Abstract
Paper industry uses various wet-end chemicals mainly for process control and the production of paper products. Although this industry currently uses various oil-derived chemicals, such as cationic polyacrylamide and poly (aminoamide)-epichlorohydrin, the use of bio-based chemicals derived from lignocelluosic resources has attracted attention since they are renewable and environmentally-friendly. In this review paper, the current status of chemicals used as refining, strength, retention, drainage, formation and sizing additives as well as filler materials in papermaking is discussed. Also, the current application and progress in producing lignocelluloses-derived wet-end chemicals for papermaking is demonstrated. Generally, the main challenge in producing bio-based wet-end chemicals is that naturally occurring lignocelluloses have insufficient properties to be used as wet-end chemicals. Therefore, they should be chemically and/or enzymatically modified so that they could have desired performance.
Keywords: Lignocelluloses, Papermaking, Wet-end, Lignocellulosic resources, Oil-based chemicals, Biorefinery.
Call for Papers in Thematic Issues
Catalytic C-H bond activation as a tool for functionalization of heterocycles
The major topic is the functionalization of heterocycles through catalyzed C-H bond activation. The strategies based on C-H activation not only provide straightforward formation of C-C or C-X bonds but, more importantly, allow for the avoidance of pre-functionalization of one or two of the cross-coupling partners. The beneficial impact of ...read more
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