Recyclable Thermoset Polymer Composites Based on Degradable and Dynamic Covalent Chemistry

Author(s):  
Evelien Maaskant ◽  
Wouter Post
Author(s):  
Santosh Kumar ◽  
KK Singh

Application of fibre-reinforced polymer composites has increased over the last two decades as compared to conventional materials. This improvement in the application of fibre-reinforced polymer composites is attributed to their unique material properties, such as high strength and stiffness-to-weight ratio, specific modulus and internal vibration damping. However, in most of the industrial applications, composite materials encounter tribological complications. Economic indicators and market dynamics suggested that the market for composite materials is booming and the dominant materials are carbon fibres, glass fibres and thermoset polymer (polyester resin) in resin segments. That is why tribological characteristics are crucial in designing carbon and glass-based fibre-reinforced polymer components. Owing to this importance, the study of tribological behaviour of fibre-reinforced polymer composite materials has expanded significantly. The present study has made an attempt to review the fundamental tribological applications and critical aspects of fibre-reinforced polymers, based on research work, which has been carried out over the past couple of decades. This work has primarily focused on the fibre-reinforced polymer composites, based on carbon and glass fibres with thermosets as the matrix material for probing into tribological behaviours. In the process, the focus has largely been on the most commonly occurring erosive and abrasive mode of wear process.


2020 ◽  
Vol 4 (2) ◽  
pp. 70 ◽  
Author(s):  
Stephen Owuamanam ◽  
Duncan Cree

Disposal of massive amounts of eggshells and seashells from processing industries is a challenge. In recent years, there has been a focus to reuse these waste resources in the production of new thermoplastic and thermoset polymer materials. This paper reviews eggshell and seashell production by country and provides a perspective on the quantity of bio-calcium carbonate that could be produced annually from these wastes. The achievements obtained from the addition of recycled bio-calcium carbonate fillers (uncoated/unmodified) in polymer composites with a focus on tensile strength, flexural strength and impact toughness are discussed. To improve compatibility between calcium carbonate (mineral and bio-based) fillers and polymers, studies on surface modifiers are reviewed. Knowledge gaps and future research and development thoughts are outlined. Developing novel and innovative composites for this waste material could bring additional revenue to egg and seafood processors and at the same time reduce any environmental impact.


2021 ◽  
pp. 1-25
Author(s):  
Khurshid Malik ◽  
Faiz Ahmad ◽  
Ebru Gunister ◽  
Teruyuki Nakato ◽  
Emiko Mouri ◽  
...  

Author(s):  
Justine Beauson ◽  
Bo Madsen ◽  
Chiara Toncelli ◽  
Povl Brøndsted ◽  
Jakob Ilsted Bech

Polymers ◽  
2018 ◽  
Vol 10 (1) ◽  
pp. 82 ◽  
Author(s):  
Alessandro D’Aloia ◽  
Alessandro Proietti ◽  
Hossein Bidsorkhi ◽  
Alessio Tamburrano ◽  
Giovanni De Bellis ◽  
...  

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