Preparation of Fibrillated Cellulose Nanofiber from Lyocell Fiber and Its Application in Air Filtration.

ABSTRACT: Ambient particulate matter less than 2.5 μm (PM_2.5) can substantially degrade the performance of cars by clogging the air intake filters. The application of nanofibers in air filter paper can achieve dramatic improvement of filtration efficiency with low resistance to air flow. Cellulose nanofibers have gained increasing attention because of their biodegradability and renewability. In this work, the cellulose nanofiber was prepared by Lyocell fiber nanofibrillation via a PFI-type refiner, and the influence of applying a cellulose nanofiber on filter paper was investigated. It was found that the cellulose nanofibers obtained under 1.00 N/mm and 40,000 revolutions were mainly macrofibrils of Lyocell fiber with average fiber diameter of 0.8 µm. For the filter papers with a differen

SUBMITTER: Long J 

PROVIDER: S-EPMC6117698 | biostudies-literature | 2018 Jul

REPOSITORIES: biostudies-literature