of PLA. The composites of KL and OPKL with PLA showed good stability in migration tests.
FRONTIERS IN BIOENGINEERING AND BIOTECHNOLOGY
(2022)
Article
Materials Science, Composites
Jayven Chee Chuan Yeo, Ting Ting Lin, Junqiang Justin Koh, Liang Wei Low, Beng Hoon Tan, Zibiao Li, Chaobin He
Summary: The study revealed that incorporating 10 wt% PHB-di-rub significantly reduced crystallization half-times and folding surface energy of PLA, enhancing the polymer chain folding speed and super-nucleating capability. This finding could provide a valuable framework for the future development of high-performance PLA/PHB-based copolymer biocomposites with total green physiognomies.
COMPOSITES COMMUNICATIONS
(2021)
Article
Materials Science, Composites
Nor Helya Iman Kamaludin, Hanafi Ismail, Arjulizan Rusli, Sung Ting Sam
Summary: In this study, tannic acid-treated chitosan-filled polylactic acid biocomposites were prepared and characterized. The addition of tannic acid and chitosan improved the physical properties of the materials, promoted crystallization, and enhanced thermal stability.
POLYMER COMPOSITES
(2022)
Review
Chemistry, Physical
Lalit Ranakoti, Brijesh Gangil, Sandip Kumar Mishra, Tej Singh, Shubham Sharma, R. A. Ilyas, Samah El-Khatib
Summary: This article discusses the physical and mechanical properties of PLA, explores the fabrication processes of PLA-based composites, and presents various applications of PLA.
Article
Polymer Science
Imran Oral, Suheyla Kocaman, Gulnare Ahmetli
Summary: A new bio-based epoxy resin (BER) was produced through esterification reaction and modified with epoxy resin (ER). Biocomposites were prepared using untreated and modified coconut shell powder (CSP, MCSP) mixed with MER, showing that the MCSP biocomposites had higher physical properties compared to the original materials.
JOURNAL OF APPLIED POLYMER SCIENCE
(2022)
Article
Chemistry, Physical
Sofia Jurado-Contreras, Francisco J. Navas-Martos, Jose A. Rodriguez-Liebana, M. Dolores La Rubia
Summary: Polylactic acid (PLA) is a biomaterial widely used as an alternative to petroleum-based polymeric matrices in plastic components. PLA-based biocomposites reinforced with lignocellulosic waste were studied for their properties and resistance to degradation. The incorporation of olive pits in the biocomposites promoted the degradation of PLA, resulting in decreased strength and increased moduli.
Article
Polymer Science
Solechan Solechan, Agus Suprihanto, Susilo Adi Widyanto, Joko Triyono, Deni Fajar Fitriyana, Januar Parlaungan Siregar, Tezara Cionita
Summary: In this study, biocomposite scaffolds were produced using a mixture of polylactic acid (PLA), polycaprolactone (PCL), and nano-hydroxyapatite (nHA) through cold isostatic pressing and subsequent sintering. The addition of nHA improved the mechanical properties of the scaffolds, but also resulted in increased porosity. Biocomposites with 10% nHA showed the highest density, porosity, flexural strength, and tensile strength.
Article
Agricultural Engineering
Matilda Johansson, Mikael Skrifvars, Nawar Kadi, Hom Nath Dhakal
Summary: The aim of this research is to investigate if a low-cost by-product could be used as a component in a composite matrix material in the automotive industry to reduce the final weight and increase the non-petrochemical material usage of composite material without compromising the thermal and mechanical properties demanded. By chemically modifying lignin, the impact strength, thermal stability, and moisture repellence behavior of the composite material were improved significantly. The better interfacial compatibility between lignin and polylactic acid matrix was the key factor contributing to the improved properties.
INDUSTRIAL CROPS AND PRODUCTS
(2023)
Article
Energy & Fuels
C. Balaji Ayyanar, K. Marimuthu, B. Gayathri, C. Bharathiraj, S. K. Pradeep Mohan, Praveenkumara Jagadeesh, Sanjay Mavinkere Rangappa, Anish Khan, Suchart Siengchin
Summary: The innovative use of Samanea Saman flowers as fillers in PLA biocomposites significantly improved mechanical properties, such as strength and hardness. Analysis also showed that the lower thermal stability of SSF fillers caused a slight shift in the degradation temperature of the PLA biocomposite.
BIOMASS CONVERSION AND BIOREFINERY
(2022)
Article
Polymer Science
Sofia Jurado-Contreras, Francisco J. Navas-Martos, Angeles Garcia-Ruiz, Jose A. Rodriguez-Liebana, M. Dolores La Rubia
Summary: The objective of this study is to enhance the mechanical properties of polylactic acid (PLA) by incorporating cellulose nanocrystals (CNC) obtained from olive tree pruning (OTP) waste. The introduction of CNC into PLA matrix significantly improved the mechanical, water absorption, thermal, and morphological properties of the composite, with a notable increase in tensile stress and Young's modulus by 87% and 58%, respectively.
