Emerging application of biochar as a renewable and superior filler in polymer composites

Biochar is conventionally and widely used for soil amendment or as an adsorbent for water treatment. Nevertheless, the need for transition to renewable materials has resulted in an expansion of biochar for use as a filler for polymer composites. The aim is to enhance the physical, chemical, mechanic...

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Bibliographic Details
Published in:RSC advances 2022-05, Vol.12 (22), p.13938-13949
Main Authors: Tengku Yasim-Anuar, Tengku Arisyah, Yee-Foong, Lawrence Ng, Lawal, Abubakar Abdullahi, Ahmad Farid, Mohammed Abdillah, Mohd Yusuf, Mohd Zulkhairi, Hassan, Mohd Ali, Ariffin, Hidayah
Format: Article
Language:English
Subjects:
Chemistry
Crystallization
Electrical resistivity
Fillers
Flammability
Mechanical properties
Polymer matrix composites
Polymers
Renewable resources
Rheological properties
Water treatment
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Summary:Biochar is conventionally and widely used for soil amendment or as an adsorbent for water treatment. Nevertheless, the need for transition to renewable materials has resulted in an expansion of biochar for use as a filler for polymer composites. The aim is to enhance the physical, chemical, mechanical and rheological properties of the polymer composite. The reinforcement of biochar into a polymer matrix however is still new, and limited reports are focusing on the effects of biochar towards polymer composite properties. Hence, this review highlights the unique properties of biochar and its effect on the crystallization, thermal, flammability, electrical conductivity, and mechanical properties of polymer composites. This review does not solely summarize recent studies on biocharpolymer-based composites, but also offers insights into a new direction of biochar as a renewable and superior polymer filler in the future. Biochar is a low-cost carbon material with excellent thermal characteristics. Despite having remarkably similar properties to graphene and carbon nanotubes, it is rarely used as a polymer filler.
ISSN:2046-2069
2046-2069
DOI:10.1039/d2ra01897g