Abstract
Recent developments within the topic of biomaterials has taken hold of researchers due to the mounting concern of current environmental pollution as well as scarcity resources. Amongst all compatible biomaterials, polycaprolactone (PCL) is deemed to be a great potential biomaterial, especially to the tissue engineering sector, due to its advantages, including its biocompatibility and low bioactivity exhibition. The commercialization of PCL is deemed as infant technology despite of all its advantages. This contributed to the disadvantages of PCL, including expensive, toxic, and complex. Therefore, the shift towards the utilization of PCL as an alternative biomaterial in the development of biocomposites has been exponentially increased in recent years. PCL-based biocomposites are unique and versatile technology equipped with several importance features. In addition, the understanding on the properties of PCL and its blend is vital as it is influenced by the application of biocomposites. The superior characteristics of PCL-based green and hybrid biocomposites has expanded their applications, such as in the biomedical field, as well as in tissue engineering and medical implants. Thus, this review is aimed to critically discuss the characteristics of PCL-based biocomposites, which cover each mechanical and thermal properties and their importance towards several applications. The emergence of nanomaterials as reinforcement agent in PCL-based biocomposites was also a tackled issue within this review. On the whole, recent developments of PCL as a potential biomaterial in recent applications is reviewed.
Highlights
DueDue to the increasing production production of waste every day, landfill spaces have become more scarce and have a reduced capacity to intake more waste [1]
The results showed that the mechanical properties of the biocomposite mats were improved and that the surface hydrophilicity was increased in comparison with neat PCL mats
The aim of this review is to investigate the potential of PCL biocomposites reinforced with natural fibres to enhance the quality of the produced biocomposites
Summary
Due to the increasing production production of waste every day, landfill spaces have become more scarce and have a reduced capacity to intake more waste [1]. (2020) [17] has synthesized bio-based PCL from soybean oil-derived polyol via ring-opening polymerization He found that the soybean-based PCL containing higher PCL molar ratio has poorer biodegradability but higher hydrophobicity and thermal characteristics compared to the others. In terms of its biodegradability, permeability, and inability to establish an acidic environment, PCL is a better polymer than PLA or PGA in terms of possible biomedical uses [21]. Those limitations of PCL can potentially be overcome by the use of PCL-based biocomposites. This review intends to discuss the effect on mechanical and thermal properties of PCL-based biocomposites. The potential application of blends of PCL with other materials is investigated
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