Article
Materials Science, Composites
Gaoyuan Ye, Zelong Li, Boyuan Chen, Xin Bai, Xu Chen, Yingcheng Hu
Summary: In this study, PLA/PCL/MCC composites and PLA/PCL/MCC composite compatibilized by MA copolymer were prepared. The mechanical results showed that the strength and break elongation of the composites were improved after compatibilization. DSC analysis revealed that the crystallinity of the composites increased with MCC content. The 3D printed PLA/PLAma/PCL/5MCC composite exhibited good biocompatibility and adhesion with MCF-7 cells.
POLYMER COMPOSITES
(2022)
Article
Energy & Fuels
Sandip Kumar Mishra, Sanjeev Dahiya, Brijesh Gangil, Lalit Ranakoti, Tej Singh, Shubham Sharma, Pawinee Boonyasopon, Sanjay Mavinkere Rangappa, Suchart Siengchin
Summary: Biocomposites are considered to be an almost perfect alternative to conventional nonbiodegradable polymers, and the use of natural fillers further reduces the cost. In this study, a biocomposite was prepared using walnut shell as a filler material and polylactic acid as a matrix. The mechanical and wear behavior of the composites were characterized, and the results showed improvements in flexural strength, impact energy, and Vickers hardness with walnut shell reinforcement. The biodegradability of the composites was also enhanced, and an artificial neural network model was developed to predict the material properties.
BIOMASS CONVERSION AND BIOREFINERY
(2022)
Article
Engineering, Biomedical
Cyron L. Custodio, Phoebeliza Jane M. Bronola, Sharyjel R. Cayabyab, Vivian U. Lagura, Josefina R. Celorico, Blessie A. Basilia
Summary: Incorporating HAp with PLA in 3D printed composite materials showed improved mechanical performance, with enhanced tensile strength and stiffness observed. Bioactivity tests demonstrated that HAp particles acted as nucleation sites for the deposition of apatite species in simulated body fluid.
INTERNATIONAL JOURNAL OF BIOPRINTING
(2021)
Article
Materials Science, Composites
Koay Seong Chun, Salmah Husseinsyah
JOURNAL OF THERMOPLASTIC COMPOSITE MATERIALS
(2017)
Article
Materials Science, Composites
Koay Seong Chun, Salmah Husseinsyah, Chan Ming Yeng
JOURNAL OF THERMOPLASTIC COMPOSITE MATERIALS
(2017)
Article
Polymer Science
Koay Seong Chun, Salmah Husseinsyah, Hakimah Osman
POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING
(2015)
Article
Materials Science, Composites
Koay Seong Chun, Salmah Husseinsyah
JOURNAL OF THERMOPLASTIC COMPOSITE MATERIALS
(2016)
Article
Materials Science, Composites
Koay Seong Chun, Salmah Husseinsyah, Chan Ming Yeng
JOURNAL OF THERMOPLASTIC COMPOSITE MATERIALS
(2016)
Article
Materials Science, Composites
Koay Seong Chun, Salmah Husseinsyah, Nurul Fatin Syazwani
JOURNAL OF THERMOPLASTIC COMPOSITE MATERIALS
(2016)
Article
Polymer Science
Koay Seong Chun, Salmah Husseinsyah, Chan Ming Yeng
Article
Materials Science, Composites
Koay Seong Chun, Salmah Husseinsyah, Hakimah Osman
JOURNAL OF THERMOPLASTIC COMPOSITE MATERIALS
(2015)
Article
Materials Science, Composites
Koay Seong Chun, Salmah Husseinsyah
JOURNAL OF THERMOPLASTIC COMPOSITE MATERIALS
(2014)
Article
Engineering, Multidisciplinary
Koay S. Chun, Chan M. Yeng, Salmah Husseinsyah, Ming M. Pang, Azimah Ismail
JOURNAL OF ENGINEERING SCIENCE AND TECHNOLOGY
(2017)
Article
Multidisciplinary Sciences
Salmah Husseinsyah, Koay Seong Chun, Chan Ming Yeng, Azimah Ismail
Proceedings Paper
Materials Science, Multidisciplinary
Koay Seong Chun, Salmah Husseinsyah, Hakimah Osman
MULTI-FUNCTIONAL MATERIALS AND STRUCTURES IV
(2013)
Article
Materials Science, Paper & Wood
Koay Seong Chun, Salmah Husseinsyah, Hakimah Osman
