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J. Korean Ceram. Soc. > Volume 61(3); 2024 > Article
Journal of the Korean Ceramic Society 2024;61(3): 445-457.
doi: https://doi.org/10.1007/s43207-024-00367-z
Optimizing compounding ratios of polycarbonate and recycled polyethylene terephthalate for electronic device covers: a study on sustainable materials
Young Wan Kim1,2, Gnanaprakasam Janani3, Joon Young Kim3,4, Dae Jun Moon3,4, Tae-Hoon Kim2, Hyunjung Lee3, Uk Sim3,4,5
1Engineering Material Development Center (LG Chem), Iksan, Jeollabuk-Do 54587, Republic of Korea
2Department of Materials Science and Engineering, Chonnam National University, Gwangju 61186, Republic of Korea
3Hydrogen Energy Technology Laboratory, Korea Institute of Energy Technology (KENTECH), Naju, Jeollanamdo 58330, Republic of Korea
4Research Institute, NEEL Sciences, INC., Naju, Republic of Korea
5Center for Energy Storage System, Chonnam National University, Gwangju 61186, Republic of Korea
Correspondence  Tae-Hoon Kim ,Email: thk@jnu.ac.kr
Hyunjung Lee ,Email: hjunglee@kentech.ac.kr
Uk Sim ,Email: usim@kentech.ac.kr
Received: September 20, 2023; Revised: December 18, 2023   Accepted: January 5, 2024.  Published online: February 20, 2024.
Plastic pollution poses a serious risk globally and is having a major adverse impact on nearly every marine and freshwater ecosystem on the planet. The plastic trash collected from the marine environment, can harm marine ecosystems and humans. While there are several challenges to manufacture products from recycled marine plastics, including a high price and consumer demand for high-quality recycled materials, efforts, and research to recycle marine plastics are critical. One promising application of recycled marine plastics is blending recycled polyethylene terephthalate (re-PET) with other polymers, such as polycarbonate (PC), to reproduce desired physical properties in composites. In this study, we investigated the optimal ratio of PC and ocean-bound plastic (OBP), recycled PET (re-PET) as a composite material suitable for sustainable electronic device covers, and analyzed its physicochemical properties. The results showed that PC/re-PET5 composites containing 5% re-PET recycled from OBP had the most suitable properties for electronic device covers. Developing composite materials using recycled plastics represents a promising stride towards advancing the principles of a circular economy and fostering sustainable product design.
Key words: Recycled-polyethylene terephthalate (re-PET)  · Ocean-bound plastic (OBP)  · Polycarbonate (PC)  · Composites  · Sustainable electronic device covers
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