Chapter 8 - Nanocelluloses as Innovative Polymers for Membrane Applications

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Abstract

Science and technology now focus on renewable raw materials and more environmentally friendly and sustainable resources. Over the last decade, a growing number of research groups worldwide have reported the preparation, processing, and utilization of cellulose with widths of the fibrils or crystals in the nanometer range. It has been shown that the nanocellulose present in plant sources can be liberated by high-pressure homogenizer procedures and acid treatment techniques. The ability to form strong, transparent, and porous dense films makes nanocellulose an attractive material for fuel cell, wound dressing, gas barrier, and water purification applications. The use of nanocellulose in membrane technology is an emerging area in chemical engineering, biology, physics, and medicine. In this context, it has been essential to increase the current knowledge of organic and polymer chemistries in application-oriented work in the field of cellulose. The aim of this chapter is to demonstrate the current state of development in nanocellulose-based membranes for various applications.

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