Optically transparent composites reinforced with plant fiber-based nanofibers

Applied Physics A Solids and Surfaces - Tập 81 Số 6 - Trang 1109-1112 - 2005
Iwamoto, S.1, Nakagaito, A.N.1, Yano, H.1, Nogi, M.2
1Research Institute for Sustainable Humanosphere, Kyoto University, Kyoto, Japan
2International Innovation Center, Kyoto University, Kyoto, Japan

Tóm tắt

The fibrillation of pulp fiber was attempted by two methods, a high-pressure homogenizer treatment and a grinder treatment. The grinder treatment resulted in the successful fibrillation of wood pulp fibers into nanofibers. The nanofibers demonstrate promising characteristics as reinforcement material for optically transparent composites. Due to the size effect, the nanofiber-reinforced composite retains the transparency of the matrix resin even at high fiber content such as 70 wt %. Since the nanofiber is an aggregate of semi-crystalline extended cellulose chains, its addition also contributes to a significant improvement in the thermal expansion properties of plastics while maintaining its ease of bending. Cellulose nanofibers have tremendous potential as a future resource since they are produced in a sustainable manner by plants, one of the most abundant organic resources on earth.

Tài liệu tham khảo

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