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Cellulose nanofiber/bio-polycarbonate composites as a transparent glazing material for carbon sequestration

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Abstract

Climate change, largely attributable to the extensive use of fossil fuels and deforestation, poses a critical global issue. There is a pressing need for innovative and sustainable solutions. This study highlights a significant advancement in materials science: a biomass-sourced transparent composite developed from cellulose nanofibers (CNFs) and isosorbide polycarbonates (ISB-PC). This green glazing material serves as a potential replacement for heavy, easily shattered glass in the construction and automotive industries, exhibiting remarkable thermal properties, light transmittance, and mechanical resilience. Notably, the thermal dimensional stability and transparency of the composite matches that of conventional glass. An integral accomplishment is the development of a multi-layered sheet with a thickness beyond 350 μm. These sheets achieved a light transmittance of 62.0% and coefficient of thermal expansion below 60 ppm K−1 (30–120 °C). Another distinguishing feature of this composite is its potential for carbon sequestration owing to its non-degradability. This study underscores the composite’s potential as an eco-friendly alternative to glass.

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Data are available upon reasonable request.

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Acknowledgments

We extend our gratitude to Prof. Sejin Choi of Pusan National University for calculating the fiber diameters.

Funding

This work was supported by the Hyundai Motor Company (IIT19-31) and the Korea Research Institute of Chemical Technology (KRICT) core project (KS2442-10). D.X.O. acknowledges the support from the National Research Foundation of Korea (NRF) funded by the Ministry of Science, ICT, and Future Planning (2022M3H4A1A03076577). J.P. acknowledges the support from the National Research Foundation of Korea (NRF), funded by the Ministry of Science and ICT (2015M3D3A1A01064926).

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SAP: Conceptualization, validation, data curation, writing, and original draft. HJ: Validation, data curation, and formal analysis. MJ: Formal analysis, writing, reviewing, and editing. SK: Formal analysis, writing, reviewing, and editing. SYH: Formal analysis. CHH: Validation and Funding Acquisition. JMK: Formal analysis. DXO: Data curation, writing, review, editing, and supervision. JP: Conceptualization, visualization, formal analysis, writing—review and editing, and supervision.

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Correspondence to Dongyeop X. Oh or Jeyoung Park.

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Park, SA., Jeon, H., Jang, M. et al. Cellulose nanofiber/bio-polycarbonate composites as a transparent glazing material for carbon sequestration. Cellulose 31, 3699–3715 (2024). https://doi.org/10.1007/s10570-024-05802-2

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  • DOI: https://doi.org/10.1007/s10570-024-05802-2

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