| 초록 |
Polypropylene (PP), a thermoplastic polymer with durability, impact resistance, and heat resistance, is currently used in many applications such as automobile elements as a form of composite with glass fibers. Recently, the importance of reducing weight of, especially, electric vehicles and recycling of automobile materials have become important issues. The introduction of cellulose nanofibrils (CNF) as a replacement for glass fibers in PP composites is drawing attention to address both issues. Much efforts have been made to improve the dispersion and thermal oxidation of CNF during melt mixing processes at high temperatures of ~ 200℃. In this study, CNF was surface-modified with inorganic materials to improve dispersion and suppress thermal oxidation. Mechanical properties and recyclability of the composite will be presented. |
