The effect of the degree of fibrillation and addition method of cellulose nanofibrils (CNFs) into the wet end of the papermaking process on the drainage, filler retention, strength and optical properties of paper was systematic investigated, and it was found that it was important to defibrillate fibers to an optimum degree for a given application rather than to the maximum degree.
Significance and Impact
Understanding the effect of using cellulose nanofibrils (CNFs) in the wet end of the papermaking process on the drainage paper properties has important scientific significance for high-value utilization of nanocellulose in the papermaking industry.
The correlation between the drainage characteristics and strength enhancement of paper was investigated when utilizing cellulose nanofibrils.
Paper properties were evaluated in accordance with the ISO standard methods by One-way analysis of variance (ANOVA